diff options
Diffstat (limited to 'gcc/objc/objc-act.h')
| -rw-r--r-- | gcc/objc/objc-act.h | 82 |
1 files changed, 61 insertions, 21 deletions
diff --git a/gcc/objc/objc-act.h b/gcc/objc/objc-act.h index d13e374..e52e0f0 100644 --- a/gcc/objc/objc-act.h +++ b/gcc/objc/objc-act.h @@ -36,6 +36,7 @@ tree objc_fold_obj_type_ref (tree, tree); #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) @@ -67,19 +68,51 @@ tree objc_fold_obj_type_ref (tree, tree); #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)) - -#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 OBJC_SET_TYPE_NAME(type, name) (TYPE_NAME (type) = name) +/* ObjC-specific information pertaining to RECORD_TYPEs are stored in + the LANG_SPECIFIC structures, which may itself need allocating first. */ +#define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info +#define TYPE_HAS_OBJC_INFO(TYPE) \ + (TYPE_LANG_SPECIFIC (TYPE) \ + && TYPE_LANG_SPECIFIC (TYPE)->objc_info) +#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)) \ + TYPE_LANG_SPECIFIC (TYPE) \ + = ALLOC_OBJC_TYPE_LANG_SPECIFIC; \ + if (!TYPE_LANG_SPECIFIC (TYPE)->objc_info) \ + TYPE_LANG_SPECIFIC (TYPE)->objc_info \ + = make_tree_vec (OBJC_INFO_SLOT_ELTS); \ + } \ + while (0) +#define DUP_TYPE_OBJC_INFO(DST, SRC) \ + do \ + { \ + TYPE_LANG_SPECIFIC (DST) \ + = ALLOC_OBJC_TYPE_LANG_SPECIFIC; \ + if (TYPE_LANG_SPECIFIC (SRC)) \ + memcpy (TYPE_LANG_SPECIFIC (DST), \ + TYPE_LANG_SPECIFIC (SRC), \ + SIZEOF_OBJC_TYPE_LANG_SPECIFIC); \ + TYPE_LANG_SPECIFIC (DST)->objc_info \ + = make_tree_vec (OBJC_INFO_SLOT_ELTS); \ + } \ + while (0) + +/* The following two macros must be overridden (in objcp/objcp-decl.h) + for Objective-C++. */ +#define ALLOC_OBJC_TYPE_LANG_SPECIFIC GGC_CNEW (struct lang_type) +#define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type) + +#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. */ @@ -273,14 +306,21 @@ extern GTY(()) tree objc_global_trees[OCTI_MAX]; /* Type checking macros. */ -#define IS_ID(TYPE) \ - (POINTER_TYPE_P (TYPE) && TREE_TYPE (TYPE) == TREE_TYPE (objc_object_type)) -#define IS_CLASS(TYPE) \ - (POINTER_TYPE_P (TYPE) && TREE_TYPE (TYPE) == TREE_TYPE (objc_class_type)) -#define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE) \ - ((IS_ID (TYPE) || IS_CLASS (TYPE)) && TYPE_PROTOCOL_LIST (TYPE)) -#define IS_SUPER(TYPE) \ - (POINTER_TYPE_P (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] |