Bruce Hill
24ed834317
chaining defs together. Also simplified `..` by just using a lookahead instead of retconning it. Immutability invariants are now enforced better.
40 lines
1.1 KiB
C
40 lines
1.1 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 "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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__attribute__((nonnull))
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void recycle_match(match_t **at_m);
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size_t free_all_matches(void);
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size_t recycle_all_matches(void);
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bool next_match(match_t **m, const char *start, const char *end, pat_t *pat, pat_t *defs, pat_t *skip, bool ignorecase);
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#define stop_matching(m) next_match(m, NULL, NULL, NULL, NULL, NULL, 0)
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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, size_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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