42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
//
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// match.h - Header file for BP virtual machine.
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//
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#ifndef MATCH__H
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#define MATCH__H
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#include <stdbool.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include "pattern.h"
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//
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// Pattern matching result object
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//
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typedef struct match_s {
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// Where the match starts and ends (end is after the last character)
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const char *start, *end;
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pat_t *pat;
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// Intrusive linked list node for garbage collection:
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struct {
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struct match_s **home, *next;
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} gc;
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struct match_s **children;
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struct match_s *_children[3];
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} match_t;
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typedef void (*bp_errhand_t)(const char *err_msg);
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typedef enum {BP_STOP = 0, BP_CONTINUE} bp_match_behavior;
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typedef bp_match_behavior (*bp_match_callback)(match_t *m, int matchnum, void *userdata);
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int each_match(bp_match_callback fn, void *userdata, const char *start, const char *end, pat_t *pat, pat_t *defs, pat_t *skip, bool ignorecase);
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bp_errhand_t set_match_error_handler(bp_errhand_t errhand);
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__attribute__((nonnull))
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match_t *get_numbered_capture(match_t *m, int n);
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__attribute__((nonnull, pure))
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match_t *get_named_capture(match_t *m, const char *name, ssize_t namelen);
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#endif
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// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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