2009-04-16 Rafael Avila de Espindola <espindola@google.com>

	* gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
	(plugin_info): New.
	* opts.c (common_handle_option): Don't call print_version.
	* plugin.c (plugin_name_args): Add version.
	(register_plugin_info): New.
	(register_callback): Handle PLUGIN_INFO.
	(try_init_one_plugin): New.
	(init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
	if failed to init.
	(finalize_one_plugin): New.
	(finalize_plugins): New.
	(print_one_plugin): New.
	(print_plugins_versions): New.
	* plugin.h (print_plugins_versions): New.
	(finalize_plugins): New.
	* toplev.c (compile_file): Don't call initialize_plugins.
	(print_version): Call print_plugins_versions.
	(toplev_main): Call initialize_plugins. Print version if needed.
	Call finalize_plugins.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146187 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 0 deletions

diff --git a/gcc/gcc-plugin.h b/gcc/gcc-plugin.h
index 4a45c1e2c48..8627720acd2 100644
--- a/gcc/gcc-plugin.h
+++ b/gcc/gcc-plugin.h
@@ -28,6 +28,7 @@ enum plugin_event
   PLUGIN_FINISH_UNIT,           /* Useful for summary processing.  */
   PLUGIN_CXX_CP_PRE_GENERICIZE, /* Allows to see low level AST in C++ FE.  */
   PLUGIN_FINISH,                /* Called before GCC exits.  */
+  PLUGIN_INFO,                  /* Information about the plugin */
   PLUGIN_EVENT_LAST             /* Dummy event used for indexing callback
                                    array.  */
 };
@@ -58,6 +59,13 @@ struct plugin_pass
   enum pass_positioning_ops pos_op; /* how to insert the new pass.  */
 };
 
+/* Additional information about the plugin. Used by --help and --version. */
+
+struct plugin_info
+{
+  const char *version;
+};
+
 /* Function type for the plugin initialization routine. Each plugin module
    should define this as an externally-visible function with name
    "plugin_init."