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/tmp/gdb-8.1/gdb/gdb_regex.c
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1 /* Copyright (C) 2011-2018 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 "common/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 }
err
mach_port_t mach_port_t name mach_port_t mach_port_t name kern_return_t err
Definition: gnu-nat.c:1822
gdb_regex.h
gdb::def_vector
std::vector< T, gdb::default_init_allocator< T > > def_vector
Definition: def-vector.h:32
compiled_regex::compiled_regex
compiled_regex(const char *regex, int cflags, const char *message) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(4)
Definition: gdb_regex.c:22
defs.h
compiled_regex::search
int search(const char *string, int size, int startpos, int range, struct re_registers *regs)
Definition: gdb_regex.c:52
compiled_regex::m_pattern
regex_t m_pattern
Definition: gdb_regex.h:60
range
Definition: value.c:62
gdb_assert
#define gdb_assert(expr)
Definition: gdb_assert.h:32
compiled_regex::~compiled_regex
~compiled_regex()
Definition: gdb_regex.c:39
code
int code
Definition: ser-unix.c:239
def-vector.h
error
void error(const char *fmt,...)
Definition: errors.c:38
compiled_regex::exec
int exec(const char *string, size_t nmatch, regmatch_t pmatch[], int eflags) const
Definition: gdb_regex.c:45