diff options
Diffstat (limited to 'gcc/c-tree.h')
| -rw-r--r-- | gcc/c-tree.h | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h index f6e195f..18d200f 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -131,6 +131,39 @@ struct c_expr enum tree_code original_code; }; +/* A kind of type specifier. Note that this information is currently + only used to distinguish tag definitions, tag references and typeof + uses. */ +enum c_typespec_kind { + /* A reserved keyword type specifier. */ + ctsk_resword, + /* A reference to a tag, previously declared, such as "struct foo". + This includes where the previous declaration was as a different + kind of tag, in which case this is only valid if shadowing that + tag in an inner scope. */ + ctsk_tagref, + /* A reference to a tag, not previously declared in a visible + scope. */ + ctsk_tagfirstref, + /* A definition of a tag such as "struct foo { int a; }". */ + ctsk_tagdef, + /* A typedef name. */ + ctsk_typedef, + /* An ObjC-specific kind of type specifier. */ + ctsk_objc, + /* A typeof specifier. */ + ctsk_typeof +}; + +/* A type specifier: this structure is created in the parser and + passed to declspecs_add_type only. */ +struct c_typespec { + /* What kind of type specifier this is. */ + enum c_typespec_kind kind; + /* The specifier itself. */ + tree spec; +}; + /* A storage class specifier. */ enum c_storage_class { csc_none, @@ -178,8 +211,12 @@ struct c_declspecs { specifiers to be handled separately from storage class specifiers.) */ BOOL_BITFIELD non_sc_seen_p : 1; - /* Whether the type is specified by a typedef. */ + /* Whether the type is specified by a typedef or typeof name. */ BOOL_BITFIELD typedef_p : 1; + /* Whether a struct, union or enum type either had its content + defined by a type specifier in the list or was the first visible + declaration of its tag. */ + BOOL_BITFIELD tag_defined_p : 1; /* Whether the type is explicitly "signed" or specified by a typedef whose type is explicitly "signed". */ BOOL_BITFIELD explicit_signed_p : 1; @@ -371,6 +408,7 @@ extern tree start_struct (enum tree_code, tree); extern void store_parm_decls (void); extern void store_parm_decls_from (struct c_arg_info *); extern tree xref_tag (enum tree_code, tree); +extern struct c_typespec parser_xref_tag (enum tree_code, tree); extern int c_expand_decl (tree); extern struct c_parm *build_c_parm (struct c_declspecs *, tree, struct c_declarator *); @@ -383,7 +421,8 @@ extern struct c_declarator *make_pointer_declarator (struct c_declspecs *, struct c_declarator *); extern struct c_declspecs *build_null_declspecs (void); extern struct c_declspecs *declspecs_add_qual (struct c_declspecs *, tree); -extern struct c_declspecs *declspecs_add_type (struct c_declspecs *, tree); +extern struct c_declspecs *declspecs_add_type (struct c_declspecs *, + struct c_typespec); extern struct c_declspecs *declspecs_add_scspec (struct c_declspecs *, tree); extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree); extern struct c_declspecs *finish_declspecs (struct c_declspecs *); |