mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-23 18:14:13 +08:00
99032cfcc6
This changes filename_seen_cache to use htab_up, rather than explicit calls to htab_delete. gdb/ChangeLog 2020-09-17 Tom Tromey <tom@tromey.com> * filename-seen-cache.c (filename_seen_cache::filename_seen_cache) (filename_seen_cache::clear): Update. (~filename_seen_cache): Remove. (filename_seen_cache::seen): Update. * filename-seen-cache.h (class filename_seen_cache) <m_tab>: Now htab_up. <~filename_seen_cache>: Remove. <traverse>: Update.
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/* Filename-seen cache for the GNU debugger, GDB.
|
|
|
|
Copyright (C) 1986-2020 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 FILENAME_SEEN_CACHE_H
|
|
#define FILENAME_SEEN_CACHE_H
|
|
|
|
#include "defs.h"
|
|
#include "gdbsupport/function-view.h"
|
|
|
|
/* Cache to watch for file names already seen. */
|
|
|
|
class filename_seen_cache
|
|
{
|
|
public:
|
|
filename_seen_cache ();
|
|
|
|
DISABLE_COPY_AND_ASSIGN (filename_seen_cache);
|
|
|
|
/* Empty the cache, but do not delete it. */
|
|
void clear ();
|
|
|
|
/* If FILE is not already in the table of files in CACHE, add it and
|
|
return false; otherwise return true.
|
|
|
|
NOTE: We don't manage space for FILE, we assume FILE lives as
|
|
long as the caller needs. */
|
|
bool seen (const char *file);
|
|
|
|
/* Traverse all cache entries, calling CALLBACK on each. The
|
|
filename is passed as argument to CALLBACK. */
|
|
void traverse (gdb::function_view<void (const char *filename)> callback)
|
|
{
|
|
auto erased_cb = [] (void **slot, void *info) -> int
|
|
{
|
|
auto filename = (const char *) *slot;
|
|
auto restored_cb = (decltype (callback) *) info;
|
|
(*restored_cb) (filename);
|
|
return 1;
|
|
};
|
|
|
|
htab_traverse_noresize (m_tab.get (), erased_cb, &callback);
|
|
}
|
|
|
|
private:
|
|
/* Table of files seen so far. */
|
|
htab_up m_tab;
|
|
};
|
|
|
|
#endif /* FILENAME_SEEN_CACHE_H */
|