65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* Callback management
|
|
Copyright (C) 2014-2016 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC 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, or (at your option) any later
|
|
version.
|
|
|
|
GCC 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 GCC; see the file COPYING3. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef CC1_PLUGIN_CALLBACKS_HH
|
|
#define CC1_PLUGIN_CALLBACKS_HH
|
|
|
|
#include "status.hh"
|
|
#include "hashtab.h"
|
|
|
|
namespace cc1_plugin
|
|
{
|
|
class connection;
|
|
|
|
// The type of a callback method.
|
|
typedef status callback_ftype (connection *);
|
|
|
|
// This class manages callback functions. A callback has a name and
|
|
// an underlying function. When a query packet arrives, the name is
|
|
// inspected and the corresponding function is called. A callback
|
|
// function has to know how to decode its own arguments, but
|
|
// wrappers are provided elsewhere to automate this.
|
|
class callbacks
|
|
{
|
|
public:
|
|
|
|
callbacks ();
|
|
~callbacks ();
|
|
|
|
// Add a callback named NAME. FUNC is the function to call when
|
|
// this method is invoked.
|
|
void add_callback (const char *name, callback_ftype *func);
|
|
|
|
// Look up a callback by name. Returns NULL if the method is not
|
|
// found.
|
|
callback_ftype *find_callback (const char *name);
|
|
|
|
private:
|
|
|
|
// Declared but not defined to avoid use.
|
|
callbacks (const callbacks &);
|
|
callbacks &operator= (const callbacks &);
|
|
|
|
// The mapping.
|
|
htab_t m_registry;
|
|
};
|
|
};
|
|
|
|
#endif // CC1_PLUGIN_CALLBACKS_HH
|