/* Demonstrates how to add custom pragmas */
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/* Demonstrates how to add custom pragmas */
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#include "gcc-plugin.h"
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#include "gcc-plugin.h"
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#include <stdlib.h>
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#include <stdlib.h>
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "rtl.h"
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#include "rtl.h"
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#include "tree.h"
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#include "tree.h"
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#include "function.h"
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#include "function.h"
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#include "c-pragma.h"
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#include "c-pragma.h"
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#include "cpplib.h"
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#include "cpplib.h"
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#include "tree-pass.h"
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#include "tree-pass.h"
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#include "intl.h"
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#include "intl.h"
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int plugin_is_GPL_compatible;
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int plugin_is_GPL_compatible;
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/* handler of #pragma GCCPLUGIN sayhello "message" is quite similar to
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/* handler of #pragma GCCPLUGIN sayhello "message" is quite similar to
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handler of #pragma GCC message...*/
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handler of #pragma GCC message...*/
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static void
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static void
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handle_pragma_sayhello (cpp_reader *dummy)
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handle_pragma_sayhello (cpp_reader *dummy)
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{
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{
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tree message = 0;
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tree message = 0;
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if (pragma_lex (&message) != CPP_STRING)
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if (pragma_lex (&message) != CPP_STRING)
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{
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{
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warning (OPT_Wpragmas, "%<#pragma GCCPLUGIN sayhello%> is not a string");
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warning (OPT_Wpragmas, "%<#pragma GCCPLUGIN sayhello%> is not a string");
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return;
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return;
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}
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}
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if (TREE_STRING_LENGTH (message) > 1)
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if (TREE_STRING_LENGTH (message) > 1)
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if (cfun)
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if (cfun)
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warning (OPT_Wpragmas,
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warning (OPT_Wpragmas,
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"%<pragma GCCPLUGIN sayhello%> from function %qE: %s",
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"%<pragma GCCPLUGIN sayhello%> from function %qE: %s",
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cfun->decl, TREE_STRING_POINTER (message));
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cfun->decl, TREE_STRING_POINTER (message));
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else
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else
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warning (OPT_Wpragmas,
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warning (OPT_Wpragmas,
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"%<pragma GCCPLUGIN sayhello%> outside of function: %s",
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"%<pragma GCCPLUGIN sayhello%> outside of function: %s",
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TREE_STRING_POINTER (message));
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TREE_STRING_POINTER (message));
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}
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}
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/* Plugin callback called during pragma registration */
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/* Plugin callback called during pragma registration */
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static void
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static void
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register_my_pragma (void *event_data, void *data)
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register_my_pragma (void *event_data, void *data)
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{
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{
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warning (0, G_("Callback to register pragmas"));
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warning (0, G_("Callback to register pragmas"));
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c_register_pragma ("GCCPLUGIN", "sayhello", handle_pragma_sayhello);
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c_register_pragma ("GCCPLUGIN", "sayhello", handle_pragma_sayhello);
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}
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}
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int
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int
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plugin_init (struct plugin_name_args *plugin_info,
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plugin_init (struct plugin_name_args *plugin_info,
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struct plugin_gcc_version *version)
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struct plugin_gcc_version *version)
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{
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{
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const char *plugin_name = plugin_info->base_name;
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const char *plugin_name = plugin_info->base_name;
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register_callback (plugin_name, PLUGIN_PRAGMAS, register_my_pragma, NULL);
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register_callback (plugin_name, PLUGIN_PRAGMAS, register_my_pragma, NULL);
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return 0;
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return 0;
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}
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}
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