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add @optional/@required to prto lists

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add @optional/@required to prto lists
gcc:

	* c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
	parse @optional/@required and set the flags as appropriate.

gcc/c-family:

      * c-common.c: Add two new entries for @optional
       and @required keywords.

	merge from FSF 'apple/trunk' branch.
	2006-01-30  Fariborz Jahanian <fjahanian@apple.com>

       Radar 4386773
       * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
       objective-c keywords.
       (objc_set_method_opt): New declaration.
       * stub-objc.c (objc_set_method_opt): New stub.

gcc/cp:

	merge from FSF 'apple/trunk' branch.
	2006-01-30  Fariborz Jahanian <fjahanian@apple.com>

	Radar 4386773
	* cp/parser.c (cp_parser_objc_interstitial_code): For
       @optional/@required set the optional/required flag.

gcc/objc:

	merge from FSF 'apple/trunk' branch.
	2006-01-30  Fariborz Jahanian <fjahanian@apple.com>

       Radar 4386773
       * objc/objc-act.c (objc_set_method_opt): New function.
       (objc_start_protocol, objc_finish_interface): Reset
       objc_method_optional_flag flag.
       (objc_add_method_declaration): Pass on the new
       flag to objc_add_method.
       (objc_add_method): Add optional methods to new chain in
       the protocol class.
       * objc/objc-act.h (CLASS_OPTIONAL_CLS_METHODS,
       CLASS_OPTIONAL_NST_METHODS): New macros accessing a protocol
       class's optional method chains.

testsuite:

	merge from FSF 'apple/trunk' branch.
	2006-01-30  Fariborz Jahanian <fjahanian@apple.com>

       Radar 4386773
       * objc.dg/enhanced-proto-1.m: New.
       * objc.dg/enhanced-proto-2.m: New.
       * obj-c++.dg/enhanced-proto-1.mm: New
       * obj-c++.dg/enhanced-proto-2.mm: New.

From-SVN: r164754
This commit is contained in:
Iain Sandoe 2010-09-30 16:51:00 +00:00
parent 0eeccfa3ff
commit 92902b1baf
16 changed files with 226 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2010-09-30 Iain Sandoe <iains@gcc.gnu.org>
* c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
parse @optional/@required and set the flags as appropriate.
2010-09-30 Nathan Froyd <froydnj@codesourcery.com>
* config/iq2000/t-iq2000 (TARGET_LIBGCC2_CFLAGS): Delete.

14
gcc/c-family/ChangeLog
View file

@ -1,3 +1,17 @@
2010-09-30 Iain Sandoe <iains@gcc.gnu.org>
* c-common.c: Add two new entries for @optional
and @required keywords.
merge from FSF 'apple/trunk' branch.
2006-01-30 Fariborz Jahanian <fjahanian@apple.com>
Radar 4386773
* c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
objective-c keywords.
(objc_set_method_opt): New declaration.
* stub-objc.c (objc_set_method_opt): New stub.
2010-09-30 Joseph Myers <joseph@codesourcery.com>
* c-common.c (handle_optimize_attribute): Pass &global_options to

2
gcc/c-family/c-common.c
View file

@ -541,6 +541,8 @@ const struct c_common_resword c_common_reswords[] =
{ "selector", RID_AT_SELECTOR, D_OBJC },
{ "finally", RID_AT_FINALLY, D_OBJC },
{ "synchronized", RID_AT_SYNCHRONIZED, D_OBJC },
{ "optional", RID_AT_OPTIONAL, D_OBJC },
{ "required", RID_AT_REQUIRED, D_OBJC },
/* These are recognized only in protocol-qualifier context
(see above) */
{ "bycopy", RID_BYCOPY, D_OBJC },

4
gcc/c-family/c-common.h
View file

@ -142,7 +142,8 @@ enum rid
RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
RID_AT_PROTOCOL, RID_AT_SELECTOR,
RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH,
RID_AT_FINALLY, RID_AT_SYNCHRONIZED,
RID_AT_FINALLY, RID_AT_SYNCHRONIZED,
RID_AT_OPTIONAL, RID_AT_REQUIRED,
RID_AT_INTERFACE,
RID_AT_IMPLEMENTATION,
@ -1007,6 +1008,7 @@ extern tree objc_build_synchronized (location_t, tree, tree);
extern int objc_static_init_needed_p (void);
extern tree objc_generate_static_init_call (tree);
extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
extern void objc_set_method_opt (bool);
/* The following are provided by the C and C++ front-ends, and called by
ObjC/ObjC++. */

5
gcc/c-family/stub-objc.c
View file

@ -126,6 +126,11 @@ objc_start_protocol (tree ARG_UNUSED (proto),
{
}
void
objc_set_method_opt (bool ARG_UNUSED (optional))
{
}
void
objc_start_class_interface (tree ARG_UNUSED (name),
tree ARG_UNUSED (super),

15
gcc/c-parser.c
View file

@ -6743,6 +6743,8 @@ c_parser_objc_method_definition (c_parser *parser)
objc-methodprotolist objc-methodproto
objc-methodprotolist declaration
objc-methodprotolist ;
@optional
@required
The declaration is a data definition, which may be missing
declaration specifiers under the same rules and diagnostics as
@ -6775,7 +6777,18 @@ c_parser_objc_methodprotolist (c_parser *parser)
default:
if (c_parser_next_token_is_keyword (parser, RID_AT_END))
return;
c_parser_declaration_or_fndef (parser, false, false, true,
else if (c_parser_next_token_is_keyword (parser, RID_AT_OPTIONAL))
{
objc_set_method_opt (true);
c_parser_consume_token (parser);
}
else if (c_parser_next_token_is_keyword (parser, RID_AT_REQUIRED))
{
objc_set_method_opt (false);
c_parser_consume_token (parser);
}
else
c_parser_declaration_or_fndef (parser, false, false, true,
false, true);
break;
}

9
gcc/cp/ChangeLog
View file

@ -1,3 +1,12 @@
2010-09-30 Iain Sandoe <iains@gcc.gnu.org>
merge from FSF 'apple/trunk' branch.
2006-01-30 Fariborz Jahanian <fjahanian@apple.com>
Radar 4386773
* cp/parser.c (cp_parser_objc_interstitial_code): For
@optional/@required set the optional/required flag.
2010-09-30 Nicola Pero <nicola.pero@meta-innovation.com>
* parser.c (cp_lexer_get_preprocessor_token): Tidied up comments

11
gcc/cp/parser.c
View file

@ -21597,6 +21597,17 @@ cp_parser_objc_interstitial_code (cp_parser* parser)
/* Allow stray semicolons. */
else if (token->type == CPP_SEMICOLON)
cp_lexer_consume_token (parser->lexer);
/* Mark methods as optional or required, when building protocols. */
else if (token->keyword == RID_AT_OPTIONAL)
{
cp_lexer_consume_token (parser->lexer);
objc_set_method_opt (true);
}
else if (token->keyword == RID_AT_REQUIRED)
{
cp_lexer_consume_token (parser->lexer);
objc_set_method_opt (false);
}
/* Finally, try to parse a block-declaration, or a function-definition. */
else
cp_parser_block_declaration (parser, /*statement_p=*/false);

17
gcc/objc/ChangeLog
View file

@ -1,3 +1,20 @@
2010-09-30 Iain Sandoe <iains@gcc.gnu.org>
merge from FSF 'apple/trunk' branch.
2006-01-30 Fariborz Jahanian <fjahanian@apple.com>
Radar 4386773
* objc/objc-act.c (objc_set_method_opt): New function.
(objc_start_protocol, objc_finish_interface): Reset
objc_method_optional_flag flag.
(objc_add_method_declaration): Pass on the new
flag to objc_add_method.
(objc_add_method): Add optional methods to new chain in
the protocol class.
* objc/objc-act.h (CLASS_OPTIONAL_CLS_METHODS,
CLASS_OPTIONAL_NST_METHODS): New macros accessing a protocol
class's optional method chains.
2010-09-30 Nicola Pero <nicola.pero@meta-innovation.com>
Merge from 'apple/trunk' branch on FSF servers.

54
gcc/objc/objc-act.c
View file

@ -146,7 +146,7 @@ static void objc_start_function (tree, tree, tree, struct c_arg_info *);
#endif
static tree start_protocol (enum tree_code, tree, tree);
static tree build_method_decl (enum tree_code, tree, tree, tree, bool);
static tree objc_add_method (tree, tree, int);
static tree objc_add_method (tree, tree, int, bool);
static tree add_instance_variable (tree, int, tree);
static tree build_ivar_reference (tree);
static tree is_ivar (tree, tree);
@ -352,6 +352,10 @@ int objc_public_flag;
/* Use to generate method labels. */
static int method_slot = 0;
/* Flag to say whether methods in a protocol are optional or
required. */
static bool objc_method_optional_flag = false;
static int objc_collecting_ivars = 0;
#define BUFSIZE 1024
@ -687,6 +691,7 @@ objc_start_protocol (tree name, tree protos, tree attributes)
" of the compiler, (ignored)");
objc_interface_context
= start_protocol (PROTOCOL_INTERFACE_TYPE, name, protos);
objc_method_optional_flag = false;
}
void
@ -701,6 +706,7 @@ objc_finish_interface (void)
{
finish_class (objc_interface_context);
objc_interface_context = NULL_TREE;
objc_method_optional_flag = false;
}
void
@ -752,6 +758,18 @@ objc_set_visibility (int visibility)
objc_public_flag = visibility;
}
void
objc_set_method_opt (bool optional)
{
objc_method_optional_flag = optional;
if (!objc_interface_context
|| TREE_CODE (objc_interface_context) != PROTOCOL_INTERFACE_TYPE)
{
error ("@optional/@required is allowed in @protocol context only.");
objc_method_optional_flag = false;
}
}
void
objc_set_method_type (enum tree_code type)
{
@ -787,7 +805,8 @@ objc_add_method_declaration (tree decl, tree attributes)
objc_add_method (objc_interface_context,
decl,
objc_inherit_code == CLASS_METHOD_DECL);
objc_inherit_code == CLASS_METHOD_DECL,
objc_method_optional_flag);
}
/* Return 'true' if the method definition could be started, and
@ -816,7 +835,8 @@ objc_start_method_definition (tree decl, tree attributes)
objc_add_method (objc_implementation_context,
decl,
objc_inherit_code == CLASS_METHOD_DECL);
objc_inherit_code == CLASS_METHOD_DECL,
/* is optional */ false);
start_method_def (decl);
return true;
}
@ -7073,11 +7093,32 @@ add_method_to_hash_list (hash *hash_list, tree method)
}
static tree
objc_add_method (tree klass, tree method, int is_class)
objc_add_method (tree klass, tree method, int is_class, bool is_optional)
{
tree mth;
if (!(mth = lookup_method (is_class
/* @optional methods are added to protocol's OPTIONAL list */
if (is_optional)
{
gcc_assert (TREE_CODE (klass) == PROTOCOL_INTERFACE_TYPE);
if (!(mth = lookup_method (is_class
? PROTOCOL_OPTIONAL_CLS_METHODS (klass)
: PROTOCOL_OPTIONAL_NST_METHODS (klass),
method)))
{
if (is_class)
{
TREE_CHAIN (method) = PROTOCOL_OPTIONAL_CLS_METHODS (klass);
PROTOCOL_OPTIONAL_CLS_METHODS (klass) = method;
}
else
{
TREE_CHAIN (method) = PROTOCOL_OPTIONAL_NST_METHODS (klass);
PROTOCOL_OPTIONAL_NST_METHODS (klass) = method;
}
}
}
else if (!(mth = lookup_method (is_class
? CLASS_CLS_METHODS (klass)
: CLASS_NST_METHODS (klass), method)))
{
@ -9064,7 +9105,8 @@ really_start_method (tree method,
if (interface)
objc_add_method (interface, copy_node (method),
TREE_CODE (method) == CLASS_METHOD_DECL);
TREE_CODE (method) == CLASS_METHOD_DECL,
/* is_optional= */ false);
}
}
}

4
gcc/objc/objc-act.h
View file

@ -38,7 +38,7 @@ tree objc_eh_personality (void);
/* Objective-C structures */
#define CLASS_LANG_SLOT_ELTS 5
#define PROTOCOL_LANG_SLOT_ELTS 2
#define PROTOCOL_LANG_SLOT_ELTS 4
#define OBJC_INFO_SLOT_ELTS 2
/* KEYWORD_DECL */
@ -71,6 +71,8 @@ tree objc_eh_personality (void);
#define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
#define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
#define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
#define PROTOCOL_OPTIONAL_CLS_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
#define PROTOCOL_OPTIONAL_NST_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
/* ObjC-specific information pertaining to RECORD_TYPEs are stored in
the LANG_SPECIFIC structures, which may itself need allocating first. */

11
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,14 @@
2010-09-30 Iain Sandoe <iains@gcc.gnu.org>
merge from FSF 'apple/trunk' branch.
2006-01-30 Fariborz Jahanian <fjahanian@apple.com>
Radar 4386773
* objc.dg/enhanced-proto-1.m: New.
* objc.dg/enhanced-proto-2.m: New.
* obj-c++.dg/enhanced-proto-1.mm: New
* obj-c++.dg/enhanced-proto-2.mm: New.
2010-09-30 Richard Guenther <rguenther@suse.de>
PR testsuite/45702

18
gcc/testsuite/obj-c++.dg/enhanced-proto-1.mm Normal file
View file

@ -0,0 +1,18 @@
/* Test use of @optional/@required keywords in @protocol class. */
/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@required
- (void) REQ;
@optional
@end
@protocol MyProto2 <MyProto1>
- (void) FOO2;
@optional
- (void) FOO3;
@end

23
gcc/testsuite/obj-c++.dg/enhanced-proto-2.mm Normal file
View file

@ -0,0 +1,23 @@
/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@optional
- (void) REQ;
@optional
@end
@interface MyProto2 <MyProto1>
@required /* { dg-error "@optional/@required is allowed in @protocol context only" } */
- (void) FOO2;
@optional /* { dg-error "@optional/@required is allowed in @protocol context only" } */
- (void) FOO3;
@end
@implementation MyProto2
- (void) FOO2{}
- (void) FOO3{}
@end

19
gcc/testsuite/objc.dg/enhanced-proto-1.m Normal file
View file

@ -0,0 +1,19 @@
/* APPLE LOCAL file C* language */
/* Test use of @optional/@required keywords in @protocol class. */
/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@required
- (void) REQ;
@optional
@end
@protocol MyProto2 <MyProto1>
- (void) FOO2;
@optional
- (void) FOO3;
@end

24
gcc/testsuite/objc.dg/enhanced-proto-2.m Normal file
View file

@ -0,0 +1,24 @@
/* Test use of @optional/@required keywords in @protocol class. */
/* { dg-do compile } */
@protocol MyProto1
@optional
- (void) FOO;
@optional
- (void) FOO;
@optional
- (void) REQ;
@optional
@end
@interface MyProto2 <MyProto1>
@required /* { dg-error "@optional/@required is allowed in @protocol context only" } */
- (void) FOO2;
@optional /* { dg-error "@optional/@required is allowed in @protocol context only" } */
- (void) FOO3;
@end
@implementation MyProto2
- (void) FOO2{}
- (void) FOO3{}
@end