Yet more Objective-C++...
* c-common.h (objc_finish_try_stmt): Add.
(objc_build_synchronized): Add.
(objc_generate_write_barrier): Add.
* stub-objc.c (objc_build_synchronized): Add return value.
(objc_finish_try_stmt): Likewise.
(objc_generate_write_barrier): Add.
* c-common.h (objc_rewrite_function_call): Add.
* c-typeck.c (build_function_call): Allow objc to rewrite
FUNCTION_DECLs.
(build_modify_expr): Allow objc to generate write barriers.
* c.opt (Wassign-intercept): Add.
(Wstrict-selector-match): Add.
(fobjc-call-cxx-cdtors): Add.
(fobjc-direct-dispatch): Add.
(fobjc-gc): Add.
* dbxout.c (get_lang_number): Add Objective-C++ support.
* doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
(-Wstrict-selector-match): Likewise.
(-fobjc-direct-dispatch): Likewise.
(-Wassign-intercept): Likewise.
(Overall Options): Likewise.
* gengtype.c (get_output_file_with_visibility): Likewise.
* stub-objc.c (objc_rewrite_function_call): Add.
* config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
* c-common.c (flag_objc_exceptions): Remove.
(flag_objc_sjlj_exceptions): Remove.
* c-decl.c (objc_mark_locals_volatile): Don't change decls
that are already ok.
* c-opts.c (c_common_handle_option, case
OPT_fobjc_exceptions): Remove.
(case OPT_fobjc_sjlj_exceptions): Remove
* c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
(fobjc-exceptions): Likewise.
(fobjc-sjlj-exceptions): Likewise.
* config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
(OFFS_ASSIGNIVAR_FAST): Add.
From-SVN: r99858
This commit is contained in:
Ziemowit Laski
Mike Stump
parent
38b9c8c3a9
commit
6e95543072
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@ -1,3 +1,46 @@
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2005-05-17 Mike Stump <mrs@apple.com>
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Yet more Objective-C++...
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* c-common.h (objc_finish_try_stmt): Add.
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(objc_build_synchronized): Add.
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(objc_generate_write_barrier): Add.
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* stub-objc.c (objc_build_synchronized): Add return value.
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(objc_finish_try_stmt): Likewise.
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(objc_generate_write_barrier): Add.
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* c-common.h (objc_rewrite_function_call): Add.
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* c-typeck.c (build_function_call): Allow objc to rewrite
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FUNCTION_DECLs.
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(build_modify_expr): Allow objc to generate write barriers.
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* c.opt (Wassign-intercept): Add.
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(Wstrict-selector-match): Add.
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(fobjc-call-cxx-cdtors): Add.
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(fobjc-direct-dispatch): Add.
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(fobjc-gc): Add.
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* dbxout.c (get_lang_number): Add Objective-C++ support.
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* doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
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(-Wstrict-selector-match): Likewise.
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(-fobjc-direct-dispatch): Likewise.
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(-Wassign-intercept): Likewise.
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(Overall Options): Likewise.
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* gengtype.c (get_output_file_with_visibility): Likewise.
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* stub-objc.c (objc_rewrite_function_call): Add.
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* config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
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* c-common.c (flag_objc_exceptions): Remove.
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(flag_objc_sjlj_exceptions): Remove.
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* c-decl.c (objc_mark_locals_volatile): Don't change decls
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that are already ok.
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* c-opts.c (c_common_handle_option, case
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OPT_fobjc_exceptions): Remove.
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(case OPT_fobjc_sjlj_exceptions): Remove
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* c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
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(fobjc-exceptions): Likewise.
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(fobjc-sjlj-exceptions): Likewise.
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* config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
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(OFFS_ASSIGNIVAR_FAST): Add.
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2005-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
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* config/sparc/sparc.md (movhi): Do not test constness
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@ -38,6 +81,7 @@
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* cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
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const.
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>>>>>>> 2.8834
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2005-05-17 Zdenek Dvorak <dvorakz@suse.cz>
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* ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
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@ -290,13 +290,6 @@ int warn_strict_null_sentinel;
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will most likely result in crashes. */
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int flag_nil_receivers = 1;
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/* Nonzero means that we will allow new ObjC exception syntax (@throw,
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@try, etc.) in source code. */
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int flag_objc_exceptions = 0;
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/* Nonzero means that we generate NeXT setjmp based exceptions. */
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int flag_objc_sjlj_exceptions = -1;
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/* Nonzero means that code generation will be altered to support
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"zero-link" execution. This currently affects ObjC only, but may
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affect other languages in the future. */
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@ -874,6 +874,7 @@ extern tree objc_is_object_ptr (tree);
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extern void objc_check_decl (tree);
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extern int objc_is_reserved_word (tree);
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extern int objc_comptypes (tree, tree, int);
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extern tree objc_rewrite_function_call (tree, tree);
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extern tree objc_message_selector (void);
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extern tree objc_lookup_ivar (tree, tree);
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extern void objc_clear_super_receiver (void);
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@ -910,13 +911,14 @@ extern void objc_add_instance_variable (tree);
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extern tree objc_build_keyword_decl (tree, tree, tree);
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extern tree objc_build_throw_stmt (tree);
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extern void objc_begin_try_stmt (location_t, tree);
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extern void objc_finish_try_stmt (void);
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extern tree objc_finish_try_stmt (void);
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extern void objc_begin_catch_clause (tree);
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extern void objc_finish_catch_clause (void);
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extern void objc_build_finally_clause (location_t, tree);
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extern void objc_build_synchronized (location_t, tree, tree);
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extern tree objc_build_synchronized (location_t, tree, tree);
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extern int objc_static_init_needed_p (void);
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extern tree objc_generate_static_init_call (tree);
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extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
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/* The following are provided by the C and C++ front-ends, and called by
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ObjC/ObjC++. */
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20
gcc/c-decl.c
20
gcc/c-decl.c
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@ -567,12 +567,22 @@ objc_mark_locals_volatile (void *enclosing_blk)
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{
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for (b = scope->bindings; b; b = b->prev)
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{
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if (TREE_CODE (b->decl) == VAR_DECL
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|| TREE_CODE (b->decl) == PARM_DECL)
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tree decl = b->decl;
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/* Do not mess with variables that are 'static' or (already)
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'volatile'. */
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if (!TREE_THIS_VOLATILE (decl) && !TREE_STATIC (decl)
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&& (TREE_CODE (decl) == VAR_DECL
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|| TREE_CODE (decl) == PARM_DECL))
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{
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C_DECL_REGISTER (b->decl) = 0;
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DECL_REGISTER (b->decl) = 0;
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TREE_THIS_VOLATILE (b->decl) = 1;
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TREE_TYPE (decl)
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= build_qualified_type (TREE_TYPE (decl),
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(TYPE_QUALS (TREE_TYPE (decl))
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| TYPE_QUAL_VOLATILE));
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TREE_THIS_VOLATILE (decl) = 1;
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TREE_SIDE_EFFECTS (decl) = 1;
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DECL_REGISTER (decl) = 0;
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C_DECL_REGISTER (decl) = 0;
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}
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}
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@ -699,14 +699,6 @@ c_common_handle_option (size_t scode, const char *arg, int value)
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flag_no_nonansi_builtin = !value;
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break;
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case OPT_fobjc_exceptions:
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flag_objc_exceptions = value;
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break;
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case OPT_fobjc_sjlj_exceptions:
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flag_objc_sjlj_exceptions = value;
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break;
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case OPT_foperator_names:
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cpp_opts->operator_names = value;
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break;
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@ -2023,6 +2023,10 @@ build_function_call (tree function, tree params)
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else
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function = default_conversion (function);
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/* For Objective-C, convert any calls via a cast to OBJC_TYPE_REF
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expressions, like those used for ObjC messenger dispatches. */
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function = objc_rewrite_function_call (function, params);
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fntype = TREE_TYPE (function);
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if (TREE_CODE (fntype) == ERROR_MARK)
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@ -3485,6 +3489,14 @@ build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs)
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if (TREE_CODE (newrhs) == ERROR_MARK)
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return error_mark_node;
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/* Emit ObjC write barrier, if necessary. */
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if (c_dialect_objc () && flag_objc_gc)
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{
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result = objc_generate_write_barrier (lhs, modifycode, newrhs);
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if (result)
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return result;
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}
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/* Scan operands. */
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result = build2 (MODIFY_EXPR, lhstype, lhs, newrhs);
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29
gcc/c.opt
29
gcc/c.opt
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@ -120,6 +120,10 @@ Wall
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C ObjC C++ ObjC++
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Enable most warning messages
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Wassign-intercept
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ObjC ObjC++ Var(warn_assign_intercept)
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Warn whenever an Objective-C assignment is being intercepted by the garbage collector
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Wbad-function-cast
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C ObjC Var(warn_bad_function_cast)
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Warn about casting functions to incompatible types
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@ -362,6 +366,10 @@ Wstrict-prototypes
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C ObjC Var(warn_strict_prototypes)
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Warn about unprototyped function declarations
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Wstrict-selector-match
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ObjC ObjC++ Var(warn_strict_selector_match)
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Warn if type signatures of candidate methods do not match exactly
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Wsynth
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C++ ObjC++ Var(warn_synth)
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Warn when synthesis behavior differs from Cfront
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@ -564,12 +572,29 @@ C++ ObjC++
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fnonnull-objects
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C++ ObjC++
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; Generate special '- .cxx_construct' and '- .cxx_destruct' methods
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; to initialize any non-POD ivars in Objective-C++ classes.
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fobjc-call-cxx-cdtors
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ObjC++ Var(flag_objc_call_cxx_cdtors)
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Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed
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fobjc-direct-dispatch
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ObjC ObjC++ Var(flag_objc_direct_dispatch)
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Allow fast jumps to the message dispatcher
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; Nonzero means that we will allow new ObjC exception syntax (@throw,
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; @try, etc.) in source code.
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fobjc-exceptions
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ObjC ObjC++
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ObjC ObjC++ Var(flag_objc_exceptions)
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Enable Objective-C exception and synchronization syntax
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fobjc-gc
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ObjC ObjC++ Var(flag_objc_gc)
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Enable garbage collection (GC) in Objective-C/Objective-C++ programs
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; Nonzero means that we generate NeXT setjmp based exceptions.
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fobjc-sjlj-exceptions
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ObjC ObjC++
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ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1)
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Enable Objective-C setjmp exception handling runtime
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foperator-names
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@ -533,7 +533,10 @@ Boston, MA 02111-1307, USA. */
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machopic_validate_stub_or_non_lazy_ptr (xname); \
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else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \
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machopic_validate_stub_or_non_lazy_ptr (xname); \
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fputs (&xname[1], FILE); \
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if (xname[1] != '"' && name_needs_quotes (&xname[1])) \
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fprintf (FILE, "\"%s\"", &xname[1]); \
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else \
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fputs (&xname[1], FILE); \
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} \
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else if (xname[0] == '+' || xname[0] == '-') \
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fprintf (FILE, "\"%s\"", xname); \
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@ -541,6 +544,8 @@ Boston, MA 02111-1307, USA. */
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fprintf (FILE, "L%s", xname); \
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else if (!strncmp (xname, ".objc_class_name_", 17)) \
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fprintf (FILE, "%s", xname); \
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else if (xname[0] != '"' && name_needs_quotes (xname)) \
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fprintf (FILE, "\"%s\"", xname); \
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||||
else \
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||||
asm_fprintf (FILE, "%U%s", xname); \
|
||||
} while (0)
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||||
|
|
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|||
|
|
@ -407,3 +407,9 @@ do { \
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|||
references for data to the original instance of that data. */
|
||||
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||||
#define TARGET_FIX_AND_CONTINUE (darwin_fix_and_continue)
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||||
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||||
/* This is the reserved direct dispatch address for Objective-C. */
|
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#define OFFS_MSGSEND_FAST 0xFFFEFF00
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||||
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||||
/* This is the reserved ivar address Objective-C. */
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||||
#define OFFS_ASSIGNIVAR_FAST 0xFFFEFEC0
|
||||
|
|
|
|||
|
|
@ -971,6 +971,8 @@ get_lang_number (void)
|
|||
return N_SO_PASCAL;
|
||||
else if (strcmp (language_string, "GNU Objective-C") == 0)
|
||||
return N_SO_OBJC;
|
||||
else if (strcmp (language_string, "GNU Objective-C++") == 0)
|
||||
return N_SO_OBJCPLUS;
|
||||
else
|
||||
return 0;
|
||||
|
||||
|
|
|
|||
|
|
@ -197,11 +197,17 @@ Objective-C and Objective-C++ Dialects}.
|
|||
-fconstant-string-class=@var{class-name} @gol
|
||||
-fgnu-runtime -fnext-runtime @gol
|
||||
-fno-nil-receivers @gol
|
||||
-fobjc-call-cxx-cdtors @gol
|
||||
-fobjc-direct-dispatch @gol
|
||||
-fobjc-exceptions @gol
|
||||
-fobjc-gc @gol
|
||||
-freplace-objc-classes @gol
|
||||
-fzero-link @gol
|
||||
-gen-decls @gol
|
||||
-Wno-protocol -Wselector -Wundeclared-selector}
|
||||
-Wassign-intercept @gol
|
||||
-Wno-protocol -Wselector @gol
|
||||
-Wstrict-selector-match @gol
|
||||
-Wundeclared-selector}
|
||||
|
||||
@item Language Independent Options
|
||||
@xref{Language Independent Options,,Options to Control Diagnostic Messages Formatting}.
|
||||
|
|
@ -816,6 +822,13 @@ C++ source code which must be preprocessed. Note that in @samp{.cxx},
|
|||
the last two letters must both be literally @samp{x}. Likewise,
|
||||
@samp{.C} refers to a literal capital C@.
|
||||
|
||||
@item @var{file}.mm
|
||||
@itemx @var{file}.M
|
||||
Objective-C++ source code which must be preprocessed.
|
||||
|
||||
@item @var{file}.mii
|
||||
Objective-C++ source code which should not be preprocessed.
|
||||
|
||||
@item @var{file}.hh
|
||||
@itemx @var{file}.H
|
||||
C++ header file to be turned into a precompiled header.
|
||||
|
|
@ -1897,6 +1910,35 @@ is not @code{nil}. This allows for more efficient entry points in the runtime
|
|||
to be used. Currently, this option is only available in conjunction with
|
||||
the NeXT runtime on Mac OS X 10.3 and later.
|
||||
|
||||
@item -fobjc-call-cxx-cdtors
|
||||
@opindex fobjc-call-cxx-cdtors
|
||||
For each Objective-C class, check if any of its instance variables is a
|
||||
C++ object with a non-trivial default constructor. If so, synthesize a
|
||||
special @code{- (id) .cxx_construct} instance method that will run
|
||||
non-trivial default constructors on any such instance variables, in order,
|
||||
and then return @code{self}. Similarly, check if any instance variable
|
||||
is a C++ object with a non-trivial destructor, and if so, synthesize a
|
||||
special @code{- (void) .cxx_destruct} method that will run
|
||||
all such default destructors, in reverse order.
|
||||
|
||||
The @code{- (id) .cxx_construct} and/or @code{- (void) .cxx_destruct} methods
|
||||
thusly generated will only operate on instance variables declared in the
|
||||
current Objective-C class, and not those inherited from superclasses. It
|
||||
is the responsibility of the Objective-C runtime to invoke all such methods
|
||||
in an object's inheritance hierarchy. The @code{- (id) .cxx_construct} methods
|
||||
will be invoked by the runtime immediately after a new object
|
||||
instance is allocated; the @code{- (void) .cxx_destruct} methods will
|
||||
be invoked immediately before the runtime deallocates an object instance.
|
||||
|
||||
As of this writing, only the NeXT runtime on Mac OS X 10.4 and later has
|
||||
support for invoking the @code{- (id) .cxx_construct} and
|
||||
@code{- (void) .cxx_destruct} methods.
|
||||
|
||||
@item -fobjc-direct-dispatch
|
||||
@opindex fobjc-direct-dispatch
|
||||
Allow fast jumps to the message dispatcher. On Darwin this is
|
||||
accompilished via the comm page.
|
||||
|
||||
@item -fobjc-exceptions
|
||||
@opindex fobjc-exceptions
|
||||
Enable syntactic support for structured exception handling in Objective-C,
|
||||
|
|
@ -1989,6 +2031,10 @@ Unlike Java, Objective-C does not allow for entire methods to be marked
|
|||
@code{@@synchronized} blocks is allowed, and will cause the guarding object
|
||||
to be unlocked properly.
|
||||
|
||||
@item -fobjc-gc
|
||||
@opindex fobjc-gc
|
||||
Enable garbage collection (GC) in Objective-C and Objective-C++ programs.
|
||||
|
||||
@item -freplace-objc-classes
|
||||
@opindex freplace-objc-classes
|
||||
Emit a special marker instructing @command{ld(1)} not to statically link in
|
||||
|
|
@ -2015,6 +2061,11 @@ for individual class implementations to be modified during program execution.
|
|||
Dump interface declarations for all classes seen in the source file to a
|
||||
file named @file{@var{sourcename}.decl}.
|
||||
|
||||
@item -Wassign-intercept
|
||||
@opindex Wassign-intercept
|
||||
Warn whenever an Objective-C assignment is being intercepted by the
|
||||
garbage collector.
|
||||
|
||||
@item -Wno-protocol
|
||||
@opindex Wno-protocol
|
||||
If a class is declared to implement a protocol, a warning is issued for
|
||||
|
|
@ -2038,6 +2089,15 @@ stage of compilation is not reached, for example because an error is
|
|||
found during compilation, or because the @option{-fsyntax-only} option is
|
||||
being used.
|
||||
|
||||
@item -Wstrict-selector-match
|
||||
@opindex Wstrict-selector-match
|
||||
Warn if multiple methods with differing argument and/or return types are
|
||||
found for a given selector when attempting to send a message using this
|
||||
selector to a receiver of type @code{id} or @code{Class}. When this flag
|
||||
is off (which is the default behavior), the compiler will omit such warnings
|
||||
if any differences found are confined to types which share the same size
|
||||
and alignment.
|
||||
|
||||
@item -Wundeclared-selector
|
||||
@opindex Wundeclared-selector
|
||||
Warn if a @code{@@selector(@dots{})} expression referring to an
|
||||
|
|
|
|||
|
|
@ -1238,6 +1238,15 @@ get_output_file_with_visibility (const char *input_file)
|
|||
output_name = "gt-c-common.h", for_name = "c-common.c";
|
||||
else if (strcmp (basename, "c-tree.h") == 0)
|
||||
output_name = "gt-c-decl.h", for_name = "c-decl.c";
|
||||
else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
|
||||
&& strcmp (basename + 3, "cp-tree.h") == 0)
|
||||
output_name = "gt-cp-tree.h", for_name = "cp/tree.c";
|
||||
else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
|
||||
&& strcmp (basename + 3, "decl.h") == 0)
|
||||
output_name = "gt-cp-decl.h", for_name = "cp/decl.c";
|
||||
else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
|
||||
&& strcmp (basename + 3, "name-lookup.h") == 0)
|
||||
output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c";
|
||||
else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4])
|
||||
&& strcmp (basename + 5, "objc-act.h") == 0)
|
||||
output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c";
|
||||
|
|
|
|||
|
|
@ -70,6 +70,12 @@ objc_comptypes (tree ARG_UNUSED (lhs), tree ARG_UNUSED (rhs),
|
|||
return -1;
|
||||
}
|
||||
|
||||
tree
|
||||
objc_rewrite_function_call (tree function, tree ARG_UNUSED (params))
|
||||
{
|
||||
return function;
|
||||
}
|
||||
|
||||
tree
|
||||
objc_message_selector (void)
|
||||
{
|
||||
|
|
@ -257,21 +263,22 @@ objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier))
|
|||
}
|
||||
|
||||
tree
|
||||
objc_get_class_ivars (tree ARG_UNUSED (class_name))
|
||||
objc_get_class_ivars (tree ARG_UNUSED (name))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
tree
|
||||
objc_build_throw_stmt (tree ARG_UNUSED (throw_expr))
|
||||
objc_build_throw_stmt (tree ARG_UNUSED (expr))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
tree
|
||||
objc_build_synchronized (location_t ARG_UNUSED (start_locus),
|
||||
tree ARG_UNUSED (mutex), tree ARG_UNUSED (body))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -295,7 +302,16 @@ objc_build_finally_clause (location_t ARG_UNUSED (finally_locus),
|
|||
{
|
||||
}
|
||||
|
||||
void
|
||||
tree
|
||||
objc_finish_try_stmt (void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
tree
|
||||
objc_generate_write_barrier (tree ARG_UNUSED (lhs),
|
||||
enum tree_code ARG_UNUSED (modifycode),
|
||||
tree ARG_UNUSED (rhs))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue