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- /* Portable <regex.h>.
- Copyright (C) 2000-2022 Free Software Foundation, Inc.
- This file is part of GDB.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- #ifndef GDB_REGEX_H
- #define GDB_REGEX_H 1
- # include "xregex.h"
- /* 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_AND_ASSIGN (compiled_regex);
- /* 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 */
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