diff options
Diffstat (limited to 'src/backend/regex/regcomp.c')
| -rw-r--r-- | src/backend/regex/regcomp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/regex/regcomp.c b/src/backend/regex/regcomp.c index 473738040bb..6fbe15f3781 100644 --- a/src/backend/regex/regcomp.c +++ b/src/backend/regex/regcomp.c @@ -177,6 +177,7 @@ static void breakconstraintloop(struct nfa *, struct state *); static void clonesuccessorstates(struct nfa *, struct state *, struct state *, struct state *, struct arc *, char *, char *, int); +static void removecantmatch(struct nfa *); static void cleanup(struct nfa *); static void markreachable(struct nfa *, struct state *, struct state *, struct state *); static void markcanreach(struct nfa *, struct state *, struct state *, struct state *); @@ -299,6 +300,7 @@ struct vars #define BEHIND 'r' /* color-lookbehind arc */ #define WBDRY 'w' /* word boundary constraint */ #define NWBDRY 'W' /* non-word-boundary constraint */ +#define CANTMATCH 'x' /* arc that cannot match anything */ #define SBEGIN 'A' /* beginning of string (even if not BOL) */ #define SEND 'Z' /* end of string (even if not EOL) */ @@ -2326,6 +2328,7 @@ nfanode(struct vars *v, nfa = newnfa(v, v->cm, v->nfa); NOERRZ(); dupnfa(nfa, t->begin, t->end, nfa->init, nfa->final); + nfa->flags = v->nfa->flags; if (!ISERR()) specialcolors(nfa); if (!ISERR()) |