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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [plugin/] [attribute_plugin.c] - Rev 315
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/* Demonstrates how to add custom attributes */ #include "gcc-plugin.h" #include <stdlib.h> #include "config.h" #include "system.h" #include "coretypes.h" #include "tree.h" #include "tree-pass.h" #include "intl.h" int plugin_is_GPL_compatible; /* Attribute handler callback */ static tree handle_user_attribute (tree *node, tree name, tree args, int flags, bool *no_add_attrs) { return NULL_TREE; } /* Attribute definition */ static struct attribute_spec user_attr = { "user", 1, 1, false, false, false, handle_user_attribute }; /* Plugin callback called during attribute registration */ static void register_attributes (void *event_data, void *data) { warning (0, G_("Callback to register attributes")); register_attribute (&user_attr); } /* Callback function to invoke before the function body is genericized. */ void handle_pre_generic (void *event_data, void *data) { tree fndecl = (tree) event_data; tree arg; for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN (arg)) { tree attr; for (attr = DECL_ATTRIBUTES (arg); attr; attr = TREE_CHAIN (attr)) { tree attrname = TREE_PURPOSE (attr); tree attrargs = TREE_VALUE (attr); warning (0, G_("attribute '%s' on param '%s' of function %s"), IDENTIFIER_POINTER (attrname), IDENTIFIER_POINTER (DECL_NAME (arg)), IDENTIFIER_POINTER (DECL_NAME (fndecl)) ); } } } int plugin_init (struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) { const char *plugin_name = plugin_info->base_name; register_callback (plugin_name, PLUGIN_PRE_GENERICIZE, handle_pre_generic, NULL); register_callback (plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); return 0; }
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