1 /* Callback management.
2 Copyright (C) 2014 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
20 #include <cc1plugin-config.h>
23 #include "callbacks.hh"
24 #include "libiberty.h"
26 // An entry in the hash table.
30 cc1_plugin::callback_ftype *func;
33 // Hash function for struct method.
35 hash_method (const void *a)
37 const struct method *m = (const struct method *) a;
39 return htab_hash_string (m->name);
42 // Equality function for struct method.
44 eq_method (const void *a, const void *b)
46 const struct method *ma = (const struct method *) a;
47 const struct method *mb = (const struct method *) b;
49 return strcmp (ma->name, mb->name) == 0;
52 cc1_plugin::callbacks::callbacks ()
53 : m_registry (htab_create_alloc (10, hash_method, eq_method,
58 cc1_plugin::callbacks::~callbacks ()
60 htab_delete (m_registry);
64 cc1_plugin::callbacks::add_callback (const char *name,
65 cc1_plugin::callback_ftype *func)
73 slot = (method **) htab_find_slot (m_registry, &m, INSERT);
74 *slot = XNEW (method);
78 cc1_plugin::callback_ftype *
79 cc1_plugin::callbacks::find_callback (const char *name)
85 found = (method *) htab_find (m_registry, &m);