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annotate mercurial/cext/util.h @ 36884:ece242db5000

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hgweb: use templater on requestcontext instance After this commit, all @webcommand function no longer use their "tmpl" argument. Instead, they use the templater attached to the requestcontext. This is the same exact object. So there should be no difference in behavior. Differential Revision: https://phab.mercurial-scm.org/D2800
author Gregory Szorc <gregory.szorc@gmail.com>
date Sat, 10 Mar 2018 20:38:28 -0800
parents 9a639a33ad1f
children fa33196088c4
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4494fb02d549 util.h: Utility macros for handling different Python APIs.
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1 /*
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2 util.h - utility functions for interfacing with the various python APIs.
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3
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4 This software may be used and distributed according to the terms of
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5 the GNU General Public License, incorporated herein by reference.
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6 */
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7
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8 #ifndef _HG_UTIL_H_
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9 #define _HG_UTIL_H_
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10
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11 #include "compat.h"
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12
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13 #if PY_MAJOR_VERSION >= 3
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14 #define IS_PY3K
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15 #endif
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16
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17 /* helper to switch things like string literal depending on Python version */
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18 #ifdef IS_PY3K
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19 #define PY23(py2, py3) py3
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20 #else
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21 #define PY23(py2, py3) py2
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22 #endif
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23
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24 /* clang-format off */
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25 typedef struct {
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26 PyObject_HEAD
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27 char state;
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28 int mode;
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29 int size;
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30 int mtime;
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31 } dirstateTupleObject;
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32 /* clang-format on */
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33
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34 extern PyTypeObject dirstateTupleType;
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35 #define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateTupleType)
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36
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37 #ifndef MIN
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38 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
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39 #endif
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40 /* VC9 doesn't include bool and lacks stdbool.h based on my searching */
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41 #if defined(_MSC_VER) || __STDC_VERSION__ < 199901L
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42 #define true 1
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43 #define false 0
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44 typedef unsigned char bool;
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45 #else
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46 #include <stdbool.h>
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47 #endif
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48
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49 static inline PyObject *_dict_new_presized(Py_ssize_t expected_size)
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50 {
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51 /* _PyDict_NewPresized expects a minused parameter, but it actually
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52 creates a dictionary that's the nearest power of two bigger than the
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53 parameter. For example, with the initial minused = 1000, the
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54 dictionary created has size 1024. Of course in a lot of cases that
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55 can be greater than the maximum load factor Python's dict object
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56 expects (= 2/3), so as soon as we cross the threshold we'll resize
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57 anyway. So create a dictionary that's at least 3/2 the size. */
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58 return _PyDict_NewPresized(((1 + expected_size) / 2) * 3);
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59 }
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60
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61 #endif /* _HG_UTIL_H_ */