| 1 | /* Copyright (C) 2011-2019 Free Software Foundation, Inc. |
| 2 | |
| 3 | This file is part of GDB. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include "defs.h" |
| 19 | #include "gdb_regex.h" |
| 20 | #include "gdbsupport/def-vector.h" |
| 21 | |
| 22 | compiled_regex::compiled_regex (const char *regex, int cflags, |
| 23 | const char *message) |
| 24 | { |
| 25 | gdb_assert (regex != NULL); |
| 26 | gdb_assert (message != NULL); |
| 27 | |
| 28 | int code = regcomp (&m_pattern, regex, cflags); |
| 29 | if (code != 0) |
| 30 | { |
| 31 | size_t length = regerror (code, &m_pattern, NULL, 0); |
| 32 | gdb::def_vector<char> err (length); |
| 33 | |
| 34 | regerror (code, &m_pattern, err.data (), length); |
| 35 | error (("%s: %s"), message, err.data ()); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | compiled_regex::~compiled_regex () |
| 40 | { |
| 41 | regfree (&m_pattern); |
| 42 | } |
| 43 | |
| 44 | int |
| 45 | compiled_regex::exec (const char *string, size_t nmatch, |
| 46 | regmatch_t pmatch[], int eflags) const |
| 47 | { |
| 48 | return regexec (&m_pattern, string, nmatch, pmatch, eflags); |
| 49 | } |
| 50 | |
| 51 | int |
| 52 | compiled_regex::search (const char *string, |
| 53 | int length, int start, int range, |
| 54 | struct re_registers *regs) |
| 55 | { |
| 56 | return re_search (&m_pattern, string, length, start, range, regs); |
| 57 | } |