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/* Definitions for c-common.c.
/* Definitions for c-common.c.
   Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
   Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
 
 
This file is part of GCC.
This file is part of GCC.
 
 
GCC is free software; you can redistribute it and/or modify it under
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
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
Software Foundation; either version 3, or (at your option) any later
version.
version.
 
 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.
for more details.
 
 
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
<http://www.gnu.org/licenses/>.  */
 
 
#ifndef GCC_C_COMMON_H
#ifndef GCC_C_COMMON_H
#define GCC_C_COMMON_H
#define GCC_C_COMMON_H
 
 
#include "splay-tree.h"
#include "splay-tree.h"
#include "cpplib.h"
#include "cpplib.h"
#include "ggc.h"
#include "ggc.h"
 
 
/* Usage of TREE_LANG_FLAG_?:
/* Usage of TREE_LANG_FLAG_?:
   0: TREE_NEGATED_INT (in INTEGER_CST).
   0: TREE_NEGATED_INT (in INTEGER_CST).
      IDENTIFIER_MARKED (used by search routines).
      IDENTIFIER_MARKED (used by search routines).
      DECL_PRETTY_FUNCTION_P (in VAR_DECL)
      DECL_PRETTY_FUNCTION_P (in VAR_DECL)
   1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
   1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
      STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
      STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
   2: unused
   2: unused
   3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
   3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
   4: unused
   4: unused
*/
*/
 
 
/* Reserved identifiers.  This is the union of all the keywords for C,
/* Reserved identifiers.  This is the union of all the keywords for C,
   C++, and Objective-C.  All the type modifiers have to be in one
   C++, and Objective-C.  All the type modifiers have to be in one
   block at the beginning, because they are used as mask bits.  There
   block at the beginning, because they are used as mask bits.  There
   are 27 type modifiers; if we add many more we will have to redesign
   are 27 type modifiers; if we add many more we will have to redesign
   the mask mechanism.  */
   the mask mechanism.  */
 
 
enum rid
enum rid
{
{
  /* Modifiers: */
  /* Modifiers: */
  /* C, in empirical order of frequency.  */
  /* C, in empirical order of frequency.  */
  RID_STATIC = 0,
  RID_STATIC = 0,
  RID_UNSIGNED, RID_LONG,    RID_CONST, RID_EXTERN,
  RID_UNSIGNED, RID_LONG,    RID_CONST, RID_EXTERN,
  RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE,
  RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE,
  RID_VOLATILE, RID_SIGNED,  RID_AUTO,  RID_RESTRICT,
  RID_VOLATILE, RID_SIGNED,  RID_AUTO,  RID_RESTRICT,
 
 
  /* C extensions */
  /* C extensions */
  RID_COMPLEX, RID_THREAD,
  RID_COMPLEX, RID_THREAD,
 
 
  /* C++ */
  /* C++ */
  RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
  RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
 
 
  /* ObjC */
  /* ObjC */
  RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY,
  RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY,
 
 
  /* C */
  /* C */
  RID_INT,     RID_CHAR,   RID_FLOAT,    RID_DOUBLE, RID_VOID,
  RID_INT,     RID_CHAR,   RID_FLOAT,    RID_DOUBLE, RID_VOID,
  RID_ENUM,    RID_STRUCT, RID_UNION,    RID_IF,     RID_ELSE,
  RID_ENUM,    RID_STRUCT, RID_UNION,    RID_IF,     RID_ELSE,
  RID_WHILE,   RID_DO,     RID_FOR,      RID_SWITCH, RID_CASE,
  RID_WHILE,   RID_DO,     RID_FOR,      RID_SWITCH, RID_CASE,
  RID_DEFAULT, RID_BREAK,  RID_CONTINUE, RID_RETURN, RID_GOTO,
  RID_DEFAULT, RID_BREAK,  RID_CONTINUE, RID_RETURN, RID_GOTO,
  RID_SIZEOF,
  RID_SIZEOF,
 
 
  /* C extensions */
  /* C extensions */
  RID_ASM,       RID_TYPEOF,   RID_ALIGNOF,  RID_ATTRIBUTE,  RID_VA_ARG,
  RID_ASM,       RID_TYPEOF,   RID_ALIGNOF,  RID_ATTRIBUTE,  RID_VA_ARG,
  RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL,      RID_CHOOSE_EXPR,
  RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL,      RID_CHOOSE_EXPR,
  RID_TYPES_COMPATIBLE_P,
  RID_TYPES_COMPATIBLE_P,
  RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128,
  RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128,
 
 
  /* Too many ways of getting the name of a function as a string */
  /* Too many ways of getting the name of a function as a string */
  RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
  RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
 
 
  /* C++ */
  /* C++ */
  RID_BOOL,     RID_WCHAR,    RID_CLASS,
  RID_BOOL,     RID_WCHAR,    RID_CLASS,
  RID_PUBLIC,   RID_PRIVATE,  RID_PROTECTED,
  RID_PUBLIC,   RID_PRIVATE,  RID_PROTECTED,
  RID_TEMPLATE, RID_NULL,     RID_CATCH,
  RID_TEMPLATE, RID_NULL,     RID_CATCH,
  RID_DELETE,   RID_FALSE,    RID_NAMESPACE,
  RID_DELETE,   RID_FALSE,    RID_NAMESPACE,
  RID_NEW,      RID_OFFSETOF, RID_OPERATOR,
  RID_NEW,      RID_OFFSETOF, RID_OPERATOR,
  RID_THIS,     RID_THROW,    RID_TRUE,
  RID_THIS,     RID_THROW,    RID_TRUE,
  RID_TRY,      RID_TYPENAME, RID_TYPEID,
  RID_TRY,      RID_TYPENAME, RID_TYPEID,
  RID_USING,
  RID_USING,
 
 
  /* casts */
  /* casts */
  RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
  RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
 
 
  /* Objective-C */
  /* Objective-C */
  RID_AT_ENCODE,   RID_AT_END,
  RID_AT_ENCODE,   RID_AT_END,
  RID_AT_CLASS,    RID_AT_ALIAS,     RID_AT_DEFS,
  RID_AT_CLASS,    RID_AT_ALIAS,     RID_AT_DEFS,
  RID_AT_PRIVATE,  RID_AT_PROTECTED, RID_AT_PUBLIC,
  RID_AT_PRIVATE,  RID_AT_PROTECTED, RID_AT_PUBLIC,
  RID_AT_PROTOCOL, RID_AT_SELECTOR,
  RID_AT_PROTOCOL, RID_AT_SELECTOR,
  RID_AT_THROW,    RID_AT_TRY,       RID_AT_CATCH,
  RID_AT_THROW,    RID_AT_TRY,       RID_AT_CATCH,
  RID_AT_FINALLY,  RID_AT_SYNCHRONIZED,
  RID_AT_FINALLY,  RID_AT_SYNCHRONIZED,
  RID_AT_INTERFACE,
  RID_AT_INTERFACE,
  RID_AT_IMPLEMENTATION,
  RID_AT_IMPLEMENTATION,
 
 
  RID_MAX,
  RID_MAX,
 
 
  RID_FIRST_MODIFIER = RID_STATIC,
  RID_FIRST_MODIFIER = RID_STATIC,
  RID_LAST_MODIFIER = RID_ONEWAY,
  RID_LAST_MODIFIER = RID_ONEWAY,
 
 
  RID_FIRST_AT = RID_AT_ENCODE,
  RID_FIRST_AT = RID_AT_ENCODE,
  RID_LAST_AT = RID_AT_IMPLEMENTATION,
  RID_LAST_AT = RID_AT_IMPLEMENTATION,
  RID_FIRST_PQ = RID_IN,
  RID_FIRST_PQ = RID_IN,
  RID_LAST_PQ = RID_ONEWAY
  RID_LAST_PQ = RID_ONEWAY
};
};
 
 
#define OBJC_IS_AT_KEYWORD(rid) \
#define OBJC_IS_AT_KEYWORD(rid) \
  ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \
  ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \
   (unsigned int) (rid) <= (unsigned int) RID_LAST_AT)
   (unsigned int) (rid) <= (unsigned int) RID_LAST_AT)
 
 
#define OBJC_IS_PQ_KEYWORD(rid) \
#define OBJC_IS_PQ_KEYWORD(rid) \
  ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \
  ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \
   (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ)
   (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ)
 
 
/* The elements of `ridpointers' are identifier nodes for the reserved
/* The elements of `ridpointers' are identifier nodes for the reserved
   type names and storage classes.  It is indexed by a RID_... value.  */
   type names and storage classes.  It is indexed by a RID_... value.  */
extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers;
extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers;
 
 
/* Standard named or nameless data types of the C compiler.  */
/* Standard named or nameless data types of the C compiler.  */
 
 
enum c_tree_index
enum c_tree_index
{
{
    CTI_WCHAR_TYPE,
    CTI_WCHAR_TYPE,
    CTI_SIGNED_WCHAR_TYPE,
    CTI_SIGNED_WCHAR_TYPE,
    CTI_UNSIGNED_WCHAR_TYPE,
    CTI_UNSIGNED_WCHAR_TYPE,
    CTI_WINT_TYPE,
    CTI_WINT_TYPE,
    CTI_SIGNED_SIZE_TYPE, /* For format checking only.  */
    CTI_SIGNED_SIZE_TYPE, /* For format checking only.  */
    CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only.  */
    CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only.  */
    CTI_INTMAX_TYPE,
    CTI_INTMAX_TYPE,
    CTI_UINTMAX_TYPE,
    CTI_UINTMAX_TYPE,
    CTI_WIDEST_INT_LIT_TYPE,
    CTI_WIDEST_INT_LIT_TYPE,
    CTI_WIDEST_UINT_LIT_TYPE,
    CTI_WIDEST_UINT_LIT_TYPE,
 
 
    CTI_CHAR_ARRAY_TYPE,
    CTI_CHAR_ARRAY_TYPE,
    CTI_WCHAR_ARRAY_TYPE,
    CTI_WCHAR_ARRAY_TYPE,
    CTI_INT_ARRAY_TYPE,
    CTI_INT_ARRAY_TYPE,
    CTI_STRING_TYPE,
    CTI_STRING_TYPE,
    CTI_CONST_STRING_TYPE,
    CTI_CONST_STRING_TYPE,
 
 
    /* Type for boolean expressions (bool in C++, int in C).  */
    /* Type for boolean expressions (bool in C++, int in C).  */
    CTI_TRUTHVALUE_TYPE,
    CTI_TRUTHVALUE_TYPE,
    CTI_TRUTHVALUE_TRUE,
    CTI_TRUTHVALUE_TRUE,
    CTI_TRUTHVALUE_FALSE,
    CTI_TRUTHVALUE_FALSE,
 
 
    CTI_DEFAULT_FUNCTION_TYPE,
    CTI_DEFAULT_FUNCTION_TYPE,
 
 
    /* These are not types, but we have to look them up all the time.  */
    /* These are not types, but we have to look them up all the time.  */
    CTI_FUNCTION_NAME_DECL,
    CTI_FUNCTION_NAME_DECL,
    CTI_PRETTY_FUNCTION_NAME_DECL,
    CTI_PRETTY_FUNCTION_NAME_DECL,
    CTI_C99_FUNCTION_NAME_DECL,
    CTI_C99_FUNCTION_NAME_DECL,
    CTI_SAVED_FUNCTION_NAME_DECLS,
    CTI_SAVED_FUNCTION_NAME_DECLS,
 
 
    CTI_VOID_ZERO,
    CTI_VOID_ZERO,
 
 
    CTI_NULL,
    CTI_NULL,
 
 
    CTI_MAX
    CTI_MAX
};
};
 
 
#define C_RID_CODE(id)  (((struct c_common_identifier *) (id))->node.rid_code)
#define C_RID_CODE(id)  (((struct c_common_identifier *) (id))->node.rid_code)
 
 
/* Identifier part common to the C front ends.  Inherits from
/* Identifier part common to the C front ends.  Inherits from
   tree_identifier, despite appearances.  */
   tree_identifier, despite appearances.  */
struct c_common_identifier GTY(())
struct c_common_identifier GTY(())
{
{
  struct tree_common common;
  struct tree_common common;
  struct cpp_hashnode node;
  struct cpp_hashnode node;
};
};
 
 
#define wchar_type_node                 c_global_trees[CTI_WCHAR_TYPE]
#define wchar_type_node                 c_global_trees[CTI_WCHAR_TYPE]
#define signed_wchar_type_node          c_global_trees[CTI_SIGNED_WCHAR_TYPE]
#define signed_wchar_type_node          c_global_trees[CTI_SIGNED_WCHAR_TYPE]
#define unsigned_wchar_type_node        c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
#define unsigned_wchar_type_node        c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
#define wint_type_node                  c_global_trees[CTI_WINT_TYPE]
#define wint_type_node                  c_global_trees[CTI_WINT_TYPE]
#define signed_size_type_node           c_global_trees[CTI_SIGNED_SIZE_TYPE]
#define signed_size_type_node           c_global_trees[CTI_SIGNED_SIZE_TYPE]
#define unsigned_ptrdiff_type_node      c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
#define unsigned_ptrdiff_type_node      c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
#define intmax_type_node                c_global_trees[CTI_INTMAX_TYPE]
#define intmax_type_node                c_global_trees[CTI_INTMAX_TYPE]
#define uintmax_type_node               c_global_trees[CTI_UINTMAX_TYPE]
#define uintmax_type_node               c_global_trees[CTI_UINTMAX_TYPE]
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
 
 
#define truthvalue_type_node            c_global_trees[CTI_TRUTHVALUE_TYPE]
#define truthvalue_type_node            c_global_trees[CTI_TRUTHVALUE_TYPE]
#define truthvalue_true_node            c_global_trees[CTI_TRUTHVALUE_TRUE]
#define truthvalue_true_node            c_global_trees[CTI_TRUTHVALUE_TRUE]
#define truthvalue_false_node           c_global_trees[CTI_TRUTHVALUE_FALSE]
#define truthvalue_false_node           c_global_trees[CTI_TRUTHVALUE_FALSE]
 
 
#define char_array_type_node            c_global_trees[CTI_CHAR_ARRAY_TYPE]
#define char_array_type_node            c_global_trees[CTI_CHAR_ARRAY_TYPE]
#define wchar_array_type_node           c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define wchar_array_type_node           c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define int_array_type_node             c_global_trees[CTI_INT_ARRAY_TYPE]
#define int_array_type_node             c_global_trees[CTI_INT_ARRAY_TYPE]
#define string_type_node                c_global_trees[CTI_STRING_TYPE]
#define string_type_node                c_global_trees[CTI_STRING_TYPE]
#define const_string_type_node          c_global_trees[CTI_CONST_STRING_TYPE]
#define const_string_type_node          c_global_trees[CTI_CONST_STRING_TYPE]
 
 
#define default_function_type           c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
#define default_function_type           c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
 
 
#define function_name_decl_node         c_global_trees[CTI_FUNCTION_NAME_DECL]
#define function_name_decl_node         c_global_trees[CTI_FUNCTION_NAME_DECL]
#define pretty_function_name_decl_node  c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
#define pretty_function_name_decl_node  c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
#define c99_function_name_decl_node             c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
#define c99_function_name_decl_node             c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
#define saved_function_name_decls       c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS]
#define saved_function_name_decls       c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS]
 
 
/* A node for `((void) 0)'.  */
/* A node for `((void) 0)'.  */
#define void_zero_node                  c_global_trees[CTI_VOID_ZERO]
#define void_zero_node                  c_global_trees[CTI_VOID_ZERO]
 
 
/* The node for C++ `__null'.  */
/* The node for C++ `__null'.  */
#define null_node                       c_global_trees[CTI_NULL]
#define null_node                       c_global_trees[CTI_NULL]
 
 
extern GTY(()) tree c_global_trees[CTI_MAX];
extern GTY(()) tree c_global_trees[CTI_MAX];
 
 
/* In a RECORD_TYPE, a sorted array of the fields of the type, not a
/* In a RECORD_TYPE, a sorted array of the fields of the type, not a
   tree for size reasons.  */
   tree for size reasons.  */
struct sorted_fields_type GTY(())
struct sorted_fields_type GTY(())
{
{
  int len;
  int len;
  tree GTY((length ("%h.len"))) elts[1];
  tree GTY((length ("%h.len"))) elts[1];
};
};
 
 
/* Mark which labels are explicitly declared.
/* Mark which labels are explicitly declared.
   These may be shadowed, and may be referenced from nested functions.  */
   These may be shadowed, and may be referenced from nested functions.  */
#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
 
 
typedef enum c_language_kind
typedef enum c_language_kind
{
{
  clk_c         = 0,             /* C90, C94 or C99 */
  clk_c         = 0,             /* C90, C94 or C99 */
  clk_objc      = 1,            /* clk_c with ObjC features.  */
  clk_objc      = 1,            /* clk_c with ObjC features.  */
  clk_cxx       = 2,            /* ANSI/ISO C++ */
  clk_cxx       = 2,            /* ANSI/ISO C++ */
  clk_objcxx    = 3             /* clk_cxx with ObjC features.  */
  clk_objcxx    = 3             /* clk_cxx with ObjC features.  */
}
}
c_language_kind;
c_language_kind;
 
 
/* To test for a specific language use c_language, defined by each
/* To test for a specific language use c_language, defined by each
   front end.  For "ObjC features" or "not C++" use the macros.  */
   front end.  For "ObjC features" or "not C++" use the macros.  */
extern c_language_kind c_language;
extern c_language_kind c_language;
 
 
#define c_dialect_cxx()         (c_language & clk_cxx)
#define c_dialect_cxx()         (c_language & clk_cxx)
#define c_dialect_objc()        (c_language & clk_objc)
#define c_dialect_objc()        (c_language & clk_objc)
 
 
/* Information about a statement tree.  */
/* Information about a statement tree.  */
 
 
struct stmt_tree_s GTY(()) {
struct stmt_tree_s GTY(()) {
  /* The current statement list being collected.  */
  /* The current statement list being collected.  */
  tree x_cur_stmt_list;
  tree x_cur_stmt_list;
 
 
  /* In C++, Nonzero if we should treat statements as full
  /* In C++, Nonzero if we should treat statements as full
     expressions.  In particular, this variable is no-zero if at the
     expressions.  In particular, this variable is no-zero if at the
     end of a statement we should destroy any temporaries created
     end of a statement we should destroy any temporaries created
     during that statement.  Similarly, if, at the end of a block, we
     during that statement.  Similarly, if, at the end of a block, we
     should destroy any local variables in this block.  Normally, this
     should destroy any local variables in this block.  Normally, this
     variable is nonzero, since those are the normal semantics of
     variable is nonzero, since those are the normal semantics of
     C++.
     C++.
 
 
     However, in order to represent aggregate initialization code as
     However, in order to represent aggregate initialization code as
     tree structure, we use statement-expressions.  The statements
     tree structure, we use statement-expressions.  The statements
     within the statement expression should not result in cleanups
     within the statement expression should not result in cleanups
     being run until the entire enclosing statement is complete.
     being run until the entire enclosing statement is complete.
 
 
     This flag has no effect in C.  */
     This flag has no effect in C.  */
  int stmts_are_full_exprs_p;
  int stmts_are_full_exprs_p;
};
};
 
 
typedef struct stmt_tree_s *stmt_tree;
typedef struct stmt_tree_s *stmt_tree;
 
 
/* Global state pertinent to the current function.  Some C dialects
/* Global state pertinent to the current function.  Some C dialects
   extend this structure with additional fields.  */
   extend this structure with additional fields.  */
 
 
struct c_language_function GTY(()) {
struct c_language_function GTY(()) {
  /* While we are parsing the function, this contains information
  /* While we are parsing the function, this contains information
     about the statement-tree that we are building.  */
     about the statement-tree that we are building.  */
  struct stmt_tree_s x_stmt_tree;
  struct stmt_tree_s x_stmt_tree;
};
};
 
 
/* When building a statement-tree, this is the current statement list
/* When building a statement-tree, this is the current statement list
   being collected.  It's TREE_CHAIN is a back-pointer to the previous
   being collected.  It's TREE_CHAIN is a back-pointer to the previous
   statement list.  */
   statement list.  */
 
 
#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list)
#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list)
 
 
/* Language-specific hooks.  */
/* Language-specific hooks.  */
 
 
/* Callback that determines if it's ok for a function to have no
/* Callback that determines if it's ok for a function to have no
   noreturn attribute.  */
   noreturn attribute.  */
extern int (*lang_missing_noreturn_ok_p) (tree);
extern int (*lang_missing_noreturn_ok_p) (tree);
 
 
/* If non-NULL, this function is called after a precompile header file
/* If non-NULL, this function is called after a precompile header file
   is loaded.  */
   is loaded.  */
extern void (*lang_post_pch_load) (void);
extern void (*lang_post_pch_load) (void);
 
 
extern void push_file_scope (void);
extern void push_file_scope (void);
extern void pop_file_scope (void);
extern void pop_file_scope (void);
extern stmt_tree current_stmt_tree (void);
extern stmt_tree current_stmt_tree (void);
extern tree push_stmt_list (void);
extern tree push_stmt_list (void);
extern tree pop_stmt_list (tree);
extern tree pop_stmt_list (tree);
extern tree add_stmt (tree);
extern tree add_stmt (tree);
extern void push_cleanup (tree, tree, bool);
extern void push_cleanup (tree, tree, bool);
extern tree pushdecl_top_level (tree);
extern tree pushdecl_top_level (tree);
extern tree pushdecl (tree);
extern tree pushdecl (tree);
extern tree build_modify_expr (tree, enum tree_code, tree);
extern tree build_modify_expr (tree, enum tree_code, tree);
extern tree build_indirect_ref (tree, const char *);
extern tree build_indirect_ref (tree, const char *);
 
 
extern int c_expand_decl (tree);
extern int c_expand_decl (tree);
 
 
extern int field_decl_cmp (const void *, const void *);
extern int field_decl_cmp (const void *, const void *);
extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
                                  void *);
                                  void *);
extern bool has_c_linkage (tree decl);
extern bool has_c_linkage (tree decl);


/* Switches common to the C front ends.  */
/* Switches common to the C front ends.  */
 
 
/* Nonzero if prepreprocessing only.  */
/* Nonzero if prepreprocessing only.  */
 
 
extern int flag_preprocess_only;
extern int flag_preprocess_only;
 
 
/* Zero means that faster, ...NonNil variants of objc_msgSend...
/* Zero means that faster, ...NonNil variants of objc_msgSend...
   calls will be used in ObjC; passing nil receivers to such calls
   calls will be used in ObjC; passing nil receivers to such calls
   will most likely result in crashes.  */
   will most likely result in crashes.  */
extern int flag_nil_receivers;
extern int flag_nil_receivers;
 
 
/* Nonzero means that we will allow new ObjC exception syntax (@throw,
/* Nonzero means that we will allow new ObjC exception syntax (@throw,
   @try, etc.) in source code.  */
   @try, etc.) in source code.  */
extern int flag_objc_exceptions;
extern int flag_objc_exceptions;
 
 
/* Nonzero means that we generate NeXT setjmp based exceptions.  */
/* Nonzero means that we generate NeXT setjmp based exceptions.  */
extern int flag_objc_sjlj_exceptions;
extern int flag_objc_sjlj_exceptions;
 
 
/* Nonzero means that code generation will be altered to support
/* Nonzero means that code generation will be altered to support
   "zero-link" execution.  This currently affects ObjC only, but may
   "zero-link" execution.  This currently affects ObjC only, but may
   affect other languages in the future.  */
   affect other languages in the future.  */
extern int flag_zero_link;
extern int flag_zero_link;
 
 
/* Nonzero means emit an '__OBJC, __image_info' for the current translation
/* Nonzero means emit an '__OBJC, __image_info' for the current translation
   unit.  It will inform the ObjC runtime that class definition(s) herein
   unit.  It will inform the ObjC runtime that class definition(s) herein
   contained are to replace one(s) previously loaded.  */
   contained are to replace one(s) previously loaded.  */
extern int flag_replace_objc_classes;
extern int flag_replace_objc_classes;
 
 
/* Nonzero means don't output line number information.  */
/* Nonzero means don't output line number information.  */
 
 
extern char flag_no_line_commands;
extern char flag_no_line_commands;
 
 
/* Nonzero causes -E output not to be done, but directives such as
/* Nonzero causes -E output not to be done, but directives such as
   #define that have side effects are still obeyed.  */
   #define that have side effects are still obeyed.  */
 
 
extern char flag_no_output;
extern char flag_no_output;
 
 
/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or
/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or
   'N' of the command line switch.  */
   'N' of the command line switch.  */
 
 
extern char flag_dump_macros;
extern char flag_dump_macros;
 
 
/* Nonzero means pass #include lines through to the output.  */
/* Nonzero means pass #include lines through to the output.  */
 
 
extern char flag_dump_includes;
extern char flag_dump_includes;
 
 
/* Nonzero means process PCH files while preprocessing.  */
/* Nonzero means process PCH files while preprocessing.  */
 
 
extern bool flag_pch_preprocess;
extern bool flag_pch_preprocess;
 
 
/* The file name to which we should write a precompiled header, or
/* The file name to which we should write a precompiled header, or
   NULL if no header will be written in this compile.  */
   NULL if no header will be written in this compile.  */
 
 
extern const char *pch_file;
extern const char *pch_file;
 
 
/* Nonzero if an ISO standard was selected.  It rejects macros in the
/* Nonzero if an ISO standard was selected.  It rejects macros in the
   user's namespace.  */
   user's namespace.  */
 
 
extern int flag_iso;
extern int flag_iso;
 
 
/* Nonzero if -undef was given.  It suppresses target built-in macros
/* Nonzero if -undef was given.  It suppresses target built-in macros
   and assertions.  */
   and assertions.  */
 
 
extern int flag_undef;
extern int flag_undef;
 
 
/* Nonzero means don't recognize the non-ANSI builtin functions.  */
/* Nonzero means don't recognize the non-ANSI builtin functions.  */
 
 
extern int flag_no_builtin;
extern int flag_no_builtin;
 
 
/* Nonzero means don't recognize the non-ANSI builtin functions.
/* Nonzero means don't recognize the non-ANSI builtin functions.
   -ansi sets this.  */
   -ansi sets this.  */
 
 
extern int flag_no_nonansi_builtin;
extern int flag_no_nonansi_builtin;
 
 
/* Nonzero means give `double' the same size as `float'.  */
/* Nonzero means give `double' the same size as `float'.  */
 
 
extern int flag_short_double;
extern int flag_short_double;
 
 
/* Nonzero means give `wchar_t' the same size as `short'.  */
/* Nonzero means give `wchar_t' the same size as `short'.  */
 
 
extern int flag_short_wchar;
extern int flag_short_wchar;
 
 
/* Nonzero means allow Microsoft extensions without warnings or errors.  */
/* Nonzero means allow Microsoft extensions without warnings or errors.  */
extern int flag_ms_extensions;
extern int flag_ms_extensions;
 
 
/* Nonzero means don't recognize the keyword `asm'.  */
/* Nonzero means don't recognize the keyword `asm'.  */
 
 
extern int flag_no_asm;
extern int flag_no_asm;
 
 
/* Nonzero means give string constants the type `const char *', as mandated
/* Nonzero means give string constants the type `const char *', as mandated
   by the standard.  */
   by the standard.  */
 
 
extern int flag_const_strings;
extern int flag_const_strings;
 
 
/* Nonzero means to treat bitfields as signed unless they say `unsigned'.  */
/* Nonzero means to treat bitfields as signed unless they say `unsigned'.  */
 
 
extern int flag_signed_bitfields;
extern int flag_signed_bitfields;
 
 
/* Warn about #pragma directives that are not recognized.  */
/* Warn about #pragma directives that are not recognized.  */
 
 
extern int warn_unknown_pragmas; /* Tri state variable.  */
extern int warn_unknown_pragmas; /* Tri state variable.  */
 
 
/* Warn about format/argument anomalies in calls to formatted I/O functions
/* Warn about format/argument anomalies in calls to formatted I/O functions
   (*printf, *scanf, strftime, strfmon, etc.).  */
   (*printf, *scanf, strftime, strfmon, etc.).  */
 
 
extern int warn_format;
extern int warn_format;
 
 
 
 
/* C/ObjC language option variables.  */
/* C/ObjC language option variables.  */
 
 
 
 
/* Nonzero means allow type mismatches in conditional expressions;
/* Nonzero means allow type mismatches in conditional expressions;
   just make their values `void'.  */
   just make their values `void'.  */
 
 
extern int flag_cond_mismatch;
extern int flag_cond_mismatch;
 
 
/* Nonzero means enable C89 Amendment 1 features.  */
/* Nonzero means enable C89 Amendment 1 features.  */
 
 
extern int flag_isoc94;
extern int flag_isoc94;
 
 
/* Nonzero means use the ISO C99 dialect of C.  */
/* Nonzero means use the ISO C99 dialect of C.  */
 
 
extern int flag_isoc99;
extern int flag_isoc99;
 
 
/* Nonzero means that we have builtin functions, and main is an int.  */
/* Nonzero means that we have builtin functions, and main is an int.  */
 
 
extern int flag_hosted;
extern int flag_hosted;
 
 
/* Warn if main is suspicious.  */
/* Warn if main is suspicious.  */
 
 
extern int warn_main;
extern int warn_main;
 
 
 
 
/* ObjC language option variables.  */
/* ObjC language option variables.  */
 
 
 
 
/* Open and close the file for outputting class declarations, if
/* Open and close the file for outputting class declarations, if
   requested (ObjC).  */
   requested (ObjC).  */
 
 
extern int flag_gen_declaration;
extern int flag_gen_declaration;
 
 
/* Tells the compiler that this is a special run.  Do not perform any
/* Tells the compiler that this is a special run.  Do not perform any
   compiling, instead we are to test some platform dependent features
   compiling, instead we are to test some platform dependent features
   and output a C header file with appropriate definitions.  */
   and output a C header file with appropriate definitions.  */
 
 
extern int print_struct_values;
extern int print_struct_values;
 
 
/* ???.  Undocumented.  */
/* ???.  Undocumented.  */
 
 
extern const char *constant_string_class_name;
extern const char *constant_string_class_name;
 
 
 
 
/* C++ language option variables.  */
/* C++ language option variables.  */
 
 
 
 
/* Nonzero means don't recognize any extension keywords.  */
/* Nonzero means don't recognize any extension keywords.  */
 
 
extern int flag_no_gnu_keywords;
extern int flag_no_gnu_keywords;
 
 
/* Nonzero means do emit exported implementations of functions even if
/* Nonzero means do emit exported implementations of functions even if
   they can be inlined.  */
   they can be inlined.  */
 
 
extern int flag_implement_inlines;
extern int flag_implement_inlines;
 
 
/* Nonzero means that implicit instantiations will be emitted if needed.  */
/* Nonzero means that implicit instantiations will be emitted if needed.  */
 
 
extern int flag_implicit_templates;
extern int flag_implicit_templates;
 
 
/* Nonzero means that implicit instantiations of inline templates will be
/* Nonzero means that implicit instantiations of inline templates will be
   emitted if needed, even if instantiations of non-inline templates
   emitted if needed, even if instantiations of non-inline templates
   aren't.  */
   aren't.  */
 
 
extern int flag_implicit_inline_templates;
extern int flag_implicit_inline_templates;
 
 
/* Nonzero means generate separate instantiation control files and
/* Nonzero means generate separate instantiation control files and
   juggle them at link time.  */
   juggle them at link time.  */
 
 
extern int flag_use_repository;
extern int flag_use_repository;
 
 
/* Nonzero if we want to issue diagnostics that the standard says are not
/* Nonzero if we want to issue diagnostics that the standard says are not
   required.  */
   required.  */
 
 
extern int flag_optional_diags;
extern int flag_optional_diags;
 
 
/* Nonzero means we should attempt to elide constructors when possible.  */
/* Nonzero means we should attempt to elide constructors when possible.  */
 
 
extern int flag_elide_constructors;
extern int flag_elide_constructors;
 
 
/* Nonzero means that member functions defined in class scope are
/* Nonzero means that member functions defined in class scope are
   inline by default.  */
   inline by default.  */
 
 
extern int flag_default_inline;
extern int flag_default_inline;
 
 
/* Controls whether compiler generates 'type descriptor' that give
/* Controls whether compiler generates 'type descriptor' that give
   run-time type information.  */
   run-time type information.  */
 
 
extern int flag_rtti;
extern int flag_rtti;
 
 
/* Nonzero if we want to conserve space in the .o files.  We do this
/* Nonzero if we want to conserve space in the .o files.  We do this
   by putting uninitialized data and runtime initialized data into
   by putting uninitialized data and runtime initialized data into
   .common instead of .data at the expense of not flagging multiple
   .common instead of .data at the expense of not flagging multiple
   definitions.  */
   definitions.  */
 
 
extern int flag_conserve_space;
extern int flag_conserve_space;
 
 
/* Nonzero if we want to obey access control semantics.  */
/* Nonzero if we want to obey access control semantics.  */
 
 
extern int flag_access_control;
extern int flag_access_control;
 
 
/* Nonzero if we want to check the return value of new and avoid calling
/* Nonzero if we want to check the return value of new and avoid calling
   constructors if it is a null pointer.  */
   constructors if it is a null pointer.  */
 
 
extern int flag_check_new;
extern int flag_check_new;
 
 
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
   initialization variables.
   initialization variables.
   0: Old rules, set by -fno-for-scope.
   0: Old rules, set by -fno-for-scope.
   2: New ISO rules, set by -ffor-scope.
   2: New ISO rules, set by -ffor-scope.
   1: Try to implement new ISO rules, but with backup compatibility
   1: Try to implement new ISO rules, but with backup compatibility
   (and warnings).  This is the default, for now.  */
   (and warnings).  This is the default, for now.  */
 
 
extern int flag_new_for_scope;
extern int flag_new_for_scope;
 
 
/* Nonzero if we want to emit defined symbols with common-like linkage as
/* Nonzero if we want to emit defined symbols with common-like linkage as
   weak symbols where possible, in order to conform to C++ semantics.
   weak symbols where possible, in order to conform to C++ semantics.
   Otherwise, emit them as local symbols.  */
   Otherwise, emit them as local symbols.  */
 
 
extern int flag_weak;
extern int flag_weak;
 
 
/* 0 means we want the preprocessor to not emit line directives for
/* 0 means we want the preprocessor to not emit line directives for
   the current working directory.  1 means we want it to do it.  -1
   the current working directory.  1 means we want it to do it.  -1
   means we should decide depending on whether debugging information
   means we should decide depending on whether debugging information
   is being emitted or not.  */
   is being emitted or not.  */
 
 
extern int flag_working_directory;
extern int flag_working_directory;
 
 
/* Nonzero to use __cxa_atexit, rather than atexit, to register
/* Nonzero to use __cxa_atexit, rather than atexit, to register
   destructors for local statics and global objects.  */
   destructors for local statics and global objects.  */
 
 
extern int flag_use_cxa_atexit;
extern int flag_use_cxa_atexit;
 
 
/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling
/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling
   logic.  */
   logic.  */
 
 
extern int flag_use_cxa_get_exception_ptr;
extern int flag_use_cxa_get_exception_ptr;
 
 
/* Nonzero means make the default pedwarns warnings instead of errors.
/* Nonzero means make the default pedwarns warnings instead of errors.
   The value of this flag is ignored if -pedantic is specified.  */
   The value of this flag is ignored if -pedantic is specified.  */
 
 
extern int flag_permissive;
extern int flag_permissive;
 
 
/* Nonzero means to implement standard semantics for exception
/* Nonzero means to implement standard semantics for exception
   specifications, calling unexpected if an exception is thrown that
   specifications, calling unexpected if an exception is thrown that
   doesn't match the specification.  Zero means to treat them as
   doesn't match the specification.  Zero means to treat them as
   assertions and optimize accordingly, but not check them.  */
   assertions and optimize accordingly, but not check them.  */
 
 
extern int flag_enforce_eh_specs;
extern int flag_enforce_eh_specs;
 
 
/* Nonzero (the default) means to generate thread-safe code for
/* Nonzero (the default) means to generate thread-safe code for
   initializing local statics.  */
   initializing local statics.  */
 
 
extern int flag_threadsafe_statics;
extern int flag_threadsafe_statics;
 
 
/* Nonzero means warn about implicit declarations.  */
/* Nonzero means warn about implicit declarations.  */
 
 
extern int warn_implicit;
extern int warn_implicit;
 
 
/* Warn about using __null (as NULL in C++) as sentinel.  For code compiled
/* Warn about using __null (as NULL in C++) as sentinel.  For code compiled
   with GCC this doesn't matter as __null is guaranteed to have the right
   with GCC this doesn't matter as __null is guaranteed to have the right
   size.  */
   size.  */
 
 
extern int warn_strict_null_sentinel;
extern int warn_strict_null_sentinel;
 
 
/* Maximum template instantiation depth.  This limit is rather
/* Maximum template instantiation depth.  This limit is rather
   arbitrary, but it exists to limit the time it takes to notice
   arbitrary, but it exists to limit the time it takes to notice
   infinite template instantiations.  */
   infinite template instantiations.  */
 
 
extern int max_tinst_depth;
extern int max_tinst_depth;
 
 
/* Nonzero means the expression being parsed will never be evaluated.
/* Nonzero means the expression being parsed will never be evaluated.
   This is a count, since unevaluated expressions can nest.  */
   This is a count, since unevaluated expressions can nest.  */
 
 
extern int skip_evaluation;
extern int skip_evaluation;
 
 
/* C types are partitioned into three subsets: object, function, and
/* C types are partitioned into three subsets: object, function, and
   incomplete types.  */
   incomplete types.  */
#define C_TYPE_OBJECT_P(type) \
#define C_TYPE_OBJECT_P(type) \
  (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type))
  (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type))
 
 
#define C_TYPE_INCOMPLETE_P(type) \
#define C_TYPE_INCOMPLETE_P(type) \
  (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0)
  (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0)
 
 
#define C_TYPE_FUNCTION_P(type) \
#define C_TYPE_FUNCTION_P(type) \
  (TREE_CODE (type) == FUNCTION_TYPE)
  (TREE_CODE (type) == FUNCTION_TYPE)
 
 
/* For convenience we define a single macro to identify the class of
/* For convenience we define a single macro to identify the class of
   object or incomplete types.  */
   object or incomplete types.  */
#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \
#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \
  (!C_TYPE_FUNCTION_P (type))
  (!C_TYPE_FUNCTION_P (type))
 
 
/* Attribute table common to the C front ends.  */
/* Attribute table common to the C front ends.  */
extern const struct attribute_spec c_common_attribute_table[];
extern const struct attribute_spec c_common_attribute_table[];
extern const struct attribute_spec c_common_format_attribute_table[];
extern const struct attribute_spec c_common_format_attribute_table[];
 
 
/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
   ID is the identifier to use, NAME is the string.
   ID is the identifier to use, NAME is the string.
   TYPE_DEP indicates whether it depends on type of the function or not
   TYPE_DEP indicates whether it depends on type of the function or not
   (i.e. __PRETTY_FUNCTION__).  */
   (i.e. __PRETTY_FUNCTION__).  */
 
 
extern tree (*make_fname_decl) (tree, int);
extern tree (*make_fname_decl) (tree, int);
 
 
extern tree identifier_global_value (tree);
extern tree identifier_global_value (tree);
extern void record_builtin_type (enum rid, const char *, tree);
extern void record_builtin_type (enum rid, const char *, tree);
extern tree build_void_list_node (void);
extern tree build_void_list_node (void);
extern void start_fname_decls (void);
extern void start_fname_decls (void);
extern void finish_fname_decls (void);
extern void finish_fname_decls (void);
extern const char *fname_as_string (int);
extern const char *fname_as_string (int);
extern tree fname_decl (unsigned, tree);
extern tree fname_decl (unsigned, tree);
 
 
extern void check_function_arguments (tree, tree, tree);
extern void check_function_arguments (tree, tree, tree);
extern void check_function_arguments_recurse (void (*)
extern void check_function_arguments_recurse (void (*)
                                              (void *, tree,
                                              (void *, tree,
                                               unsigned HOST_WIDE_INT),
                                               unsigned HOST_WIDE_INT),
                                              void *, tree,
                                              void *, tree,
                                              unsigned HOST_WIDE_INT);
                                              unsigned HOST_WIDE_INT);
extern void check_function_format (tree, tree);
extern void check_function_format (tree, tree);
extern void set_Wformat (int);
extern void set_Wformat (int);
extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
extern int c_common_handle_option (size_t code, const char *arg, int value);
extern int c_common_handle_option (size_t code, const char *arg, int value);
extern bool c_common_missing_argument (const char *opt, size_t code);
extern bool c_common_missing_argument (const char *opt, size_t code);
extern tree c_common_type_for_mode (enum machine_mode, int);
extern tree c_common_type_for_mode (enum machine_mode, int);
extern tree c_common_type_for_size (unsigned int, int);
extern tree c_common_type_for_size (unsigned int, int);
extern tree c_common_unsigned_type (tree);
extern tree c_common_unsigned_type (tree);
extern tree c_common_signed_type (tree);
extern tree c_common_signed_type (tree);
extern tree c_common_signed_or_unsigned_type (int, tree);
extern tree c_common_signed_or_unsigned_type (int, tree);
extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
extern tree c_common_truthvalue_conversion (tree);
extern tree c_common_truthvalue_conversion (tree);
extern void c_apply_type_quals_to_decl (int, tree);
extern void c_apply_type_quals_to_decl (int, tree);
extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_alignof_expr (tree);
extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
/* Print an error message for invalid operands to arith operation CODE.
   NOP_EXPR is used as a special case (see truthvalue_conversion).  */
   NOP_EXPR is used as a special case (see truthvalue_conversion).  */
extern void binary_op_error (enum tree_code);
extern void binary_op_error (enum tree_code);
extern tree fix_string_type (tree);
extern tree fix_string_type (tree);
struct varray_head_tag;
struct varray_head_tag;
extern void constant_expression_warning (tree);
extern void constant_expression_warning (tree);
extern void strict_aliasing_warning(tree, tree, tree);
extern void strict_aliasing_warning(tree, tree, tree);
extern void empty_body_warning (tree, tree);
extern void empty_body_warning (tree, tree);
extern tree convert_and_check (tree, tree);
extern tree convert_and_check (tree, tree);
extern void overflow_warning (tree);
extern void overflow_warning (tree);
extern bool c_determine_visibility (tree);
extern bool c_determine_visibility (tree);
extern bool same_scalar_type_ignoring_signedness (tree, tree);
extern bool same_scalar_type_ignoring_signedness (tree, tree);
 
 
#define c_sizeof(T)  c_sizeof_or_alignof_type (T, true, 1)
#define c_sizeof(T)  c_sizeof_or_alignof_type (T, true, 1)
#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
 
 
/* Subroutine of build_binary_op, used for comparison operations.
/* Subroutine of build_binary_op, used for comparison operations.
   See if the operands have both been converted from subword integer types
   See if the operands have both been converted from subword integer types
   and, if so, perhaps change them both back to their original type.  */
   and, if so, perhaps change them both back to their original type.  */
extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *);
extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *);
 
 
extern tree pointer_int_sum (enum tree_code, tree, tree);
extern tree pointer_int_sum (enum tree_code, tree, tree);
extern unsigned int min_precision (tree, int);
extern unsigned int min_precision (tree, int);
 
 
/* Add qualifiers to a type, in the fashion for C.  */
/* Add qualifiers to a type, in the fashion for C.  */
extern tree c_build_qualified_type (tree, int);
extern tree c_build_qualified_type (tree, int);
 
 
/* Build tree nodes and builtin functions common to both C and C++ language
/* Build tree nodes and builtin functions common to both C and C++ language
   frontends.  */
   frontends.  */
extern void c_common_nodes_and_builtins (void);
extern void c_common_nodes_and_builtins (void);
 
 
extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
 
 
extern void disable_builtin_function (const char *);
extern void disable_builtin_function (const char *);
 
 
extern void set_compound_literal_name (tree decl);
extern void set_compound_literal_name (tree decl);
 
 
extern tree build_va_arg (tree, tree);
extern tree build_va_arg (tree, tree);
 
 
extern unsigned int c_common_init_options (unsigned int, const char **);
extern unsigned int c_common_init_options (unsigned int, const char **);
extern bool c_common_post_options (const char **);
extern bool c_common_post_options (const char **);
extern bool c_common_init (void);
extern bool c_common_init (void);
extern void c_common_finish (void);
extern void c_common_finish (void);
extern void c_common_parse_file (int);
extern void c_common_parse_file (int);
extern HOST_WIDE_INT c_common_get_alias_set (tree);
extern HOST_WIDE_INT c_common_get_alias_set (tree);
extern void c_register_builtin_type (tree, const char*);
extern void c_register_builtin_type (tree, const char*);
extern bool c_promoting_integer_type_p (tree);
extern bool c_promoting_integer_type_p (tree);
extern int self_promoting_args_p (tree);
extern int self_promoting_args_p (tree);
extern tree strip_array_types (tree);
extern tree strip_array_types (tree);
extern tree strip_pointer_operator (tree);
extern tree strip_pointer_operator (tree);
extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT);
extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT);
 
 
/* This is the basic parsing function.  */
/* This is the basic parsing function.  */
extern void c_parse_file (void);
extern void c_parse_file (void);
/* This is misnamed, it actually performs end-of-compilation processing.  */
/* This is misnamed, it actually performs end-of-compilation processing.  */
extern void finish_file (void);
extern void finish_file (void);
 
 
 
 
/* These macros provide convenient access to the various _STMT nodes.  */
/* These macros provide convenient access to the various _STMT nodes.  */
 
 
/* Nonzero if a given STATEMENT_LIST represents the outermost binding
/* Nonzero if a given STATEMENT_LIST represents the outermost binding
   if a statement expression.  */
   if a statement expression.  */
#define STATEMENT_LIST_STMT_EXPR(NODE) \
#define STATEMENT_LIST_STMT_EXPR(NODE) \
  TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE))
  TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE))
 
 
/* Nonzero if a label has been added to the statement list.  */
/* Nonzero if a label has been added to the statement list.  */
#define STATEMENT_LIST_HAS_LABEL(NODE) \
#define STATEMENT_LIST_HAS_LABEL(NODE) \
  TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE))
  TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE))
 
 
/* COMPOUND_LITERAL_EXPR accessors.  */
/* COMPOUND_LITERAL_EXPR accessors.  */
#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE)           \
#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE)           \
  TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
  TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
#define COMPOUND_LITERAL_EXPR_DECL(NODE)                        \
#define COMPOUND_LITERAL_EXPR_DECL(NODE)                        \
  DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
  DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
 
 
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
 
 
enum c_tree_code {
enum c_tree_code {
  C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE,
  C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE,
#include "c-common.def"
#include "c-common.def"
  LAST_C_TREE_CODE
  LAST_C_TREE_CODE
};
};
 
 
#undef DEFTREECODE
#undef DEFTREECODE
 
 
extern int anon_aggr_type_p (tree);
extern int anon_aggr_type_p (tree);
 
 
/* For a VAR_DECL that is an anonymous union, these are the various
/* For a VAR_DECL that is an anonymous union, these are the various
   sub-variables that make up the anonymous union.  */
   sub-variables that make up the anonymous union.  */
#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE))
#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE))
 
 
/* In a FIELD_DECL, nonzero if the decl was originally a bitfield.  */
/* In a FIELD_DECL, nonzero if the decl was originally a bitfield.  */
#define DECL_C_BIT_FIELD(NODE) \
#define DECL_C_BIT_FIELD(NODE) \
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1)
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1)
#define SET_DECL_C_BIT_FIELD(NODE) \
#define SET_DECL_C_BIT_FIELD(NODE) \
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1)
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1)
#define CLEAR_DECL_C_BIT_FIELD(NODE) \
#define CLEAR_DECL_C_BIT_FIELD(NODE) \
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
  (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
 
 
extern void emit_local_var (tree);
extern void emit_local_var (tree);
extern tree do_case (tree, tree);
extern tree do_case (tree, tree);
extern tree build_stmt (enum tree_code, ...);
extern tree build_stmt (enum tree_code, ...);
extern tree build_case_label (tree, tree, tree);
extern tree build_case_label (tree, tree, tree);
 
 
/* These functions must be defined by each front-end which implements
/* These functions must be defined by each front-end which implements
   a variant of the C language.  They are used in c-common.c.  */
   a variant of the C language.  They are used in c-common.c.  */
 
 
extern tree build_unary_op (enum tree_code, tree, int);
extern tree build_unary_op (enum tree_code, tree, int);
extern tree build_binary_op (enum tree_code, tree, tree, int);
extern tree build_binary_op (enum tree_code, tree, tree, int);
extern tree perform_integral_promotions (tree);
extern tree perform_integral_promotions (tree);
 
 
/* These functions must be defined by each front-end which implements
/* These functions must be defined by each front-end which implements
   a variant of the C language.  They are used by port files.  */
   a variant of the C language.  They are used by port files.  */
 
 
extern tree default_conversion (tree);
extern tree default_conversion (tree);
 
 
/* Given two integer or real types, return the type for their sum.
/* Given two integer or real types, return the type for their sum.
   Given two compatible ANSI C types, returns the merged type.  */
   Given two compatible ANSI C types, returns the merged type.  */
 
 
extern tree common_type (tree, tree);
extern tree common_type (tree, tree);
 
 
extern tree decl_constant_value (tree);
extern tree decl_constant_value (tree);
 
 
/* Handle increment and decrement of boolean types.  */
/* Handle increment and decrement of boolean types.  */
extern tree boolean_increment (enum tree_code, tree);
extern tree boolean_increment (enum tree_code, tree);
 
 
extern int case_compare (splay_tree_key, splay_tree_key);
extern int case_compare (splay_tree_key, splay_tree_key);
 
 
extern tree c_add_case_label (splay_tree, tree, tree, tree, tree);
extern tree c_add_case_label (splay_tree, tree, tree, tree, tree);
 
 
extern void c_do_switch_warnings (splay_tree, location_t, tree, tree);
extern void c_do_switch_warnings (splay_tree, location_t, tree, tree);
 
 
extern tree build_function_call (tree, tree);
extern tree build_function_call (tree, tree);
 
 
extern tree resolve_overloaded_builtin (tree, tree);
extern tree resolve_overloaded_builtin (tree, tree);
 
 
extern tree finish_label_address_expr (tree);
extern tree finish_label_address_expr (tree);
 
 
/* Same function prototype, but the C and C++ front ends have
/* Same function prototype, but the C and C++ front ends have
   different implementations.  Used in c-common.c.  */
   different implementations.  Used in c-common.c.  */
extern tree lookup_label (tree);
extern tree lookup_label (tree);
extern tree lookup_name (tree);
extern tree lookup_name (tree);
 
 
extern int vector_types_convertible_p (tree t1, tree t2);
extern int vector_types_convertible_p (tree t1, tree t2);
 
 
extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
 
 
extern tree c_staticp (tree);
extern tree c_staticp (tree);
 
 
extern void init_c_lex (void);
extern void init_c_lex (void);
 
 
extern void c_cpp_builtins (cpp_reader *);
extern void c_cpp_builtins (cpp_reader *);
 
 
/* Positive if an implicit `extern "C"' scope has just been entered;
/* Positive if an implicit `extern "C"' scope has just been entered;
   negative if such a scope has just been exited.  */
   negative if such a scope has just been exited.  */
extern GTY(()) int pending_lang_change;
extern GTY(()) int pending_lang_change;
 
 
/* Information recorded about each file examined during compilation.  */
/* Information recorded about each file examined during compilation.  */
 
 
struct c_fileinfo
struct c_fileinfo
{
{
  int time;     /* Time spent in the file.  */
  int time;     /* Time spent in the file.  */
 
 
  /* Flags used only by C++.
  /* Flags used only by C++.
     INTERFACE_ONLY nonzero means that we are in an "interface" section
     INTERFACE_ONLY nonzero means that we are in an "interface" section
     of the compiler.  INTERFACE_UNKNOWN nonzero means we cannot trust
     of the compiler.  INTERFACE_UNKNOWN nonzero means we cannot trust
     the value of INTERFACE_ONLY.  If INTERFACE_UNKNOWN is zero and
     the value of INTERFACE_ONLY.  If INTERFACE_UNKNOWN is zero and
     INTERFACE_ONLY is zero, it means that we are responsible for
     INTERFACE_ONLY is zero, it means that we are responsible for
     exporting definitions that others might need.  */
     exporting definitions that others might need.  */
  short interface_only;
  short interface_only;
  short interface_unknown;
  short interface_unknown;
};
};
 
 
struct c_fileinfo *get_fileinfo (const char *);
struct c_fileinfo *get_fileinfo (const char *);
extern void dump_time_statistics (void);
extern void dump_time_statistics (void);
 
 
extern bool c_dump_tree (void *, tree);
extern bool c_dump_tree (void *, tree);
 
 
extern void c_warn_unused_result (tree *);
extern void c_warn_unused_result (tree *);
 
 
extern void verify_sequence_points (tree);
extern void verify_sequence_points (tree);
 
 
extern tree fold_offsetof (tree, tree);
extern tree fold_offsetof (tree, tree);
 
 
/* Places where an lvalue, or modifiable lvalue, may be required.
/* Places where an lvalue, or modifiable lvalue, may be required.
   Used to select diagnostic messages in lvalue_error and
   Used to select diagnostic messages in lvalue_error and
   readonly_error.  */
   readonly_error.  */
enum lvalue_use {
enum lvalue_use {
  lv_assign,
  lv_assign,
  lv_increment,
  lv_increment,
  lv_decrement,
  lv_decrement,
  lv_addressof,
  lv_addressof,
  lv_asm
  lv_asm
};
};
 
 
extern void lvalue_error (enum lvalue_use);
extern void lvalue_error (enum lvalue_use);
 
 
extern int complete_array_type (tree *, tree, bool);
extern int complete_array_type (tree *, tree, bool);
 
 
extern tree builtin_type_for_size (int, bool);
extern tree builtin_type_for_size (int, bool);
 
 
extern void warn_array_subscript_with_type_char (tree);
extern void warn_array_subscript_with_type_char (tree);
 
 
/* In c-gimplify.c  */
/* In c-gimplify.c  */
extern void c_genericize (tree);
extern void c_genericize (tree);
extern int c_gimplify_expr (tree *, tree *, tree *);
extern int c_gimplify_expr (tree *, tree *, tree *);
extern tree c_build_bind_expr (tree, tree);
extern tree c_build_bind_expr (tree, tree);
 
 
/* In c-pch.c  */
/* In c-pch.c  */
extern void pch_init (void);
extern void pch_init (void);
extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd);
extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd);
extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd,
extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd,
                               const char *orig);
                               const char *orig);
extern void c_common_write_pch (void);
extern void c_common_write_pch (void);
extern void c_common_no_more_pch (void);
extern void c_common_no_more_pch (void);
extern void c_common_pch_pragma (cpp_reader *pfile, const char *);
extern void c_common_pch_pragma (cpp_reader *pfile, const char *);
extern void c_common_print_pch_checksum (FILE *f);
extern void c_common_print_pch_checksum (FILE *f);
 
 
/* In *-checksum.c */
/* In *-checksum.c */
extern const unsigned char executable_checksum[16];
extern const unsigned char executable_checksum[16];
 
 
extern void builtin_define_with_value (const char *, const char *, int);
extern void builtin_define_with_value (const char *, const char *, int);
extern void c_stddef_cpp_builtins (void);
extern void c_stddef_cpp_builtins (void);
extern void fe_file_change (const struct line_map *);
extern void fe_file_change (const struct line_map *);
extern void c_parse_error (const char *, enum cpp_ttype, tree);
extern void c_parse_error (const char *, enum cpp_ttype, tree);
 
 
/* Objective-C / Objective-C++ entry points.  */
/* Objective-C / Objective-C++ entry points.  */
 
 
/* The following ObjC/ObjC++ functions are called by the C and/or C++
/* The following ObjC/ObjC++ functions are called by the C and/or C++
   front-ends; they all must have corresponding stubs in stub-objc.c.  */
   front-ends; they all must have corresponding stubs in stub-objc.c.  */
extern tree objc_is_class_name (tree);
extern tree objc_is_class_name (tree);
extern tree objc_is_object_ptr (tree);
extern tree objc_is_object_ptr (tree);
extern void objc_check_decl (tree);
extern void objc_check_decl (tree);
extern int objc_is_reserved_word (tree);
extern int objc_is_reserved_word (tree);
extern bool objc_compare_types (tree, tree, int, tree);
extern bool objc_compare_types (tree, tree, int, tree);
extern void objc_volatilize_decl (tree);
extern void objc_volatilize_decl (tree);
extern bool objc_type_quals_match (tree, tree);
extern bool objc_type_quals_match (tree, tree);
extern tree objc_rewrite_function_call (tree, tree);
extern tree objc_rewrite_function_call (tree, tree);
extern tree objc_message_selector (void);
extern tree objc_message_selector (void);
extern tree objc_lookup_ivar (tree, tree);
extern tree objc_lookup_ivar (tree, tree);
extern void objc_clear_super_receiver (void);
extern void objc_clear_super_receiver (void);
extern int objc_is_public (tree, tree);
extern int objc_is_public (tree, tree);
extern tree objc_is_id (tree);
extern tree objc_is_id (tree);
extern void objc_declare_alias (tree, tree);
extern void objc_declare_alias (tree, tree);
extern void objc_declare_class (tree);
extern void objc_declare_class (tree);
extern void objc_declare_protocols (tree);
extern void objc_declare_protocols (tree);
extern tree objc_build_message_expr (tree);
extern tree objc_build_message_expr (tree);
extern tree objc_finish_message_expr (tree, tree, tree);
extern tree objc_finish_message_expr (tree, tree, tree);
extern tree objc_build_selector_expr (tree);
extern tree objc_build_selector_expr (tree);
extern tree objc_build_protocol_expr (tree);
extern tree objc_build_protocol_expr (tree);
extern tree objc_build_encode_expr (tree);
extern tree objc_build_encode_expr (tree);
extern tree objc_build_string_object (tree);
extern tree objc_build_string_object (tree);
extern tree objc_get_protocol_qualified_type (tree, tree);
extern tree objc_get_protocol_qualified_type (tree, tree);
extern tree objc_get_class_reference (tree);
extern tree objc_get_class_reference (tree);
extern tree objc_get_class_ivars (tree);
extern tree objc_get_class_ivars (tree);
extern void objc_start_class_interface (tree, tree, tree);
extern void objc_start_class_interface (tree, tree, tree);
extern void objc_start_category_interface (tree, tree, tree);
extern void objc_start_category_interface (tree, tree, tree);
extern void objc_start_protocol (tree, tree);
extern void objc_start_protocol (tree, tree);
extern void objc_continue_interface (void);
extern void objc_continue_interface (void);
extern void objc_finish_interface (void);
extern void objc_finish_interface (void);
extern void objc_start_class_implementation (tree, tree);
extern void objc_start_class_implementation (tree, tree);
extern void objc_start_category_implementation (tree, tree);
extern void objc_start_category_implementation (tree, tree);
extern void objc_continue_implementation (void);
extern void objc_continue_implementation (void);
extern void objc_finish_implementation (void);
extern void objc_finish_implementation (void);
extern void objc_set_visibility (int);
extern void objc_set_visibility (int);
extern void objc_set_method_type (enum tree_code);
extern void objc_set_method_type (enum tree_code);
extern tree objc_build_method_signature (tree, tree, tree, bool);
extern tree objc_build_method_signature (tree, tree, tree, bool);
extern void objc_add_method_declaration (tree);
extern void objc_add_method_declaration (tree);
extern void objc_start_method_definition (tree);
extern void objc_start_method_definition (tree);
extern void objc_finish_method_definition (tree);
extern void objc_finish_method_definition (tree);
extern void objc_add_instance_variable (tree);
extern void objc_add_instance_variable (tree);
extern tree objc_build_keyword_decl (tree, tree, tree);
extern tree objc_build_keyword_decl (tree, tree, tree);
extern tree objc_build_throw_stmt (tree);
extern tree objc_build_throw_stmt (tree);
extern void objc_begin_try_stmt (location_t, tree);
extern void objc_begin_try_stmt (location_t, tree);
extern tree objc_finish_try_stmt (void);
extern tree objc_finish_try_stmt (void);
extern void objc_begin_catch_clause (tree);
extern void objc_begin_catch_clause (tree);
extern void objc_finish_catch_clause (void);
extern void objc_finish_catch_clause (void);
extern void objc_build_finally_clause (location_t, tree);
extern void objc_build_finally_clause (location_t, tree);
extern tree objc_build_synchronized (location_t, tree, tree);
extern tree objc_build_synchronized (location_t, tree, tree);
extern int objc_static_init_needed_p (void);
extern int objc_static_init_needed_p (void);
extern tree objc_generate_static_init_call (tree);
extern tree objc_generate_static_init_call (tree);
extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
 
 
/* The following are provided by the C and C++ front-ends, and called by
/* The following are provided by the C and C++ front-ends, and called by
   ObjC/ObjC++.  */
   ObjC/ObjC++.  */
extern void *objc_get_current_scope (void);
extern void *objc_get_current_scope (void);
extern void objc_mark_locals_volatile (void *);
extern void objc_mark_locals_volatile (void *);
 
 
/* In c-ppoutput.c  */
/* In c-ppoutput.c  */
extern void init_pp_output (FILE *);
extern void init_pp_output (FILE *);
extern void preprocess_file (cpp_reader *);
extern void preprocess_file (cpp_reader *);
extern void pp_file_change (const struct line_map *);
extern void pp_file_change (const struct line_map *);
extern void pp_dir_change (cpp_reader *, const char *);
extern void pp_dir_change (cpp_reader *, const char *);
extern bool check_missing_format_attribute (tree, tree);
extern bool check_missing_format_attribute (tree, tree);
 
 
/* In c-omp.c  */
/* In c-omp.c  */
extern tree c_finish_omp_master (tree);
extern tree c_finish_omp_master (tree);
extern tree c_finish_omp_critical (tree, tree);
extern tree c_finish_omp_critical (tree, tree);
extern tree c_finish_omp_ordered (tree);
extern tree c_finish_omp_ordered (tree);
extern void c_finish_omp_barrier (void);
extern void c_finish_omp_barrier (void);
extern tree c_finish_omp_atomic (enum tree_code, tree, tree);
extern tree c_finish_omp_atomic (enum tree_code, tree, tree);
extern void c_finish_omp_flush (void);
extern void c_finish_omp_flush (void);
extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree);
extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree);
extern void c_split_parallel_clauses (tree, tree *, tree *);
extern void c_split_parallel_clauses (tree, tree *, tree *);
extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree);
extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree);
 
 
/* Not in c-omp.c; provided by the front end.  */
/* Not in c-omp.c; provided by the front end.  */
extern bool c_omp_sharing_predetermined (tree);
extern bool c_omp_sharing_predetermined (tree);
extern tree c_omp_remap_decl (tree, bool);
extern tree c_omp_remap_decl (tree, bool);
 
 
/* In order for the format checking to accept the C frontend
/* In order for the format checking to accept the C frontend
   diagnostic framework extensions, you must include this file before
   diagnostic framework extensions, you must include this file before
   toplev.h, not after.  The C front end formats are a subset of those
   toplev.h, not after.  The C front end formats are a subset of those
   for C++, so they are the appropriate set to use in common code;
   for C++, so they are the appropriate set to use in common code;
   cp-tree.h overrides this for C++.  */
   cp-tree.h overrides this for C++.  */
#ifndef GCC_DIAG_STYLE
#ifndef GCC_DIAG_STYLE
#define GCC_DIAG_STYLE __gcc_cdiag__
#define GCC_DIAG_STYLE __gcc_cdiag__
#endif
#endif
 
 
#endif /* ! GCC_C_COMMON_H */
#endif /* ! GCC_C_COMMON_H */
 
 

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