mercurial-scm/hg: rust/hg-core/src/revlog/index.rs annotate

annotate rust/hg-core/src/revlog/index.rs @ 51974:5d1e6f447d2d

head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs This is pure code movement, it make a coming changesets significantly clearer.

author	Pierre-Yves David <pierre-yves.david@octobus.net>
date	Thu, 26 Sep 2024 01:52:09 +0200
parents	5baa52ca4932
children	609700e5d8df

rev	line source
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1 use std::collections::{HashMap, HashSet};
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	2 use std::fmt::Debug;
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	3 use std::ops::Deref;
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	4 use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	5
51257 c4f1a790bda8 rust-index: use a `BitVec` instead of plain `Vec` for heads computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51256 diff changeset	6 use bitvec::prelude::*;
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	7 use byteorder::{BigEndian, ByteOrder};
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	8 use bytes_cast::{unaligned, BytesCast};
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	9
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	10 use super::REVIDX_KNOWN_FLAGS;
46443 43d63979a75e rust: use HgError in RevlogError and Vfs Simon Sapin <simon.sapin@octobus.net> parents: 46090 diff changeset	11 use crate::errors::HgError;
51206 e9d47e2f5dcf rust-index: add missing special case for null rev Rapha?l Gom?s <rgomes@octobus.net> parents: 51202 diff changeset	12 use crate::node::{NODE_BYTES_LENGTH, NULL_NODE, STORED_NODE_ID_BYTES};
46033 88e741bf2d93 rust: use NodePrefix::from_hex instead of hex::decode directly Simon Sapin <simon-commits@exyr.org> parents: 45602 diff changeset	13 use crate::revlog::node::Node;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	14 use crate::revlog::{Revision, NULL_REVISION};
51209 9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	15 use crate::{
51212 a7bba7df9189 rust-index: implement headrevs Rapha?l Gom?s <rgomes@octobus.net> parents: 51210 diff changeset	16 dagops, BaseRevision, FastHashMap, Graph, GraphError, RevlogError,
a7bba7df9189 rust-index: implement headrevs Rapha?l Gom?s <rgomes@octobus.net> parents: 51210 diff changeset	17 RevlogIndex, UncheckedRevision,
51209 9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	18 };
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	19
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	20 pub const INDEX_ENTRY_SIZE: usize = 64;
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	21 pub const INDEX_HEADER_SIZE: usize = 4;
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	22 pub const COMPRESSION_MODE_INLINE: u8 = 2;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	23
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	24 #[derive(Debug)]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	25 pub struct IndexHeader {
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	26 pub(super) header_bytes: [u8; INDEX_HEADER_SIZE],
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	27 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	28
51849 4777378fc3bf rust-inner-revlog: derive Debug for IndexHeaderFlags Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51848 diff changeset	29 #[derive(Copy, Clone, Debug)]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	30 pub struct IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	31 flags: u16,
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	32 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	33
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	34 /// Corresponds to the high bits of `_format_flags` in python
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	35 impl IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	36 /// Corresponds to FLAG_INLINE_DATA in python
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	37 pub fn is_inline(self) -> bool {
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	38 self.flags & 1 != 0
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	39 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	40 /// Corresponds to FLAG_GENERALDELTA in python
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	41 pub fn uses_generaldelta(self) -> bool {
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	42 self.flags & 2 != 0
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	43 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	44 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	45
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	46 /// Corresponds to the INDEX_HEADER structure,
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	47 /// which is parsed as a `header` variable in `_loadindex` in `revlog.py`
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	48 impl IndexHeader {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	49 fn format_flags(&self) -> IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	50 // No "unknown flags" check here, unlike in python. Maybe there should
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	51 // be.
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	52 IndexHeaderFlags {
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	53 flags: BigEndian::read_u16(&self.header_bytes[0..2]),
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	54 }
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	55 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	56
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	57 /// The only revlog version currently supported by rhg.
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	58 const REVLOGV1: u16 = 1;
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	59
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	60 /// Corresponds to `_format_version` in Python.
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	61 fn format_version(&self) -> u16 {
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	62 BigEndian::read_u16(&self.header_bytes[2..4])
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	63 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	64
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	65 pub fn parse(index_bytes: &[u8]) -> Result<Option<IndexHeader>, HgError> {
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	66 if index_bytes.is_empty() {
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	67 return Ok(None);
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	68 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	69 if index_bytes.len() < 4 {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	70 return Err(HgError::corrupted(
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	71 "corrupted revlog: can't read the index format header",
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	72 ));
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	73 }
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	74 Ok(Some(IndexHeader {
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	75 header_bytes: {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	76 let bytes: [u8; 4] =
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	77 index_bytes[0..4].try_into().expect("impossible");
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	78 bytes
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	79 },
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	80 }))
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	81 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	82 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	83
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	84 /// Abstracts the access to the index bytes since they can be spread between
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	85 /// the immutable (bytes) part and the mutable (added) part if any appends
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	86 /// happened. This makes it transparent for the callers.
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	87 struct IndexData {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	88 /// Immutable bytes, most likely taken from disk
51230 ca81cd96000a rust-index: add Sync bound to all relevant mmap-derived values Rapha?l Gom?s <rgomes@octobus.net> parents: 51226 diff changeset	89 bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>,
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	90 /// Used when stripping index contents, keeps track of the start of the
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	91 /// first stripped revision, which is used to give a slice of the
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	92 /// `bytes` field.
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	93 truncation: Option<usize>,
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	94 /// Bytes that were added after reading the index
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	95 added: Vec<u8>,
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	96 first_entry: [u8; INDEX_ENTRY_SIZE],
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	97 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	98
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	99 impl IndexData {
51230 ca81cd96000a rust-index: add Sync bound to all relevant mmap-derived values Rapha?l Gom?s <rgomes@octobus.net> parents: 51226 diff changeset	100 pub fn new(bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>) -> Self {
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	101 let mut first_entry = [0; INDEX_ENTRY_SIZE];
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	102 if bytes.len() >= INDEX_ENTRY_SIZE {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	103 first_entry[INDEX_HEADER_SIZE..]
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	104 .copy_from_slice(&bytes[INDEX_HEADER_SIZE..INDEX_ENTRY_SIZE])
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	105 }
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	106 Self {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	107 bytes,
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	108 truncation: None,
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	109 added: vec![],
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	110 first_entry,
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	111 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	112 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	113
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	114 pub fn len(&self) -> usize {
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	115 match self.truncation {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	116 Some(truncation) => truncation + self.added.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	117 None => self.bytes.len() + self.added.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	118 }
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	119 }
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	120
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	121 fn remove(
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	122 &mut self,
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	123 rev: Revision,
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	124 offsets: Option<&[usize]>,
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	125 ) -> Result<(), RevlogError> {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	126 let rev = rev.0 as usize;
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	127 let truncation = if let Some(offsets) = offsets {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	128 offsets[rev]
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	129 } else {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	130 rev * INDEX_ENTRY_SIZE
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	131 };
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	132 if truncation < self.bytes.len() {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	133 self.truncation = Some(truncation);
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	134 self.added.clear();
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	135 } else {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	136 self.added.truncate(truncation - self.bytes.len());
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	137 }
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	138 Ok(())
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	139 }
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	140
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	141 fn is_new(&self) -> bool {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	142 self.bytes.is_empty()
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	143 }
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	144 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	145
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	146 impl std::ops::Index<std::ops::Range<usize>> for IndexData {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	147 type Output = [u8];
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	148
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	149 fn index(&self, index: std::ops::Range<usize>) -> &Self::Output {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	150 let start = index.start;
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	151 let end = index.end;
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	152 let immutable_len = match self.truncation {
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	153 Some(truncation) => truncation,
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	154 None => self.bytes.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	155 };
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	156 if start < immutable_len {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	157 if end > immutable_len {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	158 panic!("index data cannot span existing and added ranges");
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	159 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	160 &self.bytes[index]
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	161 } else {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	162 &self.added[start - immutable_len..end - immutable_len]
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	163 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	164 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	165 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	166
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	167 #[derive(Debug, PartialEq, Eq)]
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	168 pub struct RevisionDataParams {
51189 65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	169 pub flags: u16,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	170 pub data_offset: u64,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	171 pub data_compressed_length: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	172 pub data_uncompressed_length: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	173 pub data_delta_base: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	174 pub link_rev: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	175 pub parent_rev_1: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	176 pub parent_rev_2: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	177 pub node_id: [u8; NODE_BYTES_LENGTH],
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	178 pub _sidedata_offset: u64,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	179 pub _sidedata_compressed_length: i32,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	180 pub data_compression_mode: u8,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	181 pub _sidedata_compression_mode: u8,
65c9032e2e5a rust-index: synchronize append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51188 diff changeset	182 pub _rank: i32,
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	183 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	184
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	185 impl Default for RevisionDataParams {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	186 fn default() -> Self {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	187 Self {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	188 flags: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	189 data_offset: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	190 data_compressed_length: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	191 data_uncompressed_length: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	192 data_delta_base: -1,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	193 link_rev: -1,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	194 parent_rev_1: -1,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	195 parent_rev_2: -1,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	196 node_id: [0; NODE_BYTES_LENGTH],
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	197 _sidedata_offset: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	198 _sidedata_compressed_length: 0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	199 data_compression_mode: COMPRESSION_MODE_INLINE,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	200 _sidedata_compression_mode: COMPRESSION_MODE_INLINE,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	201 _rank: -1,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	202 }
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	203 }
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	204 }
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	205
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	206 #[derive(BytesCast)]
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	207 #[repr(C)]
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	208 pub struct RevisionDataV1 {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	209 data_offset_or_flags: unaligned::U64Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	210 data_compressed_length: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	211 data_uncompressed_length: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	212 data_delta_base: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	213 link_rev: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	214 parent_rev_1: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	215 parent_rev_2: unaligned::I32Be,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	216 node_id: [u8; STORED_NODE_ID_BYTES],
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	217 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	218
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	219 fn _static_assert_size_of_revision_data_v1() {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	220 let _ = std::mem::transmute::<RevisionDataV1, [u8; 64]>;
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	221 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	222
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	223 impl RevisionDataParams {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	224 pub fn validate(&self) -> Result<(), RevlogError> {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	225 if self.flags & !REVIDX_KNOWN_FLAGS != 0 {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	226 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	227 "unknown revlog index flags: {}",
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	228 self.flags
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	229 )));
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	230 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	231 if self.data_compression_mode != COMPRESSION_MODE_INLINE {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	232 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	233 "invalid data compression mode: {}",
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	234 self.data_compression_mode
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	235 )));
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	236 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	237 // FIXME isn't this only for v2 or changelog v2?
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	238 if self._sidedata_compression_mode != COMPRESSION_MODE_INLINE {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	239 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	240 "invalid sidedata compression mode: {}",
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	241 self._sidedata_compression_mode
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	242 )));
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	243 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	244 Ok(())
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	245 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	246
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	247 pub fn into_v1(self) -> RevisionDataV1 {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	248 let data_offset_or_flags = self.data_offset << 16 \| self.flags as u64;
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	249 let mut node_id = [0; STORED_NODE_ID_BYTES];
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	250 node_id[..NODE_BYTES_LENGTH].copy_from_slice(&self.node_id);
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	251 RevisionDataV1 {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	252 data_offset_or_flags: data_offset_or_flags.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	253 data_compressed_length: self.data_compressed_length.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	254 data_uncompressed_length: self.data_uncompressed_length.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	255 data_delta_base: self.data_delta_base.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	256 link_rev: self.link_rev.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	257 parent_rev_1: self.parent_rev_1.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	258 parent_rev_2: self.parent_rev_2.into(),
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	259 node_id,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	260 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	261 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	262 }
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	263
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	264 /// A Revlog index
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	265 pub struct Index {
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	266 bytes: IndexData,
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	267 /// Offsets of starts of index blocks.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	268 /// Only needed when the index is interleaved with data.
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	269 offsets: RwLock<Option<Vec<usize>>>,
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	270 uses_generaldelta: bool,
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	271 is_inline: bool,
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	272 /// Cache of (head_revisions, filtered_revisions)
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	273 ///
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	274 /// The head revisions in this index, kept in sync. Should
51212 a7bba7df9189 rust-index: implement headrevs Rapha?l Gom?s <rgomes@octobus.net> parents: 51210 diff changeset	275 /// be accessed via the [`Self::head_revs`] method.
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	276 /// The last filtered revisions in this index, used to make sure
51213 9f876765cbe2 rust-index: add support for `headrevsfiltered` Rapha?l Gom?s <rgomes@octobus.net> parents: 51212 diff changeset	277 /// we haven't changed filters when returning the cached `head_revs`.
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	278 head_revs: RwLock<(Vec<Revision>, HashSet<Revision>)>,
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	279 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	280
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	281 impl Debug for Index {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	282 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	283 f.debug_struct("Index")
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	284 .field("offsets", &self.offsets)
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	285 .field("uses_generaldelta", &self.uses_generaldelta)
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	286 .finish()
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	287 }
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	288 }
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	289
50975 27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	290 impl Graph for Index {
51254 e74dd6d73cb5 rust-index: allow inlining `parents` across crates Rapha?l Gom?s <rgomes@octobus.net> parents: 51233 diff changeset	291 #[inline(always)]
50975 27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	292 fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	293 let err = \|\| GraphError::ParentOutOfRange(rev);
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	294 match self.get_entry(rev) {
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	295 Some(entry) => {
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	296 // The C implementation checks that the parents are valid
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	297 // before returning
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	298 Ok([
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	299 self.check_revision(entry.p1()).ok_or_else(err)?,
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	300 self.check_revision(entry.p2()).ok_or_else(err)?,
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	301 ])
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	302 }
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	303 None => Ok([NULL_REVISION, NULL_REVISION]),
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	304 }
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	305 }
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	306 }
27e773aa607d rust: implement the `Graph` trait for all revlogs Rapha?l Gom?s <rgomes@octobus.net> parents: 50974 diff changeset	307
51209 9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	308 /// A cache suitable for find_snapshots
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	309 ///
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	310 /// Logically equivalent to a mapping whose keys are [`BaseRevision`] and
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	311 /// values sets of [`BaseRevision`]
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	312 ///
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	313 /// TODO the dubious part is insisting that errors must be RevlogError
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	314 /// we would probably need to sprinkle some magic here, such as an associated
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	315 /// type that would be Into<RevlogError> but even that would not be
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	316 /// satisfactory, as errors potentially have nothing to do with the revlog.
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	317 pub trait SnapshotsCache {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	318 fn insert_for(
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	319 &mut self,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	320 rev: BaseRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	321 value: BaseRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	322 ) -> Result<(), RevlogError>;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	323 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	324
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	325 impl SnapshotsCache for FastHashMap<BaseRevision, HashSet<BaseRevision>> {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	326 fn insert_for(
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	327 &mut self,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	328 rev: BaseRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	329 value: BaseRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	330 ) -> Result<(), RevlogError> {
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	331 let all_values = self.entry(rev).or_default();
51209 9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	332 all_values.insert(value);
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	333 Ok(())
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	334 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	335 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	336
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	337 impl Index {
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	338 /// Create an index from bytes.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	339 /// Calculate the start of each entry when is_inline is true.
45602 1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	340 pub fn new(
51230 ca81cd96000a rust-index: add Sync bound to all relevant mmap-derived values Rapha?l Gom?s <rgomes@octobus.net> parents: 51226 diff changeset	341 bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>,
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	342 default_header: IndexHeader,
47963 001d747c2baf rust: Return HgError instead of RevlogError in revlog constructors Simon Sapin <simon.sapin@octobus.net> parents: 46887 diff changeset	343 ) -> Result<Self, HgError> {
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	344 let header =
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	345 IndexHeader::parse(bytes.as_ref())?.unwrap_or(default_header);
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	346
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	347 if header.format_version() != IndexHeader::REVLOGV1 {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	348 // A proper new version should have had a repo/store
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	349 // requirement.
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	350 return Err(HgError::corrupted("unsupported revlog version"));
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	351 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	352
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	353 let uses_generaldelta = header.format_flags().uses_generaldelta();
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	354
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	355 if header.format_flags().is_inline() {
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	356 let mut offset: usize = 0;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	357 let mut offsets = Vec::new();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	358
45590 11f3c3f408fd hg-core: minor code style change (D8958#inline-14993 followup) Antoine cezar<acezar@chwitlabs.fr> parents: 45536 diff changeset	359 while offset + INDEX_ENTRY_SIZE <= bytes.len() {
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	360 offsets.push(offset);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	361 let end = offset + INDEX_ENTRY_SIZE;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	362 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	363 bytes: &bytes[offset..end],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	364 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	365
48543 0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed Simon Sapin <simon.sapin@octobus.net> parents: 48458 diff changeset	366 offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	367 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	368
45602 1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	369 if offset == bytes.len() {
1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	370 Ok(Self {
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	371 bytes: IndexData::new(bytes),
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	372 offsets: RwLock::new(Some(offsets)),
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	373 uses_generaldelta,
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	374 is_inline: true,
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	375 head_revs: RwLock::new((vec![], HashSet::new())),
45602 1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	376 })
1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	377 } else {
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	378 Err(HgError::corrupted("unexpected inline revlog length"))
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	379 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	380 } else {
45602 1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	381 Ok(Self {
51185 1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes Rapha?l Gom?s <rgomes@octobus.net> parents: 50976 diff changeset	382 bytes: IndexData::new(bytes),
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	383 offsets: RwLock::new(None),
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	384 uses_generaldelta,
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	385 is_inline: false,
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	386 head_revs: RwLock::new((vec![], HashSet::new())),
45602 1cef583541c0 hg-core: return Err if `offset != bytes.len()` Antoine cezar<acezar@chwitlabs.fr> parents: 45601 diff changeset	387 })
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	388 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	389 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	390
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	391 pub fn uses_generaldelta(&self) -> bool {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	392 self.uses_generaldelta
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	393 }
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	394
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	395 /// Value of the inline flag.
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	396 pub fn is_inline(&self) -> bool {
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	397 self.is_inline
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	398 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	399
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	400 /// Return a slice of bytes if `revlog` is inline. Panic if not.
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	401 pub fn data(&self, start: usize, end: usize) -> &[u8] {
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	402 if !self.is_inline() {
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	403 panic!("tried to access data in the index of a revlog that is not inline");
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	404 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	405 &self.bytes[start..end]
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	406 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	407
45536 639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	408 /// Return number of entries of the revlog index.
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	409 pub fn len(&self) -> usize {
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	410 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	411 (*self.get_offsets())
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	412 .as_ref()
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	413 .expect("inline should have offsets")
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	414 .len()
45536 639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	415 } else {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	416 self.bytes.len() / INDEX_ENTRY_SIZE
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	417 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	418 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	419
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	420 pub fn get_offsets(&self) -> RwLockReadGuard<Option<Vec<usize>>> {
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	421 assert!(self.is_inline());
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	422 {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	423 // Wrap in a block to drop the read guard
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	424 let mut offsets = self.offsets.write().unwrap();
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	425 if offsets.is_none() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	426 offsets.replace(inline_scan(&self.bytes.bytes).1);
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	427 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	428 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	429 self.offsets.read().unwrap()
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	430 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	431
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	432 pub fn get_offsets_mut(&mut self) -> RwLockWriteGuard<Option<Vec<usize>>> {
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	433 assert!(self.is_inline());
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	434 let mut offsets = self.offsets.write().unwrap();
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	435 if offsets.is_none() {
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	436 offsets.replace(inline_scan(&self.bytes.bytes).1);
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	437 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	438 offsets
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	439 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	440
45536 639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	441 /// Returns `true` if the `Index` has zero `entries`.
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	442 pub fn is_empty(&self) -> bool {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	443 self.len() == 0
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	444 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation Antoine Cezar <antoine.cezar@octobus.net> parents: 45531 diff changeset	445
51200 7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	446 /// Return the index entry corresponding to the given revision or `None`
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	447 /// for [`NULL_REVISION`]
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	448 ///
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	449 /// The specified revision being of the checked type, it always exists
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	450 /// if it was validated by this index.
51850 5baa52ca4932 rust-inner-revlog: always inline `get_entry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51849 diff changeset	451 #[inline(always)]
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	452 pub fn get_entry(&self, rev: Revision) -> Option<IndexEntry> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	453 if rev == NULL_REVISION {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	454 return None;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	455 }
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	456 if rev.0 == 0 {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	457 Some(IndexEntry {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	458 bytes: &self.bytes.first_entry[..],
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	459 })
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	460 } else {
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	461 Some(if self.is_inline() {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	462 self.get_entry_inline(rev)
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	463 } else {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	464 self.get_entry_separated(rev)
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	465 })
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	466 }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	467 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	468
51200 7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	469 /// Return the binary content of the index entry for the given revision
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	470 ///
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	471 /// See [get_entry()](`Self::get_entry()`) for cases when `None` is
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	472 /// returned.
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	473 pub fn entry_binary(&self, rev: Revision) -> Option<&[u8]> {
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	474 self.get_entry(rev).map(\|e\| {
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	475 let bytes = e.as_bytes();
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	476 if rev.0 == 0 {
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	477 &bytes[4..]
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	478 } else {
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	479 bytes
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	480 }
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	481 })
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	482 }
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	483
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	484 pub fn entry_as_params(
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	485 &self,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	486 rev: UncheckedRevision,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	487 ) -> Option<RevisionDataParams> {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	488 let rev = self.check_revision(rev)?;
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	489 self.get_entry(rev).map(\|e\| RevisionDataParams {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	490 flags: e.flags(),
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	491 data_offset: if rev.0 == 0 && !self.bytes.is_new() {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	492 e.flags() as u64
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	493 } else {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	494 e.raw_offset()
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	495 },
51233 eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	496 data_compressed_length: e
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	497 .compressed_len()
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	498 .try_into()
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	499 .unwrap_or_else(\|_\| {
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	500 // Python's `unionrepo` sets the compressed length to be
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	501 // `-1` (or `u32::MAX` if transmuted to `u32`) because it
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	502 // cannot know the correct compressed length of a given
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	503 // revision. I'm not sure if this is true, but having this
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	504 // edge case won't hurt other use cases, let's handle it.
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	505 assert_eq!(e.compressed_len(), u32::MAX);
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	506 NULL_REVISION.0
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack Rapha?l Gom?s <rgomes@octobus.net> parents: 51232 diff changeset	507 }),
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	508 data_uncompressed_length: e.uncompressed_len(),
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	509 data_delta_base: e.base_revision_or_base_of_delta_chain().0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	510 link_rev: e.link_revision().0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	511 parent_rev_1: e.p1().0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	512 parent_rev_2: e.p2().0,
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	513 node_id: e.hash().as_bytes().try_into().unwrap(),
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	514 ..Default::default()
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	515 })
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	516 }
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	517
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	518 fn get_entry_inline(&self, rev: Revision) -> IndexEntry {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	519 let offsets = &self.get_offsets();
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	520 let offsets = offsets.as_ref().expect("inline should have offsets");
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	521 let start = offsets[rev.0 as usize];
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	522 let end = start + INDEX_ENTRY_SIZE;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	523 let bytes = &self.bytes[start..end];
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	524
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	525 IndexEntry { bytes }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	526 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	527
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	528 fn get_entry_separated(&self, rev: Revision) -> IndexEntry {
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	529 let start = rev.0 as usize * INDEX_ENTRY_SIZE;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	530 let end = start + INDEX_ENTRY_SIZE;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	531 let bytes = &self.bytes[start..end];
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	532
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	533 IndexEntry { bytes }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	534 }
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	535
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	536 fn null_entry(&self) -> IndexEntry {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	537 IndexEntry {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	538 bytes: &[0; INDEX_ENTRY_SIZE],
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	539 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	540 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	541
51212 a7bba7df9189 rust-index: implement headrevs Rapha?l Gom?s <rgomes@octobus.net> parents: 51210 diff changeset	542 /// Return the head revisions of this index
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	543 pub fn head_revs(&self) -> Result<Vec<Revision>, GraphError> {
51258 9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	544 self.head_revs_filtered(&HashSet::new(), false)
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	545 .map(\|h\| h.unwrap())
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	546 }
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	547
51974 5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	548 /// Return the head revisions of this index
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	549 pub fn head_revs_filtered(
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	550 &self,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	551 filtered_revs: &HashSet<Revision>,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	552 py_shortcut: bool,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	553 ) -> Result<Option<Vec<Revision>>, GraphError> {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	554 {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	555 let guard = self
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	556 .head_revs
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	557 .read()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	558 .expect("RwLock on Index.head_revs should not be poisoned");
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	559 let self_head_revs = &guard.0;
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	560 let self_filtered_revs = &guard.1;
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	561 if !self_head_revs.is_empty()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	562 && filtered_revs == self_filtered_revs
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	563 {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	564 if py_shortcut {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	565 // Don't copy the revs since we've already cached them
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	566 // on the Python side.
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	567 return Ok(None);
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	568 } else {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	569 return Ok(Some(self_head_revs.to_owned()));
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	570 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	571 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	572 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	573
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	574 let as_vec = if self.is_empty() {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	575 vec![NULL_REVISION]
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	576 } else {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	577 let mut not_heads = bitvec![0; self.len()];
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	578 dagops::retain_heads_fast(
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	579 self,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	580 not_heads.as_mut_bitslice(),
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	581 filtered_revs,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	582 )?;
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	583 not_heads
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	584 .into_iter()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	585 .enumerate()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	586 .filter_map(\|(idx, is_not_head)\| {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	587 if is_not_head {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	588 None
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	589 } else {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	590 Some(Revision(idx as BaseRevision))
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	591 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	592 })
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	593 .collect()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	594 };
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	595 *self
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	596 .head_revs
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	597 .write()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	598 .expect("RwLock on Index.head_revs should not be poisoned") =
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	599 (as_vec.to_owned(), filtered_revs.to_owned());
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	600 Ok(Some(as_vec))
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	601 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51850 diff changeset	602
51258 9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	603 /// Python-specific shortcut to save on PyList creation
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	604 pub fn head_revs_shortcut(
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	605 &self,
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	606 ) -> Result<Option<Vec<Revision>>, GraphError> {
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation Rapha?l Gom?s <rgomes@octobus.net> parents: 51257 diff changeset	607 self.head_revs_filtered(&HashSet::new(), true)
51213 9f876765cbe2 rust-index: add support for `headrevsfiltered` Rapha?l Gom?s <rgomes@octobus.net> parents: 51212 diff changeset	608 }
9f876765cbe2 rust-index: add support for `headrevsfiltered` Rapha?l Gom?s <rgomes@octobus.net> parents: 51212 diff changeset	609
51394 b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	610 /// Return the heads removed and added by advancing from `begin` to `end`.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	611 /// In revset language, we compute:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	612 /// - `heads(:begin)-heads(:end)`
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	613 /// - `heads(:end)-heads(:begin)`
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	614 pub fn head_revs_diff(
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	615 &self,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	616 begin: Revision,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	617 end: Revision,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	618 ) -> Result<(Vec<Revision>, Vec<Revision>), GraphError> {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	619 let mut heads_added = vec![];
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	620 let mut heads_removed = vec![];
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	621
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	622 let mut acc = HashSet::new();
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	623 let Revision(begin) = begin;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	624 let Revision(end) = end;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	625 let mut i = end;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	626
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	627 while i > begin {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	628 // acc invariant:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	629 // `j` is in the set iff `j <= i` and it has children
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	630 // among `i+1..end` (inclusive)
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	631 if !acc.remove(&i) {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	632 heads_added.push(Revision(i));
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	633 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	634 for Revision(parent) in self.parents(Revision(i))? {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	635 acc.insert(parent);
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	636 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	637 i -= 1;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	638 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	639
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	640 // At this point `acc` contains old revisions that gained new children.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	641 // We need to check if they had any children before. If not, those
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	642 // revisions are the removed heads.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	643 while !acc.is_empty() {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	644 // acc invariant:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	645 // `j` is in the set iff `j <= i` and it has children
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	646 // among `begin+1..end`, but not among `i+1..begin` (inclusive)
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	647
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	648 assert!(i >= -1); // yes, `-1` can also be a head if the repo is empty
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	649 if acc.remove(&i) {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	650 heads_removed.push(Revision(i));
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	651 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	652 for Revision(parent) in self.parents(Revision(i))? {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	653 acc.remove(&parent);
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	654 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	655 i -= 1;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	656 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	657
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	658 Ok((heads_removed, heads_added))
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	659 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff` Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 51269 diff changeset	660
51210 62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	661 /// Obtain the delta chain for a revision.
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	662 ///
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	663 /// `stop_rev` specifies a revision to stop at. If not specified, we
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	664 /// stop at the base of the chain.
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	665 ///
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	666 /// Returns a 2-tuple of (chain, stopped) where `chain` is a vec of
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	667 /// revs in ascending order and `stopped` is a bool indicating whether
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	668 /// `stoprev` was hit.
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	669 pub fn delta_chain(
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	670 &self,
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	671 rev: Revision,
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	672 stop_rev: Option<Revision>,
51232 456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain` Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51231 diff changeset	673 using_general_delta: Option<bool>,
51210 62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	674 ) -> Result<(Vec<Revision>, bool), HgError> {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	675 let mut current_rev = rev;
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	676 let mut entry = self.get_entry(rev).unwrap();
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	677 let mut chain = vec![];
51232 456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain` Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51231 diff changeset	678 let using_general_delta =
456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain` Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51231 diff changeset	679 using_general_delta.unwrap_or_else(\|\| self.uses_generaldelta());
51210 62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	680 while current_rev.0 != entry.base_revision_or_base_of_delta_chain().0
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	681 && stop_rev.map(\|r\| r != current_rev).unwrap_or(true)
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	682 {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	683 chain.push(current_rev);
51232 456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain` Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51231 diff changeset	684 let new_rev = if using_general_delta {
51210 62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	685 entry.base_revision_or_base_of_delta_chain()
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	686 } else {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	687 UncheckedRevision(current_rev.0 - 1)
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	688 };
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	689 current_rev = self.check_revision(new_rev).ok_or_else(\|\| {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	690 HgError::corrupted(format!("Revision {new_rev} out of range"))
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	691 })?;
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	692 if current_rev.0 == NULL_REVISION.0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	693 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	694 }
51210 62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	695 entry = self.get_entry(current_rev).unwrap()
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	696 }
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	697
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	698 let stopped = if stop_rev.map(\|r\| current_rev == r).unwrap_or(false) {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	699 true
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	700 } else {
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	701 chain.push(current_rev);
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	702 false
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	703 };
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	704 chain.reverse();
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	705 Ok((chain, stopped))
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	706 }
62e39bef36ca rust-index: add support for delta-chain computation Rapha?l Gom?s <rgomes@octobus.net> parents: 51209 diff changeset	707
51209 9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	708 pub fn find_snapshots(
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	709 &self,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	710 start_rev: UncheckedRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	711 end_rev: UncheckedRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	712 cache: &mut impl SnapshotsCache,
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	713 ) -> Result<(), RevlogError> {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	714 let mut start_rev = start_rev.0;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	715 let mut end_rev = end_rev.0;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	716 end_rev += 1;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	717 let len = self.len().try_into().unwrap();
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	718 if end_rev > len {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	719 end_rev = len;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	720 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	721 if start_rev < 0 {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	722 start_rev = 0;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	723 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	724 for rev in start_rev..end_rev {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	725 if !self.is_snapshot_unchecked(Revision(rev))? {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	726 continue;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	727 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	728 let mut base = self
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	729 .get_entry(Revision(rev))
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	730 .unwrap()
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	731 .base_revision_or_base_of_delta_chain();
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	732 if base.0 == rev {
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	733 base = NULL_REVISION.into();
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	734 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	735 cache.insert_for(base.0, rev)?;
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	736 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	737 Ok(())
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	738 }
9b06e7f32bc5 rust-index: add support for `find_snapshots` Rapha?l Gom?s <rgomes@octobus.net> parents: 51208 diff changeset	739
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	740 fn clear_head_revs(&self) {
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	741 self.head_revs
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	742 .write()
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	743 .expect("RwLock on Index.head_revs should not be poisoined")
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	744 .0
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	745 .clear()
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	746 }
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	747
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	748 /// TODO move this to the trait probably, along with other things
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	749 pub fn append(
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	750 &mut self,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	751 revision_data: RevisionDataParams,
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	752 ) -> Result<(), RevlogError> {
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	753 revision_data.validate()?;
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	754 let entry_v1 = revision_data.into_v1();
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	755 let entry_bytes = entry_v1.as_bytes();
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	756 if self.bytes.len() == 0 {
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	757 self.bytes.first_entry[INDEX_HEADER_SIZE..].copy_from_slice(
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	758 &entry_bytes[INDEX_HEADER_SIZE..INDEX_ENTRY_SIZE],
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	759 )
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	760 }
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	761 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	762 let new_offset = self.bytes.len();
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	763 if let Some(offsets) = &mut *self.get_offsets_mut() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	764 offsets.push(new_offset)
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	765 }
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	766 }
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	767 self.bytes.added.extend(entry_bytes);
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	768 self.clear_head_revs();
51186 b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	769 Ok(())
b4d152a28742 rust-index: add append method Rapha?l Gom?s <rgomes@octobus.net> parents: 51185 diff changeset	770 }
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	771
51195 51cc12158f97 rust-index: add `pack_header` support Rapha?l Gom?s <rgomes@octobus.net> parents: 51194 diff changeset	772 pub fn pack_header(&self, header: i32) -> [u8; 4] {
51cc12158f97 rust-index: add `pack_header` support Rapha?l Gom?s <rgomes@octobus.net> parents: 51194 diff changeset	773 header.to_be_bytes()
51cc12158f97 rust-index: add `pack_header` support Rapha?l Gom?s <rgomes@octobus.net> parents: 51194 diff changeset	774 }
51cc12158f97 rust-index: add `pack_header` support Rapha?l Gom?s <rgomes@octobus.net> parents: 51194 diff changeset	775
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	776 pub fn remove(&mut self, rev: Revision) -> Result<(), RevlogError> {
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	777 let offsets = if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	778 self.get_offsets().clone()
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	779 } else {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	780 None
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	781 };
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	782 self.bytes.remove(rev, offsets.as_deref())?;
51261 47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	783 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	784 if let Some(offsets) = &mut *self.get_offsets_mut() {
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	785 offsets.truncate(rev.0 as usize)
47a34afda7ad rust-index: only access offsets if revlog is inline Rapha?l Gom?s <rgomes@octobus.net> parents: 51258 diff changeset	786 }
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	787 }
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	788 self.clear_head_revs();
51192 f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	789 Ok(())
f6403bcd9f96 rust-index: synchronize remove to Rust index Rapha?l Gom?s <rgomes@octobus.net> parents: 51189 diff changeset	790 }
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	791
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	792 pub fn clear_caches(&self) {
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	793 // We need to get the 'inline' value from Python at init and use this
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	794 // instead of offsets to determine whether we're inline since we might
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	795 // clear caches. This implies re-populating the offsets on-demand.
51231 59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	796 *self
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	797 .offsets
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	798 .write()
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	799 .expect("RwLock on Index.offsets should not be poisoed") = None;
59183a19954e rust-index: use interior mutability in head revs and caches Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51230 diff changeset	800 self.clear_head_revs();
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	801 }
51208 b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	802
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	803 /// Unchecked version of `is_snapshot`.
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	804 /// Assumes the caller checked that `rev` is within a valid revision range.
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	805 pub fn is_snapshot_unchecked(
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	806 &self,
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	807 mut rev: Revision,
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	808 ) -> Result<bool, RevlogError> {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	809 while rev.0 >= 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	810 let entry = self.get_entry(rev).unwrap();
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	811 let mut base = entry.base_revision_or_base_of_delta_chain().0;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	812 if base == rev.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	813 base = NULL_REVISION.0;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	814 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	815 if base == NULL_REVISION.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	816 return Ok(true);
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	817 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	818 let [mut p1, mut p2] = self
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	819 .parents(rev)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	820 .map_err(\|_\| RevlogError::InvalidRevision)?;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	821 while let Some(p1_entry) = self.get_entry(p1) {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	822 if p1_entry.compressed_len() != 0 \|\| p1.0 == 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	823 break;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	824 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	825 let parent_base =
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	826 p1_entry.base_revision_or_base_of_delta_chain();
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	827 if parent_base.0 == p1.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	828 break;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	829 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	830 p1 = self
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	831 .check_revision(parent_base)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	832 .ok_or(RevlogError::InvalidRevision)?;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	833 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	834 while let Some(p2_entry) = self.get_entry(p2) {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	835 if p2_entry.compressed_len() != 0 \|\| p2.0 == 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	836 break;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	837 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	838 let parent_base =
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	839 p2_entry.base_revision_or_base_of_delta_chain();
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	840 if parent_base.0 == p2.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	841 break;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	842 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	843 p2 = self
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	844 .check_revision(parent_base)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	845 .ok_or(RevlogError::InvalidRevision)?;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	846 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	847 if base == p1.0 \|\| base == p2.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	848 return Ok(false);
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	849 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	850 rev = self
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	851 .check_revision(base.into())
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	852 .ok_or(RevlogError::InvalidRevision)?;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	853 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	854 Ok(rev == NULL_REVISION)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	855 }
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	856
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	857 /// Return whether the given revision is a snapshot. Returns an error if
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	858 /// `rev` is not within a valid revision range.
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	859 pub fn is_snapshot(
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	860 &self,
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	861 rev: UncheckedRevision,
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	862 ) -> Result<bool, RevlogError> {
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	863 let rev = self
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	864 .check_revision(rev)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	865 .ok_or_else(\|\| RevlogError::corrupted("test"))?;
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	866 self.is_snapshot_unchecked(rev)
b8c89957a6b7 rust-index: add `is_snapshot` method Rapha?l Gom?s <rgomes@octobus.net> parents: 51206 diff changeset	867 }
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	868
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	869 /// Slice revs to reduce the amount of unrelated data to be read from disk.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	870 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	871 /// The index is sliced into groups that should be read in one time.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	872 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	873 /// The initial chunk is sliced until the overall density
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	874 /// (payload/chunks-span ratio) is above `target_density`.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	875 /// No gap smaller than `min_gap_size` is skipped.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	876 pub fn slice_chunk_to_density(
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	877 &self,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	878 revs: &[Revision],
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	879 target_density: f64,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	880 min_gap_size: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	881 ) -> Vec<Vec<Revision>> {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	882 if revs.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	883 return vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	884 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	885 if revs.len() == 1 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	886 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	887 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	888 let delta_chain_span = self.segment_span(revs);
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	889 if delta_chain_span < min_gap_size {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	890 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	891 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	892 let entries: Vec<_> = revs
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	893 .iter()
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	894 .map(\|r\| {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	895 (r, self.get_entry(r).unwrap_or_else(\|\| self.null_entry()))
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	896 })
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	897 .collect();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	898
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	899 let mut read_data = delta_chain_span;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	900 let chain_payload: u32 =
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	901 entries.iter().map(\|(_r, e)\| e.compressed_len()).sum();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	902 let mut density = if delta_chain_span > 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	903 chain_payload as f64 / delta_chain_span as f64
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	904 } else {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	905 1.0
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	906 };
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	907
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	908 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	909 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	910 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	911
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	912 // Store the gaps in a heap to have them sorted by decreasing size
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	913 let mut gaps = Vec::new();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	914 let mut previous_end = None;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	915
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	916 for (i, (_rev, entry)) in entries.iter().enumerate() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	917 let start = entry.c_start() as usize;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	918 let length = entry.compressed_len();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	919
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	920 // Skip empty revisions to form larger holes
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	921 if length == 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	922 continue;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	923 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	924
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	925 if let Some(end) = previous_end {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	926 let gap_size = start - end;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	927 // Only consider holes that are large enough
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	928 if gap_size > min_gap_size {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	929 gaps.push((gap_size, i));
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	930 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	931 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	932 previous_end = Some(start + length as usize);
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	933 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	934 if gaps.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	935 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	936 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	937 // sort the gaps to pop them from largest to small
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	938 gaps.sort_unstable();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	939
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	940 // Collect the indices of the largest holes until
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	941 // the density is acceptable
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	942 let mut selected = vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	943 while let Some((gap_size, gap_id)) = gaps.pop() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	944 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	945 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	946 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	947 selected.push(gap_id);
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	948
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	949 // The gap sizes are stored as negatives to be sorted decreasingly
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	950 // by the heap
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	951 read_data -= gap_size;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	952 density = if read_data > 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	953 chain_payload as f64 / read_data as f64
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	954 } else {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	955 1.0
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	956 };
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	957 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	958 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	959 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	960 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	961 selected.sort_unstable();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	962 selected.push(revs.len());
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	963
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	964 // Cut the revs at collected indices
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	965 let mut previous_idx = 0;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	966 let mut chunks = vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	967 for idx in selected {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	968 let chunk = self.trim_chunk(&entries, previous_idx, idx);
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	969 if !chunk.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	970 chunks.push(chunk.iter().map(\|(rev, _entry)\| *rev).collect());
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	971 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	972 previous_idx = idx;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	973 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	974 let chunk = self.trim_chunk(&entries, previous_idx, entries.len());
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	975 if !chunk.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	976 chunks.push(chunk.iter().map(\|(rev, _entry)\| *rev).collect());
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	977 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	978
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	979 chunks
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	980 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	981
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	982 /// Get the byte span of a segment of sorted revisions.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	983 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	984 /// Occurrences of [`NULL_REVISION`] are ignored at the beginning of
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	985 /// the `revs` segment.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	986 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	987 /// panics:
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	988 /// - if `revs` is empty or only made of `NULL_REVISION`
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	989 /// - if cannot retrieve entry for the last or first not null element of
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	990 /// `revs`.
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	991 fn segment_span(&self, revs: &[Revision]) -> usize {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	992 if revs.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	993 return 0;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	994 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	995 let last_entry = &self.get_entry(revs[revs.len() - 1]).unwrap();
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	996 let end = last_entry.c_start() + last_entry.compressed_len() as u64;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	997 let first_rev = revs.iter().find(\|r\| r.0 != NULL_REVISION.0).unwrap();
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	998 let start = if first_rev.0 == 0 {
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	999 0
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1000 } else {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1001 self.get_entry(*first_rev).unwrap().c_start()
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1002 };
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1003 (end - start) as usize
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1004 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1005
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1006 /// Returns `&revs[startidx..endidx]` without empty trailing revs
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1007 fn trim_chunk<'a>(
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1008 &'a self,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1009 revs: &'a [(Revision, IndexEntry)],
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1010 start: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1011 mut end: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1012 ) -> &'a [(Revision, IndexEntry)] {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1013 // Trim empty revs at the end, except the very first rev of a chain
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1014 let last_rev = revs[end - 1].0;
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1015 if last_rev.0 < self.len() as BaseRevision {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1016 while end > 1
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1017 && end > start
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1018 && revs[end - 1].1.compressed_len() == 0
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1019 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1020 end -= 1
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1021 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1022 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1023 &revs[start..end]
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1024 }
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1025
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1026 /// Computes the set of revisions for each non-public phase from `roots`,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1027 /// which are the last known roots for each non-public phase.
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1028 pub fn compute_phases_map_sets(
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1029 &self,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1030 roots: HashMap<Phase, Vec<Revision>>,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1031 ) -> Result<(usize, RootsPerPhase), GraphError> {
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1032 let mut phases = vec![Phase::Public; self.len()];
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1033 let mut min_phase_rev = NULL_REVISION;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1034
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1035 for phase in Phase::non_public_phases() {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1036 if let Some(phase_roots) = roots.get(phase) {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1037 let min_rev =
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1038 self.add_roots_get_min(phase_roots, &mut phases, *phase);
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1039 if min_rev != NULL_REVISION
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1040 && (min_phase_rev == NULL_REVISION
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1041 \|\| min_rev < min_phase_rev)
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1042 {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1043 min_phase_rev = min_rev;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1044 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1045 } else {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1046 continue;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1047 };
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1048 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1049 let mut phase_sets: RootsPerPhase = Default::default();
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1050
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1051 if min_phase_rev == NULL_REVISION {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1052 min_phase_rev = Revision(self.len() as BaseRevision);
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1053 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1054
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1055 for rev in min_phase_rev.0..self.len() as BaseRevision {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1056 let rev = Revision(rev);
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1057 let [p1, p2] = self.parents(rev)?;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1058
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1059 if p1.0 >= 0 && phases[p1.0 as usize] > phases[rev.0 as usize] {
7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1060 phases[rev.0 as usize] = phases[p1.0 as usize];
7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1061 }
7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1062 if p2.0 >= 0 && phases[p2.0 as usize] > phases[rev.0 as usize] {
7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1063 phases[rev.0 as usize] = phases[p2.0 as usize];
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1064 }
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1065 let set = match phases[rev.0 as usize] {
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1066 Phase::Public => continue,
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1067 phase => &mut phase_sets[phase as usize - 1],
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1068 };
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1069 set.push(rev);
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1070 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1071
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1072 Ok((self.len(), phase_sets))
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1073 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1074
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1075 fn add_roots_get_min(
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1076 &self,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1077 phase_roots: &[Revision],
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1078 phases: &mut [Phase],
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1079 phase: Phase,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1080 ) -> Revision {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1081 let mut min_rev = NULL_REVISION;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1082
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1083 for root in phase_roots {
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1084 phases[root.0 as usize] = phase;
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1085 if min_rev == NULL_REVISION \|\| min_rev > *root {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1086 min_rev = *root;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1087 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1088 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1089 min_rev
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1090 }
51219 fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1091
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1092 /// Return `(heads(::(<roots> and <roots>::<heads>)))`
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1093 /// If `include_path` is `true`, return `(<roots>::<heads>)`."""
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1094 ///
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1095 /// `min_root` and `roots` are unchecked since they are just used as
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1096 /// a bound or for comparison and don't need to represent a valid revision.
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1097 /// In practice, the only invalid revision passed is the working directory
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1098 /// revision ([`i32::MAX`]).
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1099 pub fn reachable_roots(
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1100 &self,
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1101 min_root: UncheckedRevision,
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1102 mut heads: Vec<Revision>,
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1103 roots: HashSet<UncheckedRevision>,
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1104 include_path: bool,
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1105 ) -> Result<HashSet<Revision>, GraphError> {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1106 if roots.is_empty() {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1107 return Ok(HashSet::new());
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1108 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1109 let mut reachable = HashSet::new();
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1110 let mut seen = HashMap::new();
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1111
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1112 while let Some(rev) = heads.pop() {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1113 if roots.contains(&rev.into()) {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1114 reachable.insert(rev);
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1115 if !include_path {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1116 continue;
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1117 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1118 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1119 let parents = self.parents(rev)?;
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1120 seen.insert(rev, parents);
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1121 for parent in parents {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1122 if parent.0 >= min_root.0 && !seen.contains_key(&parent) {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1123 heads.push(parent);
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1124 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1125 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1126 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1127 if !include_path {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1128 return Ok(reachable);
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1129 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1130 let mut revs: Vec<_> = seen.keys().collect();
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1131 revs.sort_unstable();
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1132 for rev in revs {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1133 for parent in seen[rev] {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1134 if reachable.contains(&parent) {
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1135 reachable.insert(*rev);
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1136 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1137 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1138 }
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1139 Ok(reachable)
fc05dd74e907 rust-index: add support for `reachableroots2` Rapha?l Gom?s <rgomes@octobus.net> parents: 51217 diff changeset	1140 }
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1141
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1142 /// Given a (possibly overlapping) set of revs, return all the
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1143 /// common ancestors heads: `heads(::args[0] and ::a[1] and ...)`
51222 89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1144 pub fn common_ancestor_heads(
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1145 &self,
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1146 revisions: &[Revision],
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1147 ) -> Result<Vec<Revision>, GraphError> {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1148 // given that revisions is expected to be small, we find this shortcut
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1149 // potentially acceptable, especially given that `hg-cpython` could
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1150 // very much bypass this, constructing a vector of unique values from
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1151 // the onset.
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1152 let as_set: HashSet<Revision> = revisions.iter().copied().collect();
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1153 // Besides deduplicating, the C version also implements the shortcut
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1154 // for `NULL_REVISION`:
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1155 if as_set.contains(&NULL_REVISION) {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1156 return Ok(vec![]);
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1157 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1158
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1159 let revisions: Vec<Revision> = as_set.into_iter().collect();
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1160
51226 1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1161 if revisions.len() < 8 {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1162 self.find_gca_candidates::<u8>(&revisions)
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1163 } else if revisions.len() < 64 {
51222 89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1164 self.find_gca_candidates::<u64>(&revisions)
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1165 } else {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1166 self.find_gca_candidates::<NonStaticPoisonableBitSet>(&revisions)
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1167 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1168 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1169
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1170 pub fn ancestors(
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1171 &self,
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1172 revisions: &[Revision],
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1173 ) -> Result<Vec<Revision>, GraphError> {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors() Georges Racinet <georges.racinet@octobus.net> parents: 51221 diff changeset	1174 self.find_deepest_revs(&self.common_ancestor_heads(revisions)?)
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1175 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1176
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1177 /// Given a disjoint set of revs, return all candidates for the
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1178 /// greatest common ancestor. In revset notation, this is the set
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1179 /// `heads(::a and ::b and ...)`
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1180 fn find_gca_candidates<BS: PoisonableBitSet + Clone>(
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1181 &self,
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1182 revs: &[Revision],
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1183 ) -> Result<Vec<Revision>, GraphError> {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1184 if revs.is_empty() {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1185 return Ok(vec![]);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1186 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1187 let revcount = revs.len();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1188 let mut candidates = vec![];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1189 let max_rev = revs.iter().max().unwrap();
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1190
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1191 let mut seen = BS::vec_of_empty(revs.len(), (max_rev.0 + 1) as usize);
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1192
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1193 for (idx, rev) in revs.iter().enumerate() {
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1194 seen[rev.0 as usize].add(idx);
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1195 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1196 let mut current_rev = *max_rev;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1197 // Number of revisions whose inspection in the main loop
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1198 // will give a result or trigger inspection of other revisions
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1199 let mut interesting = revcount;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1200
51223 83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1201 // The algorithm works on a vector of bit sets, indexed by revision
83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1202 // numbers and iterated on reverse order.
83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1203 // An entry in this vector is poisoned if and only if the corresponding
83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1204 // revision is a common, yet not maximal ancestor.
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1205
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1206 // The principle of the algorithm is as follows:
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1207 // For a revision `r`, when entering the loop, `seen[r]` is either
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1208 // poisoned or the sub set of `revs` of which `r` is an ancestor.
51223 83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1209 // In this sub set is full, then `r` is a solution and its parents
83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1210 // have to be poisoned.
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1211 //
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1212 // At each iteration, the bit sets of the parents are updated by
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1213 // union with `seen[r]`.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1214 // As we walk the index from the end, we are sure we have encountered
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1215 // all children of `r` before `r`, hence we know that `seen[r]` is
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1216 // fully computed.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1217 //
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1218 // On top of that there are several optimizations that make reading
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1219 // less obvious than the comment above:
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1220 // - The `interesting` counter allows to break early
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1221 // - The loop starts from `max(revs)`
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1222 // - Early return in case it is detected that one of the incoming revs
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1223 // is a common ancestor of all of them.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1224 while current_rev.0 >= 0 && interesting > 0 {
51223 83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1225 let current_seen = seen[current_rev.0 as usize].clone();
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1226
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1227 if current_seen.is_empty() {
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1228 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1229 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1230 }
51223 83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1231 let mut poison = current_seen.is_poisoned();
83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1232 if !poison {
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1233 interesting -= 1;
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1234 if current_seen.is_full_range(revcount) {
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1235 candidates.push(current_rev);
51223 83091c14058c rust-index: avoid some cloning in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51222 diff changeset	1236 poison = true;
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1237
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1238 // Being a common ancestor, if `current_rev` is among
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1239 // the input revisions, it is the answer.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1240 for rev in revs {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1241 if *rev == current_rev {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1242 return Ok(candidates);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1243 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1244 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1245 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1246 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1247 for parent in self.parents(current_rev)? {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1248 if parent == NULL_REVISION {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1249 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1250 }
51225 61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1251 let parent_seen = &mut seen[parent.0 as usize];
51224 e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1252 if poison {
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1253 // this block is logically equivalent to poisoning parent
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1254 // and counting it as non interesting if it
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1255 // has been seen before (hence counted then as interesting)
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1256 if !parent_seen.is_empty() && !parent_seen.is_poisoned() {
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1257 interesting -= 1;
e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1258 }
51225 61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1259 parent_seen.poison();
51224 e553cd209215 rust-index: avoid double negation in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51223 diff changeset	1260 } else {
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1261 if parent_seen.is_empty() {
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1262 interesting += 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1263 }
51225 61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1264 parent_seen.union(&current_seen);
51220 42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1265 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1266 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1267
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1268 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1269 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1270
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1271 Ok(candidates)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1272 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1273
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1274 /// Given a disjoint set of revs, return the subset with the longest path
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1275 /// to the root.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1276 fn find_deepest_revs(
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1277 &self,
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1278 revs: &[Revision],
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1279 ) -> Result<Vec<Revision>, GraphError> {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1280 // TODO replace this all with just comparing rank?
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1281 // Also, the original implementations in C/Python are cryptic, not
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1282 // even sure we actually need this?
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1283 if revs.len() <= 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1284 return Ok(revs.to_owned());
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1285 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1286 let max_rev = revs.iter().max().unwrap().0;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1287 let mut interesting = HashMap::new();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1288 let mut seen = vec![0; max_rev as usize + 1];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1289 let mut depth = vec![0; max_rev as usize + 1];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1290 let mut mapping = vec![];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1291 let mut revs = revs.to_owned();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1292 revs.sort_unstable();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1293
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1294 for (idx, rev) in revs.iter().enumerate() {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1295 depth[rev.0 as usize] = 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1296 let shift = 1 << idx;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1297 seen[rev.0 as usize] = shift;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1298 interesting.insert(shift, 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1299 mapping.push((shift, *rev));
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1300 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1301
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1302 let mut current_rev = Revision(max_rev);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1303 while current_rev.0 >= 0 && interesting.len() > 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1304 let current_depth = depth[current_rev.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1305 if current_depth == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1306 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1307 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1308 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1309
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1310 let current_seen = seen[current_rev.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1311 for parent in self.parents(current_rev)? {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1312 if parent == NULL_REVISION {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1313 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1314 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1315 let parent_seen = seen[parent.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1316 let parent_depth = depth[parent.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1317 if parent_depth <= current_depth {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1318 depth[parent.0 as usize] = current_depth + 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1319 if parent_seen != current_seen {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1320 *interesting.get_mut(&current_seen).unwrap() += 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1321 seen[parent.0 as usize] = current_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1322 if parent_seen != 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1323 let parent_interesting =
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1324 interesting.get_mut(&parent_seen).unwrap();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1325 *parent_interesting -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1326 if *parent_interesting == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1327 interesting.remove(&parent_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1328 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1329 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1330 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1331 } else if current_depth == parent_depth - 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1332 let either_seen = parent_seen \| current_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1333 if either_seen == parent_seen {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1334 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1335 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1336 seen[parent.0 as usize] = either_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1337 interesting
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1338 .entry(either_seen)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1339 .and_modify(\|v\| *v += 1)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1340 .or_insert(1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1341 *interesting.get_mut(&parent_seen).unwrap() -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1342 if interesting[&parent_seen] == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1343 interesting.remove(&parent_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1344 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1345 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1346 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1347 *interesting.get_mut(&current_seen).unwrap() -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1348 if interesting[&current_seen] == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1349 interesting.remove(&current_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1350 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1351
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1352 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1353 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1354
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1355 if interesting.len() != 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1356 return Ok(vec![]);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1357 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1358 let mask = interesting.keys().next().unwrap();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1359
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1360 Ok(mapping
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1361 .into_iter()
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1362 .filter_map(\|(shift, rev)\| {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1363 if (mask & shift) != 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1364 return Some(rev);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1365 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1366 None
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1367 })
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1368 .collect())
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest Rapha?l Gom?s <rgomes@octobus.net> parents: 51219 diff changeset	1369 }
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1370 }
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1371
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1372 /// The kind of functionality needed by find_gca_candidates
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1373 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1374 /// This is a bit mask which can be declared to be "poisoned", which callers
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1375 /// interpret to break out of some loops.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1376 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1377 /// The maximum capacity of the bit mask is up to the actual implementation
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1378 trait PoisonableBitSet: Sized + PartialEq {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1379 /// Return a vector of exactly n elements, initialized to be empty.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1380 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1381 /// Optimization can vastly depend on implementation. Those being `Copy`
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1382 /// and having constant capacity typically can have a very simple
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1383 /// implementation.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1384 fn vec_of_empty(sets_size: usize, vec_len: usize) -> Vec<Self>;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1385
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1386 /// The size of the bit mask in memory
51703 ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1387 #[allow(unused)]
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1388 fn size(&self) -> usize;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1389
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1390 /// The number of elements that can be represented in the set.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1391 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1392 /// Another way to put it is that it is the highest integer `C` such that
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1393 /// the set is guaranteed to always be a subset of the integer range
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1394 /// `[0, C)`
51703 ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1395 #[allow(unused)]
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1396 fn capacity(&self) -> usize;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1397
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1398 /// Declare `n` to belong to the set
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1399 fn add(&mut self, n: usize);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1400
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1401 /// Declare `n` not to belong to the set
51703 ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1402 #[allow(unused)]
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1403 fn discard(&mut self, n: usize);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1404
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1405 /// Replace this bit set by its union with other
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1406 fn union(&mut self, other: &Self);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1407
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1408 /// Poison the bit set
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1409 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1410 /// Interpretation up to the caller
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1411 fn poison(&mut self);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1412
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1413 /// Is the bit set poisoned?
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1414 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1415 /// Interpretation is up to the caller
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1416 fn is_poisoned(&self) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1417
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1418 /// Is the bit set empty?
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1419 fn is_empty(&self) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1420
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1421 /// return `true` if and only if the bit is the full range `[0, n)`
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1422 /// of integers
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1423 fn is_full_range(&self, n: usize) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1424 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1425
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1426 const U64_POISON: u64 = 1 << 63;
51226 1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1427 const U8_POISON: u8 = 1 << 7;
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1428
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1429 impl PoisonableBitSet for u64 {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1430 fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1431 vec![0u64; vec_len]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1432 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1433
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1434 fn size(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1435 8
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1436 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1437
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1438 fn capacity(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1439 63
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1440 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1441
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1442 fn add(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1443 (*self) \|= 1u64 << n;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1444 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1445
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1446 fn discard(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1447 (*self) &= u64::MAX - (1u64 << n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1448 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1449
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1450 fn union(&mut self, other: &Self) {
51225 61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1451 if self != other {
61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1452 (self) \|= other;
61a6ef876efd rust-index: simplification in find_gca_candidates() Georges Racinet <georges.racinet@octobus.net> parents: 51224 diff changeset	1453 }
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1454 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1455
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1456 fn is_full_range(&self, n: usize) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1457 *self + 1 == (1u64 << n)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1458 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1459
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1460 fn is_empty(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1461 *self == 0
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1462 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1463
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1464 fn poison(&mut self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1465 *self = U64_POISON;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1466 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1467
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1468 fn is_poisoned(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1469 // equality comparison would be tempting but would not resist
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1470 // operations after poisoning (even if these should be bogus).
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1471 *self >= U64_POISON
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1472 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1473 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1474
51226 1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1475 impl PoisonableBitSet for u8 {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1476 fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1477 vec![0; vec_len]
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1478 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1479
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1480 fn size(&self) -> usize {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1481 1
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1482 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1483
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1484 fn capacity(&self) -> usize {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1485 7
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1486 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1487
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1488 fn add(&mut self, n: usize) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1489 (*self) \|= 1 << n;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1490 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1491
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1492 fn discard(&mut self, n: usize) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1493 (*self) &= u8::MAX - (1 << n);
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1494 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1495
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1496 fn union(&mut self, other: &Self) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1497 if self != other {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1498 (self) \|= other;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1499 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1500 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1501
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1502 fn is_full_range(&self, n: usize) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1503 *self + 1 == (1 << n)
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1504 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1505
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1506 fn is_empty(&self) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1507 *self == 0
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1508 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1509
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1510 fn poison(&mut self) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1511 *self = U8_POISON;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1512 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1513
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1514 fn is_poisoned(&self) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1515 // equality comparison would be tempting but would not resist
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1516 // operations after poisoning (even if these should be bogus).
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1517 *self >= U8_POISON
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1518 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1519 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions Georges Racinet <georges.racinet@octobus.net> parents: 51225 diff changeset	1520
51221 43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1521 /// A poisonable bit set whose capacity is not known at compile time but
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1522 /// is constant after initial construction
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1523 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1524 /// This can be way further optimized if performance assessments (speed
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1525 /// and/or RAM) require it.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1526 /// As far as RAM is concerned, for large vectors of these, the main problem
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1527 /// would be the repetition of set_size in each item. We would need a trait
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1528 /// to abstract over the idea of a vector of such bit sets to do better.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1529 #[derive(Clone, PartialEq)]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1530 struct NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1531 set_size: usize,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1532 bit_set: Vec<u64>,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1533 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1534
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1535 /// Number of `u64` needed for a [`NonStaticPoisonableBitSet`] of given size
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1536 fn non_static_poisonable_inner_len(set_size: usize) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1537 1 + (set_size + 1) / 64
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1538 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1539
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1540 impl NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1541 /// The index of the sub-bit set for the given n, and the index inside
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1542 /// the latter
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1543 fn index(&self, n: usize) -> (usize, usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1544 (n / 64, n % 64)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1545 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1546 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1547
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1548 /// Mock implementation to ensure that the trait makes sense
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1549 impl PoisonableBitSet for NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1550 fn vec_of_empty(set_size: usize, vec_len: usize) -> Vec<Self> {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1551 let tmpl = Self {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1552 set_size,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1553 bit_set: vec![0u64; non_static_poisonable_inner_len(set_size)],
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1554 };
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1555 vec![tmpl; vec_len]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1556 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1557
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1558 fn size(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1559 8 + self.bit_set.len() * 8
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1560 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1561
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1562 fn capacity(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1563 self.set_size
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1564 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1565
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1566 fn add(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1567 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1568 self.bit_set[sub_bs] \|= 1 << bit_pos
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1569 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1570
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1571 fn discard(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1572 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1573 self.bit_set[sub_bs] \|= u64::MAX - (1 << bit_pos)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1574 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1575
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1576 fn union(&mut self, other: &Self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1577 assert!(
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1578 self.set_size == other.set_size,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1579 "Binary operations on bit sets can only be done on same size"
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1580 );
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1581 for i in 0..self.bit_set.len() - 1 {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1582 self.bit_set[i] \|= other.bit_set[i]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1583 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1584 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1585
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1586 fn is_full_range(&self, n: usize) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1587 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1588 self.bit_set[..sub_bs].iter().all(\|bs\| *bs == u64::MAX)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1589 && self.bit_set[sub_bs] == (1 << (bit_pos + 1)) - 1
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1590 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1591
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1592 fn is_empty(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1593 self.bit_set.iter().all(\|bs\| *bs == 0u64)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1594 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1595
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1596 fn poison(&mut self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1597 let (sub_bs, bit_pos) = self.index(self.set_size);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1598 self.bit_set[sub_bs] = 1 << bit_pos;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1599 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1600
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1601 fn is_poisoned(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1602 let (sub_bs, bit_pos) = self.index(self.set_size);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1603 self.bit_set[sub_bs] >= 1 << bit_pos
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1604 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1605 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization Georges Racinet on incendie.racinet.fr <georges@racinet.fr> parents: 51220 diff changeset	1606
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1607 /// Set of roots of all non-public phases
51422 7c6d0b9dde37 rust-index: improve phase computation speed Rapha?l Gom?s <rgomes@octobus.net> parents: 51394 diff changeset	1608 pub type RootsPerPhase = [Vec<Revision>; Phase::non_public_phases().len()];
51217 c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1609
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1610 #[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)]
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1611 pub enum Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1612 Public = 0,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1613 Draft = 1,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1614 Secret = 2,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1615 Archived = 3,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1616 Internal = 4,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1617 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1618
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1619 impl TryFrom<usize> for Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1620 type Error = RevlogError;
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1621
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1622 fn try_from(value: usize) -> Result<Self, Self::Error> {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1623 Ok(match value {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1624 0 => Self::Public,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1625 1 => Self::Draft,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1626 2 => Self::Secret,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1627 32 => Self::Archived,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1628 96 => Self::Internal,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1629 v => {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1630 return Err(RevlogError::corrupted(format!(
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1631 "invalid phase value {}",
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1632 v
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1633 )))
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1634 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1635 })
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1636 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1637 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1638
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1639 impl Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1640 pub const fn all_phases() -> &'static [Self] {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1641 &[
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1642 Self::Public,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1643 Self::Draft,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1644 Self::Secret,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1645 Self::Archived,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1646 Self::Internal,
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1647 ]
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1648 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1649 pub const fn non_public_phases() -> &'static [Self] {
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1650 &[Self::Draft, Self::Secret, Self::Archived, Self::Internal]
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1651 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1652 }
c817d9f626d3 rust-index: add support for `computephasesmapsets` Rapha?l Gom?s <rgomes@octobus.net> parents: 51215 diff changeset	1653
51194 4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1654 fn inline_scan(bytes: &[u8]) -> (usize, Vec<usize>) {
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1655 let mut offset: usize = 0;
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1656 let mut offsets = Vec::new();
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1657
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1658 while offset + INDEX_ENTRY_SIZE <= bytes.len() {
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1659 offsets.push(offset);
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1660 let end = offset + INDEX_ENTRY_SIZE;
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1661 let entry = IndexEntry {
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1662 bytes: &bytes[offset..end],
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1663 };
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1664
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1665 offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize;
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1666 }
4e6620b7fbbb rust-index: support cache clearing Rapha?l Gom?s <rgomes@octobus.net> parents: 51192 diff changeset	1667 (offset, offsets)
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1668 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1669
46090 9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1670 impl super::RevlogIndex for Index {
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1671 fn len(&self) -> usize {
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1672 self.len()
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1673 }
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1674
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1675 fn node(&self, rev: Revision) -> Option<&Node> {
51206 e9d47e2f5dcf rust-index: add missing special case for null rev Rapha?l Gom?s <rgomes@octobus.net> parents: 51202 diff changeset	1676 if rev == NULL_REVISION {
e9d47e2f5dcf rust-index: add missing special case for null rev Rapha?l Gom?s <rgomes@octobus.net> parents: 51202 diff changeset	1677 return Some(&NULL_NODE);
e9d47e2f5dcf rust-index: add missing special case for null rev Rapha?l Gom?s <rgomes@octobus.net> parents: 51202 diff changeset	1678 }
46090 9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1679 self.get_entry(rev).map(\|entry\| entry.hash())
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1680 }
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1681 }
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1682
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1683 #[derive(Debug)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1684 pub struct IndexEntry<'a> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1685 bytes: &'a [u8],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1686 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1687
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1688 impl<'a> IndexEntry<'a> {
45593 da30e4b553c3 hg-core: minor docstring update (D8958#inline-14991 followup) Antoine cezar<acezar@chwitlabs.fr> parents: 45592 diff changeset	1689 /// Return the offset of the data.
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1690 pub fn offset(&self) -> usize {
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1691 let mut bytes = [0; 8];
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1692 bytes[2..8].copy_from_slice(&self.bytes[0..=5]);
d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1693 BigEndian::read_u64(&bytes[..]) as usize
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1694 }
51202 002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	1695 pub fn raw_offset(&self) -> u64 {
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	1696 BigEndian::read_u64(&self.bytes[0..8])
002b49905aac rust-index: implementation of __getitem__ Rapha?l Gom?s <rgomes@octobus.net> parents: 51200 diff changeset	1697 }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1698
51215 0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1699 /// Same result (except potentially for rev 0) as C `index_get_start()`
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1700 fn c_start(&self) -> u64 {
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1701 self.raw_offset() >> 16
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1702 }
0112803e6c01 rust-index: add support for `_slicechunktodensity` Rapha?l Gom?s <rgomes@octobus.net> parents: 51213 diff changeset	1703
48546 e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible Simon Sapin <simon.sapin@octobus.net> parents: 48543 diff changeset	1704 pub fn flags(&self) -> u16 {
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible Simon Sapin <simon.sapin@octobus.net> parents: 48543 diff changeset	1705 BigEndian::read_u16(&self.bytes[6..=7])
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible Simon Sapin <simon.sapin@octobus.net> parents: 48543 diff changeset	1706 }
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible Simon Sapin <simon.sapin@octobus.net> parents: 48543 diff changeset	1707
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1708 /// Return the compressed length of the data.
48543 0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed Simon Sapin <simon.sapin@octobus.net> parents: 48458 diff changeset	1709 pub fn compressed_len(&self) -> u32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed Simon Sapin <simon.sapin@octobus.net> parents: 48458 diff changeset	1710 BigEndian::read_u32(&self.bytes[8..=11])
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1711 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1712
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1713 /// Return the uncompressed length of the data.
48543 0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed Simon Sapin <simon.sapin@octobus.net> parents: 48458 diff changeset	1714 pub fn uncompressed_len(&self) -> i32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed Simon Sapin <simon.sapin@octobus.net> parents: 48458 diff changeset	1715 BigEndian::read_i32(&self.bytes[12..=15])
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1716 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1717
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1718 /// Return the revision upon which the data has been derived.
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1719 pub fn base_revision_or_base_of_delta_chain(&self) -> UncheckedRevision {
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1720 // TODO Maybe return an Option when base_revision == rev?
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1721 // Requires to add rev to IndexEntry
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1722
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1723 BigEndian::read_i32(&self.bytes[16..]).into()
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1724 }
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1725
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1726 pub fn link_revision(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1727 BigEndian::read_i32(&self.bytes[20..]).into()
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1728 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1729
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1730 pub fn p1(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1731 BigEndian::read_i32(&self.bytes[24..]).into()
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1732 }
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1733
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1734 pub fn p2(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1735 BigEndian::read_i32(&self.bytes[28..]).into()
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1736 }
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1737
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1738 /// Return the hash of revision's full text.
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1739 ///
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1740 /// Currently, SHA-1 is used and only the first 20 bytes of this field
b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1741 /// are used.
46090 9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 46033 diff changeset	1742 pub fn hash(&self) -> &'a Node {
46033 88e741bf2d93 rust: use NodePrefix::from_hex instead of hex::decode directly Simon Sapin <simon-commits@exyr.org> parents: 45602 diff changeset	1743 (&self.bytes[32..52]).try_into().unwrap()
45531 b0d6309ff50c hg-core: check data integrity in `Revlog` Antoine Cezar <antoine.cezar@octobus.net> parents: 45526 diff changeset	1744 }
51200 7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	1745
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	1746 pub fn as_bytes(&self) -> &'a [u8] {
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	1747 self.bytes
7434747343ab rust-index: check that the entry bytes are the same in both indexes Rapha?l Gom?s <rgomes@octobus.net> parents: 51195 diff changeset	1748 }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1749 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1750
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1751 #[cfg(test)]
51703 ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1752 pub use tests::IndexEntryBuilder;
ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1753
ec7171748350 rust: apply clippy lints Rapha?l Gom?s <rgomes@octobus.net> parents: 51696 diff changeset	1754 #[cfg(test)]
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1755 mod tests {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1756 use super::*;
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1757 use crate::node::NULL_NODE;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1758
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1759 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1760 #[derive(Debug, Copy, Clone)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1761 pub struct IndexEntryBuilder {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1762 is_first: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1763 is_inline: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1764 is_general_delta: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1765 version: u16,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1766 offset: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1767 compressed_len: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1768 uncompressed_len: usize,
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1769 base_revision_or_base_of_delta_chain: Revision,
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1770 link_revision: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1771 p1: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1772 p2: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1773 node: Node,
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1774 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1775
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1776 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1777 impl IndexEntryBuilder {
49926 0780371d6b1e rust-clippy: tell `clippy` we don't need to declare a default here Rapha?l Gom?s <rgomes@octobus.net> parents: 49631 diff changeset	1778 #[allow(clippy::new_without_default)]
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1779 pub fn new() -> Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1780 Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1781 is_first: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1782 is_inline: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1783 is_general_delta: true,
49092 d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder Martin von Zweigbergk <martinvonz@google.com> parents: 48546 diff changeset	1784 version: 1,
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1785 offset: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1786 compressed_len: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1787 uncompressed_len: 0,
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1788 base_revision_or_base_of_delta_chain: Revision(0),
4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1789 link_revision: Revision(0),
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1790 p1: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1791 p2: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1792 node: NULL_NODE,
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1793 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1794 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1795
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1796 pub fn is_first(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1797 self.is_first = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1798 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1799 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1800
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1801 pub fn with_inline(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1802 self.is_inline = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1803 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1804 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1805
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1806 pub fn with_general_delta(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1807 self.is_general_delta = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1808 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1809 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1810
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1811 pub fn with_version(&mut self, value: u16) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1812 self.version = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1813 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1814 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1815
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1816 pub fn with_offset(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1817 self.offset = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1818 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1819 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1820
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1821 pub fn with_compressed_len(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1822 self.compressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1823 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1824 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1825
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1826 pub fn with_uncompressed_len(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1827 self.uncompressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1828 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1829 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1830
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1831 pub fn with_base_revision_or_base_of_delta_chain(
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1832 &mut self,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1833 value: Revision,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1834 ) -> &mut Self {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1835 self.base_revision_or_base_of_delta_chain = value;
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1836 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1837 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1838
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1839 pub fn with_link_revision(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1840 self.link_revision = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1841 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1842 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1843
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1844 pub fn with_p1(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1845 self.p1 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1846 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1847 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1848
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1849 pub fn with_p2(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1850 self.p2 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1851 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1852 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1853
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1854 pub fn with_node(&mut self, value: Node) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1855 self.node = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1856 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1857 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1858
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1859 pub fn build(&self) -> Vec<u8> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1860 let mut bytes = Vec::with_capacity(INDEX_ENTRY_SIZE);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1861 if self.is_first {
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1862 bytes.extend(match (self.is_general_delta, self.is_inline) {
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1863 (false, false) => [0u8, 0],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1864 (false, true) => [0u8, 1],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1865 (true, false) => [0u8, 2],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1866 (true, true) => [0u8, 3],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1867 });
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1868 bytes.extend(self.version.to_be_bytes());
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1869 // Remaining offset bytes.
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1870 bytes.extend([0u8; 2]);
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1871 } else {
46887 6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	1872 // Offset stored on 48 bits (6 bytes)
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	1873 bytes.extend(&(self.offset as u64).to_be_bytes()[2..]);
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1874 }
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1875 bytes.extend([0u8; 2]); // Revision flags.
c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1876 bytes.extend((self.compressed_len as u32).to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1877 bytes.extend((self.uncompressed_len as u32).to_be_bytes());
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1878 bytes.extend(
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1879 self.base_revision_or_base_of_delta_chain.0.to_be_bytes(),
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1880 );
51269 c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1881 bytes.extend(self.link_revision.0.to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1882 bytes.extend(self.p1.0.to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes Rapha?l Gom?s <rgomes@octobus.net> parents: 51261 diff changeset	1883 bytes.extend(self.p2.0.to_be_bytes());
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1884 bytes.extend(self.node.as_bytes());
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1885 bytes.extend(vec![0u8; 12]);
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1886 bytes
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1887 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1888 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1889
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1890 pub fn is_inline(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1891 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1892 .expect("too short")
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	1893 .unwrap()
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1894 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1895 .is_inline()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1896 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1897
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1898 pub fn uses_generaldelta(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1899 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1900 .expect("too short")
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	1901 .unwrap()
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1902 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1903 .uses_generaldelta()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1904 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1905
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1906 pub fn get_version(index_bytes: &[u8]) -> u16 {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1907 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1908 .expect("too short")
51188 13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options Rapha?l Gom?s <rgomes@octobus.net> parents: 51186 diff changeset	1909 .unwrap()
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1910 .format_version()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1911 }
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1912
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1913 #[test]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1914 fn flags_when_no_inline_flag_test() {
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1915 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1916 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1917 .with_general_delta(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1918 .with_inline(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1919 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1920
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1921 assert!(!is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1922 assert!(!uses_generaldelta(&bytes));
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1923 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1924
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1925 #[test]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1926 fn flags_when_inline_flag_test() {
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1927 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1928 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1929 .with_general_delta(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1930 .with_inline(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1931 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1932
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1933 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1934 assert!(!uses_generaldelta(&bytes));
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1935 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1936
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1937 #[test]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1938 fn flags_when_inline_and_generaldelta_flags_test() {
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1939 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1940 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1941 .with_general_delta(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1942 .with_inline(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1943 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1944
49930 e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1945 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core` Rapha?l Gom?s <rgomes@octobus.net> parents: 49926 diff changeset	1946 assert!(uses_generaldelta(&bytes));
45601 900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1947 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1948
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2) Antoine cezar<acezar@chwitlabs.fr> parents: 45593 diff changeset	1949 #[test]
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1950 fn test_offset() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1951 let bytes = IndexEntryBuilder::new().with_offset(1).build();
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1952 let entry = IndexEntry { bytes: &bytes };
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1953
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1954 assert_eq!(entry.offset(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1955 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1956
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1957 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1958 fn test_compressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1959 let bytes = IndexEntryBuilder::new().with_compressed_len(1).build();
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1960 let entry = IndexEntry { bytes: &bytes };
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1961
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1962 assert_eq!(entry.compressed_len(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1963 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1964
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1965 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1966 fn test_uncompressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1967 let bytes = IndexEntryBuilder::new().with_uncompressed_len(1).build();
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1968 let entry = IndexEntry { bytes: &bytes };
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1969
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1970 assert_eq!(entry.uncompressed_len(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1971 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1972
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1973 #[test]
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1974 fn test_base_revision_or_base_of_delta_chain() {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1975 let bytes = IndexEntryBuilder::new()
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1976 .with_base_revision_or_base_of_delta_chain(Revision(1))
48458 96ea4db4741b rhg: fix a crash on non-generaldelta revlogs Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48457 diff changeset	1977 .build();
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1978 let entry = IndexEntry { bytes: &bytes };
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1979
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1980 assert_eq!(entry.base_revision_or_base_of_delta_chain(), 1.into())
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	1981 }
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1982
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	1983 #[test]
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1984 fn link_revision_test() {
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1985 let bytes = IndexEntryBuilder::new()
4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1986 .with_link_revision(Revision(123))
4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1987 .build();
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1988
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1989 let entry = IndexEntry { bytes: &bytes };
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1990
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	1991 assert_eq!(entry.link_revision(), 123.into());
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1992 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1993
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1994 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1995 fn p1_test() {
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	1996 let bytes = IndexEntryBuilder::new().with_p1(Revision(123)).build();
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1997
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	1998 let entry = IndexEntry { bytes: &bytes };
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	1999
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	2000 assert_eq!(entry.p1(), 123.into());
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2001 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2002
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2003 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2004 fn p2_test() {
50976 4c5f6e95df84 rust: make `Revision` a newtype Rapha?l Gom?s <rgomes@octobus.net> parents: 50975 diff changeset	2005 let bytes = IndexEntryBuilder::new().with_p2(Revision(123)).build();
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2006
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	2007 let entry = IndexEntry { bytes: &bytes };
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2008
50974 1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable Rapha?l Gom?s <rgomes@octobus.net> parents: 49930 diff changeset	2009 assert_eq!(entry.p2(), 123.into());
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2010 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2011
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2012 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2013 fn node_test() {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2014 let node = Node::from_hex("0123456789012345678901234567890123456789")
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2015 .unwrap();
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2016 let bytes = IndexEntryBuilder::new().with_node(node).build();
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2017
51442 d2858d97af6c rust-index: drop offset_override Pierre-Yves David <pierre-yves.david@octobus.net> parents: 51422 diff changeset	2018 let entry = IndexEntry { bytes: &bytes };
49093 2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2019
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2020 assert_eq!(*entry.hash(), node);
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2021 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2022
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry Martin von Zweigbergk <martinvonz@google.com> parents: 49092 diff changeset	2023 #[test]
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2024 fn version_test() {
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2025 let bytes = IndexEntryBuilder::new()
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2026 .is_first(true)
49092 d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder Martin von Zweigbergk <martinvonz@google.com> parents: 48546 diff changeset	2027 .with_version(2)
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2028 .build();
1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2029
49092 d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder Martin von Zweigbergk <martinvonz@google.com> parents: 48546 diff changeset	2030 assert_eq!(get_version(&bytes), 2)
48457 1fb3615dfce2 rhg: centralize index header parsing Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48226 diff changeset	2031 }
45526 26c53ee51c68 hg-core: Add a limited read only `revlog` implementation Antoine Cezar <antoine.cezar@octobus.net> parents: diff changeset	2032 }

Mercurial > public > mercurial-scm > hg

annotate rust/hg-core/src/revlog/index.rs @ 51974:5d1e6f447d2d