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freebsd/contrib/gcc/objc/objc-act.h
Alexander Kabaev 6b834ef156 GCC 4.2.0 release.
2007-05-19 01:19:51 +00:00

458 lines
16 KiB
C
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/* Declarations for objc-act.c.
Copyright (C) 1990, 2000, 2001, 2002, 2003, 2004, 2005
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)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef GCC_OBJC_ACT_H
#define GCC_OBJC_ACT_H
/* For enum gimplify_status */
#include "tree-gimple.h"
/*** Language hooks ***/
bool objc_init (void);
const char *objc_printable_name (tree, int);
tree objc_get_callee_fndecl (tree);
void objc_finish_file (void);
tree objc_fold_obj_type_ref (tree, tree);
enum gimplify_status objc_gimplify_expr (tree *, tree *, 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_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_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_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_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_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_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_LANG_SLOT_1 (CLASS), 1)
#define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
/* 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)
/* 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
/* Hash tables to manage the global pool of method prototypes. */
typedef struct hashed_entry *hash;
typedef struct hashed_attribute *attr;
struct hashed_attribute GTY(())
{
attr next;
tree value;
};
struct hashed_entry GTY(())
{
attr list;
hash next;
tree key;
};
extern GTY ((length ("SIZEHASHTABLE"))) hash *nst_method_hash_list;
extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_method_hash_list;
#define SIZEHASHTABLE 257
/* Objective-C/Objective-C++ @implementation list. */
struct imp_entry GTY(())
{
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 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. */
enum objc_tree_index
{
OCTI_STATIC_NST,
OCTI_STATIC_NST_DECL,
OCTI_SELF_ID,
OCTI_UCMD_ID,
OCTI_SELF_DECL,
OCTI_UMSG_DECL,
OCTI_UMSG_FAST_DECL,
OCTI_UMSG_SUPER_DECL,
OCTI_UMSG_STRET_DECL,
OCTI_UMSG_SUPER_STRET_DECL,
OCTI_GET_CLASS_DECL,
OCTI_GET_MCLASS_DECL,
OCTI_SUPER_TYPE,
OCTI_SEL_TYPE,
OCTI_ID_TYPE,
OCTI_CLS_TYPE,
OCTI_NST_TYPE,
OCTI_PROTO_TYPE,
OCTI_CLS_CHAIN,
OCTI_ALIAS_CHAIN,
OCTI_INTF_CHAIN,
OCTI_PROTO_CHAIN,
OCTI_IMPL_CHAIN,
OCTI_CLS_REF_CHAIN,
OCTI_SEL_REF_CHAIN,
OCTI_IVAR_CHAIN,
OCTI_CLS_NAMES_CHAIN,
OCTI_METH_VAR_NAMES_CHAIN,
OCTI_METH_VAR_TYPES_CHAIN,
OCTI_SYMBOLS_DECL,
OCTI_NST_VAR_DECL,
OCTI_CLS_VAR_DECL,
OCTI_NST_METH_DECL,
OCTI_CLS_METH_DECL,
OCTI_CLS_DECL,
OCTI_MCLS_DECL,
OCTI_SEL_TABLE_DECL,
OCTI_MODULES_DECL,
OCTI_GNU_INIT_DECL,
OCTI_INTF_CTX,
OCTI_IMPL_CTX,
OCTI_METH_CTX,
OCTI_IVAR_CTX,
OCTI_IMPL_TEMPL,
OCTI_CLS_TEMPL,
OCTI_CAT_TEMPL,
OCTI_UPRIV_REC,
OCTI_PROTO_TEMPL,
OCTI_SEL_TEMPL,
OCTI_UCLS_SUPER_REF,
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_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_STORAGE_CLS,
OCTI_EXCEPTION_EXTRACT_DECL,
OCTI_EXCEPTION_TRY_ENTER_DECL,
OCTI_EXCEPTION_TRY_EXIT_DECL,
OCTI_EXCEPTION_MATCH_DECL,
OCTI_EXCEPTION_THROW_DECL,
OCTI_SYNC_ENTER_DECL,
OCTI_SYNC_EXIT_DECL,
OCTI_SETJMP_DECL,
OCTI_EXCDATA_TEMPL,
OCTI_STACK_EXCEPTION_DATA_DECL,
OCTI_LOCAL_EXCEPTION_DECL,
OCTI_RETHROW_EXCEPTION_DECL,
OCTI_EVAL_ONCE_DECL,
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
};
extern GTY(()) tree objc_global_trees[OCTI_MAX];
/* List of classes with list of their static instances. */
#define objc_static_instances objc_global_trees[OCTI_STATIC_NST]
/* The declaration of the array administrating the static instances. */
#define static_instances_decl objc_global_trees[OCTI_STATIC_NST_DECL]
/* Some commonly used instances of "identifier_node". */
#define self_id objc_global_trees[OCTI_SELF_ID]
#define ucmd_id objc_global_trees[OCTI_UCMD_ID]
#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_class_decl objc_global_trees[OCTI_GET_CLASS_DECL]
#define objc_get_meta_class_decl \
objc_global_trees[OCTI_GET_MCLASS_DECL]
#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 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) \
(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 interface_chain objc_global_trees[OCTI_INTF_CHAIN]
#define protocol_chain objc_global_trees[OCTI_PROTO_CHAIN]
#define implemented_classes objc_global_trees[OCTI_IMPL_CHAIN]
/* Chains to manage selectors that are referenced and defined in the
module. */
#define cls_ref_chain objc_global_trees[OCTI_CLS_REF_CHAIN] /* Classes referenced. */
#define sel_ref_chain objc_global_trees[OCTI_SEL_REF_CHAIN] /* Selectors referenced. */
#define objc_ivar_chain objc_global_trees[OCTI_IVAR_CHAIN]
/* Chains to manage uniquing of strings. */
#define class_names_chain objc_global_trees[OCTI_CLS_NAMES_CHAIN]
#define meth_var_names_chain objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
#define meth_var_types_chain objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
/* Backend data declarations. */
#define UOBJC_SYMBOLS_decl objc_global_trees[OCTI_SYMBOLS_DECL]
#define UOBJC_INSTANCE_VARIABLES_decl objc_global_trees[OCTI_NST_VAR_DECL]
#define UOBJC_CLASS_VARIABLES_decl objc_global_trees[OCTI_CLS_VAR_DECL]
#define UOBJC_INSTANCE_METHODS_decl objc_global_trees[OCTI_NST_METH_DECL]
#define UOBJC_CLASS_METHODS_decl objc_global_trees[OCTI_CLS_METH_DECL]
#define UOBJC_CLASS_decl objc_global_trees[OCTI_CLS_DECL]
#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
none exists this will be equal to objc_implementation_context...it is
set in start_class. */
#define objc_interface_context objc_global_trees[OCTI_INTF_CTX]
#define objc_implementation_context objc_global_trees[OCTI_IMPL_CTX]
#define objc_method_context objc_global_trees[OCTI_METH_CTX]
#define objc_ivar_context objc_global_trees[OCTI_IVAR_CTX]
#define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
#define objc_class_template objc_global_trees[OCTI_CLS_TEMPL]
#define objc_category_template objc_global_trees[OCTI_CAT_TEMPL]
#define uprivate_record objc_global_trees[OCTI_UPRIV_REC]
#define objc_protocol_template objc_global_trees[OCTI_PROTO_TEMPL]
#define objc_selector_template objc_global_trees[OCTI_SEL_TEMPL]
#define ucls_super_ref objc_global_trees[OCTI_UCLS_SUPER_REF]
#define uucls_super_ref objc_global_trees[OCTI_UUCLS_SUPER_REF]
#define umsg_nonnil_decl objc_global_trees[OCTI_UMSG_NONNIL_DECL]
#define umsg_nonnil_stret_decl objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
#define objc_storage_class objc_global_trees[OCTI_STORAGE_CLS]
#define objc_exception_extract_decl \
objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
#define objc_exception_try_enter_decl \
objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
#define objc_exception_try_exit_decl \
objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
#define objc_exception_match_decl \
objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
#define objc_exception_throw_decl \
objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
#define objc_sync_enter_decl objc_global_trees[OCTI_SYNC_ENTER_DECL]
#define objc_sync_exit_decl objc_global_trees[OCTI_SYNC_EXIT_DECL]
#define objc_exception_data_template \
objc_global_trees[OCTI_EXCDATA_TEMPL]
#define objc_setjmp_decl objc_global_trees[OCTI_SETJMP_DECL]
#define objc_stack_exception_data \
objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
#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_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 function2_template objc_global_trees[OCTI_FUNCTION2_TEMPL]
#define objc_object_id objc_global_trees[OCTI_OBJ_ID]
#define objc_class_id objc_global_trees[OCTI_CLS_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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