gcc/plugin.h

   1 /* Header file for internal GCC plugin mechanism.
   2    Copyright (C) 2009, 2010 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  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/>.  */
  19
  20 #ifndef PLUGIN_H
  21 #define PLUGIN_H
  22
  23 #include "gcc-plugin.h"
  24
  25 struct attribute_spec;
  26
  27 extern void add_new_plugin (const char *);
  28 extern void parse_plugin_arg_opt (const char *);
  29 extern int invoke_plugin_callbacks_full (int, void *);
  30 extern void initialize_plugins (void);
  31 extern bool plugins_active_p (void);
  32 extern void dump_active_plugins (FILE *);
  33 extern void debug_active_plugins (void);
  34 extern void warn_if_plugins (void);
  35 extern void plugins_internal_error_function (diagnostic_context *,
  36                                              const char *, va_list *);
  37 extern void print_plugins_versions (FILE *file, const char *indent);
  38 extern void print_plugins_help (FILE *file, const char *indent);
  39 extern void finalize_plugins (void);
  40
  41 extern bool flag_plugin_added;
  42
  43 /* Called from inside GCC.  Invoke all plugin callbacks registered with
  44    the specified event.
  45    Return PLUGEVT_SUCCESS if at least one callback was called,
  46    PLUGEVT_NO_CALLBACK if there was no callback.
  47
  48    EVENT    - the event identifier
  49    GCC_DATA - event-specific data provided by the compiler  */
  50
  51 static inline int
  52 invoke_plugin_callbacks (int event ATTRIBUTE_UNUSED,
  53                          void *gcc_data ATTRIBUTE_UNUSED)
  54 {
  55 #ifdef ENABLE_PLUGIN
  56   /* True iff at least one plugin has been added.  */
  57   if (flag_plugin_added)
  58     return invoke_plugin_callbacks_full (event, gcc_data);
  59 #endif
  60
  61   return PLUGEVT_NO_CALLBACK;
  62 }
  63
  64 /* In attribs.c.  */
  65
  66 extern void register_attribute (const struct attribute_spec *attr);
  67
  68 #endif /* PLUGIN_H */