mercurial-scm/hg-stable: mercurial/cext/revlog.c annotate

annotate mercurial/cext/revlog.c @ 45173:2bc5d1531235

revlog: fix excessive decref on tuple creation failure in parse_index2() Since Py_BuildValue() steals the ownership of "N" arguments, these objects would already be freed if Py_BuildValue() returned NULL. https://github.com/python/cpython/blob/2.7/Python/modsupport.c#L292

author	Yuya Nishihara <yuya@tcha.org>
date	Sun, 19 Jul 2020 17:24:16 +0900
parents	9719e118e4af
children	211063648b29

rev	line source
6389 0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	1 /*
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	2 parsers.c - efficient content parsing
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	3
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	4 Copyright 2008 Matt Mackall <mpm@selenic.com> and others
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	5
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	6 This software may be used and distributed according to the terms of
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	7 the GNU General Public License, incorporated herein by reference.
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	8 */
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	9
42067 b01bbb8ff1f2 cext: make revlog.c PY_SSIZE_T_CLEAN Gregory Szorc <gregory.szorc@gmail.com> parents: 41283 diff changeset	10 #define PY_SSIZE_T_CLEAN
6389 0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	11 #include <Python.h>
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	12 #include <assert.h>
6389 0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	13 #include <ctype.h>
40743 7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	14 #include <limits.h>
17356 511dfb34b412 parsers: fix an integer size warning issued by clang Bryan O'Sullivan <bryano@fb.com> parents: 17353 diff changeset	15 #include <stddef.h>
40746 cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	16 #include <stdlib.h>
6389 0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	17 #include <string.h>
0231f763ebc8 manifest: improve parsing performance by 8x via a new C extension Bryan O'Sullivan <bos@serpentine.com> parents: diff changeset	18
34439 b90e8da190da cext: reorder #include Gregory Szorc <gregory.szorc@gmail.com> parents: 34438 diff changeset	19 #include "bitmanipulation.h"
33779 0f4ac3b6dee4 cext: factor out header for charencode.c Yuya Nishihara <yuya@tcha.org> parents: 33475 diff changeset	20 #include "charencode.h"
40877 aa76be85029b revlog: export symbol of indexType Yuya Nishihara <yuya@tcha.org> parents: 40838 diff changeset	21 #include "revlog.h"
11361 3de3d670d2b6 parsers.c: Added support for py3k. Renato Cunha <renatoc@gmail.com> parents: 10449 diff changeset	22 #include "util.h"
3de3d670d2b6 parsers.c: Added support for py3k. Renato Cunha <renatoc@gmail.com> parents: 10449 diff changeset	23
30112 9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	24 #ifdef IS_PY3K
9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	25 /* The mapping of Python types is meant to be temporary to get Python
9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	26 * 3 to compile. We should remove this once Python 3 support is fully
9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	27 * supported and proper types are used in the extensions themselves. */
30169 5f7151e6de85 parsers: alias more PyInt* symbols on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30112 diff changeset	28 #define PyInt_Check PyLong_Check
30112 9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	29 #define PyInt_FromLong PyLong_FromLong
30169 5f7151e6de85 parsers: alias more PyInt* symbols on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30112 diff changeset	30 #define PyInt_FromSsize_t PyLong_FromSsize_t
30112 9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	31 #define PyInt_AsLong PyLong_AsLong
9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	32 #endif
9b6ff0f940ed parsers: move PyInt aliasing out of util.h Gregory Szorc <gregory.szorc@gmail.com> parents: 30103 diff changeset	33
38977 53bc73fae1a3 index: add pointer from nodetree back to index Martin von Zweigbergk <martinvonz@google.com> parents: 38976 diff changeset	34 typedef struct indexObjectStruct indexObject;
53bc73fae1a3 index: add pointer from nodetree back to index Martin von Zweigbergk <martinvonz@google.com> parents: 38976 diff changeset	35
38951 d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	36 typedef struct {
d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	37 int children[16];
d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	38 } nodetreenode;
d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	39
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	40 typedef struct {
44066 f5d2720f3bea revlog-native: introduced ABI version in capsule Georges Racinet <georges.racinet@octobus.net> parents: 43964 diff changeset	41 int abi_version;
44512 166349510398 revlog: using two new functions in C capsule from Rust code Georges Racinet <georges.racinet@octobus.net> parents: 44498 diff changeset	42 Py_ssize_t (index_length)(const indexObject );
166349510398 revlog: using two new functions in C capsule from Rust code Georges Racinet <georges.racinet@octobus.net> parents: 44498 diff changeset	43 const char (index_node)(indexObject *, Py_ssize_t);
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	44 int (index_parents)(PyObject , int, int *);
f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	45 } Revlog_CAPI;
f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	46
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	47 /*
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	48 * A base-16 trie for fast node->rev mapping.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	49 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	50 * Positive value is index of the next node in the trie
38885 f738c502e43b index: store nullrev as -1 in nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38884 diff changeset	51 * Negative value is a leaf: -(rev + 2)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	52 * Zero is empty
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	53 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	54 typedef struct {
38977 53bc73fae1a3 index: add pointer from nodetree back to index Martin von Zweigbergk <martinvonz@google.com> parents: 38976 diff changeset	55 indexObject *index;
38951 d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	56 nodetreenode *nodes;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	57 unsigned length; /* # nodes in use */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	58 unsigned capacity; /* # nodes allocated */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	59 int depth; /* maximum depth of tree */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	60 int splits; /* # splits performed */
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	61 } nodetree;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	62
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	63 typedef struct {
40607 8c1f36bf2d3e revlog: add a comment to help clang-format produce less-awful results Augie Fackler <augie@google.com> parents: 40512 diff changeset	64 PyObject_HEAD /* ; */
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	65 nodetree nt;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	66 } nodetreeObject;
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	67
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	68 /*
26098 ce26928cbe41 spelling: behaviour -> behavior timeless@mozdev.org parents: 26080 diff changeset	69 * This class has two behaviors.
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	70 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	71 * When used in a list-like way (with integer keys), we decode an
43629 ae5e39512ca0 revlog: delete references to deleted nullid sentinel value Martin von Zweigbergk <martinvonz@google.com> parents: 43602 diff changeset	72 * entry in a RevlogNG index file on demand. We have limited support for
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	73 * integer-keyed insert and delete, only at elements right before the
43629 ae5e39512ca0 revlog: delete references to deleted nullid sentinel value Martin von Zweigbergk <martinvonz@google.com> parents: 43602 diff changeset	74 * end.
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	75 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	76 * With string keys, we lazily perform a reverse mapping from node to
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	77 * rev, using a base-16 trie.
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	78 */
38977 53bc73fae1a3 index: add pointer from nodetree back to index Martin von Zweigbergk <martinvonz@google.com> parents: 38976 diff changeset	79 struct indexObjectStruct {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	80 PyObject_HEAD
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	81 /* Type-specific fields go here. */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	82 PyObject data; / raw bytes of index */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	83 Py_buffer buf; /* buffer of data */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	84 PyObject *cache; / cached tuples */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	85 const char *offsets; / populated on demand */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	86 Py_ssize_t raw_length; /* original number of elements */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	87 Py_ssize_t length; /* current number of elements */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	88 PyObject added; / populated on demand */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	89 PyObject headrevs; / cache, invalidated on changes */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	90 PyObject filteredrevs; / filtered revs set */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	91 nodetree nt; /* base-16 trie */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	92 int ntinitialized; /* 0 or 1 */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	93 int ntrev; /* last rev scanned */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	94 int ntlookups; /* # lookups */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	95 int ntmisses; /* # lookups that miss the cache */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	96 int inlined;
38977 53bc73fae1a3 index: add pointer from nodetree back to index Martin von Zweigbergk <martinvonz@google.com> parents: 38976 diff changeset	97 };
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	98
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	99 static Py_ssize_t index_length(const indexObject *self)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	100 {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	101 if (self->added == NULL)
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	102 return self->length;
52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	103 return self->length + PyList_GET_SIZE(self->added);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	104 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	105
40100 994010b87534 revlog: explicitly initialize static variables Yuya Nishihara <yuya@tcha.org> parents: 40089 diff changeset	106 static PyObject *nullentry = NULL;
994010b87534 revlog: explicitly initialize static variables Yuya Nishihara <yuya@tcha.org> parents: 40089 diff changeset	107 static const char nullid[20] = {0};
40973 43974cd44967 revlog: introduce a constant for nullrev in `revlog.c` Boris Feld <boris.feld@octobus.net> parents: 40880 diff changeset	108 static const Py_ssize_t nullrev = -1;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	109
22401 9ba8a93e55f5 parsers: ensure correct return type for inline_scan Henrik Stuart <hg@hstuart.dk> parents: 22400 diff changeset	110 static Py_ssize_t inline_scan(indexObject self, const char *offsets);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	111
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	112 static int index_find_node(indexObject self, const char node,
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	113 Py_ssize_t nodelen);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	114
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	115 #if LONG_MAX == 0x7fffffffL
36650 4015b9248da0 cext: mark tuple_format as a constant Yuya Nishihara <yuya@tcha.org> parents: 36649 diff changeset	116 static const char *const tuple_format = PY23("Kiiiiiis#", "Kiiiiiiy#");
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	117 #else
36650 4015b9248da0 cext: mark tuple_format as a constant Yuya Nishihara <yuya@tcha.org> parents: 36649 diff changeset	118 static const char *const tuple_format = PY23("kiiiiiis#", "kiiiiiiy#");
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	119 #endif
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	120
16863 bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	121 /* A RevlogNG v1 index entry is 64 bytes long. */
bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	122 static const long v1_hdrsize = 64;
bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	123
39247 f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	124 static void raise_revlog_error(void)
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	125 {
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	126 PyObject mod = NULL, dict = NULL, *errclass = NULL;
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	127
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	128 mod = PyImport_ImportModule("mercurial.error");
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	129 if (mod == NULL) {
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	130 goto cleanup;
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	131 }
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	132
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	133 dict = PyModule_GetDict(mod);
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	134 if (dict == NULL) {
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	135 goto cleanup;
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	136 }
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	137 Py_INCREF(dict);
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	138
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	139 errclass = PyDict_GetItemString(dict, "RevlogError");
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	140 if (errclass == NULL) {
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	141 PyErr_SetString(PyExc_SystemError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	142 "could not find RevlogError");
39247 f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	143 goto cleanup;
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	144 }
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	145
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	146 /* value of exception is ignored by callers */
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	147 PyErr_SetString(errclass, "RevlogError");
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	148
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	149 cleanup:
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	150 Py_XDECREF(dict);
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	151 Py_XDECREF(mod);
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	152 }
f85b25608252 index: move raise_revlog_error() further up Martin von Zweigbergk <martinvonz@google.com> parents: 39246 diff changeset	153
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	154 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	155 * Return a pointer to the beginning of a RevlogNG record.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	156 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	157 static const char index_deref(indexObject self, Py_ssize_t pos)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	158 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	159 if (self->inlined && pos > 0) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	160 if (self->offsets == NULL) {
44212 3122058df7a5 cext: move variable declaration to the top of the block for C89 support Matt Harbison <matt_harbison@yahoo.com> parents: 44210 diff changeset	161 Py_ssize_t ret;
31479 bc445c556d3c parsers: use Python memory allocator for indexObject->offsets Gregory Szorc <gregory.szorc@gmail.com> parents: 31478 diff changeset	162 self->offsets = PyMem_Malloc(self->raw_length *
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	163 sizeof(*self->offsets));
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	164 if (self->offsets == NULL)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	165 return (const char *)PyErr_NoMemory();
44212 3122058df7a5 cext: move variable declaration to the top of the block for C89 support Matt Harbison <matt_harbison@yahoo.com> parents: 44210 diff changeset	166 ret = inline_scan(self, self->offsets);
44210 864e9534d3d4 cext-index: propagate inline_scan error in `index_deref` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44066 diff changeset	167 if (ret == -1) {
864e9534d3d4 cext-index: propagate inline_scan error in `index_deref` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44066 diff changeset	168 return NULL;
864e9534d3d4 cext-index: propagate inline_scan error in `index_deref` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44066 diff changeset	169 };
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	170 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	171 return self->offsets[pos];
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	172 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	173
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	174 return (const char )(self->buf.buf) + pos v1_hdrsize;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	175 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	176
40457 9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	177 /*
9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	178 * Get parents of the given rev.
9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	179 *
9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	180 * The specified rev must be valid and must not be nullrev. A returned
9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	181 * parent revision may be nullrev, but is guaranteed to be in valid range.
9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	182 */
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	183 static inline int index_get_parents(indexObject self, Py_ssize_t rev, int ps,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	184 int maxrev)
25311 d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	185 {
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	186 if (rev >= self->length) {
40645 fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	187 long tmp;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	188 PyObject *tuple =
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	189 PyList_GET_ITEM(self->added, rev - self->length);
40645 fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	190 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 5), &tmp)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	191 return -1;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	192 }
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	193 ps[0] = (int)tmp;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	194 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 6), &tmp)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	195 return -1;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	196 }
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	197 ps[1] = (int)tmp;
25311 d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	198 } else {
d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	199 const char *data = index_deref(self, rev);
d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	200 ps[0] = getbe32(data + 24);
d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	201 ps[1] = getbe32(data + 28);
d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	202 }
25810 82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	203 /* If index file is corrupted, ps[] may point to invalid revisions. So
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	204 * there is a risk of buffer overflow to trust them unconditionally. */
40457 9cdd525d97b2 revlog: fix out-of-bounds access by negative parents read from revlog (SEC) Yuya Nishihara <yuya@tcha.org> parents: 40428 diff changeset	205 if (ps[0] < -1 \|\| ps[0] > maxrev \|\| ps[1] < -1 \|\| ps[1] > maxrev) {
25810 82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	206 PyErr_SetString(PyExc_ValueError, "parent out of range");
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	207 return -1;
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	208 }
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	209 return 0;
25311 d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	210 }
d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	211
40879 b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	212 /*
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	213 * Get parents of the given rev.
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	214 *
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	215 * If the specified rev is out of range, IndexError will be raised. If the
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	216 * revlog entry is corrupted, ValueError may be raised.
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	217 *
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	218 * Returns 0 on success or -1 on failure.
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	219 */
44485 9db11679f8ac cext: make HgRevlogIndex_GetParents private again Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44066 diff changeset	220 static int HgRevlogIndex_GetParents(PyObject op, int rev, int ps)
40879 b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	221 {
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	222 int tiprev;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	223 if (!op \|\| !HgRevlogIndex_Check(op) \|\| !ps) {
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	224 PyErr_BadInternalCall();
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	225 return -1;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	226 }
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	227 tiprev = (int)index_length((indexObject *)op) - 1;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	228 if (rev < -1 \|\| rev > tiprev) {
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	229 PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev);
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	230 return -1;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	231 } else if (rev == -1) {
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	232 ps[0] = ps[1] = -1;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	233 return 0;
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	234 } else {
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	235 return index_get_parents((indexObject *)op, rev, ps, tiprev);
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	236 }
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	237 }
b12700dd261f revlog: add public CPython function to get parent revisions Yuya Nishihara <yuya@tcha.org> parents: 40878 diff changeset	238
40742 d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	239 static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev)
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	240 {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	241 uint64_t offset;
40974 b54727f82511 sparse-revlog: handle nullrev in index_get_start Boris Feld <boris.feld@octobus.net> parents: 40973 diff changeset	242 if (rev == nullrev) {
b54727f82511 sparse-revlog: handle nullrev in index_get_start Boris Feld <boris.feld@octobus.net> parents: 40973 diff changeset	243 return 0;
b54727f82511 sparse-revlog: handle nullrev in index_get_start Boris Feld <boris.feld@octobus.net> parents: 40973 diff changeset	244 }
40742 d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	245 if (rev >= self->length) {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	246 PyObject *tuple;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	247 PyObject *pylong;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	248 PY_LONG_LONG tmp;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	249 tuple = PyList_GET_ITEM(self->added, rev - self->length);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	250 pylong = PyTuple_GET_ITEM(tuple, 0);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	251 tmp = PyLong_AsLongLong(pylong);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	252 if (tmp == -1 && PyErr_Occurred()) {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	253 return -1;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	254 }
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	255 if (tmp < 0) {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	256 PyErr_Format(PyExc_OverflowError,
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	257 "revlog entry size out of bound (%lld)",
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	258 (long long)tmp);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	259 return -1;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	260 }
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	261 offset = (uint64_t)tmp;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	262 } else {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	263 const char *data = index_deref(self, rev);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	264 offset = getbe32(data + 4);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	265 if (rev == 0) {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	266 /* mask out version number for the first entry */
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	267 offset &= 0xFFFF;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	268 } else {
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	269 uint32_t offset_high = getbe32(data);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	270 offset \|= ((uint64_t)offset_high) << 32;
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	271 }
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	272 }
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	273 return (int64_t)(offset >> 16);
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	274 }
d5b300ec2e89 sparse-revlog: add a `index_get_start` function in C Boris Feld <boris.feld@octobus.net> parents: 40645 diff changeset	275
40743 7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	276 static inline int index_get_length(indexObject *self, Py_ssize_t rev)
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	277 {
40975 c6939b353ebd sparse-revlog: handle nullrev in index_get_length Boris Feld <boris.feld@octobus.net> parents: 40974 diff changeset	278 if (rev == nullrev) {
c6939b353ebd sparse-revlog: handle nullrev in index_get_length Boris Feld <boris.feld@octobus.net> parents: 40974 diff changeset	279 return 0;
c6939b353ebd sparse-revlog: handle nullrev in index_get_length Boris Feld <boris.feld@octobus.net> parents: 40974 diff changeset	280 }
40743 7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	281 if (rev >= self->length) {
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	282 PyObject *tuple;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	283 PyObject *pylong;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	284 long ret;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	285 tuple = PyList_GET_ITEM(self->added, rev - self->length);
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	286 pylong = PyTuple_GET_ITEM(tuple, 1);
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	287 ret = PyInt_AsLong(pylong);
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	288 if (ret == -1 && PyErr_Occurred()) {
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	289 return -1;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	290 }
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	291 if (ret < 0 \|\| ret > (long)INT_MAX) {
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	292 PyErr_Format(PyExc_OverflowError,
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	293 "revlog entry size out of bound (%ld)",
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	294 ret);
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	295 return -1;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	296 }
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	297 return (int)ret;
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	298 } else {
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	299 const char *data = index_deref(self, rev);
40775 959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	300 int tmp = (int)getbe32(data + 8);
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	301 if (tmp < 0) {
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	302 PyErr_Format(PyExc_OverflowError,
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	303 "revlog entry size out of bound (%d)",
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	304 tmp);
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	305 return -1;
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	306 }
959130631de3 revlog: properly detect corrupted revlog in `index_get_length` Boris Feld <boris.feld@octobus.net> parents: 40746 diff changeset	307 return tmp;
40743 7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	308 }
7da3729d4b45 sparse-revlog: add a `index_get_length` function in C Boris Feld <boris.feld@octobus.net> parents: 40742 diff changeset	309 }
25311 d2e88f960d1a parsers: move index_get_parents's declaration higher Laurent Charignon <lcharignon@fb.com> parents: 25297 diff changeset	310
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	311 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	312 * RevlogNG format (all in big endian, data may be inlined):
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	313 * 6 bytes: offset
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	314 * 2 bytes: flags
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	315 * 4 bytes: compressed length
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	316 * 4 bytes: uncompressed length
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	317 * 4 bytes: base revision
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	318 * 4 bytes: link revision
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	319 * 4 bytes: parent 1 revision
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	320 * 4 bytes: parent 2 revision
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	321 * 32 bytes: nodeid (only 20 bytes used)
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	322 */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	323 static PyObject index_get(indexObject self, Py_ssize_t pos)
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	324 {
7154 7fdf7a0a41b7 index parser: fix refcounting in case of errors, refactor Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7135 diff changeset	325 uint64_t offset_flags;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	326 int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2;
7154 7fdf7a0a41b7 index parser: fix refcounting in case of errors, refactor Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7135 diff changeset	327 const char *c_node_id;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	328 const char *data;
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	329 Py_ssize_t length = index_length(self);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	330 PyObject *entry;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	331
40973 43974cd44967 revlog: introduce a constant for nullrev in `revlog.c` Boris Feld <boris.feld@octobus.net> parents: 40880 diff changeset	332 if (pos == nullrev) {
38886 f3d394ea17db index: handle index[-1] as nullid more explicitly Martin von Zweigbergk <martinvonz@google.com> parents: 38885 diff changeset	333 Py_INCREF(nullentry);
f3d394ea17db index: handle index[-1] as nullid more explicitly Martin von Zweigbergk <martinvonz@google.com> parents: 38885 diff changeset	334 return nullentry;
f3d394ea17db index: handle index[-1] as nullid more explicitly Martin von Zweigbergk <martinvonz@google.com> parents: 38885 diff changeset	335 }
f3d394ea17db index: handle index[-1] as nullid more explicitly Martin von Zweigbergk <martinvonz@google.com> parents: 38885 diff changeset	336
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	337 if (pos < 0 \|\| pos >= length) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	338 PyErr_SetString(PyExc_IndexError, "revlog index out of range");
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	339 return NULL;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	340 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	341
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	342 if (pos >= self->length) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	343 PyObject *obj;
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	344 obj = PyList_GET_ITEM(self->added, pos - self->length);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	345 Py_INCREF(obj);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	346 return obj;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	347 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	348
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	349 if (self->cache) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	350 if (self->cache[pos]) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	351 Py_INCREF(self->cache[pos]);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	352 return self->cache[pos];
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	353 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	354 } else {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	355 self->cache = calloc(self->raw_length, sizeof(PyObject *));
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	356 if (self->cache == NULL)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	357 return PyErr_NoMemory();
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	358 }
7190 aecea6934fdd Some additional space/tab cleanups Thomas Arendsen Hein <thomas@intevation.de> parents: 7186 diff changeset	359
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	360 data = index_deref(self, pos);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	361 if (data == NULL)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	362 return NULL;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	363
16437 d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	364 offset_flags = getbe32(data + 4);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	365 if (pos == 0) /* mask out version number for the first entry */
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	366 offset_flags &= 0xFFFF;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	367 else {
16437 d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	368 uint32_t offset_high = getbe32(data);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	369 offset_flags \|= ((uint64_t)offset_high) << 32;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	370 }
7154 7fdf7a0a41b7 index parser: fix refcounting in case of errors, refactor Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7135 diff changeset	371
16437 d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	372 comp_len = getbe32(data + 8);
d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	373 uncomp_len = getbe32(data + 12);
d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	374 base_rev = getbe32(data + 16);
d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	375 link_rev = getbe32(data + 20);
d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	376 parent_1 = getbe32(data + 24);
d126a0d16856 util.h: replace ntohl/htonl with get/putbe32 Matt Mackall <mpm@selenic.com> parents: 16414 diff changeset	377 parent_2 = getbe32(data + 28);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	378 c_node_id = data + 32;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	379
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	380 entry = Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	381 base_rev, link_rev, parent_1, parent_2, c_node_id,
42096 509a0477b3a6 cext: cast s# arguments of Py_BuildValue() to Py_ssize_t Yuya Nishihara <yuya@tcha.org> parents: 42067 diff changeset	382 (Py_ssize_t)20);
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 11361 diff changeset	383
19726 b3c8c6f2b5c1 parsers: use Py_INCREF safely Bryan O'Sullivan <bryano@fb.com> parents: 19725 diff changeset	384 if (entry) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	385 PyObject_GC_UnTrack(entry);
19726 b3c8c6f2b5c1 parsers: use Py_INCREF safely Bryan O'Sullivan <bryano@fb.com> parents: 19725 diff changeset	386 Py_INCREF(entry);
b3c8c6f2b5c1 parsers: use Py_INCREF safely Bryan O'Sullivan <bryano@fb.com> parents: 19725 diff changeset	387 }
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	388
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	389 self->cache[pos] = entry;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	390
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	391 return entry;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	392 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	393
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	394 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	395 * Return the 20-byte SHA of the node corresponding to the given rev.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	396 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	397 static const char index_node(indexObject self, Py_ssize_t pos)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	398 {
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	399 Py_ssize_t length = index_length(self);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	400 const char *data;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	401
40973 43974cd44967 revlog: introduce a constant for nullrev in `revlog.c` Boris Feld <boris.feld@octobus.net> parents: 40880 diff changeset	402 if (pos == nullrev)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	403 return nullid;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	404
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	405 if (pos >= length)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	406 return NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	407
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	408 if (pos >= self->length) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	409 PyObject tuple, str;
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	410 tuple = PyList_GET_ITEM(self->added, pos - self->length);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	411 str = PyTuple_GetItem(tuple, 7);
30100 c5afe5531709 parsers: convert PyString* to PyBytes* Gregory Szorc <gregory.szorc@gmail.com> parents: 30090 diff changeset	412 return str ? PyBytes_AS_STRING(str) : NULL;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	413 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	415 data = index_deref(self, pos);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	416 return data ? data + 32 : NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	417 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	418
37904 a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	419 /*
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	420 * Return the 20-byte SHA of the node corresponding to the given rev. The
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	421 * rev is assumed to be existing. If not, an exception is set.
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	422 */
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	423 static const char index_node_existing(indexObject self, Py_ssize_t pos)
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	424 {
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	425 const char *node = index_node(self, pos);
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	426 if (node == NULL) {
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	427 PyErr_Format(PyExc_IndexError, "could not access rev %d",
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	428 (int)pos);
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	429 }
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	430 return node;
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	431 }
a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	432
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	433 static int nt_insert(nodetree self, const char node, int rev);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	434
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	435 static int node_check(PyObject obj, char *node)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	436 {
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	437 Py_ssize_t nodelen;
49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	438 if (PyBytes_AsStringAndSize(obj, node, &nodelen) == -1)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	439 return -1;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	440 if (nodelen == 20)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	441 return 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	442 PyErr_SetString(PyExc_ValueError, "20-byte hash required");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	443 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	444 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	445
38889 6104b203bec8 index: replace insert(-1, e) method by append(e) method Martin von Zweigbergk <martinvonz@google.com> parents: 38887 diff changeset	446 static PyObject index_append(indexObject self, PyObject *obj)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	447 {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	448 char *node;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	449 Py_ssize_t len;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	450
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	451 if (!PyTuple_Check(obj) \|\| PyTuple_GET_SIZE(obj) != 8) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	452 PyErr_SetString(PyExc_TypeError, "8-tuple required");
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	453 return NULL;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	454 }
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	455
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	456 if (node_check(PyTuple_GET_ITEM(obj, 7), &node) == -1)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	457 return NULL;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	458
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	459 len = index_length(self);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	460
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	461 if (self->added == NULL) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	462 self->added = PyList_New(0);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	463 if (self->added == NULL)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	464 return NULL;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	465 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	466
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	467 if (PyList_Append(self->added, obj) == -1)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	468 return NULL;
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 11361 diff changeset	469
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	470 if (self->ntinitialized)
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	471 nt_insert(&self->nt, node, (int)len);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	472
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	473 Py_CLEAR(self->headrevs);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	474 Py_RETURN_NONE;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	475 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	476
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	477 static PyObject index_stats(indexObject self)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	478 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	479 PyObject *obj = PyDict_New();
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	480 PyObject *s = NULL;
23948 bd307b462ce2 parsers: avoid leaking several PyObjects in index_stats Augie Fackler <augie@google.com> parents: 23947 diff changeset	481 PyObject *t = NULL;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	482
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	483 if (obj == NULL)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	484 return NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	485
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	486 #define istat(__n, __d) \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	487 do { \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	488 s = PyBytes_FromString(__d); \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	489 t = PyInt_FromSsize_t(self->__n); \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	490 if (!s \|\| !t) \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	491 goto bail; \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	492 if (PyDict_SetItem(obj, s, t) == -1) \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	493 goto bail; \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	494 Py_CLEAR(s); \
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	495 Py_CLEAR(t); \
28792 507136150d2b parsers: fix istat macro to work with single line if statement Matt Fowles <matt.fowles@gmail.com> parents: 28386 diff changeset	496 } while (0)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	497
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	498 if (self->added) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	499 Py_ssize_t len = PyList_GET_SIZE(self->added);
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	500 s = PyBytes_FromString("index entries added");
23948 bd307b462ce2 parsers: avoid leaking several PyObjects in index_stats Augie Fackler <augie@google.com> parents: 23947 diff changeset	501 t = PyInt_FromSsize_t(len);
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	502 if (!s \|\| !t)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	503 goto bail;
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	504 if (PyDict_SetItem(obj, s, t) == -1)
23948 bd307b462ce2 parsers: avoid leaking several PyObjects in index_stats Augie Fackler <augie@google.com> parents: 23947 diff changeset	505 goto bail;
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	506 Py_CLEAR(s);
88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	507 Py_CLEAR(t);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	508 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	509
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	510 if (self->raw_length != self->length)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	511 istat(raw_length, "revs on disk");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	512 istat(length, "revs in memory");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	513 istat(ntlookups, "node trie lookups");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	514 istat(ntmisses, "node trie misses");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	515 istat(ntrev, "node trie last rev scanned");
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	516 if (self->ntinitialized) {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	517 istat(nt.capacity, "node trie capacity");
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	518 istat(nt.depth, "node trie depth");
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	519 istat(nt.length, "node trie count");
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	520 istat(nt.splits, "node trie splits");
38952 c2c253558e3c index: move more fields onto nodetree type Martin von Zweigbergk <martinvonz@google.com> parents: 38951 diff changeset	521 }
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	522
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	523 #undef istat
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	524
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	525 return obj;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	526
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	527 bail:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	528 Py_XDECREF(obj);
40509 88702fd208ce py3: convert revlog stats to a dict of (bytes, int) pairs Yuya Nishihara <yuya@tcha.org> parents: 40300 diff changeset	529 Py_XDECREF(s);
23948 bd307b462ce2 parsers: avoid leaking several PyObjects in index_stats Augie Fackler <augie@google.com> parents: 23947 diff changeset	530 Py_XDECREF(t);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	531 return NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	532 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	533
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	534 /*
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	535 * When we cache a list, we want to be sure the caller can't mutate
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	536 * the cached copy.
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	537 */
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	538 static PyObject list_copy(PyObject list)
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	539 {
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	540 Py_ssize_t len = PyList_GET_SIZE(list);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	541 PyObject *newlist = PyList_New(len);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	542 Py_ssize_t i;
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	543
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	544 if (newlist == NULL)
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	545 return NULL;
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	546
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	547 for (i = 0; i < len; i++) {
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	548 PyObject *obj = PyList_GET_ITEM(list, i);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	549 Py_INCREF(obj);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	550 PyList_SET_ITEM(newlist, i, obj);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	551 }
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	552
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	553 return newlist;
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	554 }
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	555
34441 7ed0750c71a1 cext: wrap before brace for functions Gregory Szorc <gregory.szorc@gmail.com> parents: 34439 diff changeset	556 static int check_filter(PyObject *filter, Py_ssize_t arg)
7ed0750c71a1 cext: wrap before brace for functions Gregory Szorc <gregory.szorc@gmail.com> parents: 34439 diff changeset	557 {
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	558 if (filter) {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	559 PyObject arglist, result;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	560 int isfiltered;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	561
26107 50582df9d7a7 parsers: fix two cases of unsigned long instead of Py_ssize_t Augie Fackler <augie@google.com> parents: 26098 diff changeset	562 arglist = Py_BuildValue("(n)", arg);
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	563 if (!arglist) {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	564 return -1;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	565 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	566
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	567 result = PyEval_CallObject(filter, arglist);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	568 Py_DECREF(arglist);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	569 if (!result) {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	570 return -1;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	571 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	572
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	573 /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error,
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	574 * same as this function, so we can just return it directly.*/
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	575 isfiltered = PyObject_IsTrue(result);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	576 Py_DECREF(result);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	577 return isfiltered;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	578 } else {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	579 return 0;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	580 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	581 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	582
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	583 static inline void set_phase_from_parents(char *phases, int parent_1,
24499 90db70de6f9c parsers.c: avoid implicit conversion loses integer warnings Andr? Sintzoff <andre.sintzoff@gmail.com> parents: 24443 diff changeset	584 int parent_2, Py_ssize_t i)
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	585 {
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	586 if (parent_1 >= 0 && phases[parent_1] > phases[i])
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	587 phases[i] = phases[parent_1];
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	588 if (parent_2 >= 0 && phases[parent_2] > phases[i])
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	589 phases[i] = phases[parent_2];
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	590 }
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	591
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	592 static PyObject reachableroots2(indexObject self, PyObject *args)
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	593 {
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	594
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	595 /* Input */
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	596 long minroot;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	597 PyObject *includepatharg = NULL;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	598 int includepath = 0;
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	599 /* heads and roots are lists */
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	600 PyObject *heads = NULL;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	601 PyObject *roots = NULL;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	602 PyObject *reachable = NULL;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	603
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	604 PyObject *val;
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	605 Py_ssize_t len = index_length(self);
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	606 long revnum;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	607 Py_ssize_t k;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	608 Py_ssize_t i;
26042 2a3010ba6f52 reachableroots: give anonymous name to short-lived "numheads" variable Yuya Nishihara <yuya@tcha.org> parents: 26041 diff changeset	609 Py_ssize_t l;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	610 int r;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	611 int parents[2];
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	612
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	613 /* Internal data structure:
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	614 * tovisit: array of length len+1 (all revs + nullrev), filled upto
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	615 * lentovisit
40608 5c14bf0c5be3 revlog: add blank line in comment to help clang-format Augie Fackler <augie@google.com> parents: 40607 diff changeset	616 *
26044 b3ad349d0e50 reachableroots: extend "revstates" to array of bit flags Yuya Nishihara <yuya@tcha.org> parents: 26043 diff changeset	617 * revstates: array of length len+1 (all revs + nullrev) */
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	618 int *tovisit = NULL;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	619 long lentovisit = 0;
26054 5049e10fed14 reachableroots: use internal "revstates" array to test if rev is reachable Yuya Nishihara <yuya@tcha.org> parents: 26053 diff changeset	620 enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 };
26043 f2f0a3ab6e41 reachableroots: rename "seen" array to "revstates" for future extension Yuya Nishihara <yuya@tcha.org> parents: 26042 diff changeset	621 char *revstates = NULL;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	622
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	623 /* Get arguments */
26009 bbb698697efc reachableroots: fix transposition of set and list types in PyArg_ParseTuple Augie Fackler <augie@google.com> parents: 26008 diff changeset	624 if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	625 &PyList_Type, &roots, &PyBool_Type,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	626 &includepatharg))
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	627 goto bail;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	628
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	629 if (includepatharg == Py_True)
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	630 includepath = 1;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	631
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	632 /* Initialize return set */
26055 607868eccaa7 reachableroots: return list of revisions instead of set Yuya Nishihara <yuya@tcha.org> parents: 26054 diff changeset	633 reachable = PyList_New(0);
607868eccaa7 reachableroots: return list of revisions instead of set Yuya Nishihara <yuya@tcha.org> parents: 26054 diff changeset	634 if (reachable == NULL)
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	635 goto bail;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	636
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	637 /* Initialize internal datastructures */
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	638 tovisit = (int )malloc((len + 1) sizeof(int));
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	639 if (tovisit == NULL) {
26008 59d57ea69ae6 reachableroots: consistently use short-form of PyErr_NoMemory() Augie Fackler <augie@google.com> parents: 26007 diff changeset	640 PyErr_NoMemory();
26016 c8d41c9c23c7 reachableroots: unify bail cases to raise exception correctly Yuya Nishihara <yuya@tcha.org> parents: 26015 diff changeset	641 goto bail;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	642 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	643
26043 f2f0a3ab6e41 reachableroots: rename "seen" array to "revstates" for future extension Yuya Nishihara <yuya@tcha.org> parents: 26042 diff changeset	644 revstates = (char *)calloc(len + 1, 1);
f2f0a3ab6e41 reachableroots: rename "seen" array to "revstates" for future extension Yuya Nishihara <yuya@tcha.org> parents: 26042 diff changeset	645 if (revstates == NULL) {
26008 59d57ea69ae6 reachableroots: consistently use short-form of PyErr_NoMemory() Augie Fackler <augie@google.com> parents: 26007 diff changeset	646 PyErr_NoMemory();
26016 c8d41c9c23c7 reachableroots: unify bail cases to raise exception correctly Yuya Nishihara <yuya@tcha.org> parents: 26015 diff changeset	647 goto bail;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	648 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	649
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	650 l = PyList_GET_SIZE(roots);
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	651 for (i = 0; i < l; i++) {
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	652 revnum = PyInt_AsLong(PyList_GET_ITEM(roots, i));
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	653 if (revnum == -1 && PyErr_Occurred())
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	654 goto bail;
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	655 /* If root is out of range, e.g. wdir(), it must be unreachable
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	656 * from heads. So we can just ignore it. */
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	657 if (revnum + 1 < 0 \|\| revnum + 1 >= len + 1)
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	658 continue;
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	659 revstates[revnum + 1] \|= RS_ROOT;
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	660 }
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	661
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	662 /* Populate tovisit with all the heads */
26042 2a3010ba6f52 reachableroots: give anonymous name to short-lived "numheads" variable Yuya Nishihara <yuya@tcha.org> parents: 26041 diff changeset	663 l = PyList_GET_SIZE(heads);
2a3010ba6f52 reachableroots: give anonymous name to short-lived "numheads" variable Yuya Nishihara <yuya@tcha.org> parents: 26041 diff changeset	664 for (i = 0; i < l; i++) {
26018 c6115c30a376 reachableroots: verify type of each item of heads argument Yuya Nishihara <yuya@tcha.org> parents: 26017 diff changeset	665 revnum = PyInt_AsLong(PyList_GET_ITEM(heads, i));
c6115c30a376 reachableroots: verify type of each item of heads argument Yuya Nishihara <yuya@tcha.org> parents: 26017 diff changeset	666 if (revnum == -1 && PyErr_Occurred())
c6115c30a376 reachableroots: verify type of each item of heads argument Yuya Nishihara <yuya@tcha.org> parents: 26017 diff changeset	667 goto bail;
26017 44705659da94 reachableroots: verify integer range of heads argument (issue4775) Yuya Nishihara <yuya@tcha.org> parents: 26016 diff changeset	668 if (revnum + 1 < 0 \|\| revnum + 1 >= len + 1) {
44705659da94 reachableroots: verify integer range of heads argument (issue4775) Yuya Nishihara <yuya@tcha.org> parents: 26016 diff changeset	669 PyErr_SetString(PyExc_IndexError, "head out of range");
44705659da94 reachableroots: verify integer range of heads argument (issue4775) Yuya Nishihara <yuya@tcha.org> parents: 26016 diff changeset	670 goto bail;
44705659da94 reachableroots: verify integer range of heads argument (issue4775) Yuya Nishihara <yuya@tcha.org> parents: 26016 diff changeset	671 }
26044 b3ad349d0e50 reachableroots: extend "revstates" to array of bit flags Yuya Nishihara <yuya@tcha.org> parents: 26043 diff changeset	672 if (!(revstates[revnum + 1] & RS_SEEN)) {
26080 83c9edcac05c reachableroots: silence warning of implicit integer narrowing issued by clang Yuya Nishihara <yuya@tcha.org> parents: 26079 diff changeset	673 tovisit[lentovisit++] = (int)revnum;
26044 b3ad349d0e50 reachableroots: extend "revstates" to array of bit flags Yuya Nishihara <yuya@tcha.org> parents: 26043 diff changeset	674 revstates[revnum + 1] \|= RS_SEEN;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	675 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	676 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	677
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	678 /* Visit the tovisit list and find the reachable roots */
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	679 k = 0;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	680 while (k < lentovisit) {
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	681 /* Add the node to reachable if it is a root*/
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	682 revnum = tovisit[k++];
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	683 if (revstates[revnum + 1] & RS_ROOT) {
26054 5049e10fed14 reachableroots: use internal "revstates" array to test if rev is reachable Yuya Nishihara <yuya@tcha.org> parents: 26053 diff changeset	684 revstates[revnum + 1] \|= RS_REACHABLE;
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	685 val = PyInt_FromLong(revnum);
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	686 if (val == NULL)
b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	687 goto bail;
26058 e7fe0a12376c reachableroots: handle error of PyList_Append() Yuya Nishihara <yuya@tcha.org> parents: 26055 diff changeset	688 r = PyList_Append(reachable, val);
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	689 Py_DECREF(val);
26058 e7fe0a12376c reachableroots: handle error of PyList_Append() Yuya Nishihara <yuya@tcha.org> parents: 26055 diff changeset	690 if (r < 0)
e7fe0a12376c reachableroots: handle error of PyList_Append() Yuya Nishihara <yuya@tcha.org> parents: 26055 diff changeset	691 goto bail;
26053 b68c9d232db6 reachableroots: use internal "revstates" array to test if rev is a root Yuya Nishihara <yuya@tcha.org> parents: 26052 diff changeset	692 if (includepath == 0)
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	693 continue;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	694 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	695
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	696 /* Add its parents to the list of nodes to visit */
40973 43974cd44967 revlog: introduce a constant for nullrev in `revlog.c` Boris Feld <boris.feld@octobus.net> parents: 40880 diff changeset	697 if (revnum == nullrev)
26041 8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	698 continue;
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	699 r = index_get_parents(self, revnum, parents, (int)len - 1);
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	700 if (r < 0)
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	701 goto bail;
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	702 for (i = 0; i < 2; i++) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	703 if (!(revstates[parents[i] + 1] & RS_SEEN) &&
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	704 parents[i] >= minroot) {
26041 8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	705 tovisit[lentovisit++] = parents[i];
26044 b3ad349d0e50 reachableroots: extend "revstates" to array of bit flags Yuya Nishihara <yuya@tcha.org> parents: 26043 diff changeset	706 revstates[parents[i] + 1] \|= RS_SEEN;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	707 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	708 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	709 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	710
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	711 /* Find all the nodes in between the roots we found and the heads
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	712 * and add them to the reachable set */
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	713 if (includepath == 1) {
26080 83c9edcac05c reachableroots: silence warning of implicit integer narrowing issued by clang Yuya Nishihara <yuya@tcha.org> parents: 26079 diff changeset	714 long minidx = minroot;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	715 if (minidx < 0)
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	716 minidx = 0;
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	717 for (i = minidx; i < len; i++) {
26044 b3ad349d0e50 reachableroots: extend "revstates" to array of bit flags Yuya Nishihara <yuya@tcha.org> parents: 26043 diff changeset	718 if (!(revstates[i + 1] & RS_SEEN))
26041 8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	719 continue;
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	720 r = index_get_parents(self, i, parents, (int)len - 1);
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	721 /* Corrupted index file, error is set from
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	722 * index_get_parents */
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	723 if (r < 0)
8da628be211b reachableroots: reduce nesting level by jumping to next iteration by continue Yuya Nishihara <yuya@tcha.org> parents: 26033 diff changeset	724 goto bail;
26059 8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	725 if (((revstates[parents[0] + 1] \|
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	726 revstates[parents[1] + 1]) &
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	727 RS_REACHABLE) &&
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	728 !(revstates[i + 1] & RS_REACHABLE)) {
26059 8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	729 revstates[i + 1] \|= RS_REACHABLE;
39111 acd23830bcd6 cext: fix most truncation warnings in revlog on Windows Matt Harbison <matt_harbison@yahoo.com> parents: 39110 diff changeset	730 val = PyInt_FromSsize_t(i);
26059 8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	731 if (val == NULL)
8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	732 goto bail;
8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	733 r = PyList_Append(reachable, val);
8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	734 Py_DECREF(val);
8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	735 if (r < 0)
8779ce81ea80 reachableroots: unroll loop that checks if one of parents is reachable Yuya Nishihara <yuya@tcha.org> parents: 26058 diff changeset	736 goto bail;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	737 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	738 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	739 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	740
26043 f2f0a3ab6e41 reachableroots: rename "seen" array to "revstates" for future extension Yuya Nishihara <yuya@tcha.org> parents: 26042 diff changeset	741 free(revstates);
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	742 free(tovisit);
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	743 return reachable;
26016 c8d41c9c23c7 reachableroots: unify bail cases to raise exception correctly Yuya Nishihara <yuya@tcha.org> parents: 26015 diff changeset	744 bail:
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	745 Py_XDECREF(reachable);
26043 f2f0a3ab6e41 reachableroots: rename "seen" array to "revstates" for future extension Yuya Nishihara <yuya@tcha.org> parents: 26042 diff changeset	746 free(revstates);
26016 c8d41c9c23c7 reachableroots: unify bail cases to raise exception correctly Yuya Nishihara <yuya@tcha.org> parents: 26015 diff changeset	747 free(tovisit);
26010 2c03e521a0c5 reachableroots: return NULL if we're throwing an exception Augie Fackler <augie@google.com> parents: 26009 diff changeset	748 return NULL;
26004 ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	749 }
ff89383a97db reachableroots: add a C implementation Laurent Charignon <lcharignon@fb.com> parents: 25911 diff changeset	750
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	751 static int add_roots_get_min(indexObject self, PyObject roots, char *phases,
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	752 char phase)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	753 {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	754 Py_ssize_t len = index_length(self);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	755 PyObject *item;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	756 PyObject *iterator;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	757 int rev, minrev = -1;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	758 char *node;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	759
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	760 if (!PySet_Check(roots))
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	761 return -2;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	762 iterator = PyObject_GetIter(roots);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	763 if (iterator == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	764 return -2;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	765 while ((item = PyIter_Next(iterator))) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	766 if (node_check(item, &node) == -1)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	767 goto failed;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	768 rev = index_find_node(self, node, 20);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	769 /* null is implicitly public, so negative is invalid */
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	770 if (rev < 0 \|\| rev >= len)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	771 goto failed;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	772 phases[rev] = phase;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	773 if (minrev == -1 \|\| minrev > rev)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	774 minrev = rev;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	775 Py_DECREF(item);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	776 }
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	777 Py_DECREF(iterator);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	778 return minrev;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	779 failed:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	780 Py_DECREF(iterator);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	781 Py_DECREF(item);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	782 return -2;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	783 }
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	784
25190 22438cfd11b5 phases: add set per phase in C phase computation Laurent Charignon <lcharignon@fb.com> parents: 24879 diff changeset	785 static PyObject compute_phases_map_sets(indexObject self, PyObject *args)
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	786 {
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	787 /* 0: public (untracked), 1: draft, 2: secret, 32: archive,
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	788 96: internal */
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	789 static const char trackedphases[] = {1, 2, 32, 96};
25190 22438cfd11b5 phases: add set per phase in C phase computation Laurent Charignon <lcharignon@fb.com> parents: 24879 diff changeset	790 PyObject *ret = NULL;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	791 PyObject *roots = Py_None;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	792 PyObject *pyphase = NULL;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	793 PyObject *pyrev = NULL;
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	794 PyObject *phaseroots = NULL;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	795 PyObject *phasessize = NULL;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	796 PyObject *phasesets[4] = {NULL, NULL, NULL, NULL};
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	797 Py_ssize_t len = index_length(self);
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	798 char *phases = NULL;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	799 int minphaserev = -1, rev, i;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	800 const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0]));
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	801
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	802 if (!PyArg_ParseTuple(args, "O", &roots))
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	803 return NULL;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	804 if (roots == NULL \|\| !PyDict_Check(roots)) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	805 PyErr_SetString(PyExc_TypeError, "roots must be a dictionary");
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	806 return NULL;
36652 a472a897c340 cext: fix computephasesmapsets() not to return without setting an exception Yuya Nishihara <yuya@tcha.org> parents: 36650 diff changeset	807 }
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	808
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	809 phases = calloc(len, 1);
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	810 if (phases == NULL) {
ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	811 PyErr_NoMemory();
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	812 return NULL;
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	813 }
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	814
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	815 for (i = 0; i < numphases; ++i) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	816 pyphase = PyInt_FromLong(trackedphases[i]);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	817 if (pyphase == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	818 goto release;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	819 phaseroots = PyDict_GetItem(roots, pyphase);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	820 Py_DECREF(pyphase);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	821 if (phaseroots == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	822 continue;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	823 rev = add_roots_get_min(self, phaseroots, phases, trackedphases[i]);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	824 phaseroots = NULL;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	825 if (rev == -2)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	826 goto release;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	827 if (rev != -1 && (minphaserev == -1 \|\| rev < minphaserev))
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	828 minphaserev = rev;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	829 }
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	830
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	831 for (i = 0; i < numphases; ++i) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	832 phasesets[i] = PySet_New(NULL);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	833 if (phasesets[i] == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	834 goto release;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	835 }
25190 22438cfd11b5 phases: add set per phase in C phase computation Laurent Charignon <lcharignon@fb.com> parents: 24879 diff changeset	836
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	837 if (minphaserev == -1)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	838 minphaserev = len;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	839 for (rev = minphaserev; rev < len; ++rev) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	840 int parents[2];
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	841 /*
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	842 * The parent lookup could be skipped for phaseroots, but
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	843 * phase --force would historically not recompute them
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	844 * correctly, leaving descendents with a lower phase around.
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	845 * As such, unconditionally recompute the phase.
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	846 */
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	847 if (index_get_parents(self, rev, parents, (int)len - 1) < 0)
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	848 goto release;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	849 set_phase_from_parents(phases, parents[0], parents[1], rev);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	850 switch (phases[rev]) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	851 case 0:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	852 continue;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	853 case 1:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	854 pyphase = phasesets[0];
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	855 break;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	856 case 2:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	857 pyphase = phasesets[1];
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	858 break;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	859 case 32:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	860 pyphase = phasesets[2];
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	861 break;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	862 case 96:
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	863 pyphase = phasesets[3];
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	864 break;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	865 default:
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	866 goto release;
36652 a472a897c340 cext: fix computephasesmapsets() not to return without setting an exception Yuya Nishihara <yuya@tcha.org> parents: 36650 diff changeset	867 }
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	868 pyrev = PyInt_FromLong(rev);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	869 if (pyrev == NULL)
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	870 goto release;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	871 if (PySet_Add(pyphase, pyrev) == -1) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	872 Py_DECREF(pyrev);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	873 goto release;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	874 }
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	875 Py_DECREF(pyrev);
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	876 }
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	877 phaseroots = _dict_new_presized(numphases);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	878 if (phaseroots == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	879 goto release;
45141 9719e118e4af cext: remove unused variables Joerg Sonnenberger <joerg@bec.de> parents: 45131 diff changeset	880 for (i = 0; i < numphases; ++i) {
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	881 pyphase = PyInt_FromLong(trackedphases[i]);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	882 if (pyphase == NULL)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	883 goto release;
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	884 if (PyDict_SetItem(phaseroots, pyphase, phasesets[i]) == -1) {
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	885 Py_DECREF(pyphase);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	886 goto release;
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	887 }
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	888 Py_DECREF(phasesets[i]);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	889 phasesets[i] = NULL;
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	890 }
39111 acd23830bcd6 cext: fix most truncation warnings in revlog on Windows Matt Harbison <matt_harbison@yahoo.com> parents: 39110 diff changeset	891 phasessize = PyInt_FromSsize_t(len);
35318 d13526333835 phases: drop the list with phase of each rev, always comput phase sets Joerg Sonnenberger <joerg@bec.de> parents: 34861 diff changeset	892 if (phasessize == NULL)
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	893 goto release;
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	894
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	895 ret = PyTuple_Pack(2, phasessize, phaseroots);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	896 Py_DECREF(phasessize);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	897 Py_DECREF(phaseroots);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	898 return ret;
25190 22438cfd11b5 phases: add set per phase in C phase computation Laurent Charignon <lcharignon@fb.com> parents: 24879 diff changeset	899
27364 ad1cc1435b13 parsers: simplify error logic in compute_phases_map_sets Bryan O'Sullivan <bos@serpentine.com> parents: 27341 diff changeset	900 release:
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	901 for (i = 0; i < numphases; ++i)
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	902 Py_XDECREF(phasesets[i]);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	903 Py_XDECREF(phaseroots);
61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	904
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	905 free(phases);
45131 61e7464477ac phases: sparsify phaseroots and phasesets Joerg Sonnenberger <joerg@bec.de> parents: 44595 diff changeset	906 return NULL;
24443 539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	907 }
539b3c7eea44 phase: compute phases in C Laurent Charignon <lcharignon@fb.com> parents: 24214 diff changeset	908
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	909 static PyObject index_headrevs(indexObject self, PyObject *args)
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	910 {
25297 3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	911 Py_ssize_t i, j, len;
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	912 char *nothead = NULL;
22540 9a860ac8c216 parsers: fix uninitialize variable warning David Soria Parra <davidsp@fb.com> parents: 22484 diff changeset	913 PyObject *heads = NULL;
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	914 PyObject *filter = NULL;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	915 PyObject *filteredrevs = Py_None;
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	916
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	917 if (!PyArg_ParseTuple(args, "\|O", &filteredrevs)) {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	918 return NULL;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	919 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	920
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	921 if (self->headrevs && filteredrevs == self->filteredrevs)
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	922 return list_copy(self->headrevs);
bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	923
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	924 Py_DECREF(self->filteredrevs);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	925 self->filteredrevs = filteredrevs;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	926 Py_INCREF(filteredrevs);
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	927
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	928 if (filteredrevs != Py_None) {
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	929 filter = PyObject_GetAttrString(filteredrevs, "__contains__");
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	930 if (!filter) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	931 PyErr_SetString(
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	932 PyExc_TypeError,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	933 "filteredrevs has no attribute __contains__");
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	934 goto bail;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	935 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	936 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	937
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	938 len = index_length(self);
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	939 heads = PyList_New(0);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	940 if (heads == NULL)
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	941 goto bail;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	942 if (len == 0) {
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	943 PyObject *nullid = PyInt_FromLong(-1);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	944 if (nullid == NULL \|\| PyList_Append(heads, nullid) == -1) {
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	945 Py_XDECREF(nullid);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	946 goto bail;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	947 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	948 goto done;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	949 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	950
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	951 nothead = calloc(len, 1);
27366 7e8a883da171 parsers: add a missed PyErr_NoMemory Bryan O'Sullivan <bos@serpentine.com> parents: 27365 diff changeset	952 if (nothead == NULL) {
7e8a883da171 parsers: add a missed PyErr_NoMemory Bryan O'Sullivan <bos@serpentine.com> parents: 27365 diff changeset	953 PyErr_NoMemory();
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	954 goto bail;
27366 7e8a883da171 parsers: add a missed PyErr_NoMemory Bryan O'Sullivan <bos@serpentine.com> parents: 27365 diff changeset	955 }
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	956
28386 1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	957 for (i = len - 1; i >= 0; i--) {
25297 3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	958 int isfiltered;
3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	959 int parents[2];
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	960
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	961 /* If nothead[i] == 1, it means we've seen an unfiltered child
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	962 * of this node already, and therefore this node is not
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	963 * filtered. So we can skip the expensive check_filter step.
28386 1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	964 */
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	965 if (nothead[i] != 1) {
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	966 isfiltered = check_filter(filter, i);
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	967 if (isfiltered == -1) {
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	968 PyErr_SetString(PyExc_TypeError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	969 "unable to check filter");
28386 1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	970 goto bail;
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	971 }
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	972
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	973 if (isfiltered) {
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	974 nothead[i] = 1;
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	975 continue;
1c658391b22f parsers: optimize filtered headrevs logic Durham Goode <durham@fb.com> parents: 27638 diff changeset	976 }
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	977 }
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	978
25860 895f04955a49 parsers: silence warning of implicit integer conversion issued by clang Yuya Nishihara <yuya@tcha.org> parents: 25810 diff changeset	979 if (index_get_parents(self, i, parents, (int)len - 1) < 0)
25810 82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	980 goto bail;
25297 3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	981 for (j = 0; j < 2; j++) {
3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	982 if (parents[j] >= 0)
3966e39fea98 changelog: fix bug in heads computation Laurent Charignon <lcharignon@fb.com> parents: 25296 diff changeset	983 nothead[parents[j]] = 1;
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	984 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	985 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	986
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	987 for (i = 0; i < len; i++) {
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	988 PyObject *head;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	989
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	990 if (nothead[i])
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	991 continue;
22400 888bc106de83 parsers: fix typing issue when constructing Python integer object Henrik Stuart <hg@hstuart.dk> parents: 22399 diff changeset	992 head = PyInt_FromSsize_t(i);
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	993 if (head == NULL \|\| PyList_Append(heads, head) == -1) {
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	994 Py_XDECREF(head);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	995 goto bail;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	996 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	997 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	998
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	999 done:
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	1000 self->headrevs = heads;
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	1001 Py_XDECREF(filter);
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1002 free(nothead);
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	1003 return list_copy(self->headrevs);
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1004 bail:
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	1005 Py_XDECREF(filter);
16786 2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1006 Py_XDECREF(heads);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1007 free(nothead);
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1008 return NULL;
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1009 }
2631cd5dd244 revlog: switch to a C version of headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16784 diff changeset	1010
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1011 /**
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1012 * Obtain the base revision index entry.
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1013 *
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1014 * Callers must ensure that rev >= 0 or illegal memory access may occur.
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1015 */
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1016 static inline int index_baserev(indexObject *self, int rev)
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1017 {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1018 const char *data;
40474 f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1019 int result;
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1020
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	1021 if (rev >= self->length) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1022 PyObject *tuple =
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1023 PyList_GET_ITEM(self->added, rev - self->length);
40645 fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1024 long ret;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1025 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 3), &ret)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1026 return -2;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1027 }
41081 46e0563c67db merge with stable Yuya Nishihara <yuya@tcha.org> parents: 41055 40474 diff changeset	1028 result = (int)ret;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1029 } else {
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1030 data = index_deref(self, rev);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1031 if (data == NULL) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1032 return -2;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1033 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1034
40474 f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1035 result = getbe32(data + 16);
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1036 }
40474 f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1037 if (result > rev) {
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1038 PyErr_Format(
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1039 PyExc_ValueError,
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1040 "corrupted revlog, revision base above revision: %d, %d",
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1041 rev, result);
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1042 return -2;
f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1043 }
40475 7542466b94e2 revlog: cache delta base value under -1 Boris Feld <boris.feld@octobus.net> parents: 40474 diff changeset	1044 if (result < -1) {
7542466b94e2 revlog: cache delta base value under -1 Boris Feld <boris.feld@octobus.net> parents: 40474 diff changeset	1045 PyErr_Format(
7542466b94e2 revlog: cache delta base value under -1 Boris Feld <boris.feld@octobus.net> parents: 40474 diff changeset	1046 PyExc_ValueError,
41283 4948b327d3b9 cext: clang-format new code coming from stable branch Yuya Nishihara <yuya@tcha.org> parents: 41130 diff changeset	1047 "corrupted revlog, revision base out of range: %d, %d", rev,
4948b327d3b9 cext: clang-format new code coming from stable branch Yuya Nishihara <yuya@tcha.org> parents: 41130 diff changeset	1048 result);
40475 7542466b94e2 revlog: cache delta base value under -1 Boris Feld <boris.feld@octobus.net> parents: 40474 diff changeset	1049 return -2;
7542466b94e2 revlog: cache delta base value under -1 Boris Feld <boris.feld@octobus.net> parents: 40474 diff changeset	1050 }
40474 f4113489e4d4 revlog: catch revlog corruption in index_baserev Boris Feld <boris.feld@octobus.net> parents: 40458 diff changeset	1051 return result;
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1052 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1053
41088 a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1054 /**
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1055 * Find if a revision is a snapshot or not
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1056 *
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1057 * Only relevant for sparse-revlog case.
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1058 * Callers must ensure that rev is in a valid range.
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1059 */
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1060 static int index_issnapshotrev(indexObject *self, Py_ssize_t rev)
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1061 {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1062 int ps[2];
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1063 Py_ssize_t base;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1064 while (rev >= 0) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1065 base = (Py_ssize_t)index_baserev(self, rev);
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1066 if (base == rev) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1067 base = -1;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1068 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1069 if (base == -2) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1070 assert(PyErr_Occurred());
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1071 return -1;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1072 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1073 if (base == -1) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1074 return 1;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1075 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1076 if (index_get_parents(self, rev, ps, (int)rev) < 0) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1077 assert(PyErr_Occurred());
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1078 return -1;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1079 };
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1080 if (base == ps[0] \|\| base == ps[1]) {
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1081 return 0;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1082 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1083 rev = base;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1084 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1085 return rev == -1;
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1086 }
a6556b09bf83 revlog: add a native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41081 diff changeset	1087
41089 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1088 static PyObject index_issnapshot(indexObject self, PyObject *value)
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1089 {
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1090 long rev;
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1091 int issnap;
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1092 Py_ssize_t length = index_length(self);
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1093
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1094 if (!pylong_to_long(value, &rev)) {
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1095 return NULL;
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1096 }
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1097 if (rev < -1 \|\| rev >= length) {
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1098 PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld",
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1099 rev);
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1100 return NULL;
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1101 };
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1102 issnap = index_issnapshotrev(self, (Py_ssize_t)rev);
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1103 if (issnap < 0) {
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1104 return NULL;
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1105 };
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1106 return PyBool_FromLong((long)issnap);
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1107 }
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	1108
41111 38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1109 static PyObject index_findsnapshots(indexObject self, PyObject *args)
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1110 {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1111 Py_ssize_t start_rev;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1112 PyObject *cache;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1113 Py_ssize_t base;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1114 Py_ssize_t rev;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1115 PyObject *key = NULL;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1116 PyObject *value = NULL;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1117 const Py_ssize_t length = index_length(self);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1118 if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1119 return NULL;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1120 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1121 for (rev = start_rev; rev < length; rev++) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1122 int issnap;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1123 PyObject *allvalues = NULL;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1124 issnap = index_issnapshotrev(self, rev);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1125 if (issnap < 0) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1126 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1127 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1128 if (issnap == 0) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1129 continue;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1130 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1131 base = (Py_ssize_t)index_baserev(self, rev);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1132 if (base == rev) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1133 base = -1;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1134 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1135 if (base == -2) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1136 assert(PyErr_Occurred());
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1137 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1138 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1139 key = PyInt_FromSsize_t(base);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1140 allvalues = PyDict_GetItem(cache, key);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1141 if (allvalues == NULL && PyErr_Occurred()) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1142 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1143 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1144 if (allvalues == NULL) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1145 int r;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1146 allvalues = PyList_New(0);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1147 if (!allvalues) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1148 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1149 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1150 r = PyDict_SetItem(cache, key, allvalues);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1151 Py_DECREF(allvalues);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1152 if (r < 0) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1153 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1154 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1155 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1156 value = PyInt_FromSsize_t(rev);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1157 if (PyList_Append(allvalues, value)) {
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1158 goto bail;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1159 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1160 Py_CLEAR(key);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1161 Py_CLEAR(value);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1162 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1163 Py_RETURN_NONE;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1164 bail:
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1165 Py_XDECREF(key);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1166 Py_XDECREF(value);
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1167 return NULL;
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1168 }
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	1169
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1170 static PyObject index_deltachain(indexObject self, PyObject *args)
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1171 {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1172 int rev, generaldelta;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1173 PyObject *stoparg;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1174 int stoprev, iterrev, baserev = -1;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1175 int stopped;
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1176 PyObject chain = NULL, result = NULL;
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	1177 const Py_ssize_t length = index_length(self);
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1178
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1179 if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1180 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1181 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1182
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1183 if (PyInt_Check(stoparg)) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1184 stoprev = (int)PyInt_AsLong(stoparg);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1185 if (stoprev == -1 && PyErr_Occurred()) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1186 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1187 }
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1188 } else if (stoparg == Py_None) {
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1189 stoprev = -2;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1190 } else {
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1191 PyErr_SetString(PyExc_ValueError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1192 "stoprev must be integer or None");
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1193 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1194 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1195
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	1196 if (rev < 0 \|\| rev >= length) {
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1197 PyErr_SetString(PyExc_ValueError, "revlog index out of range");
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1198 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1199 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1200
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1201 chain = PyList_New(0);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1202 if (chain == NULL) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1203 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1204 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1205
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1206 baserev = index_baserev(self, rev);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1207
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1208 /* This should never happen. */
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1209 if (baserev <= -2) {
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1210 /* Error should be set by index_deref() */
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1211 assert(PyErr_Occurred());
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1212 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1213 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1214
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1215 iterrev = rev;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1216
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1217 while (iterrev != baserev && iterrev != stoprev) {
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1218 PyObject *value = PyInt_FromLong(iterrev);
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1219 if (value == NULL) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1220 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1221 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1222 if (PyList_Append(chain, value)) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1223 Py_DECREF(value);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1224 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1225 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1226 Py_DECREF(value);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1227
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1228 if (generaldelta) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1229 iterrev = baserev;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1230 } else {
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1231 iterrev--;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1232 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1233
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1234 if (iterrev < 0) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1235 break;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1236 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1237
38907 0db50770f388 index: don't add 1 to length variables Martin von Zweigbergk <martinvonz@google.com> parents: 38906 diff changeset	1238 if (iterrev >= length) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1239 PyErr_SetString(PyExc_IndexError,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1240 "revision outside index");
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1241 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1242 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1243
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1244 baserev = index_baserev(self, iterrev);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1245
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1246 /* This should never happen. */
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1247 if (baserev <= -2) {
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1248 /* Error should be set by index_deref() */
f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1249 assert(PyErr_Occurred());
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1250 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1251 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1252 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1253
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1254 if (iterrev == stoprev) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1255 stopped = 1;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1256 } else {
33176 f4f52bb362e6 revlog: address review feedback for deltachain C implementation Gregory Szorc <gregory.szorc@gmail.com> parents: 33173 diff changeset	1257 PyObject *value = PyInt_FromLong(iterrev);
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1258 if (value == NULL) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1259 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1260 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1261 if (PyList_Append(chain, value)) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1262 Py_DECREF(value);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1263 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1264 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1265 Py_DECREF(value);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1266
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1267 stopped = 0;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1268 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1269
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1270 if (PyList_Reverse(chain)) {
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1271 goto bail;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1272 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1273
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1274 result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1275 Py_DECREF(chain);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1276 return result;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1277
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1278 bail:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1279 Py_DECREF(chain);
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1280 return NULL;
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1281 }
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32422 diff changeset	1282
40744 4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1283 static inline int64_t
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1284 index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev)
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1285 {
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1286 int64_t start_offset;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1287 int64_t end_offset;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1288 int end_size;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1289 start_offset = index_get_start(self, start_rev);
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1290 if (start_offset < 0) {
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1291 return -1;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1292 }
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1293 end_offset = index_get_start(self, end_rev);
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1294 if (end_offset < 0) {
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1295 return -1;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1296 }
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1297 end_size = index_get_length(self, end_rev);
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1298 if (end_size < 0) {
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1299 return -1;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1300 }
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1301 if (end_offset < start_offset) {
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1302 PyErr_Format(PyExc_ValueError,
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1303 "corrupted revlog index: inconsistent offset "
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1304 "between revisions (%zd) and (%zd)",
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1305 start_rev, end_rev);
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1306 return -1;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1307 }
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1308 return (end_offset - start_offset) + (int64_t)end_size;
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1309 }
4ec6a24029d2 sparse-revlog: add a `index_segment_span` function in C Boris Feld <boris.feld@octobus.net> parents: 40743 diff changeset	1310
40776 8edca70dc951 revlog: update the documentation for `trim_endidx` Boris Feld <boris.feld@octobus.net> parents: 40775 diff changeset	1311 /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */
40745 0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1312 static Py_ssize_t trim_endidx(indexObject self, const Py_ssize_t revs,
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1313 Py_ssize_t startidx, Py_ssize_t endidx)
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1314 {
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1315 int length;
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1316 while (endidx > 1 && endidx > startidx) {
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1317 length = index_get_length(self, revs[endidx - 1]);
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1318 if (length < 0) {
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1319 return -1;
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1320 }
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1321 if (length != 0) {
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1322 break;
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1323 }
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1324 endidx -= 1;
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1325 }
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1326 return endidx;
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1327 }
0650be877a37 sparse-revlog: add a `trim_endidx` function in C Boris Feld <boris.feld@octobus.net> parents: 40744 diff changeset	1328
40746 cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1329 struct Gap {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1330 int64_t size;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1331 Py_ssize_t idx;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1332 };
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1333
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1334 static int gap_compare(const void left, const void right)
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1335 {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1336 const struct Gap l_left = ((const struct Gap )left);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1337 const struct Gap l_right = ((const struct Gap )right);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1338 if (l_left->size < l_right->size) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1339 return -1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1340 } else if (l_left->size > l_right->size) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1341 return 1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1342 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1343 return 0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1344 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1345 static int Py_ssize_t_compare(const void left, const void right)
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1346 {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1347 const Py_ssize_t l_left = (const Py_ssize_t )left;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1348 const Py_ssize_t l_right = (const Py_ssize_t )right;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1349 if (l_left < l_right) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1350 return -1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1351 } else if (l_left > l_right) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1352 return 1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1353 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1354 return 0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1355 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1356
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1357 static PyObject index_slicechunktodensity(indexObject self, PyObject *args)
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1358 {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1359 /* method arguments */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1360 PyObject list_revs = NULL; / revisions in the chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1361 double targetdensity = 0; /* min density to achieve */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1362 Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1363
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1364 /* other core variables */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1365 Py_ssize_t idxlen = index_length(self);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1366 Py_ssize_t i; /* used for various iteration */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1367 PyObject result = NULL; / the final return of the function */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1368
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1369 /* generic information about the delta chain being slice */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1370 Py_ssize_t num_revs = 0; /* size of the full delta chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1371 Py_ssize_t revs = NULL; / native array of revision in the chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1372 int64_t chainpayload = 0; /* sum of all delta in the chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1373 int64_t deltachainspan = 0; /* distance from first byte to last byte */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1374
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1375 /* variable used for slicing the delta chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1376 int64_t readdata = 0; /* amount of data currently planned to be read */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1377 double density = 0; /* ration of payload data compared to read ones */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1378 int64_t previous_end;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1379 struct Gap gaps = NULL; / array of notable gap in the chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1380 Py_ssize_t num_gaps =
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1381 0; /* total number of notable gap recorded so far */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1382 Py_ssize_t selected_indices = NULL; / indices of gap skipped over */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1383 Py_ssize_t num_selected = 0; /* number of gaps skipped */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1384 PyObject chunk = NULL; / individual slice */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1385 PyObject allchunks = NULL; / all slices */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1386 Py_ssize_t previdx;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1387
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1388 /* parsing argument */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1389 if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs,
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1390 &targetdensity, &mingapsize)) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1391 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1392 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1393
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1394 /* If the delta chain contains a single element, we do not need slicing
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1395 */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1396 num_revs = PyList_GET_SIZE(list_revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1397 if (num_revs <= 1) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1398 result = PyTuple_Pack(1, list_revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1399 goto done;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1400 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1401
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1402 /* Turn the python list into a native integer array (for efficiency) */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1403 revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t));
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1404 if (revs == NULL) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1405 PyErr_NoMemory();
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1406 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1407 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1408 for (i = 0; i < num_revs; i++) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1409 Py_ssize_t revnum = PyInt_AsLong(PyList_GET_ITEM(list_revs, i));
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1410 if (revnum == -1 && PyErr_Occurred()) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1411 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1412 }
40976 2e305e54eae3 sparse-revlog: protect C code against delta chain including nullrev Boris Feld <boris.feld@octobus.net> parents: 40975 diff changeset	1413 if (revnum < nullrev \|\| revnum >= idxlen) {
40790 c85964d715fd sparse: raise a move verbose index error from the C code Boris Feld <boris.feld@octobus.net> parents: 40776 diff changeset	1414 PyErr_Format(PyExc_IndexError,
c85964d715fd sparse: raise a move verbose index error from the C code Boris Feld <boris.feld@octobus.net> parents: 40776 diff changeset	1415 "index out of range: %zd", revnum);
40746 cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1416 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1417 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1418 revs[i] = revnum;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1419 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1420
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1421 /* Compute and check various property of the unsliced delta chain */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1422 deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1423 if (deltachainspan < 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1424 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1425 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1426
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1427 if (deltachainspan <= mingapsize) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1428 result = PyTuple_Pack(1, list_revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1429 goto done;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1430 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1431 chainpayload = 0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1432 for (i = 0; i < num_revs; i++) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1433 int tmp = index_get_length(self, revs[i]);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1434 if (tmp < 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1435 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1436 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1437 chainpayload += tmp;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1438 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1439
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1440 readdata = deltachainspan;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1441 density = 1.0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1442
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1443 if (0 < deltachainspan) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1444 density = (double)chainpayload / (double)deltachainspan;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1445 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1446
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1447 if (density >= targetdensity) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1448 result = PyTuple_Pack(1, list_revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1449 goto done;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1450 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1451
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1452 /* if chain is too sparse, look for relevant gaps */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1453 gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap));
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1454 if (gaps == NULL) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1455 PyErr_NoMemory();
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1456 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1457 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1458
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1459 previous_end = -1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1460 for (i = 0; i < num_revs; i++) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1461 int64_t revstart;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1462 int revsize;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1463 revstart = index_get_start(self, revs[i]);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1464 if (revstart < 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1465 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1466 };
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1467 revsize = index_get_length(self, revs[i]);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1468 if (revsize < 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1469 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1470 };
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1471 if (revsize == 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1472 continue;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1473 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1474 if (previous_end >= 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1475 int64_t gapsize = revstart - previous_end;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1476 if (gapsize > mingapsize) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1477 gaps[num_gaps].size = gapsize;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1478 gaps[num_gaps].idx = i;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1479 num_gaps += 1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1480 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1481 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1482 previous_end = revstart + revsize;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1483 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1484 if (num_gaps == 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1485 result = PyTuple_Pack(1, list_revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1486 goto done;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1487 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1488 qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1489
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1490 /* Slice the largest gap first, they improve the density the most */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1491 selected_indices =
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1492 (Py_ssize_t )malloc((num_gaps + 1) sizeof(Py_ssize_t));
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1493 if (selected_indices == NULL) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1494 PyErr_NoMemory();
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1495 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1496 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1497
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1498 for (i = num_gaps - 1; i >= 0; i--) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1499 selected_indices[num_selected] = gaps[i].idx;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1500 readdata -= gaps[i].size;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1501 num_selected += 1;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1502 if (readdata <= 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1503 density = 1.0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1504 } else {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1505 density = (double)chainpayload / (double)readdata;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1506 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1507 if (density >= targetdensity) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1508 break;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1509 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1510 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1511 qsort(selected_indices, num_selected, sizeof(Py_ssize_t),
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1512 &Py_ssize_t_compare);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1513
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1514 /* create the resulting slice */
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1515 allchunks = PyList_New(0);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1516 if (allchunks == NULL) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1517 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1518 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1519 previdx = 0;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1520 selected_indices[num_selected] = num_revs;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1521 for (i = 0; i <= num_selected; i++) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1522 Py_ssize_t idx = selected_indices[i];
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1523 Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1524 if (endidx < 0) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1525 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1526 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1527 if (previdx < endidx) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1528 chunk = PyList_GetSlice(list_revs, previdx, endidx);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1529 if (chunk == NULL) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1530 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1531 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1532 if (PyList_Append(allchunks, chunk) == -1) {
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1533 goto bail;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1534 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1535 Py_DECREF(chunk);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1536 chunk = NULL;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1537 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1538 previdx = idx;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1539 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1540 result = allchunks;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1541 goto done;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1542
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1543 bail:
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1544 Py_XDECREF(allchunks);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1545 Py_XDECREF(chunk);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1546 done:
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1547 free(revs);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1548 free(gaps);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1549 free(selected_indices);
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1550 return result;
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1551 }
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	1552
16618 6bae941b58ad parsers: change the type of nt_level Bryan O'Sullivan <bryano@fb.com> parents: 16617 diff changeset	1553 static inline int nt_level(const char *node, Py_ssize_t level)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1554 {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1555 int v = node[level >> 1];
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1556 if (!(level & 1))
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1557 v >>= 4;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1558 return v & 0xf;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1559 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1560
16616 8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1561 /*
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1562 * Return values:
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1563 *
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1564 * -4: match is ambiguous (multiple candidates)
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1565 * -2: not found
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1566 * rest: valid rev
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1567 */
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1568 static int nt_find(nodetree self, const char node, Py_ssize_t nodelen,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1569 int hex)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1570 {
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1571 int (getnybble)(const char , Py_ssize_t) = hex ? hexdigit : nt_level;
16641 e6dfbc5df76f parsers: use the correct maximum radix tree depth Bryan O'Sullivan <bryano@fb.com> parents: 16604 diff changeset	1572 int level, maxlevel, off;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1573
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1574 if (nodelen == 20 && node[0] == '\0' && memcmp(node, nullid, 20) == 0)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1575 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1576
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1577 if (hex)
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	1578 maxlevel = nodelen > 40 ? 40 : (int)nodelen;
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1579 else
a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1580 maxlevel = nodelen > 20 ? 40 : ((int)nodelen * 2);
16641 e6dfbc5df76f parsers: use the correct maximum radix tree depth Bryan O'Sullivan <bryano@fb.com> parents: 16604 diff changeset	1581
e6dfbc5df76f parsers: use the correct maximum radix tree depth Bryan O'Sullivan <bryano@fb.com> parents: 16604 diff changeset	1582 for (level = off = 0; level < maxlevel; level++) {
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1583 int k = getnybble(node, level);
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1584 nodetreenode *n = &self->nodes[off];
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1585 int v = n->children[k];
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1586
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1587 if (v < 0) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1588 const char *n;
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1589 Py_ssize_t i;
a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1590
38885 f738c502e43b index: store nullrev as -1 in nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38884 diff changeset	1591 v = -(v + 2);
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1592 n = index_node(self->index, v);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1593 if (n == NULL)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1594 return -2;
16663 a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1595 for (i = level; i < maxlevel; i++)
a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1596 if (getnybble(node, i) != nt_level(n, i))
a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1597 return -2;
a955e05dd7a0 parsers: allow hex keys Bryan O'Sullivan <bryano@fb.com> parents: 16642 diff changeset	1598 return v;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1599 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1600 if (v == 0)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1601 return -2;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1602 off = v;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1603 }
16616 8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1604 /* multiple matches against an ambiguous prefix */
8f79aabd96f6 parsers: allow nt_find to signal an ambiguous match Bryan O'Sullivan <bryano@fb.com> parents: 16615 diff changeset	1605 return -4;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1606 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1607
38954 fff675dfb80b index: pass only nodetree to nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38953 diff changeset	1608 static int nt_new(nodetree *self)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1609 {
38954 fff675dfb80b index: pass only nodetree to nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38953 diff changeset	1610 if (self->length == self->capacity) {
38976 dcd395dc98d8 index: remove side-effect from failed nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38975 diff changeset	1611 unsigned newcapacity;
dcd395dc98d8 index: remove side-effect from failed nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38975 diff changeset	1612 nodetreenode *newnodes;
39108 06ff7ea4f440 index: avoid duplicating capacity-growth expression Martin von Zweigbergk <martinvonz@google.com> parents: 39107 diff changeset	1613 newcapacity = self->capacity * 2;
06ff7ea4f440 index: avoid duplicating capacity-growth expression Martin von Zweigbergk <martinvonz@google.com> parents: 39107 diff changeset	1614 if (newcapacity >= INT_MAX / sizeof(nodetreenode)) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1615 PyErr_SetString(PyExc_MemoryError,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1616 "overflow in nt_new");
24623 2262d7bc469e parsers: check for memory allocation overflows more carefully Bryan O'Sullivan <bryano@fb.com> parents: 24622 diff changeset	1617 return -1;
2262d7bc469e parsers: check for memory allocation overflows more carefully Bryan O'Sullivan <bryano@fb.com> parents: 24622 diff changeset	1618 }
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1619 newnodes =
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1620 realloc(self->nodes, newcapacity * sizeof(nodetreenode));
38976 dcd395dc98d8 index: remove side-effect from failed nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38975 diff changeset	1621 if (newnodes == NULL) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1622 PyErr_SetString(PyExc_MemoryError, "out of memory");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1623 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1624 }
38976 dcd395dc98d8 index: remove side-effect from failed nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38975 diff changeset	1625 self->capacity = newcapacity;
dcd395dc98d8 index: remove side-effect from failed nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38975 diff changeset	1626 self->nodes = newnodes;
38954 fff675dfb80b index: pass only nodetree to nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38953 diff changeset	1627 memset(&self->nodes[self->length], 0,
fff675dfb80b index: pass only nodetree to nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38953 diff changeset	1628 sizeof(nodetreenode) * (self->capacity - self->length));
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1629 }
38954 fff675dfb80b index: pass only nodetree to nt_new() Martin von Zweigbergk <martinvonz@google.com> parents: 38953 diff changeset	1630 return self->length++;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1631 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1632
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1633 static int nt_insert(nodetree self, const char node, int rev)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1634 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1635 int level = 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1636 int off = 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1637
16641 e6dfbc5df76f parsers: use the correct maximum radix tree depth Bryan O'Sullivan <bryano@fb.com> parents: 16604 diff changeset	1638 while (level < 40) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1639 int k = nt_level(node, level);
38951 d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	1640 nodetreenode *n;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1641 int v;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1642
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1643 n = &self->nodes[off];
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1644 v = n->children[k];
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1645
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1646 if (v == 0) {
38885 f738c502e43b index: store nullrev as -1 in nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38884 diff changeset	1647 n->children[k] = -rev - 2;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1648 return 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1649 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1650 if (v < 0) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1651 const char *oldnode =
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1652 index_node_existing(self->index, -(v + 2));
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1653 int noff;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1654
38042 514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	1655 if (oldnode == NULL)
514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	1656 return -1;
514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	1657 if (!memcmp(oldnode, node, 20)) {
38885 f738c502e43b index: store nullrev as -1 in nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38884 diff changeset	1658 n->children[k] = -rev - 2;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1659 return 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1660 }
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1661 noff = nt_new(self);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1662 if (noff == -1)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1663 return -1;
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1664 /* self->nodes may have been changed by realloc */
b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1665 self->nodes[off].children[k] = noff;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1666 off = noff;
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1667 n = &self->nodes[off];
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1668 n->children[nt_level(oldnode, ++level)] = v;
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1669 if (level > self->depth)
b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1670 self->depth = level;
b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1671 self->splits += 1;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1672 } else {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1673 level += 1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1674 off = v;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1675 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1676 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1677
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1678 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1679 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1680
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1681 static PyObject ntobj_insert(nodetreeObject self, PyObject *args)
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1682 {
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1683 Py_ssize_t rev;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1684 const char *node;
39255 42cc76d0f836 cext: fix revlog compiler error on Windows Matt Harbison <matt_harbison@yahoo.com> parents: 39254 diff changeset	1685 Py_ssize_t length;
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1686 if (!PyArg_ParseTuple(args, "n", &rev))
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1687 return NULL;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1688 length = index_length(self->nt.index);
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1689 if (rev < 0 \|\| rev >= length) {
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1690 PyErr_SetString(PyExc_ValueError, "revlog index out of range");
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1691 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1692 }
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1693 node = index_node_existing(self->nt.index, rev);
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1694 if (nt_insert(&self->nt, node, (int)rev) == -1)
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1695 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1696 Py_RETURN_NONE;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1697 }
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1698
38978 b6fb71a0a005 index: make most "nt_" functions take a nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38977 diff changeset	1699 static int nt_delete_node(nodetree self, const char node)
38884 f9fc59ea3135 index: create function for deleting node from nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38861 diff changeset	1700 {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1701 /* rev==-2 happens to get encoded as 0, which is interpreted as not set
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1702 */
38885 f738c502e43b index: store nullrev as -1 in nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38884 diff changeset	1703 return nt_insert(self, node, -2);
38884 f9fc59ea3135 index: create function for deleting node from nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38861 diff changeset	1704 }
f9fc59ea3135 index: create function for deleting node from nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38861 diff changeset	1705
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1706 static int nt_init(nodetree self, indexObject index, unsigned capacity)
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1707 {
39253 fcaffbd7e635 index: fix a comment about overflow-checking Martin von Zweigbergk <martinvonz@google.com> parents: 39247 diff changeset	1708 /* Initialize before overflow-checking to avoid nt_dealloc() crash. */
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1709 self->nodes = NULL;
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1710
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1711 self->index = index;
39109 34eb999e29bf index: make capacity argument to nt_init be measured in revisions Martin von Zweigbergk <martinvonz@google.com> parents: 39108 diff changeset	1712 /* The input capacity is in terms of revisions, while the field is in
34eb999e29bf index: make capacity argument to nt_init be measured in revisions Martin von Zweigbergk <martinvonz@google.com> parents: 39108 diff changeset	1713 * terms of nodetree nodes. */
34eb999e29bf index: make capacity argument to nt_init be measured in revisions Martin von Zweigbergk <martinvonz@google.com> parents: 39108 diff changeset	1714 self->capacity = (capacity < 4 ? 4 : capacity / 2);
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1715 self->depth = 0;
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1716 self->splits = 0;
39107 4dd92a15fcca index: move check for too large capacity into nt_init() Martin von Zweigbergk <martinvonz@google.com> parents: 39106 diff changeset	1717 if ((size_t)self->capacity > INT_MAX / sizeof(nodetreenode)) {
4dd92a15fcca index: move check for too large capacity into nt_init() Martin von Zweigbergk <martinvonz@google.com> parents: 39106 diff changeset	1718 PyErr_SetString(PyExc_ValueError, "overflow in init_nt");
4dd92a15fcca index: move check for too large capacity into nt_init() Martin von Zweigbergk <martinvonz@google.com> parents: 39106 diff changeset	1719 return -1;
4dd92a15fcca index: move check for too large capacity into nt_init() Martin von Zweigbergk <martinvonz@google.com> parents: 39106 diff changeset	1720 }
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1721 self->nodes = calloc(self->capacity, sizeof(nodetreenode));
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1722 if (self->nodes == NULL) {
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1723 PyErr_NoMemory();
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1724 return -1;
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1725 }
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1726 self->length = 1;
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1727 return 0;
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1728 }
c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1729
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1730 static int ntobj_init(nodetreeObject self, PyObject args)
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1731 {
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1732 PyObject *index;
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1733 unsigned capacity;
40878 18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	1734 if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index,
18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	1735 &capacity))
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1736 return -1;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1737 Py_INCREF(index);
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1738 return nt_init(&self->nt, (indexObject *)index, capacity);
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1739 }
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1740
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1741 static int nt_partialmatch(nodetree self, const char node, Py_ssize_t nodelen)
38981 2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1742 {
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1743 return nt_find(self, node, nodelen, 1);
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1744 }
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1745
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1746 /*
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1747 * Find the length of the shortest unique prefix of node.
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1748 *
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1749 * Return values:
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1750 *
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1751 * -3: error (exception set)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1752 * -2: not found (no exception set)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1753 * rest: length of shortest prefix
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1754 */
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1755 static int nt_shortest(nodetree self, const char node)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1756 {
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1757 int level, off;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1758
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1759 for (level = off = 0; level < 40; level++) {
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1760 int k, v;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1761 nodetreenode *n = &self->nodes[off];
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1762 k = nt_level(node, level);
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1763 v = n->children[k];
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1764 if (v < 0) {
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1765 const char *n;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1766 v = -(v + 2);
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1767 n = index_node_existing(self->index, v);
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1768 if (n == NULL)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1769 return -3;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1770 if (memcmp(node, n, 20) != 0)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1771 /*
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1772 * Found a unique prefix, but it wasn't for the
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1773 * requested node (i.e the requested node does
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1774 * not exist).
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1775 */
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1776 return -2;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1777 return level + 1;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1778 }
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1779 if (v == 0)
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1780 return -2;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1781 off = v;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1782 }
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1783 /*
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1784 * The node was still not unique after 40 hex digits, so this won't
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1785 * happen. Also, if we get here, then there's a programming error in
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1786 * this file that made us insert a node longer than 40 hex digits.
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1787 */
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1788 PyErr_SetString(PyExc_Exception, "broken node tree");
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1789 return -3;
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1790 }
2b89e20c450c index: move all "nt_" functions to one place Martin von Zweigbergk <martinvonz@google.com>* parents: 38980 diff changeset	1791
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1792 static PyObject ntobj_shortest(nodetreeObject self, PyObject *args)
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1793 {
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1794 PyObject *val;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1795 char *node;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1796 int length;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1797
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1798 if (!PyArg_ParseTuple(args, "O", &val))
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1799 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1800 if (node_check(val, &node) == -1)
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1801 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1802
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1803 length = nt_shortest(&self->nt, node);
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1804 if (length == -3)
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1805 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1806 if (length == -2) {
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1807 raise_revlog_error();
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1808 return NULL;
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1809 }
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1810 return PyInt_FromLong(length);
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1811 }
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1812
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1813 static void nt_dealloc(nodetree *self)
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1814 {
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1815 free(self->nodes);
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1816 self->nodes = NULL;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1817 }
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1818
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1819 static void ntobj_dealloc(nodetreeObject *self)
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1820 {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1821 Py_XDECREF(self->nt.index);
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1822 nt_dealloc(&self->nt);
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1823 PyObject_Del(self);
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1824 }
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1825
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1826 static PyMethodDef ntobj_methods[] = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1827 {"insert", (PyCFunction)ntobj_insert, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1828 "insert an index entry"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1829 {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1830 "find length of shortest hex nodeid of a binary ID"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1831 {NULL} /* Sentinel */
39254 7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1832 };
7a759ad2d06d shortest: use nodetree for finding shortest node within revset Martin von Zweigbergk <martinvonz@google.com> parents: 39253 diff changeset	1833
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1834 static PyTypeObject nodetreeType = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1835 PyVarObject_HEAD_INIT(NULL, 0) /* header */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1836 "parsers.nodetree", /* tp_name */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1837 sizeof(nodetreeObject), /* tp_basicsize */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1838 0, /* tp_itemsize */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1839 (destructor)ntobj_dealloc, /* tp_dealloc */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1840 0, /* tp_print */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1841 0, /* tp_getattr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1842 0, /* tp_setattr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1843 0, /* tp_compare */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1844 0, /* tp_repr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1845 0, /* tp_as_number */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1846 0, /* tp_as_sequence */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1847 0, /* tp_as_mapping */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1848 0, /* tp_hash */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1849 0, /* tp_call */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1850 0, /* tp_str */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1851 0, /* tp_getattro */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1852 0, /* tp_setattro */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1853 0, /* tp_as_buffer */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1854 Py_TPFLAGS_DEFAULT, /* tp_flags */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1855 "nodetree", /* tp_doc */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1856 0, /* tp_traverse */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1857 0, /* tp_clear */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1858 0, /* tp_richcompare */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1859 0, /* tp_weaklistoffset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1860 0, /* tp_iter */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1861 0, /* tp_iternext */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1862 ntobj_methods, /* tp_methods */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1863 0, /* tp_members */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1864 0, /* tp_getset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1865 0, /* tp_base */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1866 0, /* tp_dict */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1867 0, /* tp_descr_get */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1868 0, /* tp_descr_set */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1869 0, /* tp_dictoffset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1870 (initproc)ntobj_init, /* tp_init */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1871 0, /* tp_alloc */
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1872 };
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	1873
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1874 static int index_init_nt(indexObject *self)
16615 96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1875 {
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1876 if (!self->ntinitialized) {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1877 if (nt_init(&self->nt, self, (int)self->raw_length) == -1) {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1878 nt_dealloc(&self->nt);
38951 d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	1879 return -1;
d1bc0e7c862b index: extract a type for the nodetree Martin von Zweigbergk <martinvonz@google.com> parents: 38950 diff changeset	1880 }
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1881 if (nt_insert(&self->nt, nullid, -1) == -1) {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1882 nt_dealloc(&self->nt);
16615 96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1883 return -1;
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1884 }
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1885 self->ntinitialized = 1;
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	1886 self->ntrev = (int)index_length(self);
16615 96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1887 self->ntlookups = 1;
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1888 self->ntmisses = 0;
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1889 }
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1890 return 0;
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1891 }
96fa9dd1db38 parsers: factor out radix tree initialization Bryan O'Sullivan <bryano@fb.com> parents: 16614 diff changeset	1892
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1893 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1894 * Return values:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1895 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1896 * -3: error (exception set)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1897 * -2: not found (no exception set)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1898 * rest: valid rev
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1899 */
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1900 static int index_find_node(indexObject self, const char node,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1901 Py_ssize_t nodelen)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1902 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1903 int rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1904
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	1905 if (index_init_nt(self) == -1)
38860 44bbc89ec5e0 revlog: remove micro-optimization for looking up only nullid Martin von Zweigbergk <martinvonz@google.com> parents: 38859 diff changeset	1906 return -3;
44bbc89ec5e0 revlog: remove micro-optimization for looking up only nullid Martin von Zweigbergk <martinvonz@google.com> parents: 38859 diff changeset	1907
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1908 self->ntlookups++;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1909 rev = nt_find(&self->nt, node, nodelen, 0);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1910 if (rev >= -1)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1911 return rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1912
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1913 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1914 * For the first handful of lookups, we scan the entire index,
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1915 * and cache only the matching nodes. This optimizes for cases
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1916 * like "hg tip", where only a few nodes are accessed.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1917 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1918 * After that, we cache every node we visit, using a single
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1919 * scan amortized over multiple lookups. This gives the best
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1920 * bulk performance, e.g. for "hg log".
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1921 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1922 if (self->ntmisses++ < 4) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1923 for (rev = self->ntrev - 1; rev >= 0; rev--) {
37905 a9d9802d577e revlog: don't say "not found" on internal error Martin von Zweigbergk <martinvonz@google.com> parents: 37904 diff changeset	1924 const char *n = index_node_existing(self, rev);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1925 if (n == NULL)
37905 a9d9802d577e revlog: don't say "not found" on internal error Martin von Zweigbergk <martinvonz@google.com> parents: 37904 diff changeset	1926 return -3;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1927 if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) {
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1928 if (nt_insert(&self->nt, n, rev) == -1)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1929 return -3;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1930 break;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1931 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1932 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1933 } else {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1934 for (rev = self->ntrev - 1; rev >= 0; rev--) {
37905 a9d9802d577e revlog: don't say "not found" on internal error Martin von Zweigbergk <martinvonz@google.com> parents: 37904 diff changeset	1935 const char *n = index_node_existing(self, rev);
a9d9802d577e revlog: don't say "not found" on internal error Martin von Zweigbergk <martinvonz@google.com> parents: 37904 diff changeset	1936 if (n == NULL)
a9d9802d577e revlog: don't say "not found" on internal error Martin von Zweigbergk <martinvonz@google.com> parents: 37904 diff changeset	1937 return -3;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1938 if (nt_insert(&self->nt, n, rev) == -1) {
16614 1d800eb9ba52 parsers: update ntrev when we stop scanning Bryan O'Sullivan <bryano@fb.com> parents: 16597 diff changeset	1939 self->ntrev = rev + 1;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1940 return -3;
16614 1d800eb9ba52 parsers: update ntrev when we stop scanning Bryan O'Sullivan <bryano@fb.com> parents: 16597 diff changeset	1941 }
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1942 if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1943 break;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1944 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1945 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1946 self->ntrev = rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1947 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1948
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1949 if (rev >= 0)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1950 return rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1951 return -2;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1952 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1953
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1954 static PyObject index_getitem(indexObject self, PyObject *value)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1955 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1956 char *node;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1957 int rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1958
40645 fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1959 if (PyInt_Check(value)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1960 long idx;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1961 if (!pylong_to_long(value, &idx)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1962 return NULL;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1963 }
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1964 return index_get(self, idx);
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	1965 }
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1966
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	1967 if (node_check(value, &node) == -1)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1968 return NULL;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	1969 rev = index_find_node(self, node, 20);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1970 if (rev >= -1)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1971 return PyInt_FromLong(rev);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1972 if (rev == -2)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1973 raise_revlog_error();
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1974 return NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1975 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	1976
37973 9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1977 /*
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1978 * Fully populate the radix tree.
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1979 */
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1980 static int index_populate_nt(indexObject *self)
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	1981 {
37973 9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1982 int rev;
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1983 if (self->ntrev > 0) {
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1984 for (rev = self->ntrev - 1; rev >= 0; rev--) {
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1985 const char *n = index_node_existing(self, rev);
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1986 if (n == NULL)
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1987 return -1;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	1988 if (nt_insert(&self->nt, n, rev) == -1)
37973 9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1989 return -1;
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1990 }
37974 892592475094 revlog: use literal -1 instead of variable that always has that value Martin von Zweigbergk <martinvonz@google.com> parents: 37973 diff changeset	1991 self->ntrev = -1;
37973 9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1992 }
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1993 return 0;
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1994 }
9c6d1d41b3e6 revlog: extract function for fully populating the radix tree Martin von Zweigbergk <martinvonz@google.com> parents: 37905 diff changeset	1995
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	1996 static PyObject index_partialmatch(indexObject self, PyObject *args)
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	1997 {
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	1998 const char *fullnode;
42067 b01bbb8ff1f2 cext: make revlog.c PY_SSIZE_T_CLEAN Gregory Szorc <gregory.szorc@gmail.com> parents: 41283 diff changeset	1999 Py_ssize_t nodelen;
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2000 char *node;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2001 int rev, i;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2002
36649 186c6df3a373 py3: bulk-replace 'const char' format specifier passed to PyArg_ParseTuple() Yuya Nishihara <yuya@tcha.org> parents: 36648 diff changeset	2003 if (!PyArg_ParseTuple(args, PY23("s#", "y#"), &node, &nodelen))
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2004 return NULL;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2005
37902 92ed344a9e64 revlog: use radix tree also for matching keys shorter than 4 hex digits Martin von Zweigbergk <martinvonz@google.com> parents: 36652 diff changeset	2006 if (nodelen < 1) {
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2007 PyErr_SetString(PyExc_ValueError, "key too short");
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2008 return NULL;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2009 }
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2010
17353 bde1185f406c revlog: don't try to partialmatch strings those length > 40 sorcerer parents: 17165 diff changeset	2011 if (nodelen > 40) {
bde1185f406c revlog: don't try to partialmatch strings those length > 40 sorcerer parents: 17165 diff changeset	2012 PyErr_SetString(PyExc_ValueError, "key too long");
bde1185f406c revlog: don't try to partialmatch strings those length > 40 sorcerer parents: 17165 diff changeset	2013 return NULL;
bde1185f406c revlog: don't try to partialmatch strings those length > 40 sorcerer parents: 17165 diff changeset	2014 }
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2015
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2016 for (i = 0; i < nodelen; i++)
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2017 hexdigit(node, i);
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2018 if (PyErr_Occurred()) {
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2019 /* input contains non-hex characters */
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2020 PyErr_Clear();
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2021 Py_RETURN_NONE;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2022 }
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2023
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	2024 if (index_init_nt(self) == -1)
38950 2aa4f06c1e91 index: make "nt_" functions work on an initialized nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38907 diff changeset	2025 return NULL;
38980 3e74c01102af index: rename "nt_(indexObject self,...)" functions to "index_" Martin von Zweigbergk <martinvonz@google.com>* parents: 38979 diff changeset	2026 if (index_populate_nt(self) == -1)
38950 2aa4f06c1e91 index: make "nt_" functions work on an initialized nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38907 diff changeset	2027 return NULL;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2028 rev = nt_partialmatch(&self->nt, node, nodelen);
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2029
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2030 switch (rev) {
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2031 case -4:
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2032 raise_revlog_error();
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2033 return NULL;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2034 case -2:
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2035 Py_RETURN_NONE;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2036 case -1:
30100 c5afe5531709 parsers: convert PyString* to PyBytes* Gregory Szorc <gregory.szorc@gmail.com> parents: 30090 diff changeset	2037 return PyBytes_FromStringAndSize(nullid, 20);
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2038 }
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2039
37904 a91f31a1e281 revlog: extract function for getting node from known-to-exist rev Martin von Zweigbergk <martinvonz@google.com> parents: 37902 diff changeset	2040 fullnode = index_node_existing(self, rev);
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2041 if (fullnode == NULL) {
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2042 return NULL;
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2043 }
30100 c5afe5531709 parsers: convert PyString* to PyBytes* Gregory Szorc <gregory.szorc@gmail.com> parents: 30090 diff changeset	2044 return PyBytes_FromStringAndSize(fullnode, 20);
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2045 }
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16664 diff changeset	2046
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2047 static PyObject index_shortest(indexObject self, PyObject *args)
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2048 {
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2049 PyObject *val;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2050 char *node;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2051 int length;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2052
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2053 if (!PyArg_ParseTuple(args, "O", &val))
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2054 return NULL;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2055 if (node_check(val, &node) == -1)
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2056 return NULL;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2057
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2058 self->ntlookups++;
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	2059 if (index_init_nt(self) == -1)
38950 2aa4f06c1e91 index: make "nt_" functions work on an initialized nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38907 diff changeset	2060 return NULL;
38980 3e74c01102af index: rename "nt_(indexObject self,...)" functions to "index_" Martin von Zweigbergk <martinvonz@google.com>* parents: 38979 diff changeset	2061 if (index_populate_nt(self) == -1)
38950 2aa4f06c1e91 index: make "nt_" functions work on an initialized nodetree Martin von Zweigbergk <martinvonz@google.com>* parents: 38907 diff changeset	2062 return NULL;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2063 length = nt_shortest(&self->nt, node);
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2064 if (length == -3)
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2065 return NULL;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2066 if (length == -2) {
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2067 raise_revlog_error();
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2068 return NULL;
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2069 }
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2070 return PyInt_FromLong(length);
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2071 }
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37974 diff changeset	2072
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2073 static PyObject index_m_get(indexObject self, PyObject *args)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2074 {
16679 2950d186a927 parsers: strictly check for 20-byte hashes where they're required Bryan O'Sullivan <bryano@fb.com> parents: 16641 diff changeset	2075 PyObject *val;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2076 char *node;
16679 2950d186a927 parsers: strictly check for 20-byte hashes where they're required Bryan O'Sullivan <bryano@fb.com> parents: 16641 diff changeset	2077 int rev;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2078
16679 2950d186a927 parsers: strictly check for 20-byte hashes where they're required Bryan O'Sullivan <bryano@fb.com> parents: 16641 diff changeset	2079 if (!PyArg_ParseTuple(args, "O", &val))
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2080 return NULL;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2081 if (node_check(val, &node) == -1)
16679 2950d186a927 parsers: strictly check for 20-byte hashes where they're required Bryan O'Sullivan <bryano@fb.com> parents: 16641 diff changeset	2082 return NULL;
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2083 rev = index_find_node(self, node, 20);
27638 90e3c5129226 cleanup: remove superfluous space after space after equals (C) timeless <timeless@mozdev.org> parents: 27592 diff changeset	2084 if (rev == -3)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2085 return NULL;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2086 if (rev == -2)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2087 Py_RETURN_NONE;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2088 return PyInt_FromLong(rev);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2089 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2090
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2091 static int index_contains(indexObject self, PyObject value)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2092 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2093 char *node;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2094
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2095 if (PyInt_Check(value)) {
40645 fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	2096 long rev;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	2097 if (!pylong_to_long(value, &rev)) {
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	2098 return -1;
fa33196088c4 revlog: replace PyInt_AS_LONG with a more portable helper function Augie Fackler <augie@google.com> parents: 40609 diff changeset	2099 }
38905 aa33988ad8ab index: return False for "len(index) in index" Martin von Zweigbergk <martinvonz@google.com> parents: 38891 diff changeset	2100 return rev >= -1 && rev < index_length(self);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2101 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2102
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2103 if (node_check(value, &node) == -1)
16679 2950d186a927 parsers: strictly check for 20-byte hashes where they're required Bryan O'Sullivan <bryano@fb.com> parents: 16641 diff changeset	2104 return -1;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2105
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2106 switch (index_find_node(self, node, 20)) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2107 case -3:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2108 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2109 case -2:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2110 return 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2111 default:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2112 return 1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2113 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2114 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2115
43582 0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2116 static PyObject index_m_has_node(indexObject self, PyObject *args)
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2117 {
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2118 int ret = index_contains(self, args);
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2119 if (ret < 0)
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2120 return NULL;
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2121 return PyBool_FromLong((long)ret);
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2122 }
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2123
43600 bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2124 static PyObject index_m_rev(indexObject self, PyObject *val)
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2125 {
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2126 char *node;
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2127 int rev;
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2128
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2129 if (node_check(val, &node) == -1)
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2130 return NULL;
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2131 rev = index_find_node(self, node, 20);
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2132 if (rev >= -1)
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2133 return PyInt_FromLong(rev);
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2134 if (rev == -2)
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2135 raise_revlog_error();
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2136 return NULL;
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2137 }
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2138
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2139 typedef uint64_t bitmask;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2140
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2141 /*
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2142 * Given a disjoint set of revs, return all candidates for the
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2143 * greatest common ancestor. In revset notation, this is the set
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2144 * "heads(::a and ::b and ...)"
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2145 */
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2146 static PyObject find_gca_candidates(indexObject self, const int *revs,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2147 int revcount)
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2148 {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2149 const bitmask allseen = (1ull << revcount) - 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2150 const bitmask poison = 1ull << revcount;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2151 PyObject *gca = PyList_New(0);
20555 4add43865a9b ancestors: remove unnecessary handling of 'left' Mads Kiilerich <madski@unity3d.com> parents: 20554 diff changeset	2152 int i, v, interesting;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2153 int maxrev = -1;
22399 9f490afcb067 parsers: use bitmask type consistently in find_gca_candidates Henrik Stuart <hg@hstuart.dk> parents: 21871 diff changeset	2154 bitmask sp;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2155 bitmask *seen;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2156
19727 3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2157 if (gca == NULL)
3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2158 return PyErr_NoMemory();
3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2159
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2160 for (i = 0; i < revcount; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2161 if (revs[i] > maxrev)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2162 maxrev = revs[i];
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2163 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2164
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2165 seen = calloc(sizeof(*seen), maxrev + 1);
19727 3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2166 if (seen == NULL) {
3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2167 Py_DECREF(gca);
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2168 return PyErr_NoMemory();
19727 3d07b4a2f743 parsers: correctly handle a failed allocation Bryan O'Sullivan <bryano@fb.com> parents: 19726 diff changeset	2169 }
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2170
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2171 for (i = 0; i < revcount; i++)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2172 seen[revs[i]] = 1ull << i;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2173
20555 4add43865a9b ancestors: remove unnecessary handling of 'left' Mads Kiilerich <madski@unity3d.com> parents: 20554 diff changeset	2174 interesting = revcount;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2175
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2176 for (v = maxrev; v >= 0 && interesting; v--) {
22399 9f490afcb067 parsers: use bitmask type consistently in find_gca_candidates Henrik Stuart <hg@hstuart.dk> parents: 21871 diff changeset	2177 bitmask sv = seen[v];
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2178 int parents[2];
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2179
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2180 if (!sv)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2181 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2182
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2183 if (sv < poison) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2184 interesting -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2185 if (sv == allseen) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2186 PyObject *obj = PyInt_FromLong(v);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2187 if (obj == NULL)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2188 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2189 if (PyList_Append(gca, obj) == -1) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2190 Py_DECREF(obj);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2191 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2192 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2193 sv \|= poison;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2194 for (i = 0; i < revcount; i++) {
20555 4add43865a9b ancestors: remove unnecessary handling of 'left' Mads Kiilerich <madski@unity3d.com> parents: 20554 diff changeset	2195 if (revs[i] == v)
4add43865a9b ancestors: remove unnecessary handling of 'left' Mads Kiilerich <madski@unity3d.com> parents: 20554 diff changeset	2196 goto done;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2197 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2198 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2199 }
25810 82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	2200 if (index_get_parents(self, v, parents, maxrev) < 0)
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	2201 goto bail;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2202
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2203 for (i = 0; i < 2; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2204 int p = parents[i];
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2205 if (p == -1)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2206 continue;
19030 48d6f436363e parsers: fix variable declaration position issue Matt Mackall <mpm@selenic.com> parents: 18988 diff changeset	2207 sp = seen[p];
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2208 if (sv < poison) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2209 if (sp == 0) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2210 seen[p] = sv;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2211 interesting++;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2212 } else if (sp != sv)
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2213 seen[p] \|= sv;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2214 } else {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2215 if (sp && sp < poison)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2216 interesting--;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2217 seen[p] = sv;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2218 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2219 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2220 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2221
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2222 done:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2223 free(seen);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2224 return gca;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2225 bail:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2226 free(seen);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2227 Py_XDECREF(gca);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2228 return NULL;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2229 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2230
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2231 /*
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2232 * Given a disjoint set of revs, return the subset with the longest
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2233 * path to the root.
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2234 */
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2235 static PyObject find_deepest(indexObject self, PyObject *revs)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2236 {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2237 const Py_ssize_t revcount = PyList_GET_SIZE(revs);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2238 static const Py_ssize_t capacity = 24;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2239 int depth, interesting = NULL;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2240 int i, j, v, ninteresting;
21730 8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2241 PyObject dict = NULL, keys = NULL;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2242 long *seen = NULL;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2243 int maxrev = -1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2244 long final;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2245
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2246 if (revcount > capacity) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2247 PyErr_Format(PyExc_OverflowError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2248 "bitset size (%ld) > capacity (%ld)",
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2249 (long)revcount, (long)capacity);
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2250 return NULL;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2251 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2252
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2253 for (i = 0; i < revcount; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2254 int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i));
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2255 if (n > maxrev)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2256 maxrev = n;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2257 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2258
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2259 depth = calloc(sizeof(*depth), maxrev + 1);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2260 if (depth == NULL)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2261 return PyErr_NoMemory();
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2262
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2263 seen = calloc(sizeof(*seen), maxrev + 1);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2264 if (seen == NULL) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2265 PyErr_NoMemory();
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2266 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2267 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2268
39110 beab6690f202 cext: fix Windows warning about implicit conversion of 32-bit shift to 64 bit Matt Harbison <matt_harbison@yahoo.com> parents: 39109 diff changeset	2269 interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount);
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2270 if (interesting == NULL) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2271 PyErr_NoMemory();
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2272 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2273 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2274
19502 8704477ad3b6 ancestor.deepest: sort revs in C version Siddharth Agarwal <sid0@fb.com> parents: 19062 diff changeset	2275 if (PyList_Sort(revs) == -1)
8704477ad3b6 ancestor.deepest: sort revs in C version Siddharth Agarwal <sid0@fb.com> parents: 19062 diff changeset	2276 goto bail;
8704477ad3b6 ancestor.deepest: sort revs in C version Siddharth Agarwal <sid0@fb.com> parents: 19062 diff changeset	2277
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2278 for (i = 0; i < revcount; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2279 int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i));
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2280 long b = 1l << i;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2281 depth[n] = 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2282 seen[n] = b;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2283 interesting[b] = 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2284 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2285
33475 f501322512b6 parsers: fix invariant bug in find_deepest (issue5623) Sune Foldager <cryo@cyanite.org> parents: 33176 diff changeset	2286 /* invariant: ninteresting is the number of non-zero entries in
f501322512b6 parsers: fix invariant bug in find_deepest (issue5623) Sune Foldager <cryo@cyanite.org> parents: 33176 diff changeset	2287 * interesting. */
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2288 ninteresting = (int)revcount;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2289
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2290 for (v = maxrev; v >= 0 && ninteresting > 1; v--) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2291 int dv = depth[v];
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2292 int parents[2];
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2293 long sv;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2294
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2295 if (dv == 0)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2296 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2297
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2298 sv = seen[v];
25810 82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	2299 if (index_get_parents(self, v, parents, maxrev) < 0)
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog Yuya Nishihara <yuya@tcha.org> parents: 25584 diff changeset	2300 goto bail;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2301
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2302 for (i = 0; i < 2; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2303 int p = parents[i];
27341 5042b999ef0a parsers: narrow scope of a variable to be less confusing Bryan O'Sullivan <bos@serpentine.com> parents: 27226 diff changeset	2304 long sp;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2305 int dp;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2306
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2307 if (p == -1)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2308 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2309
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2310 dp = depth[p];
27341 5042b999ef0a parsers: narrow scope of a variable to be less confusing Bryan O'Sullivan <bos@serpentine.com> parents: 27226 diff changeset	2311 sp = seen[p];
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2312 if (dp <= dv) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2313 depth[p] = dv + 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2314 if (sp != sv) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2315 interesting[sv] += 1;
27341 5042b999ef0a parsers: narrow scope of a variable to be less confusing Bryan O'Sullivan <bos@serpentine.com> parents: 27226 diff changeset	2316 seen[p] = sv;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2317 if (sp) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2318 interesting[sp] -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2319 if (interesting[sp] == 0)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2320 ninteresting -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2321 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2322 }
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2323 } else if (dv == dp - 1) {
27341 5042b999ef0a parsers: narrow scope of a variable to be less confusing Bryan O'Sullivan <bos@serpentine.com> parents: 27226 diff changeset	2324 long nsp = sp \| sv;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2325 if (nsp == sp)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2326 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2327 seen[p] = nsp;
19503 f2dfda6ac152 ancestor.deepest: decrement ninteresting correctly (issue3984) Wei, Elson <elson.wei@gmail.com> parents: 19502 diff changeset	2328 interesting[sp] -= 1;
33475 f501322512b6 parsers: fix invariant bug in find_deepest (issue5623) Sune Foldager <cryo@cyanite.org> parents: 33176 diff changeset	2329 if (interesting[sp] == 0)
19503 f2dfda6ac152 ancestor.deepest: decrement ninteresting correctly (issue3984) Wei, Elson <elson.wei@gmail.com> parents: 19502 diff changeset	2330 ninteresting -= 1;
33475 f501322512b6 parsers: fix invariant bug in find_deepest (issue5623) Sune Foldager <cryo@cyanite.org> parents: 33176 diff changeset	2331 if (interesting[nsp] == 0)
f501322512b6 parsers: fix invariant bug in find_deepest (issue5623) Sune Foldager <cryo@cyanite.org> parents: 33176 diff changeset	2332 ninteresting += 1;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2333 interesting[nsp] += 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2334 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2335 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2336 interesting[sv] -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2337 if (interesting[sv] == 0)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2338 ninteresting -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2339 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2340
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2341 final = 0;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2342 j = ninteresting;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2343 for (i = 0; i < (int)(2 << revcount) && j > 0; i++) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2344 if (interesting[i] == 0)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2345 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2346 final \|= i;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2347 j -= 1;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2348 }
21730 8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2349 if (final == 0) {
8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2350 keys = PyList_New(0);
8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2351 goto bail;
8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2352 }
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2353
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2354 dict = PyDict_New();
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2355 if (dict == NULL)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2356 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2357
19504 2fa303619b4d ancestor.deepest: ignore ninteresting while building result (issue3984) Siddharth Agarwal <sid0@fb.com> parents: 19503 diff changeset	2358 for (i = 0; i < revcount; i++) {
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2359 PyObject *key;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2360
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2361 if ((final & (1 << i)) == 0)
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2362 continue;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2363
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2364 key = PyList_GET_ITEM(revs, i);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2365 Py_INCREF(key);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2366 Py_INCREF(Py_None);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2367 if (PyDict_SetItem(dict, key, Py_None) == -1) {
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2368 Py_DECREF(key);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2369 Py_DECREF(Py_None);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2370 goto bail;
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2371 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2372 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2373
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2374 keys = PyDict_Keys(dict);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2375
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2376 bail:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2377 free(depth);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2378 free(seen);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2379 free(interesting);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2380 Py_XDECREF(dict);
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2381
21730 8da100383dc3 parsers.c: fix a couple of memory leaks Danek Duvall <danek.duvall@oracle.com> parents: 21103 diff changeset	2382 return keys;
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2383 }
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2384
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18900 diff changeset	2385 /*
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2386 * Given a (possibly overlapping) set of revs, return all the
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2387 * common ancestors heads: heads(::args[0] and ::a[1] and ...)
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2388 */
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2389 static PyObject index_commonancestorsheads(indexObject self, PyObject *args)
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2390 {
21103 628c16489d1c parsers: remove unnecessary gca variable in index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 21102 diff changeset	2391 PyObject *ret = NULL;
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2392 Py_ssize_t argcount, i, len;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2393 bitmask repeat = 0;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2394 int revcount = 0;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2395 int *revs;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2396
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2397 argcount = PySequence_Length(args);
31478 a43fd9ec2a39 parsers: use Python memory allocator in commonancestorsheads() Gregory Szorc <gregory.szorc@gmail.com> parents: 31435 diff changeset	2398 revs = PyMem_Malloc(argcount * sizeof(*revs));
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2399 if (argcount > 0 && revs == NULL)
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2400 return PyErr_NoMemory();
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	2401 len = index_length(self);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2402
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2403 for (i = 0; i < argcount; i++) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2404 static const int capacity = 24;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2405 PyObject *obj = PySequence_GetItem(args, i);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2406 bitmask x;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2407 long val;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2408
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2409 if (!PyInt_Check(obj)) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2410 PyErr_SetString(PyExc_TypeError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2411 "arguments must all be ints");
23945 33d6aaf84c9e parsers.c: fix a memory leak in index_commonancestorsheads Augie Fackler <augie@google.com> parents: 23944 diff changeset	2412 Py_DECREF(obj);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2413 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2414 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2415 val = PyInt_AsLong(obj);
23945 33d6aaf84c9e parsers.c: fix a memory leak in index_commonancestorsheads Augie Fackler <augie@google.com> parents: 23944 diff changeset	2416 Py_DECREF(obj);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2417 if (val == -1) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2418 ret = PyList_New(0);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2419 goto done;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2420 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2421 if (val < 0 \|\| val >= len) {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2422 PyErr_SetString(PyExc_IndexError, "index out of range");
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2423 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2424 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2425 /* this cheesy bloom filter lets us avoid some more
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2426 * expensive duplicate checks in the common set-is-disjoint
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2427 * case */
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2428 x = 1ull << (val & 0x3f);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2429 if (repeat & x) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2430 int k;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2431 for (k = 0; k < revcount; k++) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2432 if (val == revs[k])
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2433 goto duplicate;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2434 }
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2435 } else
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2436 repeat \|= x;
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2437 if (revcount >= capacity) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2438 PyErr_Format(PyExc_OverflowError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2439 "bitset size (%d) > capacity (%d)",
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2440 revcount, capacity);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2441 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2442 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2443 revs[revcount++] = (int)val;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2444 duplicate:;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2445 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2446
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2447 if (revcount == 0) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2448 ret = PyList_New(0);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2449 goto done;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2450 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2451 if (revcount == 1) {
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2452 PyObject *obj;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2453 ret = PyList_New(1);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2454 if (ret == NULL)
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2455 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2456 obj = PyInt_FromLong(revs[0]);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2457 if (obj == NULL)
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2458 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2459 PyList_SET_ITEM(ret, 0, obj);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2460 goto done;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2461 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2462
21103 628c16489d1c parsers: remove unnecessary gca variable in index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 21102 diff changeset	2463 ret = find_gca_candidates(self, revs, revcount);
628c16489d1c parsers: remove unnecessary gca variable in index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 21102 diff changeset	2464 if (ret == NULL)
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2465 goto bail;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2466
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2467 done:
31478 a43fd9ec2a39 parsers: use Python memory allocator in commonancestorsheads() Gregory Szorc <gregory.szorc@gmail.com> parents: 31435 diff changeset	2468 PyMem_Free(revs);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2469 return ret;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2470
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2471 bail:
31478 a43fd9ec2a39 parsers: use Python memory allocator in commonancestorsheads() Gregory Szorc <gregory.szorc@gmail.com> parents: 31435 diff changeset	2472 PyMem_Free(revs);
21102 4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2473 Py_XDECREF(ret);
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2474 return NULL;
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2475 }
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2476
4eb6553789e1 parsers: introduce index_commonancestorsheads Mads Kiilerich <madski@unity3d.com> parents: 20797 diff changeset	2477 /*
24004 8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2478 * Given a (possibly overlapping) set of revs, return the greatest
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2479 * common ancestors: those with the longest path to the root.
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2480 */
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2481 static PyObject index_ancestors(indexObject self, PyObject *args)
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2482 {
26048 0be2f81aadc3 parsers: fix two leaks in index_ancestors Augie Fackler <augie@google.com> parents: 26044 diff changeset	2483 PyObject *ret;
24004 8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2484 PyObject *gca = index_commonancestorsheads(self, args);
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2485 if (gca == NULL)
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2486 return NULL;
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2487
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2488 if (PyList_GET_SIZE(gca) <= 1) {
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2489 return gca;
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2490 }
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2491
26048 0be2f81aadc3 parsers: fix two leaks in index_ancestors Augie Fackler <augie@google.com> parents: 26044 diff changeset	2492 ret = find_deepest(self, gca);
0be2f81aadc3 parsers: fix two leaks in index_ancestors Augie Fackler <augie@google.com> parents: 26044 diff changeset	2493 Py_DECREF(gca);
0be2f81aadc3 parsers: fix two leaks in index_ancestors Augie Fackler <augie@google.com> parents: 26044 diff changeset	2494 return ret;
24004 8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2495 }
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2496
8a5267cd5286 parsers: rewrite index_ancestors() in terms of index_commonancestorsheads() Martin von Zweigbergk <martinvonz@google.com> parents: 23948 diff changeset	2497 /*
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2498 * Invalidate any trie entries introduced by added revs.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2499 */
38980 3e74c01102af index: rename "nt_(indexObject self,...)" functions to "index_" Martin von Zweigbergk <martinvonz@google.com>* parents: 38979 diff changeset	2500 static void index_invalidate_added(indexObject *self, Py_ssize_t start)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2501 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2502 Py_ssize_t i, len = PyList_GET_SIZE(self->added);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2503
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2504 for (i = start; i < len; i++) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2505 PyObject *tuple = PyList_GET_ITEM(self->added, i);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2506 PyObject *node = PyTuple_GET_ITEM(tuple, 7);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2507
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2508 nt_delete_node(&self->nt, PyBytes_AS_STRING(node));
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2509 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2510
16732 277e2acb7e5c parsers: use Py_CLEAR where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16699 diff changeset	2511 if (start == 0)
277e2acb7e5c parsers: use Py_CLEAR where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16699 diff changeset	2512 Py_CLEAR(self->added);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2513 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2514
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2515 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2516 * Delete a numeric range of revs, which must be at the end of the
43629 ae5e39512ca0 revlog: delete references to deleted nullid sentinel value Martin von Zweigbergk <martinvonz@google.com> parents: 43602 diff changeset	2517 * range.
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2518 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2519 static int index_slice_del(indexObject self, PyObject item)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2520 {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2521 Py_ssize_t start, stop, step, slicelength;
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	2522 Py_ssize_t length = index_length(self) + 1;
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2523 int ret = 0;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2524
30171 7a3b59f0329a parsers: avoid PySliceObject cast on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30169 diff changeset	2525 /* Argument changed from PySliceObject* to PyObject* in Python 3. */
7a3b59f0329a parsers: avoid PySliceObject cast on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30169 diff changeset	2526 #ifdef IS_PY3K
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2527 if (PySlice_GetIndicesEx(item, length, &start, &stop, &step,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2528 &slicelength) < 0)
30171 7a3b59f0329a parsers: avoid PySliceObject cast on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30169 diff changeset	2529 #else
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2530 if (PySlice_GetIndicesEx((PySliceObject *)item, length, &start, &stop,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2531 &step, &slicelength) < 0)
30171 7a3b59f0329a parsers: avoid PySliceObject cast on Python 3 Gregory Szorc <gregory.szorc@gmail.com> parents: 30169 diff changeset	2532 #endif
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2533 return -1;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2534
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2535 if (slicelength <= 0)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2536 return 0;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2537
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2538 if ((step < 0 && start < stop) \|\| (step > 0 && start > stop))
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2539 stop = start;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2540
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2541 if (step < 0) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2542 stop = start + 1;
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2543 start = stop + step * (slicelength - 1) - 1;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2544 step = -step;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2545 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2546
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2547 if (step != 1) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2548 PyErr_SetString(PyExc_ValueError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2549 "revlog index delete requires step size of 1");
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2550 return -1;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2551 }
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2552
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2553 if (stop != length - 1) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2554 PyErr_SetString(PyExc_IndexError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2555 "revlog index deletion indices are invalid");
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2556 return -1;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2557 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2558
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2559 if (start < self->length) {
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2560 if (self->ntinitialized) {
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2561 Py_ssize_t i;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2562
43580 53581e220ba3 revlog: clean up the node of all revision stripped in the C code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42096 diff changeset	2563 for (i = start; i < self->length; i++) {
38042 514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	2564 const char *node = index_node_existing(self, i);
514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	2565 if (node == NULL)
514605777244 revlog: handle errors from index_node() in nt_insert() and index_slice_del() Martin von Zweigbergk <martinvonz@google.com> parents: 38022 diff changeset	2566 return -1;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2567
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2568 nt_delete_node(&self->nt, node);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2569 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2570 if (self->added)
38980 3e74c01102af index: rename "nt_(indexObject self,...)" functions to "index_" Martin von Zweigbergk <martinvonz@google.com>* parents: 38979 diff changeset	2571 index_invalidate_added(self, 0);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2572 if (self->ntrev > start)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2573 self->ntrev = (int)start;
43865 49fa0b31ee1d cext-revlog: fixed __delitem__ for uninitialized nodetree Georges Racinet <georges.racinet@octobus.net> parents: 43629 diff changeset	2574 } else if (self->added) {
49fa0b31ee1d cext-revlog: fixed __delitem__ for uninitialized nodetree Georges Racinet <georges.racinet@octobus.net> parents: 43629 diff changeset	2575 Py_CLEAR(self->added);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2576 }
43865 49fa0b31ee1d cext-revlog: fixed __delitem__ for uninitialized nodetree Georges Racinet <georges.racinet@octobus.net> parents: 43629 diff changeset	2577
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2578 self->length = start;
18504 d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2579 if (start < self->raw_length) {
d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2580 if (self->cache) {
d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2581 Py_ssize_t i;
d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2582 for (i = start; i < self->raw_length; i++)
d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2583 Py_CLEAR(self->cache[i]);
d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2584 }
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2585 self->raw_length = start;
18504 d1d5fdcc2d46 parsers: fix memleak of revlog cache entries on strip Yuya Nishihara <yuya@tcha.org> parents: 18430 diff changeset	2586 }
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2587 goto done;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2588 }
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2589
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2590 if (self->ntinitialized) {
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2591 index_invalidate_added(self, start - self->length);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2592 if (self->ntrev > start)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2593 self->ntrev = (int)start;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2594 }
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2595 if (self->added)
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2596 ret = PyList_SetSlice(self->added, start - self->length,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2597 PyList_GET_SIZE(self->added), NULL);
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2598 done:
16787 bda96ce993f9 parsers: cache the result of index_headrevs Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	2599 Py_CLEAR(self->headrevs);
16784 12a852c7c763 parsers: reduce raw_length when truncating Bryan O'Sullivan <bryano@fb.com> parents: 16732 diff changeset	2600 return ret;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2601 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2602
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2603 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2604 * Supported ops:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2605 *
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2606 * slice deletion
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2607 * string assignment (extend node->rev mapping)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2608 * string deletion (shrink node->rev mapping)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2609 */
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2610 static int index_assign_subscript(indexObject self, PyObject item,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2611 PyObject *value)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2612 {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2613 char *node;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2614 long rev;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2615
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2616 if (PySlice_Check(item) && value == NULL)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2617 return index_slice_del(self, item);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2618
38859 49628742d264 revlog: remove unnecessary output parameter from node_check() Martin von Zweigbergk <martinvonz@google.com> parents: 38314 diff changeset	2619 if (node_check(item, &node) == -1)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2620 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2621
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2622 if (value == NULL)
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2623 return self->ntinitialized ? nt_delete_node(&self->nt, node)
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2624 : 0;
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2625 rev = PyInt_AsLong(value);
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2626 if (rev > INT_MAX \|\| rev < 0) {
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2627 if (!PyErr_Occurred())
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2628 PyErr_SetString(PyExc_ValueError, "rev out of range");
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2629 return -1;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2630 }
23468 ee311681e591 parsers: ensure revlog index node tree is initialized before insertion Mike Edgar <adgar@google.com> parents: 23087 diff changeset	2631
38979 c0b6a7c78a21 index: split up nt_init() in two Martin von Zweigbergk <martinvonz@google.com> parents: 38978 diff changeset	2632 if (index_init_nt(self) == -1)
23468 ee311681e591 parsers: ensure revlog index node tree is initialized before insertion Mike Edgar <adgar@google.com> parents: 23087 diff changeset	2633 return -1;
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2634 return nt_insert(&self->nt, node, (int)rev);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2635 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2636
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2637 /*
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2638 * Find all RevlogNG entries in an index that has inline data. Update
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2639 * the optional "offsets" table with those entries.
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2640 */
22401 9ba8a93e55f5 parsers: ensure correct return type for inline_scan Henrik Stuart <hg@hstuart.dk> parents: 22400 diff changeset	2641 static Py_ssize_t inline_scan(indexObject self, const char *offsets)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2642 {
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2643 const char data = (const char )self->buf.buf;
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2644 Py_ssize_t pos = 0;
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2645 Py_ssize_t end = self->buf.len;
16863 bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	2646 long incr = v1_hdrsize;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2647 Py_ssize_t len = 0;
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 11361 diff changeset	2648
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2649 while (pos + v1_hdrsize <= end && pos >= 0) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2650 uint32_t comp_len;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2651 /* 3rd element of header is length of compressed inline data */
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2652 comp_len = getbe32(data + pos + 8);
16863 bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	2653 incr = v1_hdrsize + comp_len;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2654 if (offsets)
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2655 offsets[len] = data + pos;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2656 len++;
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2657 pos += incr;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2658 }
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 11361 diff changeset	2659
20167 09e41ac6289d mpatch: rewrite pointer overflow checks Matt Mackall <mpm@selenic.com> parents: 20109 diff changeset	2660 if (pos != end) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2661 if (!PyErr_Occurred())
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2662 PyErr_SetString(PyExc_ValueError, "corrupt index file");
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2663 return -1;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2664 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2665
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2666 return len;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2667 }
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 11361 diff changeset	2668
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2669 static int index_init(indexObject self, PyObject args)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2670 {
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2671 PyObject data_obj, inlined_obj;
8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2672 Py_ssize_t size;
8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2673
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2674 /* Initialize before argument-checking to avoid index_dealloc() crash.
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2675 */
20109 e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2676 self->raw_length = 0;
e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2677 self->added = NULL;
e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2678 self->cache = NULL;
e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2679 self->data = NULL;
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2680 memset(&self->buf, 0, sizeof(self->buf));
20109 e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2681 self->headrevs = NULL;
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	2682 self->filteredrevs = Py_None;
2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	2683 Py_INCREF(Py_None);
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2684 self->ntinitialized = 0;
20109 e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2685 self->offsets = NULL;
e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2686
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2687 if (!PyArg_ParseTuple(args, "OO", &data_obj, &inlined_obj))
8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2688 return -1;
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2689 if (!PyObject_CheckBuffer(data_obj)) {
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2690 PyErr_SetString(PyExc_TypeError,
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2691 "data does not support buffer interface");
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2692 return -1;
8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2693 }
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2694
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2695 if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1)
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2696 return -1;
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2697 size = self->buf.len;
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2698
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2699 self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2700 self->data = data_obj;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2701
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2702 self->ntlookups = self->ntmisses = 0;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2703 self->ntrev = -1;
16597 b767382a8675 parsers: fix refcount bug on corrupt index Matt Mackall <mpm@selenic.com> parents: 16572 diff changeset	2704 Py_INCREF(self->data);
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2705
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2706 if (self->inlined) {
22401 9ba8a93e55f5 parsers: ensure correct return type for inline_scan Henrik Stuart <hg@hstuart.dk> parents: 22400 diff changeset	2707 Py_ssize_t len = inline_scan(self, NULL);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2708 if (len == -1)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2709 goto bail;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2710 self->raw_length = len;
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2711 self->length = len;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2712 } else {
16863 bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	2713 if (size % v1_hdrsize) {
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2714 PyErr_SetString(PyExc_ValueError, "corrupt index file");
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2715 goto bail;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2716 }
16863 bbedef66c6f3 parsers: replace magic number 64 with symbolic constant Bryan O'Sullivan <bryano@fb.com> parents: 16787 diff changeset	2717 self->raw_length = size / v1_hdrsize;
39105 52e9bf215f96 index: don't include nullid in the internal "length" field Martin von Zweigbergk <martinvonz@google.com> parents: 38982 diff changeset	2718 self->length = self->raw_length;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2719 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2720
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2721 return 0;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2722 bail:
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2723 return -1;
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2724 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2725
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2726 static PyObject index_nodemap(indexObject self)
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2727 {
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2728 Py_INCREF(self);
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2729 return (PyObject *)self;
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2730 }
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2731
38982 c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2732 static void _index_clearcaches(indexObject *self)
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2733 {
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2734 if (self->cache) {
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2735 Py_ssize_t i;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2736
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2737 for (i = 0; i < self->raw_length; i++)
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2738 Py_CLEAR(self->cache[i]);
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2739 free(self->cache);
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2740 self->cache = NULL;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2741 }
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2742 if (self->offsets) {
39112 b935adb4b041 cext: fix a warning about differing const qualifiers on Windows Matt Harbison <matt_harbison@yahoo.com> parents: 39111 diff changeset	2743 PyMem_Free((void *)self->offsets);
38982 c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2744 self->offsets = NULL;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2745 }
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2746 if (self->ntinitialized) {
9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2747 nt_dealloc(&self->nt);
38982 c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2748 }
39318 9f097214fbf3 index: embed nodetree in index object to avoid reference cycle Martin von Zweigbergk <martinvonz@google.com> parents: 39256 diff changeset	2749 self->ntinitialized = 0;
38982 c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2750 Py_CLEAR(self->headrevs);
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2751 }
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2752
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2753 static PyObject index_clearcaches(indexObject self)
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2754 {
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2755 _index_clearcaches(self);
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2756 self->ntrev = -1;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2757 self->ntlookups = self->ntmisses = 0;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2758 Py_RETURN_NONE;
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2759 }
c1de67691d5b index: move index_clearcaches() further down Martin von Zweigbergk <martinvonz@google.com> parents: 38981 diff changeset	2760
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2761 static void index_dealloc(indexObject *self)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2762 {
16370 28bb4daf070c parsers: fix a memleak, and add a clearcaches method to the index Bryan O'Sullivan <bryano@fb.com> parents: 16363 diff changeset	2763 _index_clearcaches(self);
22484 2b5940f64750 obsolete: use C code for headrevs calculation Durham Goode <durham@fb.com> parents: 22403 diff changeset	2764 Py_XDECREF(self->filteredrevs);
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2765 if (self->buf.buf) {
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2766 PyBuffer_Release(&self->buf);
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2767 memset(&self->buf, 0, sizeof(self->buf));
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2768 }
20109 e57c532c3835 parse_index2: fix crash on bad argument type (issue4110) Chris Jerdonek <chris.jerdonek@gmail.com> parents: 19728 diff changeset	2769 Py_XDECREF(self->data);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2770 Py_XDECREF(self->added);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2771 PyObject_Del(self);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2772 }
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2773
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2774 static PySequenceMethods index_sequence_methods = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2775 (lenfunc)index_length, /* sq_length */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2776 0, /* sq_concat */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2777 0, /* sq_repeat */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2778 (ssizeargfunc)index_get, /* sq_item */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2779 0, /* sq_slice */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2780 0, /* sq_ass_item */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2781 0, /* sq_ass_slice */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2782 (objobjproc)index_contains, /* sq_contains */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2783 };
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2784
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2785 static PyMappingMethods index_mapping_methods = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2786 (lenfunc)index_length, /* mp_length */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2787 (binaryfunc)index_getitem, /* mp_subscript */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2788 (objobjargproc)index_assign_subscript, /* mp_ass_subscript */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2789 };
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2790
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2791 static PyMethodDef index_methods[] = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2792 {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2793 "return the gca set of the given revs"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2794 {"commonancestorsheads", (PyCFunction)index_commonancestorsheads,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2795 METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2796 "return the heads of the common ancestors of the given revs"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2797 {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2798 "clear the index caches"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2799 {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"},
43602 b56de57c45ce index: add a `get_rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43600 diff changeset	2800 {"get_rev", (PyCFunction)index_m_get, METH_VARARGS,
b56de57c45ce index: add a `get_rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43600 diff changeset	2801 "return `rev` associated with a node or None"},
43582 0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2802 {"has_node", (PyCFunction)index_m_has_node, METH_O,
0c659fc20207 index: add a `has_node` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43580 diff changeset	2803 "return True if the node exist in the index"},
43600 bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2804 {"rev", (PyCFunction)index_m_rev, METH_O,
bd87114ce341 index: add a `rev` method (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43582 diff changeset	2805 "return `rev` associated with a node or raise RevlogError"},
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2806 {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2807 "compute phases"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2808 {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2809 "reachableroots"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2810 {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2811 "get head revisions"}, /* Can do filtering since 3.2 */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2812 {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2813 "get filtered head revisions"}, /* Can always do filtering */
41089 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	2814 {"issnapshot", (PyCFunction)index_issnapshot, METH_O,
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41088 diff changeset	2815 "True if the object is a snapshot"},
41111 38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	2816 {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS,
38e88450138c delta: have a native implementation of _findsnapshot Boris Feld <boris.feld@octobus.net> parents: 41089 diff changeset	2817 "Gather snapshot data in a cache dict"},
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2818 {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2819 "determine revisions with deltas to reconstruct fulltext"},
40746 cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	2820 {"slicechunktodensity", (PyCFunction)index_slicechunktodensity,
cc76ca9fca20 sparse-revlog: introduce native (C) implementation of slicechunktodensity Boris Feld <boris.feld@octobus.net> parents: 40745 diff changeset	2821 METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"},
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2822 {"append", (PyCFunction)index_append, METH_O, "append an index entry"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2823 {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2824 "match a potentially ambiguous node ID"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2825 {"shortest", (PyCFunction)index_shortest, METH_VARARGS,
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2826 "find length of shortest hex nodeid of a binary ID"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2827 {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2828 {NULL} /* Sentinel */
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2829 };
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2830
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2831 static PyGetSetDef index_getset[] = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2832 {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL},
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2833 {NULL} /* Sentinel */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2834 };
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2835
40878 18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2836 PyTypeObject HgRevlogIndex_Type = {
40609 e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2837 PyVarObject_HEAD_INIT(NULL, 0) /* header */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2838 "parsers.index", /* tp_name */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2839 sizeof(indexObject), /* tp_basicsize */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2840 0, /* tp_itemsize */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2841 (destructor)index_dealloc, /* tp_dealloc */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2842 0, /* tp_print */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2843 0, /* tp_getattr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2844 0, /* tp_setattr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2845 0, /* tp_compare */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2846 0, /* tp_repr */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2847 0, /* tp_as_number */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2848 &index_sequence_methods, /* tp_as_sequence */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2849 &index_mapping_methods, /* tp_as_mapping */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2850 0, /* tp_hash */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2851 0, /* tp_call */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2852 0, /* tp_str */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2853 0, /* tp_getattro */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2854 0, /* tp_setattro */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2855 0, /* tp_as_buffer */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2856 Py_TPFLAGS_DEFAULT, /* tp_flags */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2857 "revlog index", /* tp_doc */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2858 0, /* tp_traverse */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2859 0, /* tp_clear */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2860 0, /* tp_richcompare */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2861 0, /* tp_weaklistoffset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2862 0, /* tp_iter */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2863 0, /* tp_iternext */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2864 index_methods, /* tp_methods */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2865 0, /* tp_members */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2866 index_getset, /* tp_getset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2867 0, /* tp_base */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2868 0, /* tp_dict */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2869 0, /* tp_descr_get */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2870 0, /* tp_descr_set */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2871 0, /* tp_dictoffset */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2872 (initproc)index_init, /* tp_init */
e5ad3ef90aa1 revlog: give formatting to clang-format Augie Fackler <augie@google.com> parents: 40608 diff changeset	2873 0, /* tp_alloc */
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2874 };
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2875
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2876 /*
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2877 * returns a tuple of the form (index, index, cache) with elements as
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2878 * follows:
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2879 *
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16393 diff changeset	2880 * index: an index object that lazily parses RevlogNG records
30582 6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2881 * cache: if data is inlined, a tuple (0, index_file_content), else None
6146d5acee69 parsers: use buffer to store revlog index Jun Wu <quark@fb.com> parents: 30171 diff changeset	2882 * index_file_content could be a string, or a buffer
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2883 *
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2884 * added complications are for backwards compatibility
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2885 */
32417 7d0c69505a66 cext: extract revlog/index parsing code to own C file Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	2886 PyObject parse_index2(PyObject self, PyObject *args)
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2887 {
45173 2bc5d1531235 revlog: fix excessive decref on tuple creation failure in parse_index2() Yuya Nishihara <yuya@tcha.org> parents: 45141 diff changeset	2888 PyObject *cache = NULL;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2889 indexObject *idx;
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2890 int ret;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2891
40878 18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2892 idx = PyObject_New(indexObject, &HgRevlogIndex_Type);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2893 if (idx == NULL)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2894 goto bail;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2895
16572 8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2896 ret = index_init(idx, args);
8d44b5a2974f parsers: fix refcount leak, simplify init of index (issue3417) Bryan O'Sullivan <bryano@fb.com> parents: 16437 diff changeset	2897 if (ret == -1)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2898 goto bail;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2899
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2900 if (idx->inlined) {
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2901 cache = Py_BuildValue("iO", 0, idx->data);
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2902 if (cache == NULL)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2903 goto bail;
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2904 } else {
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2905 cache = Py_None;
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2906 Py_INCREF(cache);
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2907 }
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2908
45173 2bc5d1531235 revlog: fix excessive decref on tuple creation failure in parse_index2() Yuya Nishihara <yuya@tcha.org> parents: 45141 diff changeset	2909 return Py_BuildValue("NN", idx, cache);
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2910
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2911 bail:
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2912 Py_XDECREF(idx);
7108 1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2913 Py_XDECREF(cache);
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2914 return NULL;
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2915 }
1ca878d7b849 C implementation of revlog index parsing Bernhard Leiner <bleiner@gmail.com> parents: 7093 diff changeset	2916
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2917 static Revlog_CAPI CAPI = {
44066 f5d2720f3bea revlog-native: introduced ABI version in capsule Georges Racinet <georges.racinet@octobus.net> parents: 43964 diff changeset	2918 /* increment the abi_version field upon each change in the Revlog_CAPI
f5d2720f3bea revlog-native: introduced ABI version in capsule Georges Racinet <georges.racinet@octobus.net> parents: 43964 diff changeset	2919 struct or in the ABI of the listed functions */
44512 166349510398 revlog: using two new functions in C capsule from Rust code Georges Racinet <georges.racinet@octobus.net> parents: 44498 diff changeset	2920 2,
166349510398 revlog: using two new functions in C capsule from Rust code Georges Racinet <georges.racinet@octobus.net> parents: 44498 diff changeset	2921 index_length,
166349510398 revlog: using two new functions in C capsule from Rust code Georges Racinet <georges.racinet@octobus.net> parents: 44498 diff changeset	2922 index_node,
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2923 HgRevlogIndex_GetParents,
f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2924 };
f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2925
32417 7d0c69505a66 cext: extract revlog/index parsing code to own C file Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	2926 void revlog_module_init(PyObject *mod)
24017 72c9b5ae7278 parsers: add fm1readmarker Augie Fackler <augie@google.com> parents: 24004 diff changeset	2927 {
41055 4c25038c112c rust-cpython: implement Graph using C parents function Georges Racinet <gracinet@anybox.fr> parents: 40976 diff changeset	2928 PyObject *caps = NULL;
40878 18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2929 HgRevlogIndex_Type.tp_new = PyType_GenericNew;
18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2930 if (PyType_Ready(&HgRevlogIndex_Type) < 0)
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2931 return;
40878 18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2932 Py_INCREF(&HgRevlogIndex_Type);
18a8def6e1b5 revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol Yuya Nishihara <yuya@tcha.org> parents: 40877 diff changeset	2933 PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2934
39246 b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2935 nodetreeType.tp_new = PyType_GenericNew;
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2936 if (PyType_Ready(&nodetreeType) < 0)
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2937 return;
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2938 Py_INCREF(&nodetreeType);
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2939 PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType);
b85b377e7fc2 index: make node tree a Python object Martin von Zweigbergk <martinvonz@google.com> parents: 39112 diff changeset	2940
40089 129bfc7ad2cc revlog: if the module is initialized more than once, don't leak nullentry Augie Fackler <augie@google.com> parents: 39625 diff changeset	2941 if (!nullentry) {
42096 509a0477b3a6 cext: cast s# arguments of Py_BuildValue() to Py_ssize_t Yuya Nishihara <yuya@tcha.org> parents: 42067 diff changeset	2942 nullentry =
509a0477b3a6 cext: cast s# arguments of Py_BuildValue() to Py_ssize_t Yuya Nishihara <yuya@tcha.org> parents: 42067 diff changeset	2943 Py_BuildValue(PY23("iiiiiiis#", "iiiiiiiy#"), 0, 0, 0, -1,
509a0477b3a6 cext: cast s# arguments of Py_BuildValue() to Py_ssize_t Yuya Nishihara <yuya@tcha.org> parents: 42067 diff changeset	2944 -1, -1, -1, nullid, (Py_ssize_t)20);
40089 129bfc7ad2cc revlog: if the module is initialized more than once, don't leak nullentry Augie Fackler <augie@google.com> parents: 39625 diff changeset	2945 }
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2946 if (nullentry)
2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2947 PyObject_GC_UnTrack(nullentry);
40273 3b275f549777 rust: exposing in parsers module Georges Racinet <gracinet@anybox.fr> parents: 40100 diff changeset	2948
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2949 caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL);
41055 4c25038c112c rust-cpython: implement Graph using C parents function Georges Racinet <gracinet@anybox.fr> parents: 40976 diff changeset	2950 if (caps != NULL)
43964 f384d68d8ea8 revlog: made C Capsule an array of function pointers Georges Racinet <georges.racinet@octobus.net> parents: 43865 diff changeset	2951 PyModule_AddObject(mod, "revlog_CAPI", caps);
16363 2cdd7e63211b parsers: incrementally parse the revlog index in C Bryan O'Sullivan <bryano@fb.com> parents: 15033 diff changeset	2952 }

Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/cext/revlog.c @ 45173:2bc5d1531235