implement method attributes.
gcc/c-family: merge from FSF apple 'trunk' branch. 2006-04-26 Fariborz Jahanian <fjahanian@apple.com> Radar 3803157 (method attributes) * c-common.c (handle_deprecated_attribute): Recognize objc methods as valid declarations. * c-common.h: Declare objc_method_decl (). * stub-objc.c (objc_method_decl): New stub. gcc/objc: merge from FSF apple 'trunk' branch. 2006-04-26 Fariborz Jahanian <fjahanian@apple.com> Radar 3803157 (method attributes) * objc/objc-act.h (METHOD_TYPE_ATTRIBUTES): New macro. * objc/objc-act.c (objc_decl_method_attributes): New. (objc_add_method_declaration): Process method's attribute. (objc_start_method_definition): Ditto. (build_objc_method_call): Inject method attribute into built function type. (objc_method_decl): New. (objc_warn_deprecated)use): New. testsuite: * objc.dg/attributes/method-attribute-1.m: Update to respond to implemented method attributes.. * objc.dg/attributes/method-attribute-2.m: Likewise. * objc.dg/attributes/method-attribute-3.m: Likewise. * obj-c++.dg/attributes/method-attribute-1.mm: Likewise. * obj-c++.dg/attributes/method-attribute-2.mm: Likewise. * obj-c++.dg/attributes/method-attribute-3.mm: Likewise. From-SVN: r165415
This commit is contained in:
Iain Sandoe
parent
5254c66ba0
commit
a1178b309a
14 changed files with 166 additions and 61 deletions
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@ -1,3 +1,14 @@
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2010-10-13 Iain Sandoe <iains@gcc.gnu.org>
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merge from FSF apple 'trunk' branch.
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2006-04-26 Fariborz Jahanian <fjahanian@apple.com>
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Radar 3803157 (method attributes)
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* c-common.c (handle_deprecated_attribute): Recognize
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objc methods as valid declarations.
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* c-common.h: Declare objc_method_decl ().
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* stub-objc.c (objc_method_decl): New stub.
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2010-10-08 Joseph Myers <joseph@codesourcery.com>
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* c-common.c (parse_optimize_options): Call
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@ -7189,7 +7189,8 @@ handle_deprecated_attribute (tree *node, tree name,
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|| TREE_CODE (decl) == PARM_DECL
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|| TREE_CODE (decl) == VAR_DECL
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|| TREE_CODE (decl) == FUNCTION_DECL
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|| TREE_CODE (decl) == FIELD_DECL)
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|| TREE_CODE (decl) == FIELD_DECL
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|| objc_method_decl (TREE_CODE (decl)))
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TREE_DEPRECATED (decl) = 1;
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else
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warn = 1;
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@ -1009,6 +1009,7 @@ 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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extern void objc_set_method_opt (bool);
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extern void objc_finish_foreach_loop (location_t, tree, tree, tree, tree, tree);
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extern bool objc_method_decl (enum tree_code);
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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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@ -217,6 +217,12 @@ objc_finish_method_definition (tree ARG_UNUSED (fndecl))
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{
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}
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bool
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objc_method_decl (enum tree_code ARG_UNUSED(opcode))
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{
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return false;
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}
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tree
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objc_build_keyword_decl (tree ARG_UNUSED (selector),
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tree ARG_UNUSED (type),
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@ -1,3 +1,18 @@
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2010-10-13 Iain Sandoe <iains@gcc.gnu.org>
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merge from FSF apple 'trunk' branch.
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2006-04-26 Fariborz Jahanian <fjahanian@apple.com>
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Radar 3803157 (method attributes)
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* objc/objc-act.h (METHOD_TYPE_ATTRIBUTES): New macro.
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* objc/objc-act.c (objc_decl_method_attributes): New.
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(objc_add_method_declaration): Process method's attribute.
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(objc_start_method_definition): Ditto.
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(build_objc_method_call): Inject method attribute into
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built function type.
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(objc_method_decl): New.
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(objc_warn_deprecated)use): New.
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2010-10-07 Andi Kleen <ak@linux.intel.com>
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* Make-lang.in (cc1obj-dummy): Remove.
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@ -52,6 +52,9 @@ along with GCC; see the file COPYING3. If not see
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#include "hashtab.h"
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#include "langhooks-def.h"
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/* For default_tree_printer (). */
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#include "tree-pretty-print.h"
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/* For enum gimplify_status */
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#include "gimple.h"
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@ -177,6 +180,9 @@ static void build_fast_enumeration_state_template (void);
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static void objc_generate_cxx_cdtors (void);
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#endif
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/* objc attribute */
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static void objc_decl_method_attributes (tree*, tree, int);
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static tree build_keyword_selector (tree);
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static const char *synth_id_with_class_suffix (const char *, tree);
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/* Hash tables to manage the global pool of method prototypes. */
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@ -215,6 +221,7 @@ static void really_start_method (tree, tree);
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static void really_start_method (tree, struct c_arg_info *);
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#endif
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static int comp_proto_with_proto (tree, tree, int);
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static tree get_arg_type_list (tree, int, int);
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static tree objc_decay_parm_type (tree);
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static void objc_push_parm (tree);
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#ifdef OBJCPLUS
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@ -511,6 +518,30 @@ generate_struct_by_value_array (void)
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exit (0);
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}
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/* FIXME: We need to intercept calls to warn_deprecated_use, since that
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ultimately calls warning () with a "qD" formatter for decls. The 'D'
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formatter does not handle ObjC-specific decls (in ObjC++). For now, we
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interpose a switch to the default handler which simply prints the decl
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identifier.
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Eventually, we should handle this within the objc{,p}/ code. */
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static void
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objc_warn_deprecated_use (tree depitem, tree attr)
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{
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if (DECL_P (depitem))
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{
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static bool (*sav_printer) (pretty_printer *, text_info *, const char *,
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int, bool, bool, bool) = NULL ;
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if (sav_printer == NULL)
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sav_printer = diagnostic_format_decoder (global_dc) ;
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diagnostic_format_decoder (global_dc) = &default_tree_printer;
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warn_deprecated_use (depitem, attr);
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diagnostic_format_decoder (global_dc) = sav_printer;
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}
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else
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warn_deprecated_use (depitem, attr);
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}
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bool
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objc_init (void)
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{
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@ -804,11 +835,7 @@ objc_add_method_declaration (tree decl, tree attributes)
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fatal_error ("method declaration not in @interface context");
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}
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if (attributes)
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warning_at (input_location, OPT_Wattributes,
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"method attributes are not available in this version"
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" of the compiler, (ignored)");
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objc_decl_method_attributes (&decl, attributes, 0);
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objc_add_method (objc_interface_context,
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decl,
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objc_inherit_code == CLASS_METHOD_DECL,
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@ -830,11 +857,6 @@ objc_start_method_definition (tree decl, tree attributes)
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if (decl != NULL_TREE && METHOD_SEL_NAME (decl) == error_mark_node)
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return false;
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if (attributes)
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warning_at (input_location, OPT_Wattributes,
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"method attributes are not available in this version"
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" of the compiler, (ignored)");
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#ifndef OBJCPLUS
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/* Indicate no valid break/continue context by setting these variables
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to some non-null, non-label value. We'll notice and emit the proper
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@ -842,6 +864,7 @@ objc_start_method_definition (tree decl, tree attributes)
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c_break_label = c_cont_label = size_zero_node;
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#endif
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objc_decl_method_attributes (&decl, attributes, 0);
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objc_add_method (objc_implementation_context,
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decl,
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objc_inherit_code == CLASS_METHOD_DECL,
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@ -6154,6 +6177,32 @@ build_method_decl (enum tree_code code, tree ret_type, tree selector,
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#define METHOD_DEF 0
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#define METHOD_REF 1
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/* This routine processes objective-c method attributes. */
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static void
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objc_decl_method_attributes (tree *node, tree attributes, int flags)
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{
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tree sentinel_attr = lookup_attribute ("sentinel", attributes);
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if (sentinel_attr)
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{
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/* hackery to make an obj method look like a function type. */
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tree rettype = TREE_TYPE (*node);
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TREE_TYPE (*node) = build_function_type (TREE_VALUE (rettype),
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get_arg_type_list (*node, METHOD_REF, 0));
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decl_attributes (node, attributes, flags);
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METHOD_TYPE_ATTRIBUTES (*node) = TYPE_ATTRIBUTES (TREE_TYPE (*node));
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TREE_TYPE (*node) = rettype;
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}
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else
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decl_attributes (node, attributes, flags);
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}
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bool
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objc_method_decl (enum tree_code opcode)
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{
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return opcode == INSTANCE_METHOD_DECL || opcode == CLASS_METHOD_DECL;
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}
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/* Used by `build_objc_method_call' and `comp_proto_with_proto'. Return
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an argument list for method METH. CONTEXT is either METHOD_DEF or
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METHOD_REF, saying whether we are trying to define a method or call
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@ -6699,14 +6748,22 @@ build_objc_method_call (location_t loc, int super_flag, tree method_prototype,
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= (method_prototype
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? TREE_VALUE (TREE_TYPE (method_prototype))
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: objc_object_type);
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tree sender_cast
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= build_pointer_type
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(build_function_type
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(ret_type,
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get_arg_type_list
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(method_prototype, METHOD_REF, super_flag)));
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tree method_param_types =
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get_arg_type_list (method_prototype, METHOD_REF, super_flag);
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tree ftype = build_function_type (ret_type, method_param_types);
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tree sender_cast;
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tree method, t;
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if (method_prototype && METHOD_TYPE_ATTRIBUTES (method_prototype))
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ftype = build_type_attribute_variant (
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ftype, METHOD_TYPE_ATTRIBUTES (method_prototype));
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sender_cast = build_pointer_type (ftype);
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if (method_prototype && TREE_DEPRECATED (method_prototype))
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objc_warn_deprecated_use (method_prototype, NULL_TREE);
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lookup_object = build_c_cast (loc, rcv_p, lookup_object);
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/* Use SAVE_EXPR to avoid evaluating the receiver twice. */
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@ -52,6 +52,7 @@ tree objc_eh_personality (void);
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#define METHOD_ADD_ARGS_ELLIPSIS_P(DECL) ((DECL)->decl_common.lang_flag_0)
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#define METHOD_DEFINITION(DECL) ((DECL)->decl_common.initial)
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#define METHOD_ENCODING(DECL) ((DECL)->decl_minimal.context)
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#define METHOD_TYPE_ATTRIBUTES(DECL) ((DECL)->decl_common.abstract_origin)
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/* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
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CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
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@ -1,3 +1,13 @@
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2010-10-13 Iain Sandoe <iains@gcc.gnu.org>
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* objc.dg/attributes/method-attribute-1.m: Update to respond
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to implemented method attributes..
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* objc.dg/attributes/method-attribute-2.m: Likewise.
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* objc.dg/attributes/method-attribute-3.m: Likewise.
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* obj-c++.dg/attributes/method-attribute-1.mm: Likewise.
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* obj-c++.dg/attributes/method-attribute-2.mm: Likewise.
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* obj-c++.dg/attributes/method-attribute-3.mm: Likewise.
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2010-10-13 Nicola Pero <nicola.pero@meta-innovation.com>
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PR libobjc/23214
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@ -8,13 +8,12 @@
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int var;
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}
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- (int) mth;
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+ (id) dep_cls_mth __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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- (int) dep_ins_mth __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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- (int) dep_ins_mtharg: (int) i __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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+ (id) dep_cls_mth __attribute__((deprecated)) ;
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- (int) dep_ins_mth __attribute__((deprecated)) ;
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- (int) dep_ins_mtharg: (int) i __attribute__((deprecated)) ;
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- (int) dep_ins_mtharg1: (int) i __attribute__((deprecated)) add: (int) j;/* { dg-error "method attributes must be specified at the end " } */
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- (int) nodef __attribute__((deprecated)) { return var-2; } ; /* { dg-error "expected ';' before '\{' token" } */
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/* { dg-warning "method attributes are not available in this version" "" { target *-*-* } 15 } */
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__attribute__((deprecated))
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__attribute__((deprecated))
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- (int) bad_pref_mth; /* { dg-warning "prefix attributes are ignored for methods" } */
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@end
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@ -31,11 +30,11 @@ __attribute__((deprecated))
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int foo (void)
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{
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obj *p = [obj new];
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id n = [obj dep_cls_mth];
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id n = [obj dep_cls_mth]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mth];
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[p dep_ins_mtharg:2];
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[p dep_ins_mth]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mtharg:2]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mtharg1:3 add:3];
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return [p mth];
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return [p mth];
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}
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@ -7,25 +7,27 @@
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@public
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int var;
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}
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- (int) depmtharg:(int) iarg __attribute__((deprecated)); /* { dg-warning "method attributes are not available in this version" } */
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- (int) unusedarg:(int) __attribute__((unused)) uarg ; /* { dg-warning "method parameter attributes are not available in this version" } */
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- (int) depunusedarg:(int) __attribute__((unused)) uarg __attribute__((deprecated)) ; /* { dg-warning "method attributes are not available in this version" } */
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/* { dg-warning "method parameter attributes are not available in this version" "" { target *-*-* } 12 } */
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- (int) depmth __attribute__((deprecated));
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- (int) depmtharg:(int) iarg __attribute__((deprecated));
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- (int) unusedarg:(int) __attribute__((unused)) uarg ; /* { dg-warning "method parameter attributes are not available in this version" } */
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- (int) depunusedarg:(int) __attribute__((unused)) uarg __attribute__((deprecated)) ; /* { dg-warning "method parameter attributes are not available in this version" } */
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@end
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@implementation obj
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- (int) depmtharg:(int) iarg { return var + iarg ; };
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- (int) unusedarg:(int) __attribute__((unused)) uarg { return var; } ; /* { dg-warning "method parameter attributes are not available in this version" } */
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- (int) depunusedarg:(int) __attribute__((unused)) uarg { return var; }; /* { dg-warning "method parameter attributes are not available in this version" } */
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- (int) depmth __attribute__((deprecated)) { return var; }
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- (int) depmtharg:(int) iarg { return var + iarg ; }
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- (int) unusedarg:(int) __attribute__((unused)) uarg { return var; } /* { dg-warning "method parameter attributes are not available in this version" } */
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- (int) depunusedarg:(int) __attribute__((unused)) uarg { return var; } /* { dg-warning "method parameter attributes are not available in this version" } */
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@end
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int foo (void)
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{
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obj *p = [obj new];
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[p depmtharg:1];
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[p unusedarg:2];
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[p depunusedarg:3 ];
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[p depmth]; /* { dg-warning "is deprecated" } */
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[p depmtharg:1]; /* { dg-warning "is deprecated" } */
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[p unusedarg:2]; /* { dg-bogus "is deprecated" } */
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[p depunusedarg:3 ]; /* { dg-warning "is deprecated" } */
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return [p depmtharg:0];
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return [p depmtharg:0]; /* { dg-warning "is deprecated" } */
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}
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@ -6,7 +6,7 @@
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@public
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int var;
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}
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- (int) vargsn: (int) count, ... __attribute__((deprecated)); /* { dg-warning " method attributes are not available in this version of the compiler" } */
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- (int) vargsn: (int) count, ... __attribute__((deprecated));
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@end
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@implementation obj
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@ -20,5 +20,5 @@ int foo (void)
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{
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obj *p = [obj new];
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return [p vargsn:0];
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return [p vargsn:0]; /* { dg-warning "'vargsn:' is deprecated .declared at" } */
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}
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@ -8,9 +8,9 @@
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int var;
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}
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- (int) mth;
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+ (id) dep_cls_mth __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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- (int) dep_ins_mth __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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- (int) dep_ins_mtharg: (int) i __attribute__((deprecated)) ;/* { dg-warning "method attributes are not available in this version" } */
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+ (id) dep_cls_mth __attribute__((deprecated)) ;
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- (int) dep_ins_mth __attribute__((deprecated)) ;
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- (int) dep_ins_mtharg: (int) i __attribute__((deprecated)) ;
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- (int) dep_ins_mtharg1: (int) i __attribute__((deprecated)) add: (int) j;/* { dg-error "expected ';' or '\{' after method attribute definition" } */
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- (int) nodef __attribute__((deprecated)) { return var-2; } ; /* { dg-error "expected ';' before '\{' token" } */
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__attribute__((deprecated))
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@ -30,11 +30,11 @@ __attribute__((deprecated))
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int foo (void)
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{
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obj *p = [obj new];
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id n = [obj dep_cls_mth];
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id n = [obj dep_cls_mth]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mth];
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[p dep_ins_mtharg:2];
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[p dep_ins_mth]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mtharg:2]; /* { dg-warning "is deprecated" } */
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[p dep_ins_mtharg1:3 add:3];
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||||
|
||||
return [p mth];
|
||||
|
||||
return [p mth];
|
||||
}
|
||||
|
|
|
|||
|
|
@ -7,25 +7,27 @@
|
|||
@public
|
||||
int var;
|
||||
}
|
||||
- (int) depmtharg:(int) iarg __attribute__((deprecated)); /* { dg-warning "method attributes are not available in this version" } */
|
||||
- (int) unusedarg:(int) __attribute__((unused)) uarg ; /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
- (int) depunusedarg:(int) __attribute__((unused)) uarg __attribute__((deprecated)) ; /* { dg-warning "method attributes are not available in this version" } */
|
||||
/* { dg-warning "method parameter attributes are not available in this version" "" { target *-*-* } 12 } */
|
||||
- (int) depmth __attribute__((deprecated));
|
||||
- (int) depmtharg:(int) iarg __attribute__((deprecated));
|
||||
- (int) unusedarg:(int) __attribute__((unused)) uarg ; /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
- (int) depunusedarg:(int) __attribute__((unused)) uarg __attribute__((deprecated)) ; /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
@end
|
||||
|
||||
@implementation obj
|
||||
- (int) depmtharg:(int) iarg { return var + iarg ; };
|
||||
- (int) unusedarg:(int) __attribute__((unused)) uarg { return var; } ; /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
- (int) depunusedarg:(int) __attribute__((unused)) uarg { return var; }; /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
- (int) depmth __attribute__((deprecated)) { return var; }
|
||||
- (int) depmtharg:(int) iarg { return var + iarg ; }
|
||||
- (int) unusedarg:(int) __attribute__((unused)) uarg { return var; } /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
- (int) depunusedarg:(int) __attribute__((unused)) uarg { return var; } /* { dg-warning "method parameter attributes are not available in this version" } */
|
||||
@end
|
||||
|
||||
int foo (void)
|
||||
{
|
||||
obj *p = [obj new];
|
||||
|
||||
[p depmtharg:1];
|
||||
[p unusedarg:2];
|
||||
[p depunusedarg:3 ];
|
||||
[p depmth]; /* { dg-warning "is deprecated" } */
|
||||
[p depmtharg:1]; /* { dg-warning "is deprecated" } */
|
||||
[p unusedarg:2]; /* { dg-bogus "is deprecated" } */
|
||||
[p depunusedarg:3 ]; /* { dg-warning "is deprecated" } */
|
||||
|
||||
return [p depmtharg:0];
|
||||
return [p depmtharg:0]; /* { dg-warning "is deprecated" } */
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@
|
|||
@public
|
||||
int var;
|
||||
}
|
||||
- (int) vargsn: (int) count, ... __attribute__((deprecated)); /* { dg-warning " method attributes are not available in this version of the compiler" } */
|
||||
- (int) vargsn: (int) count, ... __attribute__((deprecated));
|
||||
@end
|
||||
|
||||
@implementation obj
|
||||
|
|
@ -20,5 +20,5 @@ int foo (void)
|
|||
{
|
||||
obj *p = [obj new];
|
||||
|
||||
return [p vargsn:0];
|
||||
return [p vargsn:0]; /* { dg-warning "'vargsn:' is deprecated .declared at " } */
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue