diff options
| -rw-r--r-- | src/nvim/regexp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c index 9a04cc428a..b61c9a2cf5 100644 --- a/src/nvim/regexp.c +++ b/src/nvim/regexp.c @@ -2504,7 +2504,8 @@ long vim_regexec_multi( char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern); p_re = BACKTRACKING_ENGINE; - vim_regfree(rmp->regprog); + regprog_T *prev_prog = rmp->regprog; + report_re_switch(pat); // checking for \z misuse was already done when compiling for NFA, // allow all here @@ -2512,7 +2513,13 @@ long vim_regexec_multi( rmp->regprog = vim_regcomp(pat, re_flags); reg_do_extmatch = 0; - if (rmp->regprog != NULL) { + if (rmp->regprog == NULL) { + // Somehow compiling the pattern failed now, put back the + // previous one to avoid "regprog" becoming NULL. + rmp->regprog = prev_prog; + } else { + vim_regfree(prev_prog); + rmp->regprog->re_in_use = true; result = rmp->regprog->engine->regexec_multi(rmp, win, buf, lnum, col, tm, timed_out); |