Open64: osprey/kgccfe/gnu/objc/objc-act.h Source File

00001 /* Declarations for objc-act.c.
00002    Copyright (C) 1990, 2000, 2001 Free Software Foundation, Inc.
00003 
00004 This file is part of GNU CC.
00005 
00006 GNU CC is free software; you can redistribute it and/or modify
00007 it under the terms of the GNU General Public License as published by
00008 the Free Software Foundation; either version 2, or (at your option)
00009 any later version.
00010 
00011 GNU CC is distributed in the hope that it will be useful,
00012 but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 GNU General Public License for more details.
00015 
00016 You should have received a copy of the GNU General Public License
00017 along with GNU CC; see the file COPYING.  If not, write to
00018 the Free Software Foundation, 59 Temple Place - Suite 330,
00019 Boston, MA 02111-1307, USA.  */
00020 
00021 #ifndef GCC_OBJC_ACT_H
00022 #define GCC_OBJC_ACT_H
00023 
00024 /*** Public Interface (procedures) ***/
00025 
00026 const char *objc_init       PARAMS ((const char *));
00027 int objc_decode_option        PARAMS ((int, char **));
00028 
00029 /* used by yyparse */
00030 
00031 void finish_file        PARAMS ((void));
00032 tree start_class        PARAMS ((enum tree_code, tree, tree, tree));
00033 tree continue_class       PARAMS ((tree));
00034 void finish_class       PARAMS ((tree));
00035 void start_method_def       PARAMS ((tree));
00036 void continue_method_def      PARAMS ((void));
00037 void finish_method_def        PARAMS ((void));
00038 tree start_protocol       PARAMS ((enum tree_code, tree, tree));
00039 void finish_protocol        PARAMS ((tree));
00040 void add_objc_decls       PARAMS ((void));
00041 
00042 tree is_ivar          PARAMS ((tree, tree));
00043 int is_private          PARAMS ((tree));
00044 int is_public         PARAMS ((tree, tree));
00045 tree add_instance_variable      PARAMS ((tree, int, tree, tree, tree));
00046 tree add_class_method       PARAMS ((tree, tree));
00047 tree add_instance_method      PARAMS ((tree, tree));
00048 tree get_super_receiver       PARAMS ((void));
00049 tree get_class_ivars        PARAMS ((tree));
00050 tree get_class_reference      PARAMS ((tree));
00051 tree get_static_reference     PARAMS ((tree, tree));
00052 tree get_object_reference     PARAMS ((tree));
00053 tree build_message_expr       PARAMS ((tree));
00054 tree finish_message_expr      PARAMS ((tree, tree, tree));
00055 tree build_selector_expr      PARAMS ((tree));
00056 tree build_ivar_reference     PARAMS ((tree));
00057 tree build_keyword_decl       PARAMS ((tree, tree, tree));
00058 tree build_method_decl        PARAMS ((enum tree_code, tree, tree, tree));
00059 tree build_protocol_expr      PARAMS ((tree));
00060 tree build_objc_string_object     PARAMS ((tree));
00061 
00062 void objc_declare_alias       PARAMS ((tree, tree));
00063 void objc_declare_class       PARAMS ((tree));
00064 void objc_declare_protocols     PARAMS ((tree));
00065 
00066 extern int objc_receiver_context;
00067 
00068 /* the following routines are used to implement statically typed objects */
00069 
00070 int objc_comptypes        PARAMS ((tree, tree, int));
00071 void objc_check_decl        PARAMS ((tree));
00072 
00073 /* NeXT extensions */
00074 
00075 tree build_encode_expr        PARAMS ((tree));
00076 
00077 /* Objective-C structures */
00078 
00079 /* KEYWORD_DECL */
00080 #define KEYWORD_KEY_NAME(DECL) ((DECL)->decl.name)
00081 #define KEYWORD_ARG_NAME(DECL) ((DECL)->decl.arguments)
00082 
00083 /* INSTANCE_METHOD_DECL, CLASS_METHOD_DECL */
00084 #define METHOD_SEL_NAME(DECL) ((DECL)->decl.name)
00085 #define METHOD_SEL_ARGS(DECL) ((DECL)->decl.arguments)
00086 #define METHOD_ADD_ARGS(DECL) ((DECL)->decl.result)
00087 #define METHOD_DEFINITION(DECL) ((DECL)->decl.initial)
00088 #define METHOD_ENCODING(DECL) ((DECL)->decl.context)
00089 
00090 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
00091    CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
00092    PROTOCOL_INTERFACE_TYPE */
00093 #define CLASS_NAME(CLASS) ((CLASS)->type.name)
00094 #define CLASS_SUPER_NAME(CLASS) ((CLASS)->type.context)
00095 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 0)
00096 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 1)
00097 #define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
00098 #define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
00099 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 2)
00100 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 3)
00101 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 4)
00102 #define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
00103 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 0)
00104 #define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
00105 #define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
00106 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_BINFO (CLASS), 1)
00107 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
00108 #define TYPE_PROTOCOL_LIST(TYPE) ((TYPE)->type.context)
00109 
00110 /* Set by `continue_class' and checked by `is_public'.  */
00111 
00112 #define TREE_STATIC_TEMPLATE(record_type) (TREE_PUBLIC (record_type))
00113 #define TYPED_OBJECT(type) \
00114        (TREE_CODE (type) == RECORD_TYPE && TREE_STATIC_TEMPLATE (type))
00115 
00116 /* Define the Objective-C or Objective-C++ language-specific tree codes.  */
00117 
00118 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
00119 enum objc_tree_code {
00120 #ifdef OBJCPLUS
00121   LAST_BASE_TREE_CODE = LAST_CPLUS_TREE_CODE,
00122 #else
00123   LAST_BASE_TREE_CODE = LAST_C_TREE_CODE,
00124 #endif
00125 #include "objc-tree.def"
00126   LAST_OBJC_TREE_CODE
00127 };
00128 #undef DEFTREECODE
00129 
00130 /* Hash tables to manage the global pool of method prototypes.  */
00131 
00132 typedef struct hashed_entry *hash;
00133 typedef struct hashed_attribute *attr;
00134 
00135 struct hashed_attribute
00136 {
00137   attr next;
00138   tree value;
00139 };
00140 struct hashed_entry
00141 {
00142   attr list;
00143   hash next;
00144   tree key;
00145 };
00146 
00147 extern hash *nst_method_hash_list;
00148 extern hash *cls_method_hash_list;
00149 
00150 #define HASH_ALLOC_LIST_SIZE  170
00151 #define ATTR_ALLOC_LIST_SIZE  170
00152 #define SIZEHASHTABLE     257
00153 
00154 /* Objective-C/Objective-C++ @implementation list.  */
00155 
00156 struct imp_entry
00157 {
00158   struct imp_entry *next;
00159   tree imp_context;
00160   tree imp_template;
00161   tree class_decl;    /* _OBJC_CLASS_<my_name>; */
00162   tree meta_decl;   /* _OBJC_METACLASS_<my_name>; */
00163 };
00164 
00165 extern struct imp_entry *imp_list;
00166 extern int imp_count; /* `@implementation' */
00167 extern int cat_count; /* `@category' */
00168 
00169 /* Objective-C/Objective-C++ global tree enumeration.  */
00170 
00171 enum objc_tree_index
00172 {
00173     OCTI_STATIC_NST,
00174     OCTI_STATIC_NST_DECL,
00175     OCTI_SELF_ID,
00176     OCTI_UCMD_ID,
00177     OCTI_UNUSED_LIST,
00178     OCTI_ELLIPSIS_NODE,
00179 
00180     OCTI_SELF_DECL,
00181     OCTI_UMSG_DECL,
00182     OCTI_UMSG_SUPER_DECL,
00183     OCTI_GET_CLASS_DECL,
00184     OCTI_GET_MCLASS_DECL,
00185     OCTI_SUPER_TYPE,
00186     OCTI_SEL_TYPE,
00187     OCTI_ID_TYPE,
00188     OCTI_CLS_TYPE,
00189     OCTI_NST_TYPE,
00190     OCTI_PROTO_TYPE,
00191 
00192     OCTI_CLS_CHAIN,
00193     OCTI_ALIAS_CHAIN,
00194     OCTI_INTF_CHAIN,
00195     OCTI_PROTO_CHAIN,
00196     OCTI_IMPL_CHAIN,
00197     OCTI_CLS_REF_CHAIN,
00198     OCTI_SEL_REF_CHAIN,
00199     OCTI_IVAR_CHAIN,
00200     OCTI_CLS_NAMES_CHAIN,
00201     OCTI_METH_VAR_NAMES_CHAIN,
00202     OCTI_METH_VAR_TYPES_CHAIN,
00203 
00204     OCTI_SYMBOLS_DECL,
00205     OCTI_NST_VAR_DECL,
00206     OCTI_CLS_VAR_DECL,
00207     OCTI_NST_METH_DECL,
00208     OCTI_CLS_METH_DECL,
00209     OCTI_CLS_DECL,
00210     OCTI_MCLS_DECL,
00211     OCTI_SEL_TABLE_DECL,
00212     OCTI_MODULES_DECL,
00213     OCTI_STRG_DECL,
00214 
00215     OCTI_INTF_CTX,
00216     OCTI_IMPL_CTX,
00217     OCTI_METH_CTX,
00218     OCTI_IVAR_CTX,
00219 
00220     OCTI_IMPL_TEMPL,
00221     OCTI_CLS_TEMPL,
00222     OCTI_CAT_TEMPL,
00223     OCTI_UPRIV_REC,
00224     OCTI_PROTO_TEMPL,
00225     OCTI_SEL_TEMPL,
00226     OCTI_UCLS_SUPER_REF,
00227     OCTI_UUCLS_SUPER_REF,
00228     OCTI_METH_TEMPL,
00229     OCTI_IVAR_TEMPL,
00230     OCTI_SYMTAB_TEMPL,
00231     OCTI_MODULE_TEMPL,
00232     OCTI_SUPER_TEMPL,
00233     OCTI_OBJ_REF,
00234     OCTI_METH_PROTO_TEMPL,
00235     OCTI_FUNCTION1_TEMPL,
00236     OCTI_FUNCTION2_TEMPL,
00237 
00238     OCTI_OBJ_ID,
00239     OCTI_CLS_ID,
00240     OCTI_ID_ID,
00241     OCTI_CNST_STR_ID,
00242     OCTI_CNST_STR_TYPE,
00243     OCTI_CNST_STR_GLOB_ID,
00244     OCTI_STRING_CLASS_DECL,
00245     OCTI_SUPER_DECL,
00246     
00247     OCTI_MAX
00248 };
00249 
00250 extern tree objc_global_trees[OCTI_MAX];
00251 
00252 /* List of classes with list of their static instances.  */
00253 #define objc_static_instances objc_global_trees[OCTI_STATIC_NST]
00254 
00255 /* The declaration of the array administrating the static instances.  */
00256 #define static_instances_decl objc_global_trees[OCTI_STATIC_NST_DECL]
00257 
00258 /* Some commonly used instances of "identifier_node".  */
00259 
00260 #define self_id     objc_global_trees[OCTI_SELF_ID]
00261 #define ucmd_id     objc_global_trees[OCTI_UCMD_ID]
00262 #define unused_list   objc_global_trees[OCTI_UNUSED_LIST]
00263 #define objc_ellipsis_node  objc_global_trees[OCTI_ELLIPSIS_NODE]
00264 
00265 #define self_decl   objc_global_trees[OCTI_SELF_DECL]
00266 #define umsg_decl   objc_global_trees[OCTI_UMSG_DECL]
00267 #define umsg_super_decl   objc_global_trees[OCTI_UMSG_SUPER_DECL]
00268 #define objc_get_class_decl objc_global_trees[OCTI_GET_CLASS_DECL]
00269 #define objc_get_meta_class_decl      \
00270         objc_global_trees[OCTI_GET_MCLASS_DECL]
00271 
00272 #define super_type    objc_global_trees[OCTI_SUPER_TYPE]
00273 #define selector_type   objc_global_trees[OCTI_SEL_TYPE]
00274 #define id_type     objc_global_trees[OCTI_ID_TYPE]
00275 #define objc_class_type   objc_global_trees[OCTI_CLS_TYPE]
00276 #define instance_type   objc_global_trees[OCTI_NST_TYPE]
00277 #define protocol_type   objc_global_trees[OCTI_PROTO_TYPE]
00278 
00279 /* Type checking macros.  */
00280 
00281 #define IS_ID(TYPE) \
00282   (TYPE_MAIN_VARIANT (TYPE) == TYPE_MAIN_VARIANT (id_type))
00283 #define IS_PROTOCOL_QUALIFIED_ID(TYPE) \
00284   (IS_ID (TYPE) && TYPE_PROTOCOL_LIST (TYPE))
00285 #define IS_SUPER(TYPE) \
00286   (super_type && TYPE_MAIN_VARIANT (TYPE) == TYPE_MAIN_VARIANT (super_type))
00287 
00288 #define class_chain   objc_global_trees[OCTI_CLS_CHAIN]
00289 #define alias_chain   objc_global_trees[OCTI_ALIAS_CHAIN]
00290 #define interface_chain   objc_global_trees[OCTI_INTF_CHAIN]
00291 #define protocol_chain    objc_global_trees[OCTI_PROTO_CHAIN]
00292 #define implemented_classes objc_global_trees[OCTI_IMPL_CHAIN]
00293 
00294 /* Chains to manage selectors that are referenced and defined in the
00295    module.  */
00296 
00297 #define cls_ref_chain   objc_global_trees[OCTI_CLS_REF_CHAIN] /* Classes referenced.  */
00298 #define sel_ref_chain   objc_global_trees[OCTI_SEL_REF_CHAIN] /* Selectors referenced.  */
00299 #define objc_ivar_chain   objc_global_trees[OCTI_IVAR_CHAIN]
00300 
00301 /* Chains to manage uniquing of strings.  */
00302 
00303 #define class_names_chain objc_global_trees[OCTI_CLS_NAMES_CHAIN]
00304 #define meth_var_names_chain  objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
00305 #define meth_var_types_chain  objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
00306 
00307 
00308 /* Backend data declarations.  */
00309 
00310 #define UOBJC_SYMBOLS_decl    objc_global_trees[OCTI_SYMBOLS_DECL]
00311 #define UOBJC_INSTANCE_VARIABLES_decl objc_global_trees[OCTI_NST_VAR_DECL]
00312 #define UOBJC_CLASS_VARIABLES_decl  objc_global_trees[OCTI_CLS_VAR_DECL]
00313 #define UOBJC_INSTANCE_METHODS_decl objc_global_trees[OCTI_NST_METH_DECL]
00314 #define UOBJC_CLASS_METHODS_decl  objc_global_trees[OCTI_CLS_METH_DECL]
00315 #define UOBJC_CLASS_decl    objc_global_trees[OCTI_CLS_DECL]
00316 #define UOBJC_METACLASS_decl    objc_global_trees[OCTI_MCLS_DECL]
00317 #define UOBJC_SELECTOR_TABLE_decl objc_global_trees[OCTI_SEL_TABLE_DECL]
00318 #define UOBJC_MODULES_decl    objc_global_trees[OCTI_MODULES_DECL]
00319 #define UOBJC_STRINGS_decl    objc_global_trees[OCTI_STRG_DECL]
00320 
00321 /* The following are used when compiling a class implementation.
00322    implementation_template will normally be an interface, however if
00323    none exists this will be equal to objc_implementation_context...it is
00324    set in start_class.  */
00325 
00326 #define objc_interface_context    objc_global_trees[OCTI_INTF_CTX]
00327 #define objc_implementation_context objc_global_trees[OCTI_IMPL_CTX]
00328 #define objc_method_context   objc_global_trees[OCTI_METH_CTX]
00329 #define objc_ivar_context   objc_global_trees[OCTI_IVAR_CTX]
00330 
00331 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
00332 #define objc_class_template objc_global_trees[OCTI_CLS_TEMPL]
00333 #define objc_category_template  objc_global_trees[OCTI_CAT_TEMPL]
00334 #define uprivate_record   objc_global_trees[OCTI_UPRIV_REC]
00335 #define objc_protocol_template  objc_global_trees[OCTI_PROTO_TEMPL]
00336 #define objc_selector_template  objc_global_trees[OCTI_SEL_TEMPL]
00337 #define ucls_super_ref    objc_global_trees[OCTI_UCLS_SUPER_REF]
00338 #define uucls_super_ref   objc_global_trees[OCTI_UUCLS_SUPER_REF]
00339 
00340 #define objc_method_template  objc_global_trees[OCTI_METH_TEMPL]
00341 #define objc_ivar_template  objc_global_trees[OCTI_IVAR_TEMPL]
00342 #define objc_symtab_template  objc_global_trees[OCTI_SYMTAB_TEMPL]
00343 #define objc_module_template  objc_global_trees[OCTI_MODULE_TEMPL]
00344 #define objc_super_template objc_global_trees[OCTI_SUPER_TEMPL]
00345 #define objc_object_reference objc_global_trees[OCTI_OBJ_REF]
00346 #define objc_method_prototype_template    \
00347         objc_global_trees[OCTI_METH_PROTO_TEMPL]
00348 #define function1_template  objc_global_trees[OCTI_FUNCTION1_TEMPL]
00349 #define function2_template  objc_global_trees[OCTI_FUNCTION2_TEMPL]
00350         
00351 #define objc_object_id    objc_global_trees[OCTI_OBJ_ID]
00352 #define objc_class_id   objc_global_trees[OCTI_CLS_ID]
00353 #define objc_id_id    objc_global_trees[OCTI_ID_ID]
00354 #define constant_string_id  objc_global_trees[OCTI_CNST_STR_ID]
00355 #define constant_string_type  objc_global_trees[OCTI_CNST_STR_TYPE]
00356 #define constant_string_global_id   \
00357         objc_global_trees[OCTI_CNST_STR_GLOB_ID]
00358 #define string_class_decl objc_global_trees[OCTI_STRING_CLASS_DECL]
00359 #define UOBJC_SUPER_decl  objc_global_trees[OCTI_SUPER_DECL]
00360 
00361 #endif /* GCC_OBJC_ACT_H */