/* Declarations for objc-act.c.
- Copyright (C) 1990, 2000, 2001, 2002, 2003
+ Copyright (C) 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
#ifndef GCC_OBJC_ACT_H
#define GCC_OBJC_ACT_H
-/*** Public Interface (procedures) ***/
+/* For enum gimplify_status */
+#include "gimple.h"
+
+/*** Language hooks ***/
bool objc_init (void);
const char *objc_printable_name (tree, int);
+void objc_finish_file (void);
+tree objc_fold_obj_type_ref (tree, tree);
+enum gimplify_status objc_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
-/* used by yyparse */
-
-void finish_file (void);
-tree start_class (enum tree_code, tree, tree, tree);
-tree continue_class (tree);
-void finish_class (tree);
-void start_method_def (tree);
-void continue_method_def (void);
-void finish_method_def (void);
-tree start_protocol (enum tree_code, tree, tree);
-void finish_protocol (tree);
-
-tree objc_build_throw_stmt (tree);
-tree objc_build_try_catch_finally_stmt (int, int);
-void objc_build_synchronized_prologue (tree);
-tree objc_build_synchronized_epilogue (void);
-tree objc_build_try_prologue (void);
-void objc_build_try_epilogue (int);
-void objc_build_catch_stmt (tree);
-void objc_build_catch_epilogue (void);
-tree objc_build_finally_prologue (void);
-tree objc_build_finally_epilogue (void);
-
-tree is_ivar (tree, tree);
-int is_private (tree);
-int is_public (tree, tree);
-tree add_instance_variable (tree, int, tree, tree, tree);
-tree objc_add_method (tree, tree, int);
-tree get_super_receiver (void);
-void objc_clear_super_receiver (void);
-tree get_class_ivars_from_name (tree);
-tree get_class_reference (tree);
-tree get_static_reference (tree, tree);
-tree get_object_reference (tree);
-tree build_message_expr (tree);
-tree finish_message_expr (tree, tree, tree);
-tree build_selector_expr (tree);
-tree build_ivar_reference (tree);
-tree build_keyword_decl (tree, tree, tree);
-tree build_method_decl (enum tree_code, tree, tree, tree);
-tree build_protocol_expr (tree);
-tree build_objc_string_object (tree);
-
-void objc_declare_alias (tree, tree);
-void objc_declare_class (tree);
-void objc_declare_protocols (tree);
-
-/* the following routines are used to implement statically typed objects */
-
-int objc_comptypes (tree, tree, int);
-void objc_check_decl (tree);
-
-/* NeXT extensions */
-
-tree build_encode_expr (tree);
+/* NB: The remaining public functions are prototyped in c-common.h, for the
+ benefit of stub-objc.c and objc-act.c. */
/* Objective-C structures */
-#define CLASS_BINFO_ELTS 6
-#define PROTOCOL_BINFO_ELTS 2
+#define CLASS_LANG_SLOT_ELTS 5
+#define PROTOCOL_LANG_SLOT_ELTS 2
+#define OBJC_INFO_SLOT_ELTS 2
/* KEYWORD_DECL */
-#define KEYWORD_KEY_NAME(DECL) ((DECL)->decl.name)
-#define KEYWORD_ARG_NAME(DECL) ((DECL)->decl.arguments)
+#define KEYWORD_KEY_NAME(DECL) ((DECL)->decl_minimal.name)
+#define KEYWORD_ARG_NAME(DECL) ((DECL)->decl_non_common.arguments)
/* INSTANCE_METHOD_DECL, CLASS_METHOD_DECL */
-#define METHOD_SEL_NAME(DECL) ((DECL)->decl.name)
-#define METHOD_SEL_ARGS(DECL) ((DECL)->decl.arguments)
-#define METHOD_ADD_ARGS(DECL) ((DECL)->decl.result)
-#define METHOD_DEFINITION(DECL) ((DECL)->decl.initial)
-#define METHOD_ENCODING(DECL) ((DECL)->decl.context)
+#define METHOD_SEL_NAME(DECL) ((DECL)->decl_minimal.name)
+#define METHOD_SEL_ARGS(DECL) ((DECL)->decl_non_common.arguments)
+#define METHOD_ADD_ARGS(DECL) ((DECL)->decl_non_common.result)
+#define METHOD_ADD_ARGS_ELLIPSIS_P(DECL) ((DECL)->decl_common.lang_flag_0)
+#define METHOD_DEFINITION(DECL) ((DECL)->decl_common.initial)
+#define METHOD_ENCODING(DECL) ((DECL)->decl_minimal.context)
/* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
PROTOCOL_INTERFACE_TYPE */
#define CLASS_NAME(CLASS) ((CLASS)->type.name)
#define CLASS_SUPER_NAME(CLASS) (TYPE_CHECK (CLASS)->type.context)
-#define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 0)
-#define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 1)
+#define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
+#define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
#define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
#define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
-#define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 2)
-#define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 3)
-#define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 4)
-#define CLASS_OWN_IVARS(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 5)
+#define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
+#define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
+#define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
#define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
-#define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 0)
+#define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
#define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
#define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
-#define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 1)
+#define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
#define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
-/* We need to distinguish TYPE_PROTOCOL_LISTs from TYPE_CONTEXTs, both of which
- are stored in the same accessor slot. */
-#define TYPE_PROTOCOL_LIST(TYPE) \
- ((TYPE_CHECK (TYPE)->type.context \
- && TREE_CODE ((TYPE)->type.context) == TREE_LIST) \
- ? (TYPE)->type.context : NULL_TREE)
-#define SET_TYPE_PROTOCOL_LIST(TYPE, P) (TYPE_CHECK (TYPE)->type.context = (P))
-
-/* Set by `continue_class' and checked by `is_public'. */
-
-#define TREE_STATIC_TEMPLATE(record_type) (TREE_PUBLIC (record_type))
-#define TYPED_OBJECT(type) \
- (TREE_CODE (type) == RECORD_TYPE && TREE_STATIC_TEMPLATE (type))
-#define OBJC_TYPE_NAME(type) TYPE_NAME(type)
-
-/* Define the Objective-C or Objective-C++ language-specific tree codes. */
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
-enum objc_tree_code {
-#if defined (GCC_CP_TREE_H)
- LAST_BASE_TREE_CODE = LAST_CPLUS_TREE_CODE,
-#else
-#if defined (GCC_C_TREE_H)
- LAST_BASE_TREE_CODE = LAST_C_TREE_CODE,
-#else
- #error You must include <c-tree.h> or <cp/cp-tree.h> before <objc/objc-act.h>
-#endif
-#endif
-#include "objc-tree.def"
- LAST_OBJC_TREE_CODE
-};
-#undef DEFTREECODE
+
+/* ObjC-specific information pertaining to RECORD_TYPEs are stored in
+ the LANG_SPECIFIC structures, which may itself need allocating first. */
+
+/* The following three macros must be overridden (in objcp/objcp-decl.h)
+ for Objective-C++. */
+#define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
+#define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
+#define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE) \
+ do { \
+ TYPE_LANG_SPECIFIC (NODE) = GGC_CNEW (struct lang_type); \
+ } while (0)
+
+#define TYPE_HAS_OBJC_INFO(TYPE) \
+ (TYPE_LANG_SPECIFIC (TYPE) && TYPE_OBJC_INFO (TYPE))
+#define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
+#define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
+
+
+#define INIT_TYPE_OBJC_INFO(TYPE) \
+ do \
+ { \
+ if (!TYPE_LANG_SPECIFIC (TYPE)) \
+ ALLOC_OBJC_TYPE_LANG_SPECIFIC(TYPE); \
+ if (!TYPE_OBJC_INFO (TYPE)) \
+ TYPE_OBJC_INFO (TYPE) \
+ = make_tree_vec (OBJC_INFO_SLOT_ELTS); \
+ } \
+ while (0)
+#define DUP_TYPE_OBJC_INFO(DST, SRC) \
+ do \
+ { \
+ ALLOC_OBJC_TYPE_LANG_SPECIFIC(DST); \
+ if (TYPE_LANG_SPECIFIC (SRC)) \
+ memcpy (TYPE_LANG_SPECIFIC (DST), \
+ TYPE_LANG_SPECIFIC (SRC), \
+ SIZEOF_OBJC_TYPE_LANG_SPECIFIC); \
+ TYPE_OBJC_INFO (DST) \
+ = make_tree_vec (OBJC_INFO_SLOT_ELTS); \
+ } \
+ while (0)
+
+#define TYPED_OBJECT(TYPE) \
+ (TREE_CODE (TYPE) == RECORD_TYPE \
+ && TYPE_HAS_OBJC_INFO (TYPE) \
+ && TYPE_OBJC_INTERFACE (TYPE))
+#define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
+#define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
/* Hash tables to manage the global pool of method prototypes. */
typedef struct hashed_entry *hash;
typedef struct hashed_attribute *attr;
-struct hashed_attribute GTY(())
-{
+struct GTY(()) hashed_attribute {
attr next;
tree value;
};
-struct hashed_entry GTY(())
-{
+struct GTY(()) hashed_entry {
attr list;
hash next;
tree key;
/* Objective-C/Objective-C++ @implementation list. */
-struct imp_entry GTY(())
-{
+struct GTY(()) imp_entry {
struct imp_entry *next;
tree imp_context;
tree imp_template;
tree class_decl; /* _OBJC_CLASS_<my_name>; */
tree meta_decl; /* _OBJC_METACLASS_<my_name>; */
+ BOOL_BITFIELD has_cxx_cdtors : 1;
};
extern GTY(()) struct imp_entry *imp_list;
-extern int imp_count; /* `@implementation' */
-extern int cat_count; /* `@category' */
+extern GTY(()) int imp_count; /* `@implementation' */
+extern GTY(()) int cat_count; /* `@category' */
+
+extern GTY(()) enum tree_code objc_inherit_code;
+extern GTY(()) int objc_public_flag;
/* Objective-C/Objective-C++ global tree enumeration. */
OCTI_STATIC_NST_DECL,
OCTI_SELF_ID,
OCTI_UCMD_ID,
- OCTI_UNUSED_LIST,
- OCTI_ELLIPSIS_NODE,
OCTI_SELF_DECL,
OCTI_UMSG_DECL,
+ OCTI_UMSG_FAST_DECL,
OCTI_UMSG_SUPER_DECL,
OCTI_UMSG_STRET_DECL,
OCTI_UMSG_SUPER_STRET_DECL,
OCTI_MCLS_DECL,
OCTI_SEL_TABLE_DECL,
OCTI_MODULES_DECL,
+ OCTI_GNU_INIT_DECL,
OCTI_INTF_CTX,
OCTI_IMPL_CTX,
OCTI_UUCLS_SUPER_REF,
OCTI_METH_TEMPL,
OCTI_IVAR_TEMPL,
+ OCTI_METH_LIST_TEMPL,
+ OCTI_METH_PROTO_LIST_TEMPL,
+ OCTI_IVAR_LIST_TEMPL,
OCTI_SYMTAB_TEMPL,
OCTI_MODULE_TEMPL,
OCTI_SUPER_TEMPL,
OCTI_OBJ_REF,
+ OCTI_CLS_REF,
OCTI_METH_PROTO_TEMPL,
OCTI_FUNCTION1_TEMPL,
OCTI_FUNCTION2_TEMPL,
OCTI_OBJ_ID,
OCTI_CLS_ID,
- OCTI_ID_ID,
+ OCTI_ID_NAME,
+ OCTI_CLASS_NAME,
OCTI_CNST_STR_ID,
OCTI_CNST_STR_TYPE,
OCTI_CNST_STR_GLOB_ID,
OCTI_STRING_CLASS_DECL,
+ OCTI_INTERNAL_CNST_STR_TYPE,
OCTI_SUPER_DECL,
OCTI_UMSG_NONNIL_DECL,
OCTI_UMSG_NONNIL_STRET_DECL,
OCTI_LOCAL_EXCEPTION_DECL,
OCTI_RETHROW_EXCEPTION_DECL,
OCTI_EVAL_ONCE_DECL,
- OCTI_EXCEPTION_BLK_STACK,
OCTI_CATCH_TYPE,
+ OCTI_EXECCLASS_DECL,
+
+ OCTI_ASSIGN_IVAR_DECL,
+ OCTI_ASSIGN_IVAR_FAST_DECL,
+ OCTI_ASSIGN_GLOBAL_DECL,
+ OCTI_ASSIGN_STRONGCAST_DECL,
OCTI_MAX
};
#define self_id objc_global_trees[OCTI_SELF_ID]
#define ucmd_id objc_global_trees[OCTI_UCMD_ID]
-#define unused_list objc_global_trees[OCTI_UNUSED_LIST]
-#define objc_ellipsis_node objc_global_trees[OCTI_ELLIPSIS_NODE]
#define self_decl objc_global_trees[OCTI_SELF_DECL]
#define umsg_decl objc_global_trees[OCTI_UMSG_DECL]
+#define umsg_fast_decl objc_global_trees[OCTI_UMSG_FAST_DECL]
#define umsg_super_decl objc_global_trees[OCTI_UMSG_SUPER_DECL]
#define umsg_stret_decl objc_global_trees[OCTI_UMSG_STRET_DECL]
#define umsg_super_stret_decl objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
#define objc_get_meta_class_decl \
objc_global_trees[OCTI_GET_MCLASS_DECL]
-#define super_type objc_global_trees[OCTI_SUPER_TYPE]
-#define selector_type objc_global_trees[OCTI_SEL_TYPE]
-#define id_type objc_global_trees[OCTI_ID_TYPE]
+#define objc_super_type objc_global_trees[OCTI_SUPER_TYPE]
+#define objc_selector_type objc_global_trees[OCTI_SEL_TYPE]
+#define objc_object_type objc_global_trees[OCTI_ID_TYPE]
#define objc_class_type objc_global_trees[OCTI_CLS_TYPE]
-#define instance_type objc_global_trees[OCTI_NST_TYPE]
-#define protocol_type objc_global_trees[OCTI_PROTO_TYPE]
+#define objc_instance_type objc_global_trees[OCTI_NST_TYPE]
+#define objc_protocol_type objc_global_trees[OCTI_PROTO_TYPE]
/* Type checking macros. */
-#define IS_ID(TYPE) \
- (TYPE_MAIN_VARIANT (TYPE) == TYPE_MAIN_VARIANT (id_type))
-#define IS_PROTOCOL_QUALIFIED_ID(TYPE) \
- (IS_ID (TYPE) && TYPE_PROTOCOL_LIST (TYPE))
-#define IS_SUPER(TYPE) \
- (TREE_CODE (TYPE) == POINTER_TYPE && TREE_TYPE (TYPE) == objc_super_template)
+#define IS_ID(TYPE) \
+ (TREE_CODE (TYPE) == POINTER_TYPE \
+ && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE)) \
+ == TREE_TYPE (objc_object_type)))
+#define IS_CLASS(TYPE) \
+ (TREE_CODE (TYPE) == POINTER_TYPE \
+ && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE)) \
+ == TREE_TYPE (objc_class_type)))
+#define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE) \
+ ((IS_ID (TYPE) || IS_CLASS (TYPE)) \
+ && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE)) \
+ && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
+#define IS_SUPER(TYPE) \
+ (TREE_CODE (TYPE) == POINTER_TYPE \
+ && TREE_TYPE (TYPE) == objc_super_template)
#define class_chain objc_global_trees[OCTI_CLS_CHAIN]
#define alias_chain objc_global_trees[OCTI_ALIAS_CHAIN]
#define UOBJC_METACLASS_decl objc_global_trees[OCTI_MCLS_DECL]
#define UOBJC_SELECTOR_TABLE_decl objc_global_trees[OCTI_SEL_TABLE_DECL]
#define UOBJC_MODULES_decl objc_global_trees[OCTI_MODULES_DECL]
+#define GNU_INIT_decl objc_global_trees[OCTI_GNU_INIT_DECL]
/* The following are used when compiling a class implementation.
implementation_template will normally be an interface, however if
#define objc_caught_exception objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
#define objc_rethrow_exception objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
#define objc_eval_once objc_global_trees[OCTI_EVAL_ONCE_DECL]
-#define objc_exception_block_stack \
- objc_global_trees[OCTI_EXCEPTION_BLK_STACK]
#define objc_catch_type objc_global_trees[OCTI_CATCH_TYPE]
+#define execclass_decl objc_global_trees[OCTI_EXECCLASS_DECL]
+
+#define objc_assign_ivar_decl objc_global_trees[OCTI_ASSIGN_IVAR_DECL]
+#define objc_assign_ivar_fast_decl \
+ objc_global_trees[OCTI_ASSIGN_IVAR_FAST_DECL]
+#define objc_assign_global_decl objc_global_trees[OCTI_ASSIGN_GLOBAL_DECL]
+#define objc_assign_strong_cast_decl \
+ objc_global_trees[OCTI_ASSIGN_STRONGCAST_DECL]
+
#define objc_method_template objc_global_trees[OCTI_METH_TEMPL]
#define objc_ivar_template objc_global_trees[OCTI_IVAR_TEMPL]
+#define objc_method_list_ptr objc_global_trees[OCTI_METH_LIST_TEMPL]
+#define objc_method_proto_list_ptr \
+ objc_global_trees[OCTI_METH_PROTO_LIST_TEMPL]
+#define objc_ivar_list_ptr objc_global_trees[OCTI_IVAR_LIST_TEMPL]
#define objc_symtab_template objc_global_trees[OCTI_SYMTAB_TEMPL]
#define objc_module_template objc_global_trees[OCTI_MODULE_TEMPL]
#define objc_super_template objc_global_trees[OCTI_SUPER_TEMPL]
#define objc_object_reference objc_global_trees[OCTI_OBJ_REF]
+#define objc_class_reference objc_global_trees[OCTI_CLS_REF]
#define objc_method_prototype_template \
objc_global_trees[OCTI_METH_PROTO_TEMPL]
#define function1_template objc_global_trees[OCTI_FUNCTION1_TEMPL]
#define objc_object_id objc_global_trees[OCTI_OBJ_ID]
#define objc_class_id objc_global_trees[OCTI_CLS_ID]
-#define objc_id_id objc_global_trees[OCTI_ID_ID]
+#define objc_object_name objc_global_trees[OCTI_ID_NAME]
+#define objc_class_name objc_global_trees[OCTI_CLASS_NAME]
#define constant_string_id objc_global_trees[OCTI_CNST_STR_ID]
#define constant_string_type objc_global_trees[OCTI_CNST_STR_TYPE]
#define constant_string_global_id \
objc_global_trees[OCTI_CNST_STR_GLOB_ID]
#define string_class_decl objc_global_trees[OCTI_STRING_CLASS_DECL]
+#define internal_const_str_type objc_global_trees[OCTI_INTERNAL_CNST_STR_TYPE]
#define UOBJC_SUPER_decl objc_global_trees[OCTI_SUPER_DECL]
#endif /* GCC_OBJC_ACT_H */
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