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/* Header file for internal GCC plugin mechanism.

   Copyright (C) 2009, 2010 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 PLUGIN_H

#define PLUGIN_H

#include "gcc-plugin.h"

struct attribute_spec;

extern void add_new_plugin (const char *);

extern void parse_plugin_arg_opt (const char *);

extern int invoke_plugin_callbacks_full (int, void *);

extern void initialize_plugins (void);

extern bool plugins_active_p (void);

extern void dump_active_plugins (FILE *);

extern void debug_active_plugins (void);

extern void warn_if_plugins (void);

extern void plugins_internal_error_function (diagnostic_context *,

                                             const char *, va_list *);

extern void print_plugins_versions (FILE *file, const char *indent);

extern void print_plugins_help (FILE *file, const char *indent);

extern void finalize_plugins (void);

extern bool flag_plugin_added;

/* Called from inside GCC.  Invoke all plugin callbacks registered with

   the specified event.

   Return PLUGEVT_SUCCESS if at least one callback was called,

   PLUGEVT_NO_CALLBACK if there was no callback.

   EVENT    - the event identifier

   GCC_DATA - event-specific data provided by the compiler  */

static inline int

invoke_plugin_callbacks (int event ATTRIBUTE_UNUSED,

                         void *gcc_data ATTRIBUTE_UNUSED)

{

#ifdef ENABLE_PLUGIN

  /* True iff at least one plugin has been added.  */

  if (flag_plugin_added)

    return invoke_plugin_callbacks_full (event, gcc_data);

#endif

  return PLUGEVT_NO_CALLBACK;

}

/* In attribs.c.  */

extern void register_attribute (const struct attribute_spec *attr);

#endif /* PLUGIN_H */