diff options
Diffstat (limited to 'src/nvim/regexp.c')
| -rw-r--r-- | src/nvim/regexp.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c index e0cc25421a..accf9b0bb5 100644 --- a/src/nvim/regexp.c +++ b/src/nvim/regexp.c @@ -692,6 +692,7 @@ static char_u *regparse; ///< Input-scan pointer. static int prevchr_len; ///< byte length of previous char static int num_complex_braces; ///< Complex \{...} count static int regnpar; ///< () count. +static bool wants_nfa; ///< regex should use NFA engine static int regnzpar; ///< \z() count. static int re_has_z; ///< \z item detected static char_u *regcode; ///< Code-emit pointer, or JUST_CALC_SIZE @@ -3974,17 +3975,25 @@ static bool regmatch( pos = getmark_buf(rex.reg_buf, mark, false); if (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) - ? (cmp == '<' || cmp == '>') - : (pos->col < (colnr_T)(rex.input - rex.line) - ? cmp != '>' - : cmp != '<')) - : (pos->lnum < rex.lnum + rex.reg_firstlnum - ? cmp != '>' - : cmp != '<'))) { + || pos->lnum <= 0) { // mark isn't set in reg_buf status = RA_NOMATCH; + } else { + 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; + + if (pos->lnum == rex.lnum + rex.reg_firstlnum + ? (pos_col == (colnr_T)(rex.input - rex.line) + ? (cmp == '<' || cmp == '>') + : (pos_col < (colnr_T)(rex.input - rex.line) + ? cmp != '>' + : cmp != '<')) + : (pos->lnum < rex.lnum + rex.reg_firstlnum + ? cmp != '>' + : cmp != '<')) { + status = RA_NOMATCH; + } } } break; @@ -7240,7 +7249,7 @@ regprog_T *vim_regcomp(char_u *expr_arg, int re_flags) // Check for error compiling regexp with initial engine. if (prog == NULL) { #ifdef BT_REGEXP_DEBUG_LOG - // Debugging log for NFA. + // Debugging log for BT engine. if (regexp_engine != BACKTRACKING_ENGINE) { FILE *f = fopen(BT_REGEXP_DEBUG_LOG_NAME, "a"); if (f) { @@ -7257,6 +7266,7 @@ regprog_T *vim_regcomp(char_u *expr_arg, int re_flags) // But don't try if an error message was given. if (regexp_engine == AUTOMATIC_ENGINE && !called_emsg) { regexp_engine = BACKTRACKING_ENGINE; + report_re_switch(expr); prog = bt_regengine.regcomp(expr, re_flags); } } |