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README.cosmo contains the necessary links.
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96
third_party/python/Modules/sre.h
vendored
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96
third_party/python/Modules/sre.h
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/*
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* Secret Labs' Regular Expression Engine
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*
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* regular expression matching engine
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*
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* Copyright (c) 1997-2001 by Secret Labs AB. All rights reserved.
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*
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* See the _sre.c file for information on usage and redistribution.
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*/
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#ifndef SRE_INCLUDED
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#define SRE_INCLUDED
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#include "sre_constants.h"
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/* size of a code word (must be unsigned short or larger, and
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large enough to hold a UCS4 character) */
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#define SRE_CODE Py_UCS4
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#if SIZEOF_SIZE_T > 4
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# define SRE_MAXREPEAT (~(SRE_CODE)0)
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# define SRE_MAXGROUPS ((~(SRE_CODE)0) / 2)
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#else
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# define SRE_MAXREPEAT ((SRE_CODE)PY_SSIZE_T_MAX)
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# define SRE_MAXGROUPS ((SRE_CODE)PY_SSIZE_T_MAX / SIZEOF_SIZE_T / 2)
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#endif
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typedef struct {
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PyObject_VAR_HEAD
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Py_ssize_t groups; /* must be first! */
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PyObject* groupindex;
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PyObject* indexgroup;
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/* compatibility */
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PyObject* pattern; /* pattern source (or None) */
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int flags; /* flags used when compiling pattern source */
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PyObject *weakreflist; /* List of weak references */
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int isbytes; /* pattern type (1 - bytes, 0 - string, -1 - None) */
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/* pattern code */
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Py_ssize_t codesize;
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SRE_CODE code[1];
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} PatternObject;
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#define PatternObject_GetCode(o) (((PatternObject*)(o))->code)
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typedef struct {
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PyObject_VAR_HEAD
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PyObject* string; /* link to the target string (must be first) */
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PyObject* regs; /* cached list of matching spans */
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PatternObject* pattern; /* link to the regex (pattern) object */
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Py_ssize_t pos, endpos; /* current target slice */
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Py_ssize_t lastindex; /* last index marker seen by the engine (-1 if none) */
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Py_ssize_t groups; /* number of groups (start/end marks) */
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Py_ssize_t mark[1];
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} MatchObject;
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typedef unsigned int (*SRE_TOLOWER_HOOK)(unsigned int ch);
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typedef struct SRE_REPEAT_T {
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Py_ssize_t count;
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SRE_CODE* pattern; /* points to REPEAT operator arguments */
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void* last_ptr; /* helper to check for infinite loops */
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struct SRE_REPEAT_T *prev; /* points to previous repeat context */
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} SRE_REPEAT;
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typedef struct {
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/* string pointers */
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void* ptr; /* current position (also end of current slice) */
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void* beginning; /* start of original string */
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void* start; /* start of current slice */
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void* end; /* end of original string */
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/* attributes for the match object */
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PyObject* string;
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Py_ssize_t pos, endpos;
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int isbytes;
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int charsize; /* character size */
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/* registers */
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Py_ssize_t lastindex;
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Py_ssize_t lastmark;
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void** mark;
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/* dynamically allocated stuff */
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char* data_stack;
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size_t data_stack_size;
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size_t data_stack_base;
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Py_buffer buffer;
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/* current repeat context */
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SRE_REPEAT *repeat;
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/* hooks */
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SRE_TOLOWER_HOOK lower, upper;
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} SRE_STATE;
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typedef struct {
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PyObject_HEAD
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PyObject* pattern;
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SRE_STATE state;
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} ScannerObject;
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#endif
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