plugins.texi (Plugin callbacks): added PLUGIN_PRAGMAS.
2009-11-06 Basile Starynkevitch <basile@starynkevitch.net> * doc/plugins.texi (Plugin callbacks): added PLUGIN_PRAGMAS. * c-pragma.c: Include "plugin.h". (init_pragma): Invoke PLUGIN_PRAGMAS. * gcc-plugin.h: Added PLUGIN_PRAGMAS. * plugin.c (plugin_event_name): Added PLUGIN_PRAGMAS & the missing PLUGIN_ATTRIBUTES. (register_callback): Added PLUGIN_PRAGMAS. Fixed typo in message error for unknown callback event. (invoke_plugin_callbacks): Added PLUGIN_PRAGMAS. * Makefile.in (c-pragma.o): Added dependency upon plugin.h. (PLUGIN_HEADERS): added plugin.h. 2009-11-06 Basile Starynkevitch <basile@starynkevitch.net> * g++.dg/plugin/pragma_plugin-test-1.C: new testcase for PLUGIN_PRAGMAS. * g++.dg/plugin/pragma_plugin.c: new test plugin for PLUGIN_PRAGMAS. * g++.dg/plugin/plugin.exp (plugin_test_list): Add pragma_plugin.c and pragma_plugin-test-1.C. From-SVN: r153975
This commit is contained in:
Basile Starynkevitch
Rafael Espindola
parent
87e9286428
commit
7ac8318c2d
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@ -1982,7 +1982,7 @@ c-convert.o : c-convert.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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c-pragma.o: c-pragma.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
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$(TREE_H) $(FUNCTION_H) $(C_PRAGMA_H) $(TOPLEV_H) output.h $(GGC_H) $(TM_P_H) \
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$(C_COMMON_H) $(TARGET_H) gt-c-pragma.h $(CPPLIB_H) $(FLAGS_H) $(DIAGNOSTIC_H) \
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opts.h
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opts.h $(PLUGINS_H)
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graph.o: graph.c $(SYSTEM_H) coretypes.h $(TM_H) $(TOPLEV_H) $(FLAGS_H) output.h \
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$(RTL_H) $(FUNCTION_H) hard-reg-set.h $(BASIC_BLOCK_H) graph.h $(OBSTACK_H) \
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$(CONFIG_H)
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@ -4260,7 +4260,8 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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$(host_xm_file_list) $(host_xm_include_list) $(xm_include_list) \
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intl.h $(PLUGIN_VERSION_H) $(DIAGNOSTIC_H) $(C_COMMON_H) $(C_PRETTY_PRINT_H) \
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tree-iterator.h $(PLUGIN_H) $(TREE_FLOW_H) langhooks.h incpath.h \
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tree-ssa-sccvn.h real.h output.h $(IPA_UTILS_H)
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tree-ssa-sccvn.h real.h output.h $(IPA_UTILS_H) \
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$(C_PRAGMA_H) $(CPPLIB_H) $(FUNCTION_H)
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# Install the headers needed to build a plugin.
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install-plugin: installdirs lang.install-plugin
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@ -4524,7 +4525,7 @@ install-collect2: collect2 installdirs
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# Install lto-wrapper.
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install-lto-wrapper: lto-wrapper$(exeext)
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$(INSTALL_PROGRAM) lto-wrapper$(exeext) $(DESTDIR)$(libexecsubdir)/lto-wrapper$(exeext)
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# Cancel installation by deleting the installed files.
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uninstall: lang.uninstall
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-rm -rf $(DESTDIR)$(libsubdir)
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@ -37,6 +37,7 @@ along with GCC; see the file COPYING3. If not see
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#include "target.h"
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#include "diagnostic.h"
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#include "opts.h"
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#include "plugin.h"
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#define GCC_BAD(gmsgid) \
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do { warning (OPT_Wpragmas, gmsgid); return; } while (0)
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@ -1450,6 +1451,9 @@ init_pragma (void)
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#ifdef REGISTER_TARGET_PRAGMAS
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REGISTER_TARGET_PRAGMAS ();
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#endif
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/* Allow plugins to register their own pragmas. */
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invoke_plugin_callbacks (PLUGIN_PRAGMAS, NULL);
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}
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#include "gt-c-pragma.h"
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@ -136,6 +136,7 @@ enum plugin_event
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PLUGIN_REGISTER_GGC_CACHES, /* Register an extra GGC cache table. */
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PLUGIN_ATTRIBUTES, /* Called during attribute registration */
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PLUGIN_START_UNIT, /* Called before processing a translation unit. */
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PLUGIN_PRAGMAS, /* Called during pragma registration. */
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PLUGIN_EVENT_LAST /* Dummy event used for indexing callback
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array. */
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@};
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@ -156,6 +157,11 @@ For the PLUGIN_PASS_MANAGER_SETUP, PLUGIN_INFO, PLUGIN_REGISTER_GGC_ROOTS
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and PLUGIN_REGISTER_GGC_CACHES pseudo-events the @code{callback} should be
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null, and the @code{user_data} is specific.
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When the PLUGIN_PRAGMAS event is triggered (with a null
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pointer as data from GCC), plugins may register their own pragmas
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using functions like @code{c_register_pragma} or
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@code{c_register_pragma_with_expansion}.
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@section Interacting with the pass manager
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There needs to be a way to add/reorder/remove passes dynamically. This
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@ -43,6 +43,7 @@ enum plugin_event
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PLUGIN_REGISTER_GGC_CACHES, /* Register an extra GGC cache table. */
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PLUGIN_ATTRIBUTES, /* Called during attribute registration. */
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PLUGIN_START_UNIT, /* Called before processing a translation unit. */
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PLUGIN_PRAGMAS, /* Called during pragma registration. */
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PLUGIN_EVENT_LAST /* Dummy event used for indexing callback
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array. */
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};
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@ -58,7 +58,9 @@ const char *plugin_event_name[] =
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"PLUGIN_GGC_END",
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"PLUGIN_REGISTER_GGC_ROOTS",
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"PLUGIN_REGISTER_GGC_CACHES",
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"PLUGIN_START_UNIT",
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"PLUGIN_ATTRIBUTES",
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"PLUGIN_START_UNIT",
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"PLUGIN_PRAGMAS",
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"PLUGIN_EVENT_LAST"
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};
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@ -325,6 +327,7 @@ register_callback (const char *plugin_name,
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case PLUGIN_GGC_MARKING:
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case PLUGIN_GGC_END:
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case PLUGIN_ATTRIBUTES:
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case PLUGIN_PRAGMAS:
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case PLUGIN_FINISH:
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{
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struct callback_info *new_callback;
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@ -344,7 +347,7 @@ register_callback (const char *plugin_name,
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break;
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case PLUGIN_EVENT_LAST:
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default:
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error ("Unkown callback event registered by plugin %s",
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error ("Unknown callback event registered by plugin %s",
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plugin_name);
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}
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}
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@ -368,6 +371,7 @@ invoke_plugin_callbacks (enum plugin_event event, void *gcc_data)
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case PLUGIN_FINISH_UNIT:
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case PLUGIN_CXX_CP_PRE_GENERICIZE:
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case PLUGIN_ATTRIBUTES:
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case PLUGIN_PRAGMAS:
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case PLUGIN_FINISH:
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case PLUGIN_GGC_START:
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case PLUGIN_GGC_MARKING:
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@ -1,3 +1,12 @@
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2009-11-06 Basile Starynkevitch <basile@starynkevitch.net>
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* g++.dg/plugin/pragma_plugin-test-1.C: new testcase for
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PLUGIN_PRAGMAS.
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* g++.dg/plugin/pragma_plugin.c: new test plugin for
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PLUGIN_PRAGMAS.
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* g++.dg/plugin/plugin.exp (plugin_test_list): Add pragma_plugin.c and
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pragma_plugin-test-1.C.
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2009-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
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PR c++/41536
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@ -48,6 +48,7 @@ load_lib plugin-support.exp
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# plugin_test_list={ {plugin1 test1 test2 ...} {plugin2 test1 ...} ... }
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set plugin_test_list [list \
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{ attribute_plugin.c attribute_plugin-test-1.C } \
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{ pragma_plugin.c pragma_plugin-test-1.C } \
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{ selfassign.c self-assign-test-1.C self-assign-test-2.C self-assign-test-3.C } \
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{ dumb_plugin.c dumb-plugin-test-1.C } \
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{ header_plugin.c header-plugin-test.C } ]
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@ -0,0 +1,18 @@
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// { dg-warning "Callback to register pragmas" "" { target *-*-* } 0 }
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int some_func (int c);
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#pragma GCCPLUGIN sayhello "here" // { dg-warning "'pragma GCCPLUGIN sayhello' outside of function: here" }
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int some_func (const char* s)
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{
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#pragma GCCPLUGIN sayhello "at start" // { dg-warning "'pragma GCCPLUGIN sayhello' from function 'some_func': at start" }
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#define DO_PRAGMA(x) _Pragma(#x)
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if (!s)
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{
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DO_PRAGMA(GCCPLUGIN sayhello "in block"); // { dg-warning "'pragma GCCPLUGIN sayhello' from function 'some_func': in block" }
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return 0;
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}
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return 1;
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}
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@ -0,0 +1,60 @@
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/* Demonstrates how to add custom pragmas */
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#include "gcc-plugin.h"
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#include <stdlib.h>
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "rtl.h"
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#include "tree.h"
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#include "function.h"
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#include "c-pragma.h"
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#include "cpplib.h"
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#include "tree-pass.h"
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#include "intl.h"
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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 GCC message...*/
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static void
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handle_pragma_sayhello (cpp_reader *dummy)
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{
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tree message = 0;
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if (pragma_lex (&message) != CPP_STRING)
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{
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warning (OPT_Wpragmas, "%<#pragma GCCPLUGIN sayhello%> is not a string");
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return;
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}
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if (TREE_STRING_LENGTH (message) > 1)
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if (cfun)
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warning (OPT_Wpragmas,
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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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else
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warning (OPT_Wpragmas,
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"%<pragma GCCPLUGIN sayhello%> outside of function: %s",
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TREE_STRING_POINTER (message));
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}
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/* Plugin callback called during pragma registration */
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static void
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register_my_pragma (void *event_data, void *data)
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{
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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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}
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int
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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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{
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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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return 0;
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}
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