gcc/libobjc/objc-foreach.c

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In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-parser.c (objc_could_be_foreach_context): New. (c_lex_one_token): Recognize RID_IN keyword in a potential Objective-C foreach context. (c_parser_declaration_or_fndef): Added parameter. Accept Objective-C RID_IN keyword as terminating a declaration; in that case, return the declaration in the new parameter. (c_parser_extenral_declaration): Updated calls to c_parser_declaration_or_fndef. (c_parser_declaration_or_fndef): Same change. (c_parser_compound_statement_nostart): Same change. (c_parser_label): Same change. (c_parser_objc_methodprotolist): Same change. (c_parser_omp_for_loop): Same change. (c_parser_for_statement): Detect and parse Objective-C foreach statements. (c_parser_omp_for_loop): Updated call to check_for_loop_decls(). * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC fast enumeration parsing code to turn off the c99 error but still perform checks on the loop declarations. * c-tree.h (check_for_loop_decls): Updated declaration. * doc/objc.texi: Document fast enumeration. In gcc/c-family/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. In gcc/objc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc-act.c (build_fast_enumeration_state_template): New. (TAG_ENUMERATION_MUTATION): New. (TAG_FAST_ENUMERATION_STATE): New. (synth_module_prologue): Call build_fast_enumeration_state_template() and set up objc_enumeration_mutation_decl. (objc_create_temporary_var): Allow providing a name to temporary variables. (objc_build_exc_ptr): Updated calls to objc_create_temporary_var(). (next_sjlj_build_try_catch_finally): Same change. (objc_finish_foreach_loop): New. * objc-act.h: Added OCTI_FAST_ENUM_STATE_TEMP, OCTI_ENUM_MUTATION_DECL, objc_fast_enumeration_state_template, objc_enumeration_mutation_decl. Merge from 'apple/trunk' branch on FSF servers. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc-act.c (objc_type_valid_for_messaging): New routine to check for valid objc object types. (objc_finish_foreach_loop): Check for invalid objc objects in foreach header. In gcc/testsuite/: 2010-10-05 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc.dg/foreach-1.m: New. * objc.dg/foreach-2.m: New. * objc.dg/foreach-3.m: New. * objc.dg/foreach-4.m: New. * objc.dg/foreach-5.m: New. * objc.dg/foreach-6.m: New. * objc.dg/foreach-7.m: New. Merge from 'apple/trunk' branch on FSF servers: 2006-04-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4502236 * objc.dg/objc-foreach-5.m: New. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc.dg/objc-foreach-4.m: New. 2006-03-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4472881 * objc.dg/objc-foreach-3.m: New. 2005-03-07 Fariborz Jahanian <fjahanian@apple.com> Radar 4468498 * objc.dg/objc-foreach-2.m: New. 2006-02-15 Fariborz Jahanian <fjahanian@apple.com> Radar 4294910 * objc.dg/objc-foreach-1.m: New In libobjc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. (OBJC_H): Added runtime.h * objc-foreach.c: New file. * objc/runtime.h: New file. From-SVN: r165019
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/* GNU Objective C Runtime 'fast enumeration' implementation
Copyright (C) 2010-2015 Free Software Foundation, Inc.
In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-parser.c (objc_could_be_foreach_context): New. (c_lex_one_token): Recognize RID_IN keyword in a potential Objective-C foreach context. (c_parser_declaration_or_fndef): Added parameter. Accept Objective-C RID_IN keyword as terminating a declaration; in that case, return the declaration in the new parameter. (c_parser_extenral_declaration): Updated calls to c_parser_declaration_or_fndef. (c_parser_declaration_or_fndef): Same change. (c_parser_compound_statement_nostart): Same change. (c_parser_label): Same change. (c_parser_objc_methodprotolist): Same change. (c_parser_omp_for_loop): Same change. (c_parser_for_statement): Detect and parse Objective-C foreach statements. (c_parser_omp_for_loop): Updated call to check_for_loop_decls(). * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC fast enumeration parsing code to turn off the c99 error but still perform checks on the loop declarations. * c-tree.h (check_for_loop_decls): Updated declaration. * doc/objc.texi: Document fast enumeration. In gcc/c-family/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. In gcc/objc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc-act.c (build_fast_enumeration_state_template): New. (TAG_ENUMERATION_MUTATION): New. (TAG_FAST_ENUMERATION_STATE): New. (synth_module_prologue): Call build_fast_enumeration_state_template() and set up objc_enumeration_mutation_decl. (objc_create_temporary_var): Allow providing a name to temporary variables. (objc_build_exc_ptr): Updated calls to objc_create_temporary_var(). (next_sjlj_build_try_catch_finally): Same change. (objc_finish_foreach_loop): New. * objc-act.h: Added OCTI_FAST_ENUM_STATE_TEMP, OCTI_ENUM_MUTATION_DECL, objc_fast_enumeration_state_template, objc_enumeration_mutation_decl. Merge from 'apple/trunk' branch on FSF servers. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc-act.c (objc_type_valid_for_messaging): New routine to check for valid objc object types. (objc_finish_foreach_loop): Check for invalid objc objects in foreach header. In gcc/testsuite/: 2010-10-05 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc.dg/foreach-1.m: New. * objc.dg/foreach-2.m: New. * objc.dg/foreach-3.m: New. * objc.dg/foreach-4.m: New. * objc.dg/foreach-5.m: New. * objc.dg/foreach-6.m: New. * objc.dg/foreach-7.m: New. Merge from 'apple/trunk' branch on FSF servers: 2006-04-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4502236 * objc.dg/objc-foreach-5.m: New. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc.dg/objc-foreach-4.m: New. 2006-03-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4472881 * objc.dg/objc-foreach-3.m: New. 2005-03-07 Fariborz Jahanian <fjahanian@apple.com> Radar 4468498 * objc.dg/objc-foreach-2.m: New. 2006-02-15 Fariborz Jahanian <fjahanian@apple.com> Radar 4294910 * objc.dg/objc-foreach-1.m: New In libobjc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. (OBJC_H): Added runtime.h * objc-foreach.c: New file. * objc/runtime.h: New file. From-SVN: r165019
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Contributed by Nicola Pero <nicola.pero@meta-innovation.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* This file implements objc_enumeration_mutation() and
objc_set_enumeration_mutation_handler(), the two functions required
to handle mutations during a fast enumeration. */
#include "objc-private/common.h"
In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-parser.c (objc_could_be_foreach_context): New. (c_lex_one_token): Recognize RID_IN keyword in a potential Objective-C foreach context. (c_parser_declaration_or_fndef): Added parameter. Accept Objective-C RID_IN keyword as terminating a declaration; in that case, return the declaration in the new parameter. (c_parser_extenral_declaration): Updated calls to c_parser_declaration_or_fndef. (c_parser_declaration_or_fndef): Same change. (c_parser_compound_statement_nostart): Same change. (c_parser_label): Same change. (c_parser_objc_methodprotolist): Same change. (c_parser_omp_for_loop): Same change. (c_parser_for_statement): Detect and parse Objective-C foreach statements. (c_parser_omp_for_loop): Updated call to check_for_loop_decls(). * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC fast enumeration parsing code to turn off the c99 error but still perform checks on the loop declarations. * c-tree.h (check_for_loop_decls): Updated declaration. * doc/objc.texi: Document fast enumeration. In gcc/c-family/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. In gcc/objc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc-act.c (build_fast_enumeration_state_template): New. (TAG_ENUMERATION_MUTATION): New. (TAG_FAST_ENUMERATION_STATE): New. (synth_module_prologue): Call build_fast_enumeration_state_template() and set up objc_enumeration_mutation_decl. (objc_create_temporary_var): Allow providing a name to temporary variables. (objc_build_exc_ptr): Updated calls to objc_create_temporary_var(). (next_sjlj_build_try_catch_finally): Same change. (objc_finish_foreach_loop): New. * objc-act.h: Added OCTI_FAST_ENUM_STATE_TEMP, OCTI_ENUM_MUTATION_DECL, objc_fast_enumeration_state_template, objc_enumeration_mutation_decl. Merge from 'apple/trunk' branch on FSF servers. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc-act.c (objc_type_valid_for_messaging): New routine to check for valid objc object types. (objc_finish_foreach_loop): Check for invalid objc objects in foreach header. In gcc/testsuite/: 2010-10-05 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc.dg/foreach-1.m: New. * objc.dg/foreach-2.m: New. * objc.dg/foreach-3.m: New. * objc.dg/foreach-4.m: New. * objc.dg/foreach-5.m: New. * objc.dg/foreach-6.m: New. * objc.dg/foreach-7.m: New. Merge from 'apple/trunk' branch on FSF servers: 2006-04-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4502236 * objc.dg/objc-foreach-5.m: New. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc.dg/objc-foreach-4.m: New. 2006-03-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4472881 * objc.dg/objc-foreach-3.m: New. 2005-03-07 Fariborz Jahanian <fjahanian@apple.com> Radar 4468498 * objc.dg/objc-foreach-2.m: New. 2006-02-15 Fariborz Jahanian <fjahanian@apple.com> Radar 4294910 * objc.dg/objc-foreach-1.m: New In libobjc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. (OBJC_H): Added runtime.h * objc-foreach.c: New file. * objc/runtime.h: New file. From-SVN: r165019
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#include "objc-private/error.h" /* For _objc_abort() */
#include "objc/runtime.h" /* For objc_enumerationMutation() and objc_set_enumeration_mutation_handler() */
In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-parser.c (objc_could_be_foreach_context): New. (c_lex_one_token): Recognize RID_IN keyword in a potential Objective-C foreach context. (c_parser_declaration_or_fndef): Added parameter. Accept Objective-C RID_IN keyword as terminating a declaration; in that case, return the declaration in the new parameter. (c_parser_extenral_declaration): Updated calls to c_parser_declaration_or_fndef. (c_parser_declaration_or_fndef): Same change. (c_parser_compound_statement_nostart): Same change. (c_parser_label): Same change. (c_parser_objc_methodprotolist): Same change. (c_parser_omp_for_loop): Same change. (c_parser_for_statement): Detect and parse Objective-C foreach statements. (c_parser_omp_for_loop): Updated call to check_for_loop_decls(). * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC fast enumeration parsing code to turn off the c99 error but still perform checks on the loop declarations. * c-tree.h (check_for_loop_decls): Updated declaration. * doc/objc.texi: Document fast enumeration. In gcc/c-family/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. In gcc/objc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc-act.c (build_fast_enumeration_state_template): New. (TAG_ENUMERATION_MUTATION): New. (TAG_FAST_ENUMERATION_STATE): New. (synth_module_prologue): Call build_fast_enumeration_state_template() and set up objc_enumeration_mutation_decl. (objc_create_temporary_var): Allow providing a name to temporary variables. (objc_build_exc_ptr): Updated calls to objc_create_temporary_var(). (next_sjlj_build_try_catch_finally): Same change. (objc_finish_foreach_loop): New. * objc-act.h: Added OCTI_FAST_ENUM_STATE_TEMP, OCTI_ENUM_MUTATION_DECL, objc_fast_enumeration_state_template, objc_enumeration_mutation_decl. Merge from 'apple/trunk' branch on FSF servers. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc-act.c (objc_type_valid_for_messaging): New routine to check for valid objc object types. (objc_finish_foreach_loop): Check for invalid objc objects in foreach header. In gcc/testsuite/: 2010-10-05 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc.dg/foreach-1.m: New. * objc.dg/foreach-2.m: New. * objc.dg/foreach-3.m: New. * objc.dg/foreach-4.m: New. * objc.dg/foreach-5.m: New. * objc.dg/foreach-6.m: New. * objc.dg/foreach-7.m: New. Merge from 'apple/trunk' branch on FSF servers: 2006-04-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4502236 * objc.dg/objc-foreach-5.m: New. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc.dg/objc-foreach-4.m: New. 2006-03-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4472881 * objc.dg/objc-foreach-3.m: New. 2005-03-07 Fariborz Jahanian <fjahanian@apple.com> Radar 4468498 * objc.dg/objc-foreach-2.m: New. 2006-02-15 Fariborz Jahanian <fjahanian@apple.com> Radar 4294910 * objc.dg/objc-foreach-1.m: New In libobjc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. (OBJC_H): Added runtime.h * objc-foreach.c: New file. * objc/runtime.h: New file. From-SVN: r165019
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/* The enumeration mutation handler currently in use. */
static void (*__objc_enumeration_mutation_handler)(id) = NULL;
void
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objc_setEnumerationMutationHandler (void (*handler)(id))
In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> In gcc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-parser.c (objc_could_be_foreach_context): New. (c_lex_one_token): Recognize RID_IN keyword in a potential Objective-C foreach context. (c_parser_declaration_or_fndef): Added parameter. Accept Objective-C RID_IN keyword as terminating a declaration; in that case, return the declaration in the new parameter. (c_parser_extenral_declaration): Updated calls to c_parser_declaration_or_fndef. (c_parser_declaration_or_fndef): Same change. (c_parser_compound_statement_nostart): Same change. (c_parser_label): Same change. (c_parser_objc_methodprotolist): Same change. (c_parser_omp_for_loop): Same change. (c_parser_for_statement): Detect and parse Objective-C foreach statements. (c_parser_omp_for_loop): Updated call to check_for_loop_decls(). * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC fast enumeration parsing code to turn off the c99 error but still perform checks on the loop declarations. * c-tree.h (check_for_loop_decls): Updated declaration. * doc/objc.texi: Document fast enumeration. In gcc/c-family/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. In gcc/objc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc-act.c (build_fast_enumeration_state_template): New. (TAG_ENUMERATION_MUTATION): New. (TAG_FAST_ENUMERATION_STATE): New. (synth_module_prologue): Call build_fast_enumeration_state_template() and set up objc_enumeration_mutation_decl. (objc_create_temporary_var): Allow providing a name to temporary variables. (objc_build_exc_ptr): Updated calls to objc_create_temporary_var(). (next_sjlj_build_try_catch_finally): Same change. (objc_finish_foreach_loop): New. * objc-act.h: Added OCTI_FAST_ENUM_STATE_TEMP, OCTI_ENUM_MUTATION_DECL, objc_fast_enumeration_state_template, objc_enumeration_mutation_decl. Merge from 'apple/trunk' branch on FSF servers. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc-act.c (objc_type_valid_for_messaging): New routine to check for valid objc object types. (objc_finish_foreach_loop): Check for invalid objc objects in foreach header. In gcc/testsuite/: 2010-10-05 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * objc.dg/foreach-1.m: New. * objc.dg/foreach-2.m: New. * objc.dg/foreach-3.m: New. * objc.dg/foreach-4.m: New. * objc.dg/foreach-5.m: New. * objc.dg/foreach-6.m: New. * objc.dg/foreach-7.m: New. Merge from 'apple/trunk' branch on FSF servers: 2006-04-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4502236 * objc.dg/objc-foreach-5.m: New. 2006-04-12 Fariborz Jahanian <fjahanian@apple.com> Radar 4507230 * objc.dg/objc-foreach-4.m: New. 2006-03-13 Fariborz Jahanian <fjahanian@apple.com> Radar 4472881 * objc.dg/objc-foreach-3.m: New. 2005-03-07 Fariborz Jahanian <fjahanian@apple.com> Radar 4468498 * objc.dg/objc-foreach-2.m: New. 2006-02-15 Fariborz Jahanian <fjahanian@apple.com> Radar 4294910 * objc.dg/objc-foreach-1.m: New In libobjc/: 2010-10-06 Nicola Pero <nicola.pero@meta-innovation.com> Implemented fast enumeration for Objective-C. * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. (OBJC_H): Added runtime.h * objc-foreach.c: New file. * objc/runtime.h: New file. From-SVN: r165019
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{
__objc_enumeration_mutation_handler = handler;
}
void
objc_enumerationMutation (id collection)
{
if (__objc_enumeration_mutation_handler != NULL)
(*__objc_enumeration_mutation_handler) (collection);
/* We always abort if we get here; there is no point in going on as
the next iteration in the fast enumeration would probably go
deeply wrong. */
_objc_abort ("Collection %p mutated during fast enumeration", collection);
}