gcc/testsuite/g++.dg/plugin/def_plugin.c

   1 /* A plugin example that shows which function definitions are caught by PLUGIN_START_FUNCTION and PLUGIN_FINISH_FUNCTION */
   2
   3 #include "gcc-plugin.h"
   4 #include <stdlib.h>
   5 #include "config.h"
   6 #include "system.h"
   7 #include "coretypes.h"
   8 #include "tree.h"
   9 #include "tree-pass.h"
  10 #include "intl.h"
  11 #include "diagnostic.h"
  12
  13 int plugin_is_GPL_compatible;
  14
  15 /* Callback function to invoke when GCC starts a function definition*/
  16
  17 void plugin_start_parse_function (void *event_data, void *data)
  18 {
  19   tree fndef = (tree) event_data;
  20   warning (0, G_("Start fndef %s"),
  21            IDENTIFIER_POINTER (DECL_NAME (fndef)));
  22 }
  23
  24 /* Callback function to invoke after GCC finishes a function definition. */
  25
  26 void plugin_finish_parse_function (void *event_data, void *data)
  27 {
  28   tree fndef = (tree) event_data;
  29   warning (0, G_("Finish fndef %s"),
  30            IDENTIFIER_POINTER (DECL_NAME (fndef)));
  31 }
  32
  33 int
  34 plugin_init (struct plugin_name_args *plugin_info,
  35              struct plugin_gcc_version *version)
  36 {
  37   const char *plugin_name = plugin_info->base_name;
  38
  39   register_callback (plugin_name, PLUGIN_START_PARSE_FUNCTION,
  40                      plugin_start_parse_function, NULL);
  41
  42   register_callback (plugin_name, PLUGIN_FINISH_PARSE_FUNCTION,
  43                      plugin_finish_parse_function, NULL);
  44   return 0;
  45 }