diff options
| -rw-r--r-- | vm.c | 18 |
1 files changed, 13 insertions, 5 deletions
@@ -296,16 +296,24 @@ static match_t *_match(grammar_t *g, file_t *f, const char *str, vm_op_t *op, un match_t *m1 = _match(g, f, str, op->args.multiple.first, flags, rec); if (m1 == NULL) return NULL; - // <p1>==<p2> matches iff both have the same start and end point - // <p1>!=<p2> matches iff <p1> matches, but is not equal to <p2> - match_t *m2 = _match(g, f, str, op->args.multiple.second, flags, rec); - if ((m2 == NULL || m2->end != m1->end) == (op->op == VM_EQUAL)) { + // <p1>==<p2> matches iff the text of <p1> matches <p2> + // <p1>!=<p2> matches iff the text of <p1> does not match <p2> + file_t inner = { + .filename=f->filename, + .contents=(char*)m1->start, .end=(char*)m1->end, + .lines=f->lines, // I think this works, but am not 100% sure + .length=(size_t)(m1->end - m1->start), + .nlines=1 + get_line_number(f, m1->end)-get_line_number(f, m1->start), + .mmapped=f->mmapped, + }; + match_t *m2 = _match(g, &inner, str, op->args.multiple.second, flags, rec); + if ((m2 == NULL) == (op->op == VM_EQUAL)) { destroy_match(&m1); destroy_match(&m2); return NULL; } match_t *m = calloc(sizeof(match_t), 1); - m->start = str; + m->start = m1->start; m->end = m1->end; m->op = op; m->child = m1; |
