diff options
Diffstat (limited to 'dfa.h')
| -rw-r--r-- | dfa.h | 30 |
1 files changed, 7 insertions, 23 deletions
@@ -57,12 +57,12 @@ extern void dfamustfree (struct dfamust *); /* dfasyntax() takes three arguments; the first sets the syntax bits described earlier in this file, the second sets the case-folding flag, and the third specifies the line terminator. */ -extern void dfasyntax (reg_syntax_t, int, unsigned char); +extern void dfasyntax (reg_syntax_t, bool, unsigned char); /* Compile the given string of the given length into the given struct dfa. Final argument is a flag specifying whether to build a searching or an exact matcher. */ -extern void dfacomp (char const *, size_t, struct dfa *, int); +extern void dfacomp (char const *, size_t, struct dfa *, bool); /* Search through a buffer looking for a match to the given struct dfa. Find the first occurrence of a string matching the regexp in the @@ -71,13 +71,13 @@ extern void dfacomp (char const *, size_t, struct dfa *, int); points to the beginning of the buffer, and END points to the first byte after its end. Note however that we store a sentinel byte (usually newline) in *END, so the actual buffer must be one byte longer. - When NEWLINE is nonzero, newlines may appear in the matching string. + When ALLOW_NL is true, newlines may appear in the matching string. If COUNT is non-NULL, increment *COUNT once for each newline processed. Finally, if BACKREF is non-NULL set *BACKREF to indicate whether we - encountered a back-reference (1) or not (0). The caller may use this - to decide whether to fall back on a backtracking matcher. */ + encountered a back-reference. The caller can use this to decide + whether to fall back on a backtracking matcher. */ extern char *dfaexec (struct dfa *d, char const *begin, char *end, - int newline, size_t *count, int *backref); + bool allow_nl, size_t *count, bool *backref); /* Return a superset for D. The superset matches everything that D matches, along with some other strings (though the latter should be @@ -91,22 +91,6 @@ extern bool dfaisfast (struct dfa const *) _GL_ATTRIBUTE_PURE; /* Free the storage held by the components of a struct dfa. */ extern void dfafree (struct dfa *); -/* Entry points for people who know what they're doing. */ - -/* Initialize the components of a struct dfa. */ -extern void dfainit (struct dfa *); - -/* Incrementally parse a string of given length into a struct dfa. */ -extern void dfaparse (char const *, size_t, struct dfa *); - -/* Analyze a parsed regexp; second argument tells whether to build a searching - or an exact matcher. */ -extern void dfaanalyze (struct dfa *, int); - -/* Compute, for each possible character, the transitions out of a given - state, storing them in an array of integers. */ -extern void dfastate (ptrdiff_t, struct dfa *, ptrdiff_t []); - /* Error handling. */ /* dfawarn() is called by the regexp routines whenever a regex is compiled @@ -120,4 +104,4 @@ extern void dfawarn (const char *); The user must supply a dfaerror. */ extern _Noreturn void dfaerror (const char *); -extern int using_utf8 (void); +extern bool using_utf8 (void); |