| author | Yuya Nishihara <yuya@tcha.org> |
| Mon, 31 Jul 2017 22:12:24 +0900 | |
| changeset 33756 | 5866ba5e9c48 |
| parent 32386 | 7640584e697c |
| child 33758 | 0f4ac3b6dee4 |
| permissions | -rw-r--r-- |
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util.h: Utility macros for handling different Python APIs.
Renato Cunha <renatoc@gmail.com>
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/* |
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util.h: Utility macros for handling different Python APIs.
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util.h - utility functions for interfacing with the various python APIs. |
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4494fb02d549
util.h: Utility macros for handling different Python APIs.
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util.h: Utility macros for handling different Python APIs.
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This software may be used and distributed according to the terms of |
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util.h: Utility macros for handling different Python APIs.
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the GNU General Public License, incorporated herein by reference. |
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util.h: Utility macros for handling different Python APIs.
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parents:
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*/ |
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util.h: Utility macros for handling different Python APIs.
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util.h: Utility macros for handling different Python APIs.
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#ifndef _HG_UTIL_H_ |
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#define _HG_UTIL_H_ |
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#include "compat.h" |
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#if PY_MAJOR_VERSION >= 3 |
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#define IS_PY3K |
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#endif |
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typedef struct { |
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PyObject_HEAD |
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char state; |
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int mode; |
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int size; |
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int mtime; |
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} dirstateTupleObject; |
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extern PyTypeObject dirstateTupleType; |
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#define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateTupleType) |
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util.h: define an enum for normcase specs
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/* This should be kept in sync with normcasespecs in encoding.py. */ |
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enum normcase_spec { |
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NORMCASE_LOWER = -1, |
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NORMCASE_UPPER = 1, |
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NORMCASE_OTHER = 0 |
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}; |
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phase: compute phases in C
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#define MIN(a, b) (((a)<(b))?(a):(b)) |
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/* VC9 doesn't include bool and lacks stdbool.h based on my searching */ |
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util: fix the check for non-C99 compilers (issue4605)
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#if defined(_MSC_VER) || __STDC_VERSION__ < 199901L |
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#define true 1 |
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#define false 0 |
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typedef unsigned char bool; |
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#else |
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#include <stdbool.h> |
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#endif |
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cext: move _dict_new_presized() to header
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static inline PyObject *_dict_new_presized(Py_ssize_t expected_size) |
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{ |
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/* _PyDict_NewPresized expects a minused parameter, but it actually |
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creates a dictionary that's the nearest power of two bigger than the |
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parameter. For example, with the initial minused = 1000, the |
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dictionary created has size 1024. Of course in a lot of cases that |
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can be greater than the maximum load factor Python's dict object |
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expects (= 2/3), so as soon as we cross the threshold we'll resize |
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anyway. So create a dictionary that's at least 3/2 the size. */ |
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return _PyDict_NewPresized(((1 + expected_size) / 2) * 3); |
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} |
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static const int8_t hextable[256] = { |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */ |
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-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */ |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */ |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 |
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}; |
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static inline int hexdigit(const char *p, Py_ssize_t off) |
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{ |
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int8_t val = hextable[(unsigned char)p[off]]; |
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if (val >= 0) { |
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return val; |
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} |
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PyErr_SetString(PyExc_ValueError, "input contains non-hex character"); |
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return 0; |
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} |
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#endif /* _HG_UTIL_H_ */ |