ChangeLog.apple-ppc [plain text]
2006-05-24 Mike Stump <mrs@apple.com>
* objc-act.c (JBLEN): Update for x86_64.
2006-05-18 Stuart Hastings <stuart@apple.com>
Radar 4385273
* gcc/objc/objc-act.c (objc_build_synchronized): Update JBLEN
for 64-bit.
2006-04-27 Fariborz Jahanian <fjahanian@apple.com>
Radar 4399973 (backport from 4327263)
* objc/objc-act.c (init_module_descriptor): Remove file name
from module descriptors.
2006-03-10 Fariborz Jahanian <fjahanian@apple.com>
Radar 4407151
* objc/objc-act.c (objc_is_class_name): template parameter is not
an objective class name.
(objc_generate_cxx_cdtors): Check for the null
objc_implementation_context.
2006-02-07 Fariborz Jahanian <fjahanian@apple.com>
Radar 4219590
* objc/objc-act.c (objc_start_method_definition): Initialize break/continue
labels.
2005-11-29 Fariborz Jahanian <fjahanian@apple.com>
Radar 4349690
* objc/objc-act.c (update_var_decl): New.
(generate_strings, generate_shared_structures): Reuse old decl
and update it.
(generate_category): A new argument added so the old
decl can be updated and used.
2005-11-29 Fariborz Jahanian <fjahanian@apple.com>
Radar 4349670
* objc/objc-act.c (init_objc_symtab): Use 'short' type for constant
initializer initializing a 'short' field.
2005-11-18 Fariborz Jahanian <fjahanian@apple.com>
objc new meta-data definitions - part 2
* objc/objc-act.c (build_v2_ivar_t_template): New
(build_v2_ivar_list_t_template): New
(generate_v2_ivar_lists): New
(build_v2_ivar_list_initializer): New
(generate_v2_ivars_list): New
(generate_v2_dispatch_tables): New
(ivar_offset_ref): New
(generate_v2_ivar_offset_ref_lists): New
(generate_v2_protocol_list): New
(build_v2_protocol_reference): New
(generate_v2_protocol_references): New
(generate_v2_protocols): New
(build_v2_descriptor_table_initializer): New
(generate_v2_method_descriptors): New
(synth_module_prologue): Declare type 'struct ivar_list_t*'
(build_message_reference_decl): Use a new indexing for building
message_ref names.
(generate_descriptor_table): Added the 'newabi' arg to initilize the
'entsize' field for 'method_list_t' meta data.
(build_protocol_initializer): Added the 'newabi' arg so as not
to initialize the non-existing 'isa' field for 'struct protocol_t'
meta data in the new abi.
(build_method_list_template): For new abi add 'entsize' field to
'struct method_list_t'.
(generate_dispatch_table): Added the 'newabi' argument so for new
abi we set the 'entsize' field of 'struct method_list_t'.
(generate_protocol_list): Removed the 'newabi' argument and its use.
New abi now has its own generate_v2_protocol_list routine.
(generate_v2_shared_structures): Call generate_v2_protocol_references
and generate_v2_protocol_list.
(finish_objc): Generate new ivar-list, method-list, protocol-list
meta data.
* objc/objc-act.h: Assortment of new macro and global variable declarations.
2005-11-14 Fariborz Jahanian <fjahanian@apple.com>
objc new messaging - part 3
* objc/objc-act.c (build_message_reference_decl): New
(build_selector_messenger_reference): Declare the variable
with type "struct message_ref_t" for later initialization.
(build_message_ref_translation_table): Initialize the
variable of type "struct message_ref_t" with the {message_name,
selector}.
(objc_copy_to_temp_side_effect_params): Fix gcc_assert(...).
2005-11-11 Fariborz Jahanian <fjahanian@apple.com>
objc new messaging - part 2
* objc/objc-act.c (build_selector_messenger_reference): New
(build_message_ref_translation_table): New
(objc_copy_to_temp_side_effect_params): New
(objc_create_temporary_var): New
(build_message_ref_template): Reorder fields in message_ref_t
struct for better code gen.
(objc_finish_message_expr): Initialization of message_ref_t table
is now done at link-time. Also, check conditions for object comparison
with 'nil'.
(build_newabi_build_objc_method_call): Check for object being 'nil' before
making the call to message handlers.
(finish_objc): Generate 'struct message_ref_t' translation table.
* objc/objc-act.h: Assortment of new macro and global variable declarations.
2005-11-08 Fariborz Jahanian <fjahanian@apple.com>
Radar 4330422
* objc/objc-act.c (objc_non_volatilized_type): New
2005-11-07 Fariborz Jahanian <fjahanian@apple.com>
objc new messaging - part 1
* objc/objc-act.c (synth_module_prologue): Generate builtin function
decls for all messaging calls.
(build_message_ref_template): Declare 'struct _message_ref_t' and
'struct _super_message_ref_t' types.
(generate_newabi_shared_structures): Fix reported bugs on 'instanceStart'
and 'ivars' fields of the class meta data.
(get_arg_type_list): For new abi, select objc_newabi_super_selector_type or
objc_newabi_selector_type for selector type.
(objc_finish_message_expr): For new abi, generate new messaging run-time
calls.
(build_objc_method_call): New.
* objc/objc-act.h: Assorment of new defines and new global declaration in
support of new messaging calls.
2005-11-01 Fariborz Jahanian <fjahanian@apple.com>
objc new meta-data definitions - part 1
* objc/objc-act.c (create_global_decl): New
(create_extern_decl): New
(build_classlist_reference_decl): New
(build_classlist_translation_table): New
(build_newabi_protocol_template): New
(build_newabi_class_template): New
(newabi_append_ro): New
(build_class_t_initializer): New
(generate_newabi_shared_structures): New
(synth_module_prologue): Declare IMP type objc_imp_type
and use it as needed.
Declare new globals and call build_newabi_protocol_template(...) when
-fobjc-newabi is specified.
(build_private_template): Save type of an Interface in CLASS_TYPE field.
(generate_protocol_list): New argument added.
(synth_forward_declarations): With -fabj-newabi build new class and metaclass
"class_t" types.
(continue_class): Save class and metaclass declarations.
(finish_objc): Restore global class and metaclass declarations.
With -fobjc-newabi call generate_newabi_shared_structures(...).
Also build classlist translation table if needed.
* objc/objc-act.h (imp_entry): class_newabi_decl and meta_newabi_decl fields
added.
(enum objc_tree_index): New enumerators added.
Several global variables declared.
* config/darwin-protos.h (objc_classlist_section, objc_data_section): New declarations.
* config/darwin.c (machopic_select_section): Added conditional calls to
objc_classlist_section() and objc_data_section().
* config/darwin.h: (objc_classlist_section, objc_data_section): New functions.
(objc_section_init): New sections to initialize.
2005-10-10 Fariborz Jahanian <fjahanian@apple.com>
Radar 4301047
* objc-act.c (encode_type): Remove the hack.
2005-10-17 Fariborz Jahanian <fjahanian@apple.com>
Radar 4290840
* objc-act.c (objc_start_method_definition): Check for error_mark_node for
the selector name and make a quick exit.
2005-10-12 Fariborz Jahanian <fjahanian@apple.com>
Radar 4291785
* objc-act.c (objc_get_interface_ivars): New function.
(objc_detect_field_duplicates): Ditto.
(objc_collecting_ivars): New flag.
(continue_class): Set and reset objc_collecting_ivars for context.
* objc-act.h (TOTAL_CLASS_RAW_IVARS): New field for interface types.
2005-10-10 Fariborz Jahanian <fjahanian@apple.com>
Radar 4291099
* objc-act.c (objc_generate_write_barrier): Add write-barriers for
c++'s ctor initializer list.
2005-10-07 Fariborz Jahanian <fjahanian@apple.com>
Radar 4204796
* objc-act.c (objc_build_volatilized_type): Build 'volatilzed'
types with proper attribute set and correctly.
(objc_volatilize_decl): Remove unneeded code.
(objc_type_quals_match): Use the new attribute to check on
'volatilzed' type.
(hash_init): removed unneeded code.
2005-10-04 Fariborz Jahanian <fjahanian@apple.com>
Radar 4278236
* objc-act.c (objc_declare_class): Pick the right
type tree.
2005-10-04 Fariborz Jahanian <fjahanian@apple.com>
Radar 4281748
* objc-act.c (objc_check_global_decl): New
2005-10-07 Fariborz Jahanian <fjahanian@apple.com>
radar 4292010
* objc-act.c (objc_generate_write_barrier): Turn off gc-specific
warning till post chardonnay.
2005-10-06 Fariborz Jahanian <fjahanian@apple.com>
Radar 4280641
* objc-act.c (TAG_MSGSEND_FPRET): New objc runtime call name.
(synth_module_prologue): Build bultin function for this runtime
function (x86 only).
(build_objc_method_call): Call this runtime for methods returning
floats and if not call to super receiver.
* objc-act.h (OCTI_UMSG_FPRET_DECL): New definition.
(umsg_fpret_decl): New definition.
2005-09-29 Ziemowit Laski <zlaski@apple.com>
Radar 4136489
* objc-act.c (objc_is_gcable_type): Remove second parameter;
handle __weak attribute.
(objc_is_strong_p): New function.
(objc_is_object_ptr): Check main variant of pointee.
(objc_is_gcable_p): Hande __weak attribute.
(objc_generate_write_barrier): For GC-able objects, always generate
a strong-cast write barrier as a last resort, unless the object's
type is marked __weak.
2005-08-23 Stuart Hastings <stuart@apple.com>
Ziemowit Laski <zlaski@apple.com>
Radar 4209854
* objc-act.c (objc_decay_parm_type): New function.
(get_arg_type_list): Decay types for all named arguments.
(objc_push_parm): Rebuild the PARM_DECL if its type has
been decayed.
2005-08-22 Ziemowit Laski <zlaski@apple.com>
Radar 4174166
* objc-act.c (objc_compare_types): Compare function
pointers; indicate success if the right-hand side has
a return type that is covariant, and the argument types
contravariant, with those of the left side.
2005-08-22 Ziemowit Laski <zlaski@apple.com>
Radar 4216500
* objc-act.c (objc_get_protocol_qualified_type): When looking
at a typedef, retrieve the precise type it describes (rather
than merely looking up a class by name).
2005-07-20 Ziemowit Laski <zlaski@apple.com>
Radar 4136935
* objc-act.c (pointee_is_readonly): New function.
(encode_pointer, encode_aggregate_within, encode_type):
Attempt to emulate GCC 3.3 when generating type encodings.
2005-07-18 Ziemowit Laski <zlaski@apple.com>
Radar 4175534
* objc-act.c (objc_compare_types): A new silent comparison
mode (-4), differing from regular comparison (-3) in that
'false' is returned instead of issuing warnings.
2005-07-08 Ziemowit Laski <zlaski@apple.com>
Radar 4168740 (via mainline)
* objc-act.c (objc_build_struct): Pass in an actual @interface
instead of its name, and annotate the struct created (and all
existing variants thereof) with the @interface.
(objc_compare_types): Treat forward-declared ObjC classes
as stand-alone (root) classes for purposes of type comparisons.
(build_private_template): Move some code to objc_build_struct().
2005-07-07 Ziemowit Laski <zlaski@apple.com>
PR objc/22274
* objc-act.c (objc_build_string_object): For GNU-style constants,
use the @interface type rather than the built-in type.
2005-07-05 Devang Patel <dpatel@apple.com>
Radar 4168086
* lang-specs.h: While making PCH, invoke as if -fsave-repository
is used when -save-temps is not used.
2005-07-01 Ziemowit Laski <zlaski@apple.com>
Radar 4153181
* objc-act.c (objc_build_volatilized_type): New function.
(objc_volatilize_decl): Call objc_build_volatilized_type()
instead of build_qualified_type().
2005-06-30 Devang Patel <dpatel@apple.com>
* lang-specs.h: While making PCH, invoke as if -fsave-repository
is used.
2005-06-28 Ziemowit Laski <zlaski@apple.com>
Radar 4140824
* objc-act.c (objc_build_struct): Save the TYPE_OBJC_INFO
portion of TYPE_LANG_SPECIFIC info for all variants of
a class before calling finish_struct(), and restore
same TYPE_OBJC_INFO afterwards.
2005-06-22 Ziemowit Laski <zlaski@apple.com>
Radar 4154928
* objc-act.c (objc_common_type): New function.
2005-06-21 Ziemowit Laski <zlaski@apple.com>
Radar 4149909
* objc-act.c (objc_build_internal_const_str_type): New function.
(check_string_class_template): Use objc_get_class_ivars() instead
of TYPE_FIELDS() to retrieve ivar list.
(AT_LEAST_AS_LARGE_AS): Check the size of each field's type rather
than the field itself.
(objc_build_string_object): Synthesize a "__builtin_ObjCString"
type and use it to lay out compile-time string objects.
* objc-act.h (OCTI_INTERNAL_CNST_STR_TYPE, internal_const_str_type):
New.
2005-05-19 Ziemowit Laski <zlaski@apple.com>
Radar 4035492
* objc-act.c (objc_build_struct, objc_derived_from_p,
objc_build_component_ref, objc_copy_binfo, objc_xref_basetypes,
objc_lookup_protocol, objc_compare_protocols, objc_volatilize_decl,
encode_aggregate_fields, volatilized_hash, volatilized_eq,
objc_compare_types, objc_type_quals_match):
New functions.
(DERIVED_FROM_P): New ObjC macro, corresponding to C++ macro
of same name.
(get_class_ivars): Add second parameter indicating if entire
hierarchy is desired.
(struct volatilized_type): New type.
(volatilized_htab): New hash table.
(objc_types_compatible_p, objc_comptypes): Remove functions.
(synth_module_prologue): Do not initialize 'unused_list'.
(objc_get_class_reference): Fix ObjC++ impedance mismatches.
(objc_declare_alias): Implement as a typedef.
(objc_substitute_decl, objc_gimplify_expr): Reformat.
(objc_get_class_ivars): Adjust call to get_class_ivars().
(next_sjlj_build_enter_and_setjmp, synth_forward_declarations,
build_ivar_reference, get_super_receiver): Call
objc_build_component_ref() instead of build_component_ref().
(objc_begin_catch_clause): Use DERIVED_FROM_P() instead of
objc_comptypes().
(build_private_template): Call objc_build_struct() instead of
start_struct() and finish_struct().
(hash_init): Initialize volatilized_htab.
(objc_is_public): Adjust calls to objc_get_ivars(); adjust
ObjC++ impedance mismatches.
(encode_aggregate_within): Streamline by calling
encode_aggregate_fields().
* objc-act.h (objc_types_compatible_p): Remove prototype.
(OCTI_UNUSED_LIST, unused_list): Remove slot.
* objc-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
2005-04-19 Ziemowit Laski <zlaski@apple.com>
Radar 4056870
* objc-act.c (start_class): Traverse @compatibility_alias
declaration when looking up super class; produce error
message if super class only has a @class declaration.
2005-04-11 Ziemowit Laski <zlaski@apple.com>
Radar 4073569
* objc-act.c (objc_finish_message_expr): When sending
messages to classes that were _only_ forward-declared
(via '@class'), do not issue "may not respond" to
warnings.
2005-04-08 Ziemowit Laski <zlaski@apple.com>
Radar 4055183
* objc-act.c (objc_rewrite_function_call): New function.
2005-03-11 Ziemowit Laski <zlaski@apple.com>
Radar 3995882
* objc-act.c (objc_begin_try_stmt): When doing _setjmp()/
_longjmp() EH, call objc_mark_locals_volatile().
2005-02-17 Ziemowit Laski <zlaski@apple.com>
Radar 4006978
* objc-act.c (objc_is_public): Remove unneeded code.
2005-02-17 Ziemowit Laski <zlaski@apple.com>
Radar 3635843, 3922342
* objc-act.c (OBJC_VERSION): Bump to '6' for the NeXT.
(objc_is_gcable_type, objc_substitute_decl,
objc_build_ivar_assignment, objc_build_global_assignment,
objc_build_strong_cast_assignment, objc_is_gcable_p,
objc_is_ivar_reference_p, objc_is_global_reference_p,
objc_generate_write_barrier): New functions.
(TAG_ASSIGNIVAR, TAG_ASSIGNGLOBAL, TAG_ASSIGNSTRONGCAST,
TAG_MSGSEND_FAST, TAG_ASSIGNIVAR_FAST, OFFS_MSGSEND_FAST,
OFFS_ASSIGNIVAR_FAST): New macros.
(synth_module_prologue): Synthesize 'objc_msgSend_Fast'
function prototype.
(build_next_objc_exception_stuff): Synthesize
'objc_assign_ivar', 'objc_assign_ivar_Fast',
'objc_assign_global' and 'objc_assign_strongCast'
function prototypes.
(build_objc_method_call): Call 'objc_msgSend_Fast'
instead of 'objc_msgSend' if '-fobjc-direct-dispatch'
has been specified.
(finish_objc): Generate image info if '-fobjc-gc'
has been specified.
(generate_objc_image_info): Set a bit indicating if
'-fobjc-gc' has been specified.
* objc-act.h (OCTI_UMSG_FAST_DECL, OCTI_ASSIGN_IVAR_DECL,
OCTI_ASSIGN_IVAR_FAST_DECL, OCTI_ASSIGN_GLOBAL_DECL,
OCTI_ASSIGN_STRONGCAST_DECL): New enum slots.
(umsg_fast_decl, objc_assign_ivar_decl,
objc_assign_ivar_fast_decl, objc_assign_global_decl,
objc_assign_strong_cast_decl): New slot accessors.
2005-02-11 Ziemowit Laski <zlaski@apple.com>
Radar 3962013 (Part 2)
* objc-act.c (objc_types_share_size_and_alignment): New
function.
(check_duplicates): Update comment.
(comp_proto_with_proto): If types do not match, call
objc_types_share_size_and_alignment() as a fallback in
non-strict mode.
2005-02-11 Ziemowit Laski <zlaski@apple.com>
Radar 3978619
* objc-act.c (should_call_super_dealloc): New variable.
(objc_finish_message_expr): If calling [super dealloc],
clear the should_call_super_dealloc variable.
(start_method_def): If defining a 'dealloc' method in a
non-root class, set the should_call_super_dealloc variable.
(objc_finish_method_definition): Print a warning if
the should_call_super_dealloc is set.
2005-02-10 Ziemowit Laski <zlaski@apple.com>
Radar 3982256
* objc-act.c: Update copyright notice; include langhooks-def.h.
(objc_types_compatible_p): New lang hook function.
* objc-act.h: Update copyright notice.
(objc_types_compatible_p): New prototype.
* objc-lang.c: Update copyright notice.
(LANG_HOOKS_TYPES_COMPATIBLE_P): Point at objc_types_compatible_p().
2005-02-08 Ziemowit Laski <zlaski@apple.com>
Radar 3987972
* objc-act.c (objc_start_function): Reset
'current_function_returns_value' and 'current_function_returns_null'
global flags.
2005-01-30 Ziemowit Laski <zlaski@apple.com>
Radar 3962013
* objc-act.c (comp_proto_with_proto): Add a STRICT parameter
to allow for relaxed type comparisons.
(check_duplicates): If '-Wno-strict-selector-match' is specified,
do not warn about multiple method signatures if they differ only
in their ObjC types.
(add_method_to_hash_list, objc_add_method, really_start_method):
Adjust calls to comp_proto_with_proto().
2005-01-27 Matt Austern <austern@apple.com>
Radar 3971445
* objc-act.c (objc_finish_file): In Objective-C++ mode, set at_eof
before calling instantiate_pending_templates.
2005-01-17 Ziemowit Laski <zlaski@apple.com>
* objc-act.c (objc_get_class_reference): Move stray
APPLE LOCAL marker.
2005-01-17 Ziemowit Laski <zlaski@apple.com>
Radar 3955336
* objc-act.c (objc_get_class_reference): In Objective-C++,
make sure a type is declared in the global namespace before
looking it up as an ObjC class.
2005-01-17 Ziemowit Laski <zlaski@apple.com>
Radar 3953044 (PR objc/19321)
* objc-act.c (get_arg_type_list): Decay function arguments into
pointers.
(objc_push_parm): Likewise; bring PARM_DECL construction closer
in line with what the C front-end does.
(objc_get_parm_info): Call pushdecl() and finish_decl() on
each PARM_DECL, like the C front-end does.
(start_method_def): Remove redundant ARRAY_TYPE decay.
(objc_start_function): Bring closer in line with what the
C front-end does for functions.
2005-01-17 Ziemowit Laski <zlaski@apple.com>
Radar 3951689
* objc-act.c (next_sjlj_build_enter_and_setjmp): For
Objective-C++, convert _setjmp() argument to type the
function expects.
(objc_finish_try_stmt, objc_build_synchronized): Return
the resulting statement node.
2005-01-14 Mike Stump <mrs@apple.com>
Radar 3948135
* lang-specs.h ("@objective-c"): Use cc1obj when -E is used so
that -fzero-link is accepted.
2005-01-12 Ziemowit Laski <zlaski@apple.com>
Radar 3882153
* objc-act.c (objc_finish_file): Do not synthesize metadata
when generating a PCH file.
2005-01-11 Ziemowit Laski <zlaski@apple.com>
Radar 3918079
* objc-act.c (OBJC_LOOKUP_CLASS, OBJC_LOOKUP_NO_SUPER): New
flags.
(lookup_method_static): Generalize third argument to indicate
whether to search superclasses for a method.
(really_start_method): When looking for matching method in
the @interface, do not look in superclasses.
2005-01-06 Ziemowit Laski <zlaski@apple.com>
Radar 3925982
* objc-act.c (objc_method_parm_type): Return the type found
rather than its main variant.
(encode_aggregate_within): Streamline util_obstack accesses;
allow for records and/or pointers thereto to be const-qualified.
2005-01-03 Ziemowit Laski <zlaski@apple.com>
Radar 3926282 (PR objc/18971)
* objc-act.c (get_arg_type_list, start_method_def): Decay
array arguments into pointers.
(gen_type_name_0): Learn to pretty-print array types.
2004-11-10 Ziemowit Laski <zlaski@apple.com>
Radar 3761423
* objc-act.c (build_private_template): Return 'void';
move fix for Radar 3261135 from continue_class().
(objc_is_public): Robustify for use with ObjC++; examine
"raw" ivars of the ObjC class instead of side-effected
fields of the underlying struct.
(continue_class): Return "raw" ivar list instead of
struct field list; move Radar 3261135 to
build_private_template(), and call it.
2004-11-01 Ziemowit Laski <zlaski@apple.com>
Radar 2810013 (fix from mainline)
* objc-act.c (objc_lookup_ivar): The new OTHER parameter
contains the result of the ID lookup by the C or C++
front-end; in class methods, use OTHER if it exists;
in instance methods, use OTHER only if it is locally
declared.
2004-10-27 Ziemowit Laski <zlaski@apple.com>
Radar 3854155
* objc-act.c (generate_shared_structures): Add a CLS_FLAGS
parameter whose value gets ORed into the INFO field of
the class descriptor.
(CLS_HAS_CXX_STRUCTORS): New metadata bit.
(objc_generate_cxx_cdtors): Set flag in current imp_entry
if either '-.cxx_construct' or '-.cxx_destruct' were
synthesized...
(continue_class): ...after initially clearing it herre.
(finish_objc): Adjust call to generate_shared_structures(),
passing in CLS_HAS_CXX_STRUCTORS for classes with non-POD
ivars.
* objc-act.h (struct imp_entry): New has_cxx_cdtors field.
2004-10-26 Ziemowit Laski <zlaski@apple.com>
Radar 3833116 (fix from mainline)
* objc-act.c (finish_class): Do not synthesize bogus
'extern objc_object *_Foo;' declarations for @interface Foo.
2004-10-21 Andrew Pinski <pinskia@physics.uc.edu>
Radar 3845826 (PR objc/17923)
* objc-act.c (objc_build_string_object): Create a CONST_DECL
for the NeXT runtime case.
2004-10-21 Ziemowit Laski <zlaski@apple.com>
Radar 3540965
* objc-act.c (objc_generate_cxx_ctor_or_dtor,
objc_generate_cxx_cdtors): New functions.
(TAG_CXX_CONSTRUCT, TAG_CXX_DESTRUCT): New macros.
(objc_finish_implementation): Call objc_generate_cxx_cdtors()
if -fobjc-call-cxx-cdtors has been specified.
(add_instance_variable): Emit different diagnostics for
-fobjc-call-cxx-cdtors than for -fno-objc-call-cxx-cdtors.
2004-10-13 Ziemowit Laski <zlaski@apple.com>
Radar 3677258
* objc-act.c (add_class): Add a 'name' parameter, and point it
back at 'class' via IDENTIFIER_INTERFACE_VALUE accessor.
(lookup_interface): Look in IDENTIFIER_INTERFACE_VALUE accessor
instead of searching for class in a list.
(start_class): Adjust calls to add_class().
* objc-act.h (IDENTIFIER_INTERFACE_VALUE): Reformat.