| /* Portable <regex.h>. |
| Copyright (C) 2000-2021 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 */ |