diff options
Diffstat (limited to 'src/nvim/regexp_nfa.c')
| -rw-r--r-- | src/nvim/regexp_nfa.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c index 7dfd16fb4f..8b5ee59d40 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -5243,9 +5243,12 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, switch (t->state->c) { case NFA_MATCH: { - // If the match ends before a composing characters and - // rex.reg_icombine is not set, that is not really a match. - if (!rex.reg_icombine && utf_iscomposing(curc)) { + // If the match is not at the start of the line, ends before a + // composing characters and rex.reg_icombine is not set, that + // is not really a match. + if (!rex.reg_icombine + && rex.input != rex.line + && utf_iscomposing(curc)) { break; } nfa_match = true; @@ -6477,8 +6480,7 @@ static long nfa_regtry(nfa_regprog_T *prog, if (lpos->start != NULL && lpos->end != NULL) re_extmatch_out->matches[i] = - vim_strnsave(lpos->start, - (int)(lpos->end - lpos->start)); + vim_strnsave(lpos->start, lpos->end - lpos->start); } } } @@ -6591,6 +6593,24 @@ static long nfa_regexec_both(char_u *line, colnr_T startcol, #endif theend: + if (retval > 0) { + // Make sure the end is never before the start. Can happen when \zs and + // \ze are used. + if (REG_MULTI) { + const lpos_T *const start = &rex.reg_mmatch->startpos[0]; + const lpos_T *const end = &rex.reg_mmatch->endpos[0]; + + if (end->lnum < start->lnum + || (end->lnum == start->lnum && end->col < start->col)) { + rex.reg_mmatch->endpos[0] = rex.reg_mmatch->startpos[0]; + } + } else { + if (rex.reg_match->endp[0] < rex.reg_match->startp[0]) { + rex.reg_match->endp[0] = rex.reg_match->startp[0]; + } + } + } + return retval; } |