/* Declarations for objc-act.c.
- Copyright (C) 1990 Free Software Foundation, Inc.
+ Copyright (C) 1990, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+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. */
+#ifndef GCC_OBJC_ACT_H
+#define GCC_OBJC_ACT_H
-/*** Public Interface (procedures) ***/
+/*** Language hooks ***/
+
+bool objc_init (void);
+const char *objc_printable_name (tree, int);
+void objc_finish_file (void);
/* used by yyparse */
-void finish_file PROTO((void));
-tree start_class PROTO((enum tree_code, tree, tree, tree));
-tree continue_class PROTO((tree));
-void finish_class PROTO((tree));
-void start_method_def PROTO((tree));
-void continue_method_def PROTO((void));
-void finish_method_def PROTO((void));
-tree start_protocol PROTO((enum tree_code, tree, tree));
-void finish_protocol PROTO((tree));
-void add_objc_decls PROTO((void));
-
-tree is_ivar PROTO((tree, tree));
-int is_private PROTO((tree));
-int is_public PROTO((tree, tree));
-tree add_instance_variable PROTO((tree, int, tree, tree, tree));
-tree add_class_method PROTO((tree, tree));
-tree add_instance_method PROTO((tree, tree));
-tree get_super_receiver PROTO((void));
-tree get_class_ivars PROTO((tree));
-tree get_class_reference PROTO((tree));
-tree get_static_reference PROTO((tree, tree));
-tree get_object_reference PROTO((tree));
-tree build_message_expr PROTO((tree));
-tree build_selector_expr PROTO((tree));
-tree build_ivar_reference PROTO((tree));
-tree build_keyword_decl PROTO((tree, tree, tree));
-tree build_method_decl PROTO((enum tree_code, tree, tree, tree));
-tree build_protocol_expr PROTO((tree));
-tree build_objc_string_object PROTO((tree));
-
-extern tree objc_ivar_chain;
-extern tree objc_method_context;
-
-void objc_declare_alias PROTO((tree, tree));
-void objc_declare_class PROTO((tree));
-
-extern int objc_receiver_context;
+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);
+void objc_begin_try_stmt (location_t, tree);
+void objc_begin_catch_clause (tree);
+void objc_finish_catch_clause (void);
+void objc_build_finally_clause (location_t, tree);
+void objc_finish_try_stmt (void);
+void objc_build_synchronized (location_t, tree, tree);
+
+tree is_ivar (tree, tree);
+int is_private (tree);
+int objc_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 objc_get_class_ivars (tree);
+tree objc_get_class_reference (tree);
+tree get_static_reference (tree, tree);
+tree get_protocol_reference (tree);
+tree objc_build_message_expr (tree);
+tree finish_message_expr (tree, tree, tree);
+tree objc_build_selector_expr (tree);
+tree build_ivar_reference (tree);
+tree objc_build_keyword_decl (tree, tree, tree);
+tree build_method_decl (enum tree_code, tree, tree, tree);
+tree objc_build_protocol_expr (tree);
+tree objc_build_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 PROTO((tree, tree, int));
-void objc_check_decl PROTO((tree));
+int objc_comptypes (tree, tree, int);
+void objc_check_decl (tree);
/* NeXT extensions */
-tree build_encode_expr PROTO((tree));
+tree objc_build_encode_expr (tree);
/* Objective-C structures */
+#define CLASS_LANG_SLOT_ELTS 6
+#define PROTOCOL_LANG_SLOT_ELTS 2
+
/* KEYWORD_DECL */
#define KEYWORD_KEY_NAME(DECL) ((DECL)->decl.name)
#define KEYWORD_ARG_NAME(DECL) ((DECL)->decl.arguments)
CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
PROTOCOL_INTERFACE_TYPE */
#define CLASS_NAME(CLASS) ((CLASS)->type.name)
-#define CLASS_SUPER_NAME(CLASS) ((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_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_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_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 CLASS_OWN_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 5)
#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 TYPE_PROTOCOL_LIST(TYPE) ((TYPE)->type.context)
+#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 `objc_is_public'. */
+
+#define TREE_STATIC_TEMPLATE(record_type) (TREE_PRIVATE (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 {
-#ifdef OBJCPLUS
- dummy_tree_code = LAST_CPLUS_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
- dummy_tree_code = LAST_AND_UNUSED_TREE_CODE,
+ #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>; */
+};
+
+extern GTY(()) struct imp_entry *imp_list;
+extern int imp_count; /* `@implementation' */
+extern int cat_count; /* `@category' */
+
+/* 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_UNUSED_LIST,
+ OCTI_ELLIPSIS_NODE,
+
+ OCTI_SELF_DECL,
+ OCTI_UMSG_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_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_SYMTAB_TEMPL,
+ OCTI_MODULE_TEMPL,
+ OCTI_SUPER_TEMPL,
+ OCTI_OBJ_REF,
+ OCTI_METH_PROTO_TEMPL,
+ OCTI_FUNCTION1_TEMPL,
+ OCTI_FUNCTION2_TEMPL,
+
+ OCTI_OBJ_ID,
+ OCTI_CLS_ID,
+ OCTI_ID_ID,
+ OCTI_CNST_STR_ID,
+ OCTI_CNST_STR_TYPE,
+ OCTI_CNST_STR_GLOB_ID,
+ OCTI_STRING_CLASS_DECL,
+ 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_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 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_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_id_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) \
+ (TYPE_MAIN_VARIANT (TYPE) == TYPE_MAIN_VARIANT (objc_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 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]
+
+/* 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 objc_method_template objc_global_trees[OCTI_METH_TEMPL]
+#define objc_ivar_template objc_global_trees[OCTI_IVAR_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_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_id_id objc_global_trees[OCTI_ID_ID]
+#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 UOBJC_SUPER_decl objc_global_trees[OCTI_SUPER_DECL]
+
+#endif /* GCC_OBJC_ACT_H */
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