/* Definitions for C parsing and type checking.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_C_TREE_H
#define GCC_C_TREE_H
-#include "c-common.h"
-#include "toplev.h"
+#include "c-family/c-common.h"
#include "diagnostic.h"
/* struct lang_identifier is private to c-decl.c, but langhooks.c needs to
#define C_SIZEOF_STRUCT_LANG_IDENTIFIER \
(sizeof (struct c_common_identifier) + 3 * sizeof (void *))
-/* Language-specific declaration information. */
-
-struct GTY(()) lang_decl {
- char dummy;
-};
-
/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE)
and C_RID_YYCODE is the token number wanted by Yacc. */
#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
-struct GTY(()) lang_type {
- /* In a RECORD_TYPE, a sorted array of the fields of the type. */
- struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
- /* In an ENUMERAL_TYPE, the min and max values. */
- tree enum_min;
- tree enum_max;
- /* In a RECORD_TYPE, information specific to Objective-C, such
- as a list of adopted protocols or a pointer to a corresponding
- @interface. See objc/objc-act.h for details. */
- tree objc_info;
-};
-
/* Record whether a type or decl was written with nonconstant size.
Note that TYPE_SIZE may have simplified to a constant. */
#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE)
#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE)
+/* Record whether a type is defined inside a struct or union type.
+ This is used for -Wc++-compat. */
+#define C_TYPE_DEFINED_IN_STRUCT(TYPE) TYPE_LANG_FLAG_2 (TYPE)
+
/* Record whether a typedef for type `int' was actually `signed int'. */
#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
sizeof and typeof it is set for other function decls as well. */
#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))
-
/* Record whether a variable has been declared threadprivate by
#pragma omp threadprivate. */
#define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL))
(but this is presently difficult because some of them need FILE*). */
#define C_DECL_ISNT_PROTOTYPE(EXP) \
(EXP == 0 \
- || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \
+ || (!prototype_p (TREE_TYPE (EXP)) \
&& !DECL_BUILT_IN (EXP)))
/* For FUNCTION_TYPE, a hidden list of types of arguments. The same as
tree original_type;
};
+/* Type alias for struct c_expr. This allows to use the structure
+ inside the VEC types. */
+typedef struct c_expr c_expr_t;
+
+/* A varray of c_expr_t. */
+DEF_VEC_O (c_expr_t);
+DEF_VEC_ALLOC_O (c_expr_t, gc);
+DEF_VEC_ALLOC_O (c_expr_t, heap);
+
+/* Append a new c_expr_t element to V. */
+#define C_EXPR_APPEND(V, ELEM) \
+ do { \
+ c_expr_t *__elem_p = VEC_safe_push (c_expr_t, gc, V, NULL); \
+ *__elem_p = (ELEM); \
+ } while (0)
+
/* 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 {
+ /* No typespec. This appears only in struct c_declspec. */
+ ctsk_none,
/* A reserved keyword type specifier. */
ctsk_resword,
/* A reference to a tag, previously declared, such as "struct foo".
struct c_typespec {
/* What kind of type specifier this is. */
enum c_typespec_kind kind;
+ /* Whether the expression has operands suitable for use in constant
+ expressions. */
+ bool expr_const_operands;
/* The specifier itself. */
tree spec;
/* An expression to be evaluated before the type specifier, in the
expression itself (as opposed to the array sizes) forms no part
of the type and so needs to be recorded separately. */
tree expr;
- /* Whether the expression has operands suitable for use in constant
- expressions. */
- bool expr_const_operands;
};
/* A storage class specifier. */
cts_char,
cts_int,
cts_float,
+ cts_int128,
cts_double,
cts_dfloat32,
cts_dfloat64,
NULL; attributes (possibly from multiple lists) will be passed
separately. */
tree attrs;
- /* Any type specifier keyword used such as "int", not reflecting
- modifiers such as "short", or cts_none if none. */
- enum c_typespec_keyword typespec_word;
+ /* The base-2 log of the greatest alignment required by an _Alignas
+ specifier, in bytes, or -1 if no such specifiers with nonzero
+ alignment. */
+ int align_log;
/* The storage class specifier, or csc_none if none. */
enum c_storage_class storage_class;
+ /* Any type specifier keyword used such as "int", not reflecting
+ modifiers such as "short", or cts_none if none. */
+ ENUM_BITFIELD (c_typespec_keyword) typespec_word : 8;
+ /* The kind of type specifier if one has been seen, ctsk_none
+ otherwise. */
+ ENUM_BITFIELD (c_typespec_kind) typespec_kind : 3;
/* Whether any expressions in typeof specifiers may appear in
constant expressions. */
BOOL_BITFIELD expr_const_operands : 1;
/* 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
BOOL_BITFIELD non_sc_seen_p : 1;
/* 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;
BOOL_BITFIELD deprecated_p : 1;
/* Whether the type defaulted to "int" because there were no type
specifiers. */
- BOOL_BITFIELD default_int_p;
+ BOOL_BITFIELD default_int_p : 1;
/* Whether "long" was specified. */
BOOL_BITFIELD long_p : 1;
/* Whether "long" was specified more than once. */
BOOL_BITFIELD complex_p : 1;
/* Whether "inline" was specified. */
BOOL_BITFIELD inline_p : 1;
+ /* Whether "_Noreturn" was speciied. */
+ BOOL_BITFIELD noreturn_p : 1;
/* Whether "__thread" was specified. */
BOOL_BITFIELD thread_p : 1;
/* Whether "const" was specified. */
BOOL_BITFIELD restrict_p : 1;
/* Whether "_Sat" was specified. */
BOOL_BITFIELD saturating_p : 1;
+ /* Whether any alignment specifier (even with zero alignment) was
+ specified. */
+ BOOL_BITFIELD alignas_p : 1;
+ /* The address space that the declaration belongs to. */
+ addr_space_t address_space;
};
/* The various kinds of declarators in C. */
cdk_attrs
};
+typedef struct c_arg_tag_d {
+ /* The argument name. */
+ tree id;
+ /* The type of the argument. */
+ tree type;
+} c_arg_tag;
+
+DEF_VEC_O(c_arg_tag);
+DEF_VEC_ALLOC_O(c_arg_tag,gc);
+
/* Information about the parameters in a function declarator. */
struct c_arg_info {
/* A list of parameter decls. */
tree parms;
/* A list of structure, union and enum tags defined. */
- tree tags;
+ VEC(c_arg_tag,gc) *tags;
/* A list of argument types to go in the FUNCTION_TYPE. */
tree types;
/* A list of non-parameter decls (notably enumeration constants)
defined with the parameters. */
tree others;
- /* A list of VLA sizes from the parameters. In a function
- definition, these are used to ensure that side-effects in sizes
- of arrays converted to pointers (such as a parameter int i[n++])
- take place; otherwise, they are ignored. */
+ /* A compound expression of VLA sizes from the parameters, or NULL.
+ In a function definition, these are used to ensure that
+ side-effects in sizes of arrays converted to pointers (such as a
+ parameter int i[n++]) take place; otherwise, they are
+ ignored. */
tree pending_sizes;
/* True when these arguments had [*]. */
BOOL_BITFIELD had_vla_unspec : 1;
struct c_declarator {
/* The kind of declarator. */
enum c_declarator_kind kind;
+ location_t id_loc; /* Currently only set for cdk_id, cdk_array. */
/* 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. */
struct c_declarator *declarator;
};
-/* Save and restore the variables in this file and elsewhere
- that keep track of the progress of compilation of the current function.
- Used for nested functions. */
-
-struct GTY(()) language_function {
- struct c_language_function base;
- tree x_break_label;
- tree x_cont_label;
- struct c_switch * GTY((skip)) x_switch_stack;
- struct c_arg_info * GTY((skip)) arg_info;
- int returns_value;
- int returns_null;
- int returns_abnormally;
- int warn_about_return_type;
-};
-
-/* 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;
-};
-
/* Used when parsing an enum. Initialized by start_enum. */
struct c_enum_contents
{
int enum_overflow;
};
+/* A type of reference to a static identifier in an inline
+ function. */
+enum c_inline_static_type {
+ /* Identifier with internal linkage used in function that may be an
+ inline definition (i.e., file-scope static). */
+ csi_internal,
+ /* Modifiable object with static storage duration defined in
+ function that may be an inline definition (i.e., local
+ static). */
+ csi_modifiable
+};
+
\f
/* in c-parser.c */
extern void c_parse_init (void);
extern void gen_aux_info_record (tree, int, int, int);
/* in c-decl.c */
+struct c_spot_bindings;
+struct c_struct_parse_info;
extern struct obstack parser_obstack;
extern tree c_break_label;
extern tree c_cont_label;
-extern int global_bindings_p (void);
+extern bool global_bindings_p (void);
extern void push_scope (void);
extern tree pop_scope (void);
+extern void c_bindings_start_stmt_expr (struct c_spot_bindings *);
+extern void c_bindings_end_stmt_expr (struct c_spot_bindings *);
+extern void record_inline_static (location_t, tree, tree,
+ enum c_inline_static_type);
extern void c_init_decl_processing (void);
-extern void c_dup_lang_specific_decl (tree);
extern void c_print_identifier (FILE *, tree, int);
extern int quals_from_declspecs (const struct c_declspecs *);
-extern struct c_declarator *build_array_declarator (tree, struct c_declspecs *,
+extern struct c_declarator *build_array_declarator (location_t, tree,
+ struct c_declspecs *,
bool, bool);
-extern tree build_enumerator (struct c_enum_contents *, tree, tree, location_t);
-extern tree check_for_loop_decls (void);
+extern tree build_enumerator (location_t, location_t, struct c_enum_contents *,
+ tree, tree);
+extern tree check_for_loop_decls (location_t, bool);
extern void mark_forward_parm_decls (void);
extern void declare_parm_level (void);
-extern void undeclared_variable (tree, location_t);
+extern void undeclared_variable (location_t, tree);
+extern tree lookup_label_for_goto (location_t, tree);
extern tree declare_label (tree);
extern tree define_label (location_t, tree);
-extern void c_maybe_initialize_eh (void);
-extern void finish_decl (tree, tree, tree, tree);
+extern struct c_spot_bindings *c_get_switch_bindings (void);
+extern void c_release_switch_bindings (struct c_spot_bindings *);
+extern bool c_check_switch_jump_warnings (struct c_spot_bindings *,
+ location_t, location_t);
+extern void finish_decl (tree, location_t, tree, tree, tree);
extern tree finish_enum (tree, tree, tree);
extern void finish_function (void);
-extern tree finish_struct (tree, tree, tree);
-extern struct c_arg_info *get_parm_info (bool);
+extern tree finish_struct (location_t, tree, tree, tree,
+ struct c_struct_parse_info *);
+extern struct c_arg_info *build_arg_info (void);
+extern struct c_arg_info *get_parm_info (bool, tree);
extern tree grokfield (location_t, struct c_declarator *,
struct c_declspecs *, tree, tree *);
extern tree groktypename (struct c_type_name *, tree *, bool *);
-extern tree grokparm (const struct c_parm *);
-extern tree implicitly_declare (tree);
+extern tree grokparm (const struct c_parm *, tree *);
+extern tree implicitly_declare (location_t, tree);
extern void keep_next_level (void);
extern void pending_xref_error (void);
extern void c_push_function_context (void);
extern void c_pop_function_context (void);
-extern void push_parm_decl (const struct c_parm *);
+extern void push_parm_decl (const struct c_parm *, tree *);
extern struct c_declarator *set_array_declarator_inner (struct c_declarator *,
struct c_declarator *);
extern tree c_builtin_function (tree);
extern tree c_builtin_function_ext_scope (tree);
extern void shadow_tag (const struct c_declspecs *);
extern void shadow_tag_warned (const struct c_declspecs *, int);
-extern tree start_enum (struct c_enum_contents *, tree);
+extern tree start_enum (location_t, struct c_enum_contents *, tree);
extern int start_function (struct c_declspecs *, struct c_declarator *, tree);
extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool,
tree);
-extern tree start_struct (enum tree_code, tree);
+extern tree start_struct (location_t, enum tree_code, tree,
+ struct c_struct_parse_info **);
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 struct c_typespec parser_xref_tag (location_t, enum tree_code, tree);
extern int c_expand_decl (tree);
extern struct c_parm *build_c_parm (struct c_declspecs *, tree,
struct c_declarator *);
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 *,
+extern struct c_declspecs *declspecs_add_type (location_t,
+ 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 *declspecs_add_addrspace (struct c_declspecs *,
+ addr_space_t);
+extern struct c_declspecs *declspecs_add_alignas (struct c_declspecs *, tree);
extern struct c_declspecs *finish_declspecs (struct c_declspecs *);
/* in c-objc-common.c */
extern void c_initialize_diagnostics (diagnostic_context *);
extern bool c_vla_unspec_p (tree x, tree fn);
-#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \
- c_build_qualified_type ((TYPE), \
- ((CONST_P) ? TYPE_QUAL_CONST : 0) | \
- ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
-
/* in c-typeck.c */
-extern bool in_late_binary_op;
extern int in_alignof;
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 c_objc_common_truthvalue_conversion (location_t, tree);
extern tree require_complete_type (tree);
extern int same_translation_unit_p (const_tree, const_tree);
extern int comptypes (tree, tree);
+extern int comptypes_check_different_types (tree, tree, bool *);
extern bool c_vla_type_p (const_tree);
extern bool c_mark_addressable (tree);
extern void c_incomplete_type_error (const_tree, const_tree);
extern tree c_type_promotes_to (tree);
-extern struct c_expr default_function_array_conversion (struct c_expr);
+extern struct c_expr default_function_array_conversion (location_t,
+ struct c_expr);
+extern struct c_expr default_function_array_read_conversion (location_t,
+ struct c_expr);
+extern void mark_exp_read (tree);
extern tree composite_type (tree, tree);
-extern tree build_component_ref (tree, tree);
-extern tree build_array_ref (tree, tree, location_t);
-extern tree build_external_ref (tree, int, location_t, tree *);
+extern tree build_component_ref (location_t, tree, tree);
+extern tree build_array_ref (location_t, tree, tree);
+extern tree build_external_ref (location_t, tree, int, tree *);
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,
- location_t);
-extern struct c_expr parser_build_binary_op (location_t,
+extern struct c_expr c_expr_sizeof_expr (location_t, struct c_expr);
+extern struct c_expr c_expr_sizeof_type (location_t, struct c_type_name *);
+extern struct c_expr parser_build_unary_op (location_t, enum tree_code,
+ struct c_expr);
+extern struct c_expr parser_build_binary_op (location_t,
enum tree_code, struct c_expr,
struct c_expr);
-extern tree build_conditional_expr (tree, bool, tree, tree);
-extern tree build_compound_expr (tree, tree);
-extern tree c_cast_expr (struct c_type_name *, tree);
-extern tree build_c_cast (tree, tree);
-extern void store_init_value (tree, tree, tree);
+extern tree build_conditional_expr (location_t, tree, bool, tree, tree,
+ tree, tree);
+extern tree build_compound_expr (location_t, tree, tree);
+extern tree c_cast_expr (location_t, struct c_type_name *, tree);
+extern tree build_c_cast (location_t, tree, tree);
+extern void store_init_value (location_t, tree, tree, tree);
extern void error_init (const char *);
extern void pedwarn_init (location_t, int opt, const char *);
extern void maybe_warn_string_init (tree, struct c_expr);
extern void start_init (tree, tree, int);
extern void finish_init (void);
extern void really_start_incremental_init (tree);
-extern void push_init_level (int);
-extern struct c_expr pop_init_level (int);
-extern void set_init_index (tree, tree);
-extern void set_init_label (tree);
-extern void process_init_element (struct c_expr, bool);
-extern tree build_compound_literal (tree, tree, bool);
-extern tree c_start_case (tree);
+extern void push_init_level (int, struct obstack *);
+extern struct c_expr pop_init_level (int, struct obstack *);
+extern void set_init_index (tree, tree, struct obstack *);
+extern void set_init_label (tree, struct obstack *);
+extern void process_init_element (struct c_expr, bool, struct obstack *);
+extern tree build_compound_literal (location_t, tree, tree, bool);
+extern void check_compound_literal_type (location_t, struct c_type_name *);
+extern tree c_start_case (location_t, location_t, tree);
extern void c_finish_case (tree);
-extern tree build_asm_expr (tree, tree, tree, tree, bool);
+extern tree build_asm_expr (location_t, tree, tree, tree, tree, tree, bool);
extern tree build_asm_stmt (tree, tree);
extern int c_types_compatible_p (tree, tree);
extern tree c_begin_compound_stmt (bool);
-extern tree c_end_compound_stmt (tree, bool);
+extern tree c_end_compound_stmt (location_t, tree, bool);
extern void c_finish_if_stmt (location_t, tree, tree, tree, bool);
extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool);
extern tree c_begin_stmt_expr (void);
-extern tree c_finish_stmt_expr (tree);
-extern tree c_process_expr_stmt (tree);
-extern tree c_finish_expr_stmt (tree);
-extern tree c_finish_return (tree, 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_finish_stmt_expr (location_t, tree);
+extern tree c_process_expr_stmt (location_t, tree);
+extern tree c_finish_expr_stmt (location_t, tree);
+extern tree c_finish_return (location_t, tree, tree);
+extern tree c_finish_bc_stmt (location_t, tree *, bool);
+extern tree c_finish_goto_label (location_t, tree);
+extern tree c_finish_goto_ptr (location_t, tree);
extern tree c_expr_to_decl (tree, bool *, bool *);
extern tree c_begin_omp_parallel (void);
-extern tree c_finish_omp_parallel (tree, tree);
+extern tree c_finish_omp_parallel (location_t, tree, tree);
extern tree c_begin_omp_task (void);
-extern tree c_finish_omp_task (tree, tree);
+extern tree c_finish_omp_task (location_t, tree, tree);
extern tree c_finish_omp_clauses (tree);
+extern tree c_build_va_arg (location_t, tree, tree);
+extern tree c_finish_transaction (location_t, tree, int);
+extern tree c_build_vec_perm_expr (location_t, tree, tree, tree);
/* Set to 0 at beginning of a function definition, set to 1 if
a return statement that specifies a return value is seen. */
extern int system_header_p;
-/* True means global_bindings_p should return false even if the scope stack
- says we are in file scope. */
-
-extern bool c_override_global_bindings_to_false;
-
-/* True means we've initialized exception handling. */
-extern bool c_eh_initialized_p;
-
/* In c-decl.c */
extern void c_finish_incomplete_decl (tree);
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. */
-#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)
-#endif
-
-extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
-extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
-
-extern bool c_cpp_error (cpp_reader *, int, location_t, unsigned int,
- const char *, va_list *)
- ATTRIBUTE_GCC_CDIAG(5,0);
+/* In c-errors.c */
+extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
+extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
#endif /* ! GCC_C_TREE_H */
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