X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fc-tree.h;h=0894317e5741e4ec8c614224a8f13792490e0176;hp=1cde48283488912e4ebaadc8143757fef0853f75;hb=d4b16cebcdc61fcee2e26f9bc09abf7c40cffc39;hpb=2fb898791a451d07e1c58d12b6e27f8a0afe820e diff --git a/gcc/c-tree.h b/gcc/c-tree.h index 1cde4828348..0894317e574 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -16,13 +16,14 @@ for more details. You should have received a copy of the GNU General Public License 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. */ +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ #ifndef GCC_C_TREE_H #define GCC_C_TREE_H #include "c-common.h" +#include "toplev.h" #include "diagnostic.h" /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to @@ -30,13 +31,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #define C_SIZEOF_STRUCT_LANG_IDENTIFIER \ (sizeof (struct c_common_identifier) + 3 * sizeof (void *)) -/* For gc purposes, return the most likely link for the longest chain. */ -#define C_LANG_TREE_NODE_CHAIN_NEXT(T) \ - ((union lang_tree_node *) \ - (TREE_CODE (T) == INTEGER_TYPE ? TYPE_NEXT_VARIANT (T) \ - : TREE_CODE (T) == COMPOUND_EXPR ? TREE_OPERAND (T, 1) \ - : TREE_CHAIN (T))) - /* Language-specific declaration information. */ struct lang_decl GTY(()) @@ -93,7 +87,13 @@ struct lang_type GTY(()) /* For FUNCTION_DECLs, evaluates true if the decl is built-in but has been declared. */ -#define C_DECL_DECLARED_BUILTIN(EXP) DECL_LANG_FLAG_3 (EXP) +#define C_DECL_DECLARED_BUILTIN(EXP) \ + DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP)) + +/* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a + built-in prototype and does not have a non-built-in prototype. */ +#define C_DECL_BUILTIN_PROTOTYPE(EXP) \ + DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP)) /* Record whether a decl was declared register. This is strictly a front-end flag, whereas DECL_REGISTER is used for code generation; @@ -104,7 +104,30 @@ struct lang_type GTY(()) unevaluated operand of sizeof / typeof / alignof. This is only used for functions declared static but not defined, though outside sizeof and typeof it is set for other function decls as well. */ -#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (EXP) +#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (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)) + +/* Record whether a label was defined in the scope of an identifier + with variably modified type which has finished and so can no longer + be jumped to. */ +#define C_DECL_UNJUMPABLE_VM(EXP) \ + DECL_LANG_FLAG_3 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was the subject of a goto from outside the + current level of scopes of identifiers with variably modified type + and so cannot be defined right now. */ +#define C_DECL_UNDEFINABLE_VM(EXP) \ + DECL_LANG_FLAG_5 (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 @@ -205,6 +228,10 @@ struct c_declspecs { enum c_typespec_keyword typespec_word; /* The storage class specifier, or csc_none if none. */ enum c_storage_class storage_class; + /* Whether any declaration specifiers have been seen at all. */ + BOOL_BITFIELD declspecs_seen_p : 1; + /* Whether a type specifier has been seen. */ + BOOL_BITFIELD type_seen_p : 1; /* Whether something other than a storage class specifier or attribute has been seen. This is used to warn for the obsolescent usage of storage class specifiers other than at the @@ -283,6 +310,7 @@ struct c_declarator { enum c_declarator_kind kind; /* Except for cdk_id, the contained declarator. For cdk_id, NULL. */ struct c_declarator *declarator; + location_t id_loc; /* Currently only set for cdk_id. */ union { /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract declarator. */ @@ -345,8 +373,47 @@ struct language_function GTY(()) int extern_inline; }; +/* Save lists of labels used or defined in particular 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; +}; + +/* Statement expression context. */ + +struct c_label_context_se +{ + /* 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_se *next; +}; + +/* Context of variably modified declarations. */ + +struct c_label_context_vm +{ + /* 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 scope of this context. Multiple contexts may be at the same + numbered scope, since each variably modified declaration starts a + new context. */ + unsigned scope; + /* The next outermost context. */ + struct c_label_context_vm *next; +}; + -/* in c-parse.in */ +/* in c-parser.c */ extern void c_parse_init (void); /* in c-aux-info.c */ @@ -373,9 +440,8 @@ 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 void undeclared_variable (tree, location_t); extern tree declare_label (tree); extern tree define_label (location_t, tree); extern void finish_decl (tree, tree, tree); @@ -448,6 +514,8 @@ extern int in_sizeof; extern int in_typeof; extern struct c_switch *c_switch_stack; +extern struct c_label_context_se *label_context_stack_se; +extern struct c_label_context_vm *label_context_stack_vm; extern tree require_complete_type (tree); extern int same_translation_unit_p (tree, tree); @@ -455,14 +523,17 @@ extern int comptypes (tree, tree); extern bool c_mark_addressable (tree); extern void c_incomplete_type_error (tree, tree); extern tree c_type_promotes_to (tree); +extern tree default_conversion (tree); +extern struct c_expr default_function_array_conversion (struct c_expr); extern tree composite_type (tree, tree); extern tree build_component_ref (tree, tree); extern tree build_indirect_ref (tree, const char *); extern tree build_array_ref (tree, tree); -extern tree build_external_ref (tree, int); +extern tree build_external_ref (tree, int, location_t); extern void pop_maybe_used (bool); extern struct c_expr c_expr_sizeof_expr (struct c_expr); extern struct c_expr c_expr_sizeof_type (struct c_type_name *); +extern struct c_expr parser_build_unary_op (enum tree_code, struct c_expr); extern struct c_expr parser_build_binary_op (enum tree_code, struct c_expr, struct c_expr); extern tree build_conditional_expr (tree, tree, tree); @@ -501,6 +572,9 @@ extern tree c_finish_return (tree); extern tree c_finish_bc_stmt (tree *, bool); extern tree c_finish_goto_label (tree); extern tree c_finish_goto_ptr (tree); +extern void c_begin_vm_scope (unsigned int); +extern void c_end_vm_scope (unsigned int); +extern tree c_expr_to_decl (tree, bool *, bool *, bool *); /* Set to 0 at beginning of a function definition, set to 1 if a return statement that specifies a return value is seen. */ @@ -536,8 +610,7 @@ extern void c_write_global_declarations (void); /* In order for the format checking to accept the C frontend diagnostic framework extensions, you must include this file before toplev.h, not after. */ -#define GCC_DIAG_STYLE __gcc_cdiag__ -#if GCC_VERSION >= 3005 +#if GCC_VERSION >= 4001 #define ATTRIBUTE_GCC_CDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m ,n))) ATTRIBUTE_NONNULL(m) #else #define ATTRIBUTE_GCC_CDIAG(m, n) ATTRIBUTE_NONNULL(m)