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-rw-r--r--gcc-4.2.1/gcc/c-tree.h636
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diff --git a/gcc-4.2.1/gcc/c-tree.h b/gcc-4.2.1/gcc/c-tree.h
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--- a/gcc-4.2.1/gcc/c-tree.h
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@@ -1,636 +0,0 @@
-/* Definitions for C parsing and type checking.
- Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-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, 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
- 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 *))
-
-/* Language-specific declaration information. */
-
-struct lang_decl GTY(())
-{
- 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)
-
-/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */
-#define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE)
-
-/* In a RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE
- nonzero if the definition of the type has already started. */
-#define C_TYPE_BEING_DEFINED(TYPE) TYPE_LANG_FLAG_0 (TYPE)
-
-/* In an incomplete RECORD_TYPE or UNION_TYPE, a list of variable
- declarations whose type would be completed by completing that type. */
-#define C_TYPE_INCOMPLETE_VARS(TYPE) TYPE_VFIELD (TYPE)
-
-/* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
- keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
- and C_RID_YYCODE is the token number wanted by Yacc. */
-#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
-
-struct lang_type GTY(())
-{
- /* 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 typedef for type `int' was actually `signed int'. */
-#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
-
-/* For a FUNCTION_DECL, nonzero if it was defined without an explicit
- return type. */
-#define C_FUNCTION_IMPLICIT_INT(EXP) DECL_LANG_FLAG_1 (EXP)
-
-/* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */
-#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
-
-/* 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 (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;
- they may differ for structures with volatile fields. */
-#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4 (EXP)
-
-/* Record whether a decl was used in an expression anywhere except an
- 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 (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))
-
-/* 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*). */
-#define C_DECL_ISNT_PROTOTYPE(EXP) \
- (EXP == 0 \
- || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \
- && !DECL_BUILT_IN (EXP)))
-
-/* For FUNCTION_TYPE, a hidden list of types of arguments. The same as
- TYPE_ARG_TYPES for functions with prototypes, but created for functions
- without prototypes. */
-#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE)
-
-/* Record parser information about an expression that is irrelevant
- for code generation alongside a tree representing its value. */
-struct c_expr
-{
- /* The value of the expression. */
- tree value;
- /* Record the original binary operator of an expression, which may
- have been changed by fold, STRING_CST for unparenthesized string
- constants, or ERROR_MARK for other expressions (including
- parenthesized expressions). */
- 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,
- csc_auto,
- csc_extern,
- csc_register,
- csc_static,
- csc_typedef
-};
-
-/* A type specifier keyword "void", "_Bool", "char", "int", "float",
- "double", or none of these. */
-enum c_typespec_keyword {
- cts_none,
- cts_void,
- cts_bool,
- cts_char,
- cts_int,
- cts_float,
- cts_double,
- cts_dfloat32,
- cts_dfloat64,
- cts_dfloat128
-};
-
-/* A sequence of declaration specifiers in C. */
-struct c_declspecs {
- /* The type specified, if a single type specifier such as a struct,
- union or enum specifier, typedef name or typeof specifies the
- whole type, or NULL_TREE if none or a keyword such as "void" or
- "char" is used. Does not include qualifiers. */
- tree type;
- /* The attributes from a typedef decl. */
- tree decl_attr;
- /* When parsing, the attributes. Outside the parser, this will be
- 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 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
- start of the list. (Doing this properly would require function
- specifiers to be handled separately from storage class
- specifiers.) */
- 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;
- /* Whether the specifiers include a deprecated typedef. */
- BOOL_BITFIELD deprecated_p : 1;
- /* Whether the type defaulted to "int" because there were no type
- specifiers. */
- BOOL_BITFIELD default_int_p;
- /* Whether "long" was specified. */
- BOOL_BITFIELD long_p : 1;
- /* Whether "long" was specified more than once. */
- BOOL_BITFIELD long_long_p : 1;
- /* Whether "short" was specified. */
- BOOL_BITFIELD short_p : 1;
- /* Whether "signed" was specified. */
- BOOL_BITFIELD signed_p : 1;
- /* Whether "unsigned" was specified. */
- BOOL_BITFIELD unsigned_p : 1;
- /* Whether "complex" was specified. */
- BOOL_BITFIELD complex_p : 1;
- /* Whether "inline" was specified. */
- BOOL_BITFIELD inline_p : 1;
- /* Whether "__thread" was specified. */
- BOOL_BITFIELD thread_p : 1;
- /* Whether "const" was specified. */
- BOOL_BITFIELD const_p : 1;
- /* Whether "volatile" was specified. */
- BOOL_BITFIELD volatile_p : 1;
- /* Whether "restrict" was specified. */
- BOOL_BITFIELD restrict_p : 1;
-};
-
-/* The various kinds of declarators in C. */
-enum c_declarator_kind {
- /* An identifier. */
- cdk_id,
- /* A function. */
- cdk_function,
- /* An array. */
- cdk_array,
- /* A pointer. */
- cdk_pointer,
- /* Parenthesized declarator with nested attributes. */
- cdk_attrs
-};
-
-/* 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;
- /* 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. */
- tree pending_sizes;
- /* True when these arguments had [*]. */
- BOOL_BITFIELD had_vla_unspec : 1;
-};
-
-/* A declarator. */
-struct c_declarator {
- /* The kind of 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. */
- tree id;
- /* For functions. */
- struct c_arg_info *arg_info;
- /* For arrays. */
- struct {
- /* The array dimension, or NULL for [] and [*]. */
- tree dimen;
- /* The qualifiers inside []. */
- int quals;
- /* The attributes (currently ignored) inside []. */
- tree attrs;
- /* Whether [static] was used. */
- BOOL_BITFIELD static_p : 1;
- /* Whether [*] was used. */
- BOOL_BITFIELD vla_unspec_p : 1;
- } array;
- /* For pointers, the qualifiers on the pointer type. */
- int pointer_quals;
- /* For attributes. */
- tree attrs;
- } u;
-};
-
-/* A type name. */
-struct c_type_name {
- /* The declaration specifiers. */
- struct c_declspecs *specs;
- /* The declarator. */
- struct c_declarator *declarator;
-};
-
-/* A parameter. */
-struct c_parm {
- /* The declaration specifiers, minus any prefix attributes. */
- struct c_declspecs *specs;
- /* The attributes. */
- tree attrs;
- /* The 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 language_function GTY(())
-{
- 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;
- 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-parser.c */
-extern void c_parse_init (void);
-
-/* in c-aux-info.c */
-extern void gen_aux_info_record (tree, int, int, int);
-
-/* in c-decl.c */
-extern struct obstack parser_obstack;
-extern tree c_break_label;
-extern tree c_cont_label;
-
-extern int global_bindings_p (void);
-extern void push_scope (void);
-extern tree pop_scope (void);
-extern void insert_block (tree);
-extern void c_expand_body (tree);
-
-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 *,
- bool, bool);
-extern tree build_enumerator (tree, tree);
-extern tree check_for_loop_decls (void);
-extern void mark_forward_parm_decls (void);
-extern void declare_parm_level (void);
-extern void undeclared_variable (tree, location_t);
-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);
-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 grokfield (struct c_declarator *, struct c_declspecs *, tree);
-extern tree groktypename (struct c_type_name *);
-extern tree grokparm (const struct c_parm *);
-extern tree implicitly_declare (tree);
-extern void keep_next_level (void);
-extern void pending_xref_error (void);
-extern void c_push_function_context (struct function *);
-extern void c_pop_function_context (struct function *);
-extern void push_parm_decl (const struct c_parm *);
-extern struct c_declarator *set_array_declarator_inner (struct c_declarator *,
- struct c_declarator *,
- bool);
-extern tree builtin_function (const char *, tree, int, enum built_in_class,
- const char *, tree);
-extern void shadow_tag (const struct c_declspecs *);
-extern void shadow_tag_warned (const struct c_declspecs *, int);
-extern tree start_enum (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 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 *);
-extern struct c_declarator *build_attrs_declarator (tree,
- struct c_declarator *);
-extern struct c_declarator *build_function_declarator (struct c_arg_info *,
- struct c_declarator *);
-extern struct c_declarator *build_id_declarator (tree);
-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 *,
- 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 *);
-
-/* in c-objc-common.c */
-extern int c_disregard_inline_limits (tree);
-extern int c_cannot_inline_tree_fn (tree *);
-extern bool c_objc_common_init (void);
-extern bool c_missing_noreturn_ok_p (tree);
-extern tree c_objc_common_truthvalue_conversion (tree expr);
-extern bool c_warn_unused_global_decl (tree);
-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 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 require_complete_type (tree);
-extern int same_translation_unit_p (tree, tree);
-extern int comptypes (tree, tree);
-extern bool c_vla_type_p (tree);
-extern bool c_mark_addressable (tree);
-extern void c_incomplete_type_error (tree, tree);
-extern tree c_type_promotes_to (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_array_ref (tree, tree);
-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);
-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);
-extern void error_init (const char *);
-extern void pedwarn_init (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);
-extern tree build_compound_literal (tree, tree);
-extern tree c_start_case (tree);
-extern void c_finish_case (tree);
-extern tree build_asm_expr (tree, tree, tree, tree, bool);
-extern tree build_asm_stmt (tree, tree);
-extern tree c_convert_parm_for_inlining (tree, tree, tree, int);
-extern int c_types_compatible_p (tree, tree);
-extern tree c_begin_compound_stmt (bool);
-extern tree c_end_compound_stmt (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);
-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 *);
-extern tree c_begin_omp_parallel (void);
-extern tree c_finish_omp_parallel (tree, tree);
-extern tree c_finish_omp_clauses (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 current_function_returns_value;
-
-/* Set to 0 at beginning of a function definition, set to 1 if
- a return statement with no argument is seen. */
-
-extern int current_function_returns_null;
-
-/* Set to 0 at beginning of a function definition, set to 1 if
- a call to a noreturn function is seen. */
-
-extern int current_function_returns_abnormally;
-
-/* Nonzero means we are reading code that came from a system header file. */
-
-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 (const char *, ...) ATTRIBUTE_GCC_CDIAG(1,2);
-extern void pedwarn_c99 (const char *, ...) ATTRIBUTE_GCC_CDIAG(1,2);
-
-#endif /* ! GCC_C_TREE_H */
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