GDB (xrefs)
Loading...
Searching...
No Matches
gdb
filename-seen-cache.h
Go to the documentation of this file.
1
/* Filename-seen cache for the GNU debugger, GDB.
2
3
Copyright (C) 1986-2023 Free Software Foundation, Inc.
4
5
This file is part of GDB.
6
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 3 of the License, or
10
(at your option) any later version.
11
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
GNU General Public License for more details.
16
17
You should have received a copy of the GNU General Public License
18
along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20
#ifndef FILENAME_SEEN_CACHE_H
21
#define FILENAME_SEEN_CACHE_H
22
23
#include "
defs.h
"
24
#include "gdbsupport/function-view.h"
25
#include "gdbsupport/gdb-hashtab.h"
26
27
/* Cache to watch for file names already seen. */
28
29
class
filename_seen_cache
30
{
31
public
:
32
filename_seen_cache
();
33
34
DISABLE_COPY_AND_ASSIGN
(
filename_seen_cache
);
35
36
/* Empty the cache, but do not delete it. */
37
void
clear
();
38
39
/* If FILE is not already in the table of files in CACHE, add it and
40
return false; otherwise return true.
41
42
NOTE: We don't manage space for FILE, we assume FILE lives as
43
long as the caller needs. */
44
bool
seen
(
const
char
*file);
45
46
/* Traverse all cache entries, calling CALLBACK on each. The
47
filename is passed as argument to CALLBACK. */
48
void
traverse
(gdb::function_view<
void
(
const
char
*filename)> callback)
49
{
50
auto
erased_cb = [] (
void
**slot,
void
*info) ->
int
51
{
52
auto
filename = (
const
char
*) *slot;
53
auto
restored_cb = (
decltype
(callback) *) info;
54
(*restored_cb) (filename);
55
return
1;
56
};
57
58
htab_traverse_noresize (
m_tab
.get (), erased_cb, &callback);
59
}
60
61
private
:
62
/* Table of files seen so far. */
63
htab_up
m_tab
;
64
};
65
66
#endif
/* FILENAME_SEEN_CACHE_H */
filename_seen_cache
Definition
filename-seen-cache.h:30
filename_seen_cache::traverse
void traverse(gdb::function_view< void(const char *filename)> callback)
Definition
filename-seen-cache.h:48
filename_seen_cache::clear
void clear()
Definition
filename-seen-cache.c:39
filename_seen_cache::seen
bool seen(const char *file)
Definition
filename-seen-cache.c:47
filename_seen_cache::filename_seen_cache
filename_seen_cache()
Definition
filename-seen-cache.c:29
filename_seen_cache::m_tab
htab_up m_tab
Definition
filename-seen-cache.h:63
filename_seen_cache::DISABLE_COPY_AND_ASSIGN
DISABLE_COPY_AND_ASSIGN(filename_seen_cache)
defs.h
Generated by
1.10.0