diff options
Diffstat (limited to 'src/nvim/regexp_nfa.c')
| -rw-r--r-- | src/nvim/regexp_nfa.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c index 923db6422e..73308c6870 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -6055,21 +6055,27 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, { pos_T *pos = getmark_buf(rex.reg_buf, t->state->val, false); - // Compare the mark position to the match position. - result = (pos != NULL // mark doesn't exist - && pos->lnum > 0 // mark isn't set in reg_buf - && (pos->lnum == rex.lnum + rex.reg_firstlnum - ? (pos->col == (colnr_T)(rex.input - rex.line) - ? t->state->c == NFA_MARK - : (pos->col < (colnr_T)(rex.input - rex.line) - ? t->state->c == NFA_MARK_GT - : t->state->c == NFA_MARK_LT)) - : (pos->lnum < rex.lnum + rex.reg_firstlnum - ? t->state->c == NFA_MARK_GT - : t->state->c == NFA_MARK_LT))); - if (result) { - add_here = true; - add_state = t->state->out; + // Compare the mark position to the match position, if the mark + // exists and mark is set in reg_buf. + if (pos != NULL && pos->lnum > 0) { + const colnr_T pos_col = pos->lnum == rex.lnum + rex.reg_firstlnum + && pos->col == MAXCOL + ? (colnr_T)STRLEN(reg_getline(pos->lnum - rex.reg_firstlnum)) + : pos->col; + + result = pos->lnum == rex.lnum + rex.reg_firstlnum + ? (pos_col == (colnr_T)(rex.input - rex.line) + ? t->state->c == NFA_MARK + : (pos_col < (colnr_T)(rex.input - rex.line) + ? t->state->c == NFA_MARK_GT + : t->state->c == NFA_MARK_LT)) + : (pos->lnum < rex.lnum + rex.reg_firstlnum + ? t->state->c == NFA_MARK_GT + : t->state->c == NFA_MARK_LT); + if (result) { + add_here = true; + add_state = t->state->out; + } } break; } |