diff options
Diffstat (limited to 'support/dfa.c')
| -rw-r--r-- | support/dfa.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/support/dfa.c b/support/dfa.c index 88c9a231..fec637a6 100644 --- a/support/dfa.c +++ b/support/dfa.c @@ -262,6 +262,7 @@ enum comparisons to END. */ /* Ordinary character values are terminal symbols that match themselves. */ + /* CSET must come last in the following list of special tokens. Otherwise, the list order matters only for performance. Related special tokens should have nearby values so that code like (t == ANYCHAR || t == MBCSET @@ -301,9 +302,11 @@ enum WCHAR, /* Only returned by lex. wctok contains the wide character representation. */ + ANYCHAR, /* ANYCHAR is a terminal symbol that matches a valid multibyte (or single byte) character. It is used only if MB_CUR_MAX > 1. */ + BEG, /* BEG is an initial symbol that matches the beginning of input. */ @@ -340,7 +343,6 @@ enum MBCSET, /* MBCSET is similar to CSET, but for multibyte characters. */ - CSET /* CSET and (and any value greater) is a terminal symbol that matches any of a class of characters. */ @@ -2365,6 +2367,7 @@ charclass_context (struct dfa const *dfa, charclass const *c) return context; } + /* Returns the contexts on which the position set S depends. Each context in the set of returned contexts (let's call it SC) may have a different follow set than other contexts in SC, and also different from the @@ -2837,7 +2840,6 @@ dfaanalyze (struct dfa *d, bool searchflag) } #endif - pos.index = 0; pos.constraint = NO_CONSTRAINT; @@ -3163,7 +3165,6 @@ build_state (state_num s, struct dfa *d, unsigned char uc) /* Find the state(s) corresponding to the union of the follows. */ if (possible_contexts & ~separate_contexts) state = state_index (d, &group, separate_contexts ^ CTX_ANY); - else state = -1; if (separate_contexts & possible_contexts & CTX_NEWLINE) |