diff options
Diffstat (limited to 'gdb/gdb_regex.h')
| -rw-r--r-- | gdb/gdb_regex.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/gdb/gdb_regex.h b/gdb/gdb_regex.h index 0be26ef..f62f81d 100644 --- a/gdb/gdb_regex.h +++ b/gdb/gdb_regex.h @@ -27,10 +27,39 @@ # include <regex.h> #endif -/* From utils.c. */ -struct cleanup *make_regfree_cleanup (regex_t *); -char *get_regcomp_error (int, regex_t *); -struct cleanup *compile_rx_or_error (regex_t *pattern, const char *rx, - const char *message); +/* A compiled regex. This is mainly a wrapper around regex_t. The + the constructor throws on regcomp error and the destructor is + responsible for calling regfree. The former means that it's not + possible to create an instance of compiled_regex that isn't + compiled, hence the name. */ +class compiled_regex +{ +public: + /* Compile a regexp and throw an exception on error, including + MESSAGE. REGEX and MESSAGE must not be NULL. */ + compiled_regex (const char *regex, int cflags, + const char *message) + ATTRIBUTE_NONNULL (2) ATTRIBUTE_NONNULL (4); + + ~compiled_regex (); + + /* Disable copy. */ + compiled_regex (const compiled_regex&) = delete; + void operator= (const compiled_regex&) = delete; + + /* Wrapper around ::regexec. */ + int exec (const char *string, + size_t nmatch, regmatch_t pmatch[], + int eflags) const; + + /* Wrapper around ::re_search. (Not const because re_search's + regex_t parameter isn't either.) */ + int search (const char *string, int size, int startpos, + int range, struct re_registers *regs); + +private: + /* The compiled pattern. */ + regex_t m_pattern; +}; #endif /* not GDB_REGEX_H */ |