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| author | Bram Moolenaar <Bram@vim.org> | 2013-11-28 14:20:17 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2013-11-28 14:20:17 +0100 |
| commit | 174a848b677c6cd66def00d36a2b25332ca49e38 (patch) | |
| tree | 7f3eb1596727c3566b119849cbfb3e39546bd0de /src/regexp_nfa.c | |
| parent | 3678208477b1f0586128f7f18a6382d342c0c960 (diff) | |
| download | vim-git-174a848b677c6cd66def00d36a2b25332ca49e38.tar.gz | |
updated for version 7.4.104v7.4.104
Problem: ":help s/\_" reports an internal error. (John Beckett)
Solution: Check for NUL and invalid character classes.
Diffstat (limited to 'src/regexp_nfa.c')
| -rw-r--r-- | src/regexp_nfa.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c index cf7694bb0..787b34366 100644 --- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -239,7 +239,9 @@ static int nfa_classcodes[] = { NFA_UPPER, NFA_NUPPER }; +static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely"); static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); +static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld"); /* NFA regexp \ze operator encountered. */ static int nfa_has_zend; @@ -1137,7 +1139,7 @@ nfa_regatom() switch (c) { case NUL: - EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); + EMSG_RET_FAIL(_(e_nul_found)); case Magic('^'): EMIT(NFA_BOL); @@ -1160,6 +1162,9 @@ nfa_regatom() case Magic('_'): c = no_Magic(getchr()); + if (c == NUL) + EMSG_RET_FAIL(_(e_nul_found)); + if (c == '^') /* "\_^" is start-of-line */ { EMIT(NFA_BOL); @@ -1216,6 +1221,12 @@ nfa_regatom() p = vim_strchr(classchars, no_Magic(c)); if (p == NULL) { + if (extra == NFA_ADD_NL) + { + EMSGN(_(e_ill_char_class), c); + rc_did_emsg = TRUE; + return FAIL; + } EMSGN("INTERNAL: Unknown character class char: %ld", c); return FAIL; } @@ -4733,7 +4744,7 @@ check_char_class(class, c) default: /* should not be here :P */ - EMSGN("E877: (NFA regexp) Invalid character class: %ld", class); + EMSGN(_(e_ill_char_class), class); return FAIL; } return FAIL; |