diff options
Diffstat (limited to 'gcc/c-tree.h')
| -rw-r--r-- | gcc/c-tree.h | 70 |
1 files changed, 68 insertions, 2 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h index 1cde4828348..1cd35fcfe0d 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -25,10 +25,29 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "c-common.h" #include "diagnostic.h" +/* APPLE LOCAL begin objc speedup --dpatel */ +/* Definition of 'struct lang_identifier' has been moved here from c-decl.c. + so that ObjC can see it. */ + +/* Each C symbol points to three linked lists of c_binding structures. + These describe the values of the identifier in the three different + namespaces defined by the language. */ + +struct lang_identifier GTY(()) +{ + struct c_common_identifier common_id; + struct c_binding *symbol_binding; /* vars, funcs, constants, typedefs */ + struct c_binding *tag_binding; /* struct/union/enum tags */ + struct c_binding *label_binding; /* labels */ + tree interface_value; /* ObjC interface, if any */ +}; +/* APPLE LOCAL end objc speedup --dpatel */ + /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to know how big it is. This is sanity-checked in c-decl.c. */ #define C_SIZEOF_STRUCT_LANG_IDENTIFIER \ - (sizeof (struct c_common_identifier) + 3 * sizeof (void *)) + /* APPLE LOCAL objc speedup --dpatel */ \ + (sizeof (struct c_common_identifier) + 4 * sizeof (void *)) /* For gc purposes, return the most likely link for the longest chain. */ #define C_LANG_TREE_NODE_CHAIN_NEXT(T) \ @@ -106,6 +125,17 @@ struct lang_type GTY(()) sizeof and typeof it is set for other function decls as well. */ #define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (EXP) +/* Record whether a label was defined in a statement expression which + has finished and so can no longer be jumped to. */ +#define C_DECL_UNJUMPABLE_STMT_EXPR(EXP) \ + DECL_LANG_FLAG_6 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was the subject of a goto from outside the + current level of statement expression nesting and so cannot be + defined right now. */ +#define C_DECL_UNDEFINABLE_STMT_EXPR(EXP) \ + DECL_LANG_FLAG_7 (LABEL_DECL_CHECK (EXP)) + /* Nonzero for a decl which either doesn't exist or isn't a prototype. N.B. Could be simplified if all built-in decls had complete prototypes (but this is presently difficult because some of them need FILE*). */ @@ -223,6 +253,16 @@ struct c_declspecs { BOOL_BITFIELD explicit_signed_p : 1; /* Whether the specifiers include a deprecated typedef. */ BOOL_BITFIELD deprecated_p : 1; + /* APPLE LOCAL begin "unavailable" attribute (radar 2809697) */ + /* Whether the specifiers include a unavailable typedef. */ + BOOL_BITFIELD unavailable_p : 1; + /* APPLE LOCAL end "unavailable" attribute (radar 2809697) */ + /* APPLE LOCAL begin private extern */ + /* Whether the specifiers include __private_extern. */ + BOOL_BITFIELD private_extern_p : 1; + /* APPLE LOCAL end private extern */ + /* APPLE LOCAL CW asm blocks */ + BOOL_BITFIELD cw_asm_specbit : 1; /* Whether the type defaulted to "int" because there were no type specifiers. */ BOOL_BITFIELD default_int_p; @@ -345,6 +385,27 @@ struct language_function GTY(()) int extern_inline; }; +/* Save lists of labels used or defined in particular statement + expression contexts. Allocated on the parser obstack. */ + +struct c_label_list +{ + /* The label at the head of the list. */ + tree label; + /* The rest of the list. */ + struct c_label_list *next; +}; + +struct c_label_context +{ + /* The labels defined at this level of nesting. */ + struct c_label_list *labels_def; + /* The labels used at this level of nesting. */ + struct c_label_list *labels_used; + /* The next outermost context. */ + struct c_label_context *next; +}; + /* in c-parse.in */ extern void c_parse_init (void); @@ -373,7 +434,6 @@ extern struct c_declarator *build_array_declarator (tree, struct c_declspecs *, extern tree build_enumerator (tree, tree); extern void check_for_loop_decls (void); extern void mark_forward_parm_decls (void); -extern int complete_array_type (tree, tree, int); extern void declare_parm_level (void); extern void undeclared_variable (tree); extern tree declare_label (tree); @@ -448,6 +508,7 @@ extern int in_sizeof; extern int in_typeof; extern struct c_switch *c_switch_stack; +extern struct c_label_context *label_context_stack; extern tree require_complete_type (tree); extern int same_translation_unit_p (tree, tree); @@ -502,6 +563,11 @@ extern tree c_finish_bc_stmt (tree *, bool); extern tree c_finish_goto_label (tree); extern tree c_finish_goto_ptr (tree); +/* APPLE LOCAL begin CW asm blocks */ +extern tree get_structure_offset (tree, tree); +extern tree lookup_struct_or_union_tag (tree); +/* APPLE LOCAL end CW asm blocks */ + /* Set to 0 at beginning of a function definition, set to 1 if a return statement that specifies a return value is seen. */ |