diff gcc/c-family/c-pretty-print.c @ 68:561a7518be6b

update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children b3cfc7733d3f 04ced10e8804
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/c-family/c-pretty-print.c	Sun Aug 21 07:07:55 2011 +0900
@@ -0,0 +1,2317 @@
+/* Subroutines common to both C and C++ pretty-printers.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
+   Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+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 3, 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "intl.h"
+#include "c-pretty-print.h"
+#include "tree-pretty-print.h"
+#include "tree-iterator.h"
+#include "diagnostic.h"
+
+/* Translate if being used for diagnostics, but not for dump files or
+   __PRETTY_FUNCTION.  */
+#define M_(msgid) (pp_translate_identifiers (pp) ? _(msgid) : (msgid))
+
+/* The pretty-printer code is primarily designed to closely follow
+   (GNU) C and C++ grammars.  That is to be contrasted with spaghetti
+   codes we used to have in the past.  Following a structured
+   approach (preferably the official grammars) is believed to make it
+   much easier to add extensions and nifty pretty-printing effects that
+   takes expression or declaration contexts into account.  */
+
+
+#define pp_c_maybe_whitespace(PP)            \
+   do {                                      \
+     if (pp_base (PP)->padding == pp_before) \
+       pp_c_whitespace (PP);                 \
+   } while (0)
+
+/* literal  */
+static void pp_c_char (c_pretty_printer *, int);
+
+/* postfix-expression  */
+static void pp_c_initializer_list (c_pretty_printer *, tree);
+static void pp_c_brace_enclosed_initializer_list (c_pretty_printer *, tree);
+
+static void pp_c_multiplicative_expression (c_pretty_printer *, tree);
+static void pp_c_additive_expression (c_pretty_printer *, tree);
+static void pp_c_shift_expression (c_pretty_printer *, tree);
+static void pp_c_relational_expression (c_pretty_printer *, tree);
+static void pp_c_equality_expression (c_pretty_printer *, tree);
+static void pp_c_and_expression (c_pretty_printer *, tree);
+static void pp_c_exclusive_or_expression (c_pretty_printer *, tree);
+static void pp_c_inclusive_or_expression (c_pretty_printer *, tree);
+static void pp_c_logical_and_expression (c_pretty_printer *, tree);
+static void pp_c_conditional_expression (c_pretty_printer *, tree);
+static void pp_c_assignment_expression (c_pretty_printer *, tree);
+
+/* declarations.  */
+
+
+/* Helper functions.  */
+
+void
+pp_c_whitespace (c_pretty_printer *pp)
+{
+  pp_space (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_left_paren (c_pretty_printer *pp)
+{
+  pp_left_paren (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_right_paren (c_pretty_printer *pp)
+{
+  pp_right_paren (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_left_brace (c_pretty_printer *pp)
+{
+  pp_left_brace (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_right_brace (c_pretty_printer *pp)
+{
+  pp_right_brace (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_left_bracket (c_pretty_printer *pp)
+{
+  pp_left_bracket (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_right_bracket (c_pretty_printer *pp)
+{
+  pp_right_bracket (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_dot (c_pretty_printer *pp)
+{
+  pp_dot (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_ampersand (c_pretty_printer *pp)
+{
+  pp_ampersand (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_star (c_pretty_printer *pp)
+{
+  pp_star (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_arrow (c_pretty_printer *pp)
+{
+  pp_arrow (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_semicolon (c_pretty_printer *pp)
+{
+  pp_semicolon (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_complement (c_pretty_printer *pp)
+{
+  pp_complement (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+void
+pp_c_exclamation (c_pretty_printer *pp)
+{
+  pp_exclamation (pp);
+  pp_base (pp)->padding = pp_none;
+}
+
+/* Print out the external representation of QUALIFIERS.  */
+
+void
+pp_c_cv_qualifiers (c_pretty_printer *pp, int qualifiers, bool func_type)
+{
+  const char *p = pp_last_position_in_text (pp);
+  bool previous = false;
+
+  if (!qualifiers)
+    return;
+
+  /* The C programming language does not have references, but it is much
+     simpler to handle those here rather than going through the same
+     logic in the C++ pretty-printer.  */
+  if (p != NULL && (*p == '*' || *p == '&'))
+    pp_c_whitespace (pp);
+
+  if (qualifiers & TYPE_QUAL_CONST)
+    {
+      pp_c_ws_string (pp, func_type ? "__attribute__((const))" : "const");
+      previous = true;
+    }
+
+  if (qualifiers & TYPE_QUAL_VOLATILE)
+    {
+      if (previous)
+        pp_c_whitespace (pp);
+      pp_c_ws_string (pp, func_type ? "__attribute__((noreturn))" : "volatile");
+      previous = true;
+    }
+
+  if (qualifiers & TYPE_QUAL_RESTRICT)
+    {
+      if (previous)
+        pp_c_whitespace (pp);
+      pp_c_ws_string (pp, flag_isoc99 ? "restrict" : "__restrict__");
+    }
+}
+
+/* Pretty-print T using the type-cast notation '( type-name )'.  */
+
+static void
+pp_c_type_cast (c_pretty_printer *pp, tree t)
+{
+  pp_c_left_paren (pp);
+  pp_type_id (pp, t);
+  pp_c_right_paren (pp);
+}
+
+/* We're about to pretty-print a pointer type as indicated by T.
+   Output a whitespace, if needed, preparing for subsequent output.  */
+
+void
+pp_c_space_for_pointer_operator (c_pretty_printer *pp, tree t)
+{
+  if (POINTER_TYPE_P (t))
+    {
+      tree pointee = strip_pointer_operator (TREE_TYPE (t));
+      if (TREE_CODE (pointee) != ARRAY_TYPE
+	  && TREE_CODE (pointee) != FUNCTION_TYPE)
+	pp_c_whitespace (pp);
+    }
+}
+
+
+/* Declarations.  */
+
+/* C++ cv-qualifiers are called type-qualifiers in C.  Print out the
+   cv-qualifiers of T.  If T is a declaration then it is the cv-qualifier
+   of its type.  Take care of possible extensions.
+
+   type-qualifier-list:
+       type-qualifier
+       type-qualifier-list type-qualifier
+
+   type-qualifier:
+       const
+       restrict                              -- C99
+       __restrict__                          -- GNU C
+       address-space-qualifier		     -- GNU C
+       volatile
+
+   address-space-qualifier:
+       identifier			     -- GNU C  */
+
+void
+pp_c_type_qualifier_list (c_pretty_printer *pp, tree t)
+{
+  int qualifiers;
+
+  if (!t || t == error_mark_node)
+    return;
+
+  if (!TYPE_P (t))
+    t = TREE_TYPE (t);
+
+  qualifiers = TYPE_QUALS (t);
+  pp_c_cv_qualifiers (pp, qualifiers,
+		      TREE_CODE (t) == FUNCTION_TYPE);
+
+  if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (t)))
+    {
+      const char *as = c_addr_space_name (TYPE_ADDR_SPACE (t));
+      pp_c_identifier (pp, as);
+    }
+}
+
+/* pointer:
+      * type-qualifier-list(opt)
+      * type-qualifier-list(opt) pointer  */
+
+static void
+pp_c_pointer (c_pretty_printer *pp, tree t)
+{
+  if (!TYPE_P (t) && TREE_CODE (t) != TYPE_DECL)
+    t = TREE_TYPE (t);
+  switch (TREE_CODE (t))
+    {
+    case POINTER_TYPE:
+      /* It is easier to handle C++ reference types here.  */
+    case REFERENCE_TYPE:
+      if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE)
+	pp_c_pointer (pp, TREE_TYPE (t));
+      if (TREE_CODE (t) == POINTER_TYPE)
+	pp_c_star (pp);
+      else
+	pp_c_ampersand (pp);
+      pp_c_type_qualifier_list (pp, t);
+      break;
+
+      /* ??? This node is now in GENERIC and so shouldn't be here.  But
+	 we'll fix that later.  */
+    case DECL_EXPR:
+      pp_declaration (pp, DECL_EXPR_DECL (t));
+      pp_needs_newline (pp) = true;
+      break;
+
+    default:
+      pp_unsupported_tree (pp, t);
+    }
+}
+
+/* type-specifier:
+      void
+      char
+      short
+      int
+      long
+      float
+      double
+      signed
+      unsigned
+      _Bool                          -- C99
+      _Complex                       -- C99
+      _Imaginary                     -- C99
+      struct-or-union-specifier
+      enum-specifier
+      typedef-name.
+
+  GNU extensions.
+  simple-type-specifier:
+      __complex__
+      __vector__   */
+
+void
+pp_c_type_specifier (c_pretty_printer *pp, tree t)
+{
+  const enum tree_code code = TREE_CODE (t);
+  switch (code)
+    {
+    case ERROR_MARK:
+      pp_c_ws_string (pp, M_("<type-error>"));
+      break;
+
+    case IDENTIFIER_NODE:
+      pp_c_tree_decl_identifier (pp, t);
+      break;
+
+    case VOID_TYPE:
+    case BOOLEAN_TYPE:
+    case INTEGER_TYPE:
+    case REAL_TYPE:
+    case FIXED_POINT_TYPE:
+      if (TYPE_NAME (t))
+	{
+	  t = TYPE_NAME (t);
+	  pp_c_type_specifier (pp, t);
+	}
+      else
+	{
+	  int prec = TYPE_PRECISION (t);
+	  if (ALL_FIXED_POINT_MODE_P (TYPE_MODE (t)))
+	    t = c_common_type_for_mode (TYPE_MODE (t), TYPE_SATURATING (t));
+	  else
+	    t = c_common_type_for_mode (TYPE_MODE (t), TYPE_UNSIGNED (t));
+	  if (TYPE_NAME (t))
+	    {
+	      pp_c_type_specifier (pp, t);
+	      if (TYPE_PRECISION (t) != prec)
+		{
+		  pp_string (pp, ":");
+		  pp_decimal_int (pp, prec);
+		}
+	    }
+	  else
+	    {
+	      switch (code)
+		{
+		case INTEGER_TYPE:
+		  pp_string (pp, (TYPE_UNSIGNED (t)
+				  ? M_("<unnamed-unsigned:")
+				  : M_("<unnamed-signed:")));
+		  break;
+		case REAL_TYPE:
+		  pp_string (pp, M_("<unnamed-float:"));
+		  break;
+		case FIXED_POINT_TYPE:
+		  pp_string (pp, M_("<unnamed-fixed:"));
+		  break;
+		default:
+		  gcc_unreachable ();
+		}
+	      pp_decimal_int (pp, prec);
+	      pp_string (pp, ">");
+	    }
+	}
+      break;
+
+    case TYPE_DECL:
+      if (DECL_NAME (t))
+	pp_id_expression (pp, t);
+      else
+	pp_c_ws_string (pp, M_("<typedef-error>"));
+      break;
+
+    case UNION_TYPE:
+    case RECORD_TYPE:
+    case ENUMERAL_TYPE:
+      if (code == UNION_TYPE)
+	pp_c_ws_string (pp, "union");
+      else if (code == RECORD_TYPE)
+	pp_c_ws_string (pp, "struct");
+      else if (code == ENUMERAL_TYPE)
+	pp_c_ws_string (pp, "enum");
+      else
+	pp_c_ws_string (pp, M_("<tag-error>"));
+
+      if (TYPE_NAME (t))
+	pp_id_expression (pp, TYPE_NAME (t));
+      else
+	pp_c_ws_string (pp, M_("<anonymous>"));
+      break;
+
+    default:
+      pp_unsupported_tree (pp, t);
+      break;
+    }
+}
+
+/* specifier-qualifier-list:
+      type-specifier specifier-qualifier-list-opt
+      type-qualifier specifier-qualifier-list-opt
+
+
+  Implementation note:  Because of the non-linearities in array or
+  function declarations, this routine prints not just the
+  specifier-qualifier-list of such entities or types of such entities,
+  but also the 'pointer' production part of their declarators.  The
+  remaining part is done by pp_declarator or pp_c_abstract_declarator.  */
+
+void
+pp_c_specifier_qualifier_list (c_pretty_printer *pp, tree t)
+{
+  const enum tree_code code = TREE_CODE (t);
+
+  if (TREE_CODE (t) != POINTER_TYPE)
+    pp_c_type_qualifier_list (pp, t);
+  switch (code)
+    {
+    case REFERENCE_TYPE:
+    case POINTER_TYPE:
+      {
+	/* Get the types-specifier of this type.  */
+	tree pointee = strip_pointer_operator (TREE_TYPE (t));
+	pp_c_specifier_qualifier_list (pp, pointee);
+	if (TREE_CODE (pointee) == ARRAY_TYPE
+	    || TREE_CODE (pointee) == FUNCTION_TYPE)
+	  {
+	    pp_c_whitespace (pp);
+	    pp_c_left_paren (pp);
+	  }
+	else if (!c_dialect_cxx ())
+	  pp_c_whitespace (pp);
+	pp_ptr_operator (pp, t);
+      }
+      break;
+
+    case FUNCTION_TYPE:
+    case ARRAY_TYPE:
+      pp_c_specifier_qualifier_list (pp, TREE_TYPE (t));
+      break;
+
+    case VECTOR_TYPE:
+    case COMPLEX_TYPE:
+      if (code == COMPLEX_TYPE)
+	pp_c_ws_string (pp, flag_isoc99 ? "_Complex" : "__complex__");
+      else if (code == VECTOR_TYPE)
+	{
+	  pp_c_ws_string (pp, "__vector");
+	  pp_c_left_paren (pp);
+	  pp_wide_integer (pp, TYPE_VECTOR_SUBPARTS (t));
+	  pp_c_right_paren (pp);
+	  pp_c_whitespace (pp);
+	}
+      pp_c_specifier_qualifier_list (pp, TREE_TYPE (t));
+      break;
+
+    default:
+      pp_simple_type_specifier (pp, t);
+      break;
+    }
+}
+
+/* parameter-type-list:
+      parameter-list
+      parameter-list , ...
+
+   parameter-list:
+      parameter-declaration
+      parameter-list , parameter-declaration
+
+   parameter-declaration:
+      declaration-specifiers declarator
+      declaration-specifiers abstract-declarator(opt)   */
+
+void
+pp_c_parameter_type_list (c_pretty_printer *pp, tree t)
+{
+  bool want_parm_decl = DECL_P (t) && !(pp->flags & pp_c_flag_abstract);
+  tree parms = want_parm_decl ? DECL_ARGUMENTS (t) :  TYPE_ARG_TYPES (t);
+  pp_c_left_paren (pp);
+  if (parms == void_list_node)
+    pp_c_ws_string (pp, "void");
+  else
+    {
+      bool first = true;
+      for ( ; parms && parms != void_list_node; parms = TREE_CHAIN (parms))
+	{
+	  if (!first)
+	    pp_separate_with (pp, ',');
+	  first = false;
+	  pp_declaration_specifiers
+	    (pp, want_parm_decl ? parms : TREE_VALUE (parms));
+	  if (want_parm_decl)
+	    pp_declarator (pp, parms);
+	  else
+	    pp_abstract_declarator (pp, TREE_VALUE (parms));
+	}
+    }
+  pp_c_right_paren (pp);
+}
+
+/* abstract-declarator:
+      pointer
+      pointer(opt) direct-abstract-declarator  */
+
+static void
+pp_c_abstract_declarator (c_pretty_printer *pp, tree t)
+{
+  if (TREE_CODE (t) == POINTER_TYPE)
+    {
+      if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE
+	  || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE)
+	pp_c_right_paren (pp);
+      t = TREE_TYPE (t);
+    }
+
+  pp_direct_abstract_declarator (pp, t);
+}
+
+/* direct-abstract-declarator:
+      ( abstract-declarator )
+      direct-abstract-declarator(opt) [ assignment-expression(opt) ]
+      direct-abstract-declarator(opt) [ * ]
+      direct-abstract-declarator(opt) ( parameter-type-list(opt) )  */
+
+void
+pp_c_direct_abstract_declarator (c_pretty_printer *pp, tree t)
+{
+  switch (TREE_CODE (t))
+    {
+    case POINTER_TYPE:
+      pp_abstract_declarator (pp, t);
+      break;
+
+    case FUNCTION_TYPE:
+      pp_c_parameter_type_list (pp, t);
+      pp_direct_abstract_declarator (pp, TREE_TYPE (t));
+      break;
+
+    case ARRAY_TYPE:
+      pp_c_left_bracket (pp);
+      if (TYPE_DOMAIN (t) && TYPE_MAX_VALUE (TYPE_DOMAIN (t)))
+	{
+	  tree maxval = TYPE_MAX_VALUE (TYPE_DOMAIN (t));
+	  tree type = TREE_TYPE (maxval);
+
+	  if (host_integerp (maxval, 0))
+	    pp_wide_integer (pp, tree_low_cst (maxval, 0) + 1);
+	  else
+	    pp_expression (pp, fold_build2 (PLUS_EXPR, type, maxval,
+					    build_int_cst (type, 1)));
+	}
+      pp_c_right_bracket (pp);
+      pp_direct_abstract_declarator (pp, TREE_TYPE (t));
+      break;
+
+    case IDENTIFIER_NODE:
+    case VOID_TYPE:
+    case BOOLEAN_TYPE:
+    case INTEGER_TYPE:
+    case REAL_TYPE:
+    case FIXED_POINT_TYPE:
+    case ENUMERAL_TYPE:
+    case RECORD_TYPE:
+    case UNION_TYPE:
+    case VECTOR_TYPE:
+    case COMPLEX_TYPE:
+    case TYPE_DECL:
+      break;
+
+    default:
+      pp_unsupported_tree (pp, t);
+      break;
+    }
+}
+
+/* type-name:
+      specifier-qualifier-list  abstract-declarator(opt)  */
+
+void
+pp_c_type_id (c_pretty_printer *pp, tree t)
+{
+  pp_c_specifier_qualifier_list (pp, t);
+  pp_abstract_declarator (pp, t);
+}
+
+/* storage-class-specifier:
+      typedef
+      extern
+      static
+      auto
+      register  */
+
+void
+pp_c_storage_class_specifier (c_pretty_printer *pp, tree t)
+{
+  if (TREE_CODE (t) == TYPE_DECL)
+    pp_c_ws_string (pp, "typedef");
+  else if (DECL_P (t))
+    {
+      if (DECL_REGISTER (t))
+	pp_c_ws_string (pp, "register");
+      else if (TREE_STATIC (t) && TREE_CODE (t) == VAR_DECL)
+	pp_c_ws_string (pp, "static");
+    }
+}
+
+/* function-specifier:
+      inline   */
+
+void
+pp_c_function_specifier (c_pretty_printer *pp, tree t)
+{
+  if (TREE_CODE (t) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (t))
+    pp_c_ws_string (pp, "inline");
+}
+
+/* declaration-specifiers:
+      storage-class-specifier declaration-specifiers(opt)
+      type-specifier declaration-specifiers(opt)
+      type-qualifier declaration-specifiers(opt)
+      function-specifier declaration-specifiers(opt)  */
+
+void
+pp_c_declaration_specifiers (c_pretty_printer *pp, tree t)
+{
+  pp_storage_class_specifier (pp, t);
+  pp_function_specifier (pp, t);
+  pp_c_specifier_qualifier_list (pp, DECL_P (t) ?  TREE_TYPE (t) : t);
+}
+
+/* direct-declarator
+      identifier
+      ( declarator )
+      direct-declarator [ type-qualifier-list(opt) assignment-expression(opt) ]
+      direct-declarator [ static type-qualifier-list(opt) assignment-expression(opt)]
+      direct-declarator [ type-qualifier-list static assignment-expression ]
+      direct-declarator [ type-qualifier-list * ]
+      direct-declarator ( parameter-type-list )
+      direct-declarator ( identifier-list(opt) )  */
+
+void
+pp_c_direct_declarator (c_pretty_printer *pp, tree t)
+{
+  switch (TREE_CODE (t))
+    {
+    case VAR_DECL:
+    case PARM_DECL:
+    case TYPE_DECL:
+    case FIELD_DECL:
+    case LABEL_DECL:
+      pp_c_space_for_pointer_operator (pp, TREE_TYPE (t));
+      pp_c_tree_decl_identifier (pp, t);
+      break;
+
+    case ARRAY_TYPE:
+    case POINTER_TYPE:
+      pp_abstract_declarator (pp, TREE_TYPE (t));
+      break;
+
+    case FUNCTION_TYPE:
+      pp_parameter_list (pp, t);
+      pp_abstract_declarator (pp, TREE_TYPE (t));
+      break;
+
+    case FUNCTION_DECL:
+      pp_c_space_for_pointer_operator (pp, TREE_TYPE (TREE_TYPE (t)));
+      pp_c_tree_decl_identifier (pp, t);
+      if (pp_c_base (pp)->flags & pp_c_flag_abstract)
+	pp_abstract_declarator (pp, TREE_TYPE (t));
+      else
+	{
+	  pp_parameter_list (pp, t);
+	  pp_abstract_declarator (pp, TREE_TYPE (TREE_TYPE (t)));
+	}
+      break;
+
+    case INTEGER_TYPE:
+    case REAL_TYPE:
+    case FIXED_POINT_TYPE:
+    case ENUMERAL_TYPE:
+    case UNION_TYPE:
+    case RECORD_TYPE:
+      break;
+
+    default:
+      pp_unsupported_tree (pp, t);
+      break;
+    }
+}
+
+
+/* declarator:
+      pointer(opt)  direct-declarator   */
+
+void
+pp_c_declarator (c_pretty_printer *pp, tree t)
+{
+  switch (TREE_CODE (t))
+    {
+    case INTEGER_TYPE:
+    case REAL_TYPE:
+    case FIXED_POINT_TYPE:
+    case ENUMERAL_TYPE:
+    case UNION_TYPE:
+    case RECORD_TYPE:
+      break;
+
+    case VAR_DECL:
+    case PARM_DECL:
+    case FIELD_DECL:
+    case ARRAY_TYPE:
+    case FUNCTION_TYPE:
+    case FUNCTION_DECL:
+    case TYPE_DECL:
+      pp_direct_declarator (pp, t);
+    break;
+
+
+    default:
+      pp_unsupported_tree (pp, t);
+      break;
+    }
+}
+
+/* declaration:
+      declaration-specifiers init-declarator-list(opt) ;  */
+
+void
+pp_c_declaration (c_pretty_printer *pp, tree t)
+{
+  pp_declaration_specifiers (pp, t);
+  pp_c_init_declarator (pp, t);
+}
+
+/* Pretty-print ATTRIBUTES using GNU C extension syntax.  */
+
+void
+pp_c_attributes (c_pretty_printer *pp, tree attributes)
+{
+  if (attributes == NULL_TREE)
+    return;
+
+  pp_c_ws_string (pp, "__attribute__");
+  pp_c_left_paren (pp);
+  pp_c_left_paren (pp);
+  for (; attributes != NULL_TREE; attributes = TREE_CHAIN (attributes))
+    {
+      pp_tree_identifier (pp, TREE_PURPOSE (attributes));
+      if (TREE_VALUE (attributes))
+	pp_c_call_argument_list (pp, TREE_VALUE (attributes));
+
+      if (TREE_CHAIN (attributes))
+	pp_separate_with (pp, ',');
+    }
+  pp_c_right_paren (pp);
+  pp_c_right_paren (pp);
+}
+
+/* function-definition:
+      declaration-specifiers declarator compound-statement  */
+
+void
+pp_c_function_definition (c_pretty_printer *pp, tree t)
+{
+  pp_declaration_specifiers (pp, t);
+  pp_declarator (pp, t);
+  pp_needs_newline (pp) = true;
+  pp_statement (pp, DECL_SAVED_TREE (t));
+  pp_newline (pp);
+  pp_flush (pp);
+}
+
+
+/* Expressions.  */
+
+/* Print out a c-char.  This is called solely for characters which are
+   in the *target* execution character set.  We ought to convert them
+   back to the *host* execution character set before printing, but we
+   have no way to do this at present.  A decent compromise is to print
+   all characters as if they were in the host execution character set,
+   and not attempt to recover any named escape characters, but render
+   all unprintables as octal escapes.  If the host and target character
+   sets are the same, this produces relatively readable output.  If they
+   are not the same, strings may appear as gibberish, but that's okay
+   (in fact, it may well be what the reader wants, e.g. if they are looking
+   to see if conversion to the target character set happened correctly).
+
+   A special case: we need to prefix \, ", and ' with backslashes.  It is
+   correct to do so for the *host*'s \, ", and ', because the rest of the
+   file appears in the host character set.  */
+
+static void
+pp_c_char (c_pretty_printer *pp, int c)
+{
+  if (ISPRINT (c))
+    {
+      switch (c)
+	{
+	case '\\': pp_string (pp, "\\\\"); break;
+	case '\'': pp_string (pp, "\\\'"); break;
+	case '\"': pp_string (pp, "\\\""); break;
+	default:   pp_character (pp, c);
+	}
+    }
+  else
+    pp_scalar (pp, "\\%03o", (unsigned) c);
+}
+
+/* Print out a STRING literal.  */
+
+void
+pp_c_string_literal (c_pretty_printer *pp, tree s)
+{
+  const char *p = TREE_STRING_POINTER (s);
+  int n = TREE_STRING_LENGTH (s) - 1;
+  int i;
+  pp_doublequote (pp);
+  for (i = 0; i < n; ++i)
+    pp_c_char (pp, p[i]);
+  pp_doublequote (pp);
+}
+
+/* Pretty-print an INTEGER literal.  */
+
+static void
+pp_c_integer_constant (c_pretty_printer *pp, tree i)
+{
+  tree type = TREE_TYPE (i);
+
+  if (TREE_INT_CST_HIGH (i) == 0)
+    pp_wide_integer (pp, TREE_INT_CST_LOW (i));
+  else
+    {
+      unsigned HOST_WIDE_INT low = TREE_INT_CST_LOW (i);
+      HOST_WIDE_INT high = TREE_INT_CST_HIGH (i);
+      if (tree_int_cst_sgn (i) < 0)
+	{
+	  pp_character (pp, '-');
+	  high = ~high + !low;
+	  low = -low;
+	}
+      sprintf (pp_buffer (pp)->digit_buffer, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
+	       (unsigned HOST_WIDE_INT) high, (unsigned HOST_WIDE_INT) low);
+      pp_string (pp, pp_buffer (pp)->digit_buffer);
+    }
+  if (TYPE_UNSIGNED (type))
+    pp_character (pp, 'u');
+  if (type == long_integer_type_node || type == long_unsigned_type_node)
+    pp_character (pp, 'l');
+  else if (type == long_long_integer_type_node
+	   || type == long_long_unsigned_type_node)
+    pp_string (pp, "ll");
+  else if (type == int128_integer_type_node
+           || type == int128_unsigned_type_node)
+    pp_string (pp, "I128");
+}
+
+/* Print out a CHARACTER literal.  */
+
+static void
+pp_c_character_constant (c_pretty_printer *pp, tree c)
+{
+  tree type = TREE_TYPE (c);
+  if (type == wchar_type_node)
+    pp_character (pp, 'L');
+  pp_quote (pp);
+  if (host_integerp (c, TYPE_UNSIGNED (type)))
+    pp_c_char (pp, tree_low_cst (c, TYPE_UNSIGNED (type)));
+  else
+    pp_scalar (pp, "\\x%x", (unsigned) TREE_INT_CST_LOW (c));
+  pp_quote (pp);
+}
+
+/* Print out a BOOLEAN literal.  */
+
+static void
+pp_c_bool_constant (c_pretty_printer *pp, tree b)
+{
+  if (b == boolean_false_node)
+    {
+      if (c_dialect_cxx ())
+	pp_c_ws_string (pp, "false");
+      else if (flag_isoc99)
+	pp_c_ws_string (pp, "_False");
+      else
+	pp_unsupported_tree (pp, b);
+    }
+  else if (b == boolean_true_node)
+    {
+      if (c_dialect_cxx ())
+	pp_c_ws_string (pp, "true");
+      else if (flag_isoc99)
+	pp_c_ws_string (pp, "_True");
+      else
+	pp_unsupported_tree (pp, b);
+    }
+  else if (TREE_CODE (b) == INTEGER_CST)
+    pp_c_integer_constant (pp, b);
+  else
+    pp_unsupported_tree (pp, b);
+}
+
+/* Attempt to print out an ENUMERATOR.  Return true on success.  Else return
+   false; that means the value was obtained by a cast, in which case
+   print out the type-id part of the cast-expression -- the casted value
+   is then printed by pp_c_integer_literal.  */
+
+static bool
+pp_c_enumeration_constant (c_pretty_printer *pp, tree e)
+{
+  bool value_is_named = true;
+  tree type = TREE_TYPE (e);
+  tree value;
+
+  /* Find the name of this constant.  */
+  for (value = TYPE_VALUES (type);
+       value != NULL_TREE && !tree_int_cst_equal (TREE_VALUE (value), e);
+       value = TREE_CHAIN (value))
+    ;
+
+  if (value != NULL_TREE)
+    pp_id_expression (pp, TREE_PURPOSE (value));
+  else
+    {
+      /* Value must have been cast.  */
+      pp_c_type_cast (pp, type);
+      value_is_named = false;
+    }
+
+  return value_is_named;
+}
+
+/* Print out a REAL value as a decimal-floating-constant.  */
+
+static void
+pp_c_floating_constant (c_pretty_printer *pp, tree r)
+{
+  real_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_REAL_CST (r),
+		   sizeof (pp_buffer (pp)->digit_buffer), 0, 1);
+  pp_string (pp, pp_buffer(pp)->digit_buffer);
+  if (TREE_TYPE (r) == float_type_node)
+    pp_character (pp, 'f');
+  else if (TREE_TYPE (r) == long_double_type_node)
+    pp_character (pp, 'l');
+  else if (TREE_TYPE (r) == dfloat128_type_node)
+    pp_string (pp, "dl");
+  else if (TREE_TYPE (r) == dfloat64_type_node)
+    pp_string (pp, "dd");
+  else if (TREE_TYPE (r) == dfloat32_type_node)
+    pp_string (pp, "df");
+}
+
+/* Print out a FIXED value as a decimal-floating-constant.  */
+
+static void
+pp_c_fixed_constant (c_pretty_printer *pp, tree r)
+{
+  fixed_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_FIXED_CST (r),
+		   sizeof (pp_buffer (pp)->digit_buffer));
+  pp_string (pp, pp_buffer(pp)->digit_buffer);
+}
+
+/* Pretty-print a compound literal expression.  GNU extensions include
+   vector constants.  */
+
+static void
+pp_c_compound_literal (c_pretty_printer *pp, tree e)
+{
+  tree type = TREE_TYPE (e);
+  pp_c_type_cast (pp, type);
+
+  switch (TREE_CODE (type))
+    {
+    case RECORD_TYPE:
+    case UNION_TYPE:
+    case ARRAY_TYPE:
+    case VECTOR_TYPE:
+    case COMPLEX_TYPE:
+      pp_c_brace_enclosed_initializer_list (pp, e);
+      break;
+
+    default:
+      pp_unsupported_tree (pp, e);
+      break;
+    }
+}
+
+/* Pretty-print a COMPLEX_EXPR expression.  */
+
+static void
+pp_c_complex_expr (c_pretty_printer *pp, tree e)
+{
+  /* Handle a few common special cases, otherwise fallback
+     to printing it as compound literal.  */
+  tree type = TREE_TYPE (e);
+  tree realexpr = TREE_OPERAND (e, 0);
+  tree imagexpr = TREE_OPERAND (e, 1);
+
+  /* Cast of an COMPLEX_TYPE expression to a different COMPLEX_TYPE.  */
+  if (TREE_CODE (realexpr) == NOP_EXPR
+      && TREE_CODE (imagexpr) == NOP_EXPR
+      && TREE_TYPE (realexpr) == TREE_TYPE (type)
+      && TREE_TYPE (imagexpr) == TREE_TYPE (type)
+      && TREE_CODE (TREE_OPERAND (realexpr, 0)) == REALPART_EXPR
+      && TREE_CODE (TREE_OPERAND (imagexpr, 0)) == IMAGPART_EXPR
+      && TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0)
+	 == TREE_OPERAND (TREE_OPERAND (imagexpr, 0), 0))
+    {
+      pp_c_type_cast (pp, type);
+      pp_expression (pp, TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0));
+      return;
+    }
+
+  /* Cast of an scalar expression to COMPLEX_TYPE.  */
+  if ((integer_zerop (imagexpr) || real_zerop (imagexpr))
+      && TREE_TYPE (realexpr) == TREE_TYPE (type))
+    {
+      pp_c_type_cast (pp, type);
+      if (TREE_CODE (realexpr) == NOP_EXPR)
+	realexpr = TREE_OPERAND (realexpr, 0);
+      pp_expression (pp, realexpr);
+      return;
+    }
+
+  pp_c_compound_literal (pp, e);
+}
+
+/* constant:
+      integer-constant
+      floating-constant
+      fixed-point-constant
+      enumeration-constant
+      character-constant   */
+
+void
+pp_c_constant (c_pretty_printer *pp, tree e)
+{
+  const enum tree_code code = TREE_CODE (e);
+
+  switch (code)
+    {
+    case INTEGER_CST:
+      {
+	tree type = TREE_TYPE (e);
+	if (type == boolean_type_node)
+	  pp_c_bool_constant (pp, e);
+	else if (type == char_type_node)
+	  pp_c_character_constant (pp, e);
+	else if (TREE_CODE (type) == ENUMERAL_TYPE
+		 && pp_c_enumeration_constant (pp, e))
+	  ;
+	else
+	  pp_c_integer_constant (pp, e);
+      }
+      break;
+
+    case REAL_CST:
+      pp_c_floating_constant (pp, e);
+      break;
+
+    case FIXED_CST:
+      pp_c_fixed_constant (pp, e);
+      break;
+
+    case STRING_CST:
+      pp_c_string_literal (pp, e);
+      break;
+
+    case COMPLEX_CST:
+      /* Sometimes, we are confused and we think a complex literal
+         is a constant.  Such thing is a compound literal which
+         grammatically belongs to postfix-expr production.  */
+      pp_c_compound_literal (pp, e);
+      break;
+
+    default:
+      pp_unsupported_tree (pp, e);
+      break;
+    }
+}
+
+/* Pretty-print a string such as an identifier, without changing its
+   encoding, preceded by whitespace is necessary.  */
+
+void
+pp_c_ws_string (c_pretty_printer *pp, const char *str)
+{
+  pp_c_maybe_whitespace (pp);
+  pp_string (pp, str);
+  pp_base (pp)->padding = pp_before;
+}
+
+/* Pretty-print an IDENTIFIER_NODE, which may contain UTF-8 sequences
+   that need converting to the locale encoding, preceded by whitespace
+   is necessary.  */
+
+void
+pp_c_identifier (c_pretty_printer *pp, const char *id)
+{
+  pp_c_maybe_whitespace (pp);
+  pp_identifier (pp, id);
+  pp_base (pp)->padding = pp_before;
+}
+
+/* Pretty-print a C primary-expression.
+   primary-expression:
+      identifier
+      constant
+      string-literal
+      ( expression )   */
+
+void
+pp_c_primary_expression (c_pretty_printer *pp, tree e)
+{
+  switch (TREE_CODE (e))
+    {
+    case VAR_DECL:
+    case PARM_DECL:
+    case FIELD_DECL:
+    case CONST_DECL:
+    case FUNCTION_DECL:
+    case LABEL_DECL:
+      pp_c_tree_decl_identifier (pp, e);
+      break;
+
+    case IDENTIFIER_NODE:
+      pp_c_tree_identifier (pp, e);
+      break;
+
+    case ERROR_MARK:
+      pp_c_ws_string (pp, M_("<erroneous-expression>"));
+      break;
+
+    case RESULT_DECL:
+      pp_c_ws_string (pp, M_("<return-value>"));
+      break;
+
+    case INTEGER_CST:
+    case REAL_CST:
+    case FIXED_CST:
+    case STRING_CST:
+      pp_c_constant (pp, e);
+      break;
+
+    case TARGET_EXPR:
+      pp_c_ws_string (pp, "__builtin_memcpy");
+      pp_c_left_paren (pp);
+      pp_ampersand (pp);
+      pp_primary_expression (pp, TREE_OPERAND (e, 0));
+      pp_separate_with (pp, ',');
+      pp_ampersand (pp);
+      pp_initializer (pp, TREE_OPERAND (e, 1));
+      if (TREE_OPERAND (e, 2))
+	{
+	  pp_separate_with (pp, ',');
+	  pp_c_expression (pp, TREE_OPERAND (e, 2));
+	}
+      pp_c_right_paren (pp);
+      break;
+
+    default:
+      /* FIXME:  Make sure we won't get into an infinite loop.  */
+      pp_c_left_paren (pp);
+      pp_expression (pp, e);
+      pp_c_right_paren (pp);
+      break;
+    }
+}
+
+/* Print out a C initializer -- also support C compound-literals.
+   initializer:
+      assignment-expression:
+      { initializer-list }
+      { initializer-list , }   */
+
+static void
+pp_c_initializer (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == CONSTRUCTOR)
+    pp_c_brace_enclosed_initializer_list (pp, e);
+  else
+    pp_expression (pp, e);
+}
+
+/* init-declarator:
+      declarator:
+      declarator = initializer   */
+
+void
+pp_c_init_declarator (c_pretty_printer *pp, tree t)
+{
+  pp_declarator (pp, t);
+  /* We don't want to output function definitions here.  There are handled
+     elsewhere (and the syntactic form is bogus anyway).  */
+  if (TREE_CODE (t) != FUNCTION_DECL && DECL_INITIAL (t))
+    {
+      tree init = DECL_INITIAL (t);
+      /* This C++ bit is handled here because it is easier to do so.
+	 In templates, the C++ parser builds a TREE_LIST for a
+	 direct-initialization; the TREE_PURPOSE is the variable to
+	 initialize and the TREE_VALUE is the initializer.  */
+      if (TREE_CODE (init) == TREE_LIST)
+	{
+	  pp_c_left_paren (pp);
+	  pp_expression (pp, TREE_VALUE (init));
+	  pp_right_paren (pp);
+	}
+      else
+	{
+	  pp_space (pp);
+	  pp_equal (pp);
+	  pp_space (pp);
+	  pp_c_initializer (pp, init);
+	}
+    }
+}
+
+/* initializer-list:
+      designation(opt) initializer
+      initializer-list , designation(opt) initializer
+
+   designation:
+      designator-list =
+
+   designator-list:
+      designator
+      designator-list designator
+
+   designator:
+      [ constant-expression ]
+      identifier   */
+
+static void
+pp_c_initializer_list (c_pretty_printer *pp, tree e)
+{
+  tree type = TREE_TYPE (e);
+  const enum tree_code code = TREE_CODE (type);
+
+  if (TREE_CODE (e) == CONSTRUCTOR)
+    {
+      pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
+      return;
+    }
+
+  switch (code)
+    {
+    case RECORD_TYPE:
+    case UNION_TYPE:
+    case ARRAY_TYPE:
+      {
+	tree init = TREE_OPERAND (e, 0);
+	for (; init != NULL_TREE; init = TREE_CHAIN (init))
+	  {
+	    if (code == RECORD_TYPE || code == UNION_TYPE)
+	      {
+		pp_c_dot (pp);
+		pp_c_primary_expression (pp, TREE_PURPOSE (init));
+	      }
+	    else
+	      {
+		pp_c_left_bracket (pp);
+		if (TREE_PURPOSE (init))
+		  pp_c_constant (pp, TREE_PURPOSE (init));
+		pp_c_right_bracket (pp);
+	      }
+	    pp_c_whitespace (pp);
+	    pp_equal (pp);
+	    pp_c_whitespace (pp);
+	    pp_initializer (pp, TREE_VALUE (init));
+	    if (TREE_CHAIN (init))
+	      pp_separate_with (pp, ',');
+	  }
+      }
+      return;
+
+    case VECTOR_TYPE:
+      if (TREE_CODE (e) == VECTOR_CST)
+	pp_c_expression_list (pp, TREE_VECTOR_CST_ELTS (e));
+      else
+	break;
+      return;
+
+    case COMPLEX_TYPE:
+      if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR)
+	{
+	  const bool cst = TREE_CODE (e) == COMPLEX_CST;
+	  pp_expression (pp, cst ? TREE_REALPART (e) : TREE_OPERAND (e, 0));
+	  pp_separate_with (pp, ',');
+	  pp_expression (pp, cst ? TREE_IMAGPART (e) : TREE_OPERAND (e, 1));
+	}
+      else
+	break;
+      return;
+
+    default:
+      break;
+    }
+
+  pp_unsupported_tree (pp, type);
+}
+
+/* Pretty-print a brace-enclosed initializer-list.  */
+
+static void
+pp_c_brace_enclosed_initializer_list (c_pretty_printer *pp, tree l)
+{
+  pp_c_left_brace (pp);
+  pp_c_initializer_list (pp, l);
+  pp_c_right_brace (pp);
+}
+
+
+/*  This is a convenient function, used to bridge gap between C and C++
+    grammars.
+
+    id-expression:
+       identifier  */
+
+void
+pp_c_id_expression (c_pretty_printer *pp, tree t)
+{
+  switch (TREE_CODE (t))
+    {
+    case VAR_DECL:
+    case PARM_DECL:
+    case CONST_DECL:
+    case TYPE_DECL:
+    case FUNCTION_DECL:
+    case FIELD_DECL:
+    case LABEL_DECL:
+      pp_c_tree_decl_identifier (pp, t);
+      break;
+
+    case IDENTIFIER_NODE:
+      pp_c_tree_identifier (pp, t);
+      break;
+
+    default:
+      pp_unsupported_tree (pp, t);
+      break;
+    }
+}
+
+/* postfix-expression:
+      primary-expression
+      postfix-expression [ expression ]
+      postfix-expression ( argument-expression-list(opt) )
+      postfix-expression . identifier
+      postfix-expression -> identifier
+      postfix-expression ++
+      postfix-expression --
+      ( type-name ) { initializer-list }
+      ( type-name ) { initializer-list , }  */
+
+void
+pp_c_postfix_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case POSTINCREMENT_EXPR:
+    case POSTDECREMENT_EXPR:
+      pp_postfix_expression (pp, TREE_OPERAND (e, 0));
+      pp_string (pp, code == POSTINCREMENT_EXPR ? "++" : "--");
+      break;
+
+    case ARRAY_REF:
+      pp_postfix_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_left_bracket (pp);
+      pp_expression (pp, TREE_OPERAND (e, 1));
+      pp_c_right_bracket (pp);
+      break;
+
+    case CALL_EXPR:
+      {
+	call_expr_arg_iterator iter;
+	tree arg;
+	pp_postfix_expression (pp, CALL_EXPR_FN (e));
+	pp_c_left_paren (pp);
+	FOR_EACH_CALL_EXPR_ARG (arg, iter, e)
+	  {
+	    pp_expression (pp, arg);
+	    if (more_call_expr_args_p (&iter))
+	      pp_separate_with (pp, ',');
+	  }
+	pp_c_right_paren (pp);
+	break;
+      }
+
+    case UNORDERED_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "isunordered"
+			   : "__builtin_isunordered");
+      goto two_args_fun;
+
+    case ORDERED_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!isunordered"
+			   : "!__builtin_isunordered");
+      goto two_args_fun;
+
+    case UNLT_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!isgreaterequal"
+			   : "!__builtin_isgreaterequal");
+      goto two_args_fun;
+
+    case UNLE_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!isgreater"
+			   : "!__builtin_isgreater");
+      goto two_args_fun;
+
+    case UNGT_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!islessequal"
+			   : "!__builtin_islessequal");
+      goto two_args_fun;
+
+    case UNGE_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!isless"
+			   : "!__builtin_isless");
+      goto two_args_fun;
+
+    case UNEQ_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "!islessgreater"
+			   : "!__builtin_islessgreater");
+      goto two_args_fun;
+
+    case LTGT_EXPR:
+      pp_c_ws_string (pp, flag_isoc99
+			   ? "islessgreater"
+			   : "__builtin_islessgreater");
+      goto two_args_fun;
+
+    two_args_fun:
+      pp_c_left_paren (pp);
+      pp_expression (pp, TREE_OPERAND (e, 0));
+      pp_separate_with (pp, ',');
+      pp_expression (pp, TREE_OPERAND (e, 1));
+      pp_c_right_paren (pp);
+      break;
+
+    case ABS_EXPR:
+      pp_c_ws_string (pp, "__builtin_abs");
+      pp_c_left_paren (pp);
+      pp_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_right_paren (pp);
+      break;
+
+    case COMPONENT_REF:
+      {
+	tree object = TREE_OPERAND (e, 0);
+	if (TREE_CODE (object) == INDIRECT_REF)
+	  {
+	    pp_postfix_expression (pp, TREE_OPERAND (object, 0));
+	    pp_c_arrow (pp);
+	  }
+	else
+	  {
+	    pp_postfix_expression (pp, object);
+	    pp_c_dot (pp);
+	  }
+	pp_expression (pp, TREE_OPERAND (e, 1));
+      }
+      break;
+
+    case BIT_FIELD_REF:
+      {
+	tree type = TREE_TYPE (e);
+
+	type = signed_or_unsigned_type_for (TYPE_UNSIGNED (type), type);
+	if (type
+	    && tree_int_cst_equal (TYPE_SIZE (type), TREE_OPERAND (e, 1)))
+	  {
+	    HOST_WIDE_INT bitpos = tree_low_cst (TREE_OPERAND (e, 2), 0);
+	    HOST_WIDE_INT size = tree_low_cst (TYPE_SIZE (type), 0);
+	    if ((bitpos % size) == 0)
+	      {
+		pp_c_left_paren (pp);
+		pp_c_left_paren (pp);
+		pp_type_id (pp, type);
+		pp_c_star (pp);
+		pp_c_right_paren (pp);
+		pp_c_ampersand (pp);
+		pp_expression (pp, TREE_OPERAND (e, 0));
+		pp_c_right_paren (pp);
+		pp_c_left_bracket (pp);
+		pp_wide_integer (pp, bitpos / size);
+		pp_c_right_bracket (pp);
+		break;
+	      }
+	  }
+	pp_unsupported_tree (pp, e);
+      }
+      break;
+
+    case MEM_REF:
+      pp_c_expression (pp, e);
+      break;
+
+    case COMPLEX_CST:
+    case VECTOR_CST:
+      pp_c_compound_literal (pp, e);
+      break;
+
+    case COMPLEX_EXPR:
+      pp_c_complex_expr (pp, e);
+      break;
+
+    case COMPOUND_LITERAL_EXPR:
+      e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e));
+      /* Fall through.  */
+    case CONSTRUCTOR:
+      pp_initializer (pp, e);
+      break;
+
+    case VA_ARG_EXPR:
+      pp_c_ws_string (pp, "__builtin_va_arg");
+      pp_c_left_paren (pp);
+      pp_assignment_expression (pp, TREE_OPERAND (e, 0));
+      pp_separate_with (pp, ',');
+      pp_type_id (pp, TREE_TYPE (e));
+      pp_c_right_paren (pp);
+      break;
+
+    case ADDR_EXPR:
+      if (TREE_CODE (TREE_OPERAND (e, 0)) == FUNCTION_DECL)
+	{
+	  pp_c_id_expression (pp, TREE_OPERAND (e, 0));
+	  break;
+	}
+      /* else fall through.  */
+
+    default:
+      pp_primary_expression (pp, e);
+      break;
+    }
+}
+
+/* Print out an expression-list; E is expected to be a TREE_LIST.  */
+
+void
+pp_c_expression_list (c_pretty_printer *pp, tree e)
+{
+  for (; e != NULL_TREE; e = TREE_CHAIN (e))
+    {
+      pp_expression (pp, TREE_VALUE (e));
+      if (TREE_CHAIN (e))
+	pp_separate_with (pp, ',');
+    }
+}
+
+/* Print out V, which contains the elements of a constructor.  */
+
+void
+pp_c_constructor_elts (c_pretty_printer *pp, VEC(constructor_elt,gc) *v)
+{
+  unsigned HOST_WIDE_INT ix;
+  tree value;
+
+  FOR_EACH_CONSTRUCTOR_VALUE (v, ix, value)
+    {
+      pp_expression (pp, value);
+      if (ix != VEC_length (constructor_elt, v) - 1)
+	pp_separate_with (pp, ',');
+    }
+}
+
+/* Print out an expression-list in parens, as if it were the argument
+   list to a function.  */
+
+void
+pp_c_call_argument_list (c_pretty_printer *pp, tree t)
+{
+  pp_c_left_paren (pp);
+  if (t && TREE_CODE (t) == TREE_LIST)
+    pp_c_expression_list (pp, t);
+  pp_c_right_paren (pp);
+}
+
+/* unary-expression:
+      postfix-expression
+      ++ cast-expression
+      -- cast-expression
+      unary-operator cast-expression
+      sizeof unary-expression
+      sizeof ( type-id )
+
+  unary-operator: one of
+      * &  + - ! ~
+
+   GNU extensions.
+   unary-expression:
+      __alignof__ unary-expression
+      __alignof__ ( type-id )
+      __real__ unary-expression
+      __imag__ unary-expression  */
+
+void
+pp_c_unary_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case PREINCREMENT_EXPR:
+    case PREDECREMENT_EXPR:
+      pp_string (pp, code == PREINCREMENT_EXPR ? "++" : "--");
+      pp_c_unary_expression (pp, TREE_OPERAND (e, 0));
+      break;
+
+    case ADDR_EXPR:
+    case INDIRECT_REF:
+    case NEGATE_EXPR:
+    case BIT_NOT_EXPR:
+    case TRUTH_NOT_EXPR:
+    case CONJ_EXPR:
+      /* String literal are used by address.  */
+      if (code == ADDR_EXPR && TREE_CODE (TREE_OPERAND (e, 0)) != STRING_CST)
+	pp_ampersand (pp);
+      else if (code == INDIRECT_REF)
+	pp_c_star (pp);
+      else if (code == NEGATE_EXPR)
+	pp_minus (pp);
+      else if (code == BIT_NOT_EXPR || code == CONJ_EXPR)
+	pp_complement (pp);
+      else if (code == TRUTH_NOT_EXPR)
+	pp_exclamation (pp);
+      pp_c_cast_expression (pp, TREE_OPERAND (e, 0));
+      break;
+
+    case MEM_REF:
+      if (TREE_CODE (TREE_OPERAND (e, 0)) == ADDR_EXPR
+	  && integer_zerop (TREE_OPERAND (e, 1)))
+	pp_c_expression (pp, TREE_OPERAND (TREE_OPERAND (e, 0), 0));
+      else
+	{
+	  pp_c_star (pp);
+	  if (!integer_zerop (TREE_OPERAND (e, 1)))
+	    {
+	      pp_c_left_paren (pp);
+	      if (!integer_onep (TYPE_SIZE_UNIT
+				 (TREE_TYPE (TREE_TYPE (TREE_OPERAND (e, 0))))))
+		pp_c_type_cast (pp, ptr_type_node);
+	    }
+	  pp_c_cast_expression (pp, TREE_OPERAND (e, 0));
+	  if (!integer_zerop (TREE_OPERAND (e, 1)))
+	    {
+	      pp_plus (pp);
+	      pp_c_integer_constant (pp,
+				     fold_convert (ssizetype,
+						   TREE_OPERAND (e, 1)));
+	      pp_c_right_paren (pp);
+	    }
+	}
+      break;
+
+    case REALPART_EXPR:
+    case IMAGPART_EXPR:
+      pp_c_ws_string (pp, code == REALPART_EXPR ? "__real__" : "__imag__");
+      pp_c_whitespace (pp);
+      pp_unary_expression (pp, TREE_OPERAND (e, 0));
+      break;
+
+    default:
+      pp_postfix_expression (pp, e);
+      break;
+    }
+}
+
+/* cast-expression:
+      unary-expression
+      ( type-name ) cast-expression  */
+
+void
+pp_c_cast_expression (c_pretty_printer *pp, tree e)
+{
+  switch (TREE_CODE (e))
+    {
+    case FLOAT_EXPR:
+    case FIX_TRUNC_EXPR:
+    CASE_CONVERT:
+    case VIEW_CONVERT_EXPR:
+      pp_c_type_cast (pp, TREE_TYPE (e));
+      pp_c_cast_expression (pp, TREE_OPERAND (e, 0));
+      break;
+
+    default:
+      pp_unary_expression (pp, e);
+    }
+}
+
+/* multiplicative-expression:
+      cast-expression
+      multiplicative-expression * cast-expression
+      multiplicative-expression / cast-expression
+      multiplicative-expression % cast-expression   */
+
+static void
+pp_c_multiplicative_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case MULT_EXPR:
+    case TRUNC_DIV_EXPR:
+    case TRUNC_MOD_EXPR:
+      pp_multiplicative_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      if (code == MULT_EXPR)
+	pp_c_star (pp);
+      else if (code == TRUNC_DIV_EXPR)
+	pp_slash (pp);
+      else
+	pp_modulo (pp);
+      pp_c_whitespace (pp);
+      pp_c_cast_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    default:
+      pp_c_cast_expression (pp, e);
+      break;
+    }
+}
+
+/* additive-expression:
+      multiplicative-expression
+      additive-expression + multiplicative-expression
+      additive-expression - multiplicative-expression   */
+
+static void
+pp_c_additive_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case POINTER_PLUS_EXPR:
+    case PLUS_EXPR:
+    case MINUS_EXPR:
+      pp_c_additive_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
+	pp_plus (pp);
+      else
+	pp_minus (pp);
+      pp_c_whitespace (pp);
+      pp_multiplicative_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    default:
+      pp_multiplicative_expression (pp, e);
+      break;
+    }
+}
+
+/* additive-expression:
+      additive-expression
+      shift-expression << additive-expression
+      shift-expression >> additive-expression   */
+
+static void
+pp_c_shift_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case LSHIFT_EXPR:
+    case RSHIFT_EXPR:
+      pp_c_shift_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_string (pp, code == LSHIFT_EXPR ? "<<" : ">>");
+      pp_c_whitespace (pp);
+      pp_c_additive_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    default:
+      pp_c_additive_expression (pp, e);
+    }
+}
+
+/* relational-expression:
+      shift-expression
+      relational-expression < shift-expression
+      relational-expression > shift-expression
+      relational-expression <= shift-expression
+      relational-expression >= shift-expression   */
+
+static void
+pp_c_relational_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case LT_EXPR:
+    case GT_EXPR:
+    case LE_EXPR:
+    case GE_EXPR:
+      pp_c_relational_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      if (code == LT_EXPR)
+	pp_less (pp);
+      else if (code == GT_EXPR)
+	pp_greater (pp);
+      else if (code == LE_EXPR)
+	pp_string (pp, "<=");
+      else if (code == GE_EXPR)
+	pp_string (pp, ">=");
+      pp_c_whitespace (pp);
+      pp_c_shift_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    default:
+      pp_c_shift_expression (pp, e);
+      break;
+    }
+}
+
+/* equality-expression:
+      relational-expression
+      equality-expression == relational-expression
+      equality-equality != relational-expression  */
+
+static void
+pp_c_equality_expression (c_pretty_printer *pp, tree e)
+{
+  enum tree_code code = TREE_CODE (e);
+  switch (code)
+    {
+    case EQ_EXPR:
+    case NE_EXPR:
+      pp_c_equality_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_string (pp, code == EQ_EXPR ? "==" : "!=");
+      pp_c_whitespace (pp);
+      pp_c_relational_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    default:
+      pp_c_relational_expression (pp, e);
+      break;
+    }
+}
+
+/* AND-expression:
+      equality-expression
+      AND-expression & equality-equality   */
+
+static void
+pp_c_and_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == BIT_AND_EXPR)
+    {
+      pp_c_and_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_ampersand (pp);
+      pp_c_whitespace (pp);
+      pp_c_equality_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_equality_expression (pp, e);
+}
+
+/* exclusive-OR-expression:
+     AND-expression
+     exclusive-OR-expression ^ AND-expression  */
+
+static void
+pp_c_exclusive_or_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == BIT_XOR_EXPR
+      || TREE_CODE (e) == TRUTH_XOR_EXPR)
+    {
+      pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0));
+      if (TREE_CODE (e) == BIT_XOR_EXPR)
+	pp_c_maybe_whitespace (pp);
+      else
+	pp_c_whitespace (pp);
+      pp_carret (pp);
+      pp_c_whitespace (pp);
+      pp_c_and_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_and_expression (pp, e);
+}
+
+/* inclusive-OR-expression:
+     exclusive-OR-expression
+     inclusive-OR-expression | exclusive-OR-expression  */
+
+static void
+pp_c_inclusive_or_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == BIT_IOR_EXPR)
+    {
+      pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_bar (pp);
+      pp_c_whitespace (pp);
+      pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_exclusive_or_expression (pp, e);
+}
+
+/* logical-AND-expression:
+      inclusive-OR-expression
+      logical-AND-expression && inclusive-OR-expression  */
+
+static void
+pp_c_logical_and_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == TRUTH_ANDIF_EXPR
+      || TREE_CODE (e) == TRUTH_AND_EXPR)
+    {
+      pp_c_logical_and_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_string (pp, "&&");
+      pp_c_whitespace (pp);
+      pp_c_inclusive_or_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_inclusive_or_expression (pp, e);
+}
+
+/* logical-OR-expression:
+      logical-AND-expression
+      logical-OR-expression || logical-AND-expression  */
+
+void
+pp_c_logical_or_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == TRUTH_ORIF_EXPR
+      || TREE_CODE (e) == TRUTH_OR_EXPR)
+    {
+      pp_c_logical_or_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_string (pp, "||");
+      pp_c_whitespace (pp);
+      pp_c_logical_and_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_logical_and_expression (pp, e);
+}
+
+/* conditional-expression:
+      logical-OR-expression
+      logical-OR-expression ? expression : conditional-expression  */
+
+static void
+pp_c_conditional_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == COND_EXPR)
+    {
+      pp_c_logical_or_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_question (pp);
+      pp_c_whitespace (pp);
+      pp_expression (pp, TREE_OPERAND (e, 1));
+      pp_c_whitespace (pp);
+      pp_colon (pp);
+      pp_c_whitespace (pp);
+      pp_c_conditional_expression (pp, TREE_OPERAND (e, 2));
+    }
+  else
+    pp_c_logical_or_expression (pp, e);
+}
+
+
+/* assignment-expression:
+      conditional-expression
+      unary-expression assignment-operator  assignment-expression
+
+   assignment-expression: one of
+      =    *=    /=    %=    +=    -=    >>=    <<=    &=    ^=    |=  */
+
+static void
+pp_c_assignment_expression (c_pretty_printer *pp, tree e)
+{
+  if (TREE_CODE (e) == MODIFY_EXPR
+      || TREE_CODE (e) == INIT_EXPR)
+    {
+      pp_c_unary_expression (pp, TREE_OPERAND (e, 0));
+      pp_c_whitespace (pp);
+      pp_equal (pp);
+      pp_space (pp);
+      pp_c_expression (pp, TREE_OPERAND (e, 1));
+    }
+  else
+    pp_c_conditional_expression (pp, e);
+}
+
+/* expression:
+       assignment-expression
+       expression , assignment-expression
+
+  Implementation note:  instead of going through the usual recursion
+  chain, I take the liberty of dispatching nodes to the appropriate
+  functions.  This makes some redundancy, but it worths it. That also
+  prevents a possible infinite recursion between pp_c_primary_expression ()
+  and pp_c_expression ().  */
+
+void
+pp_c_expression (c_pretty_printer *pp, tree e)
+{
+  switch (TREE_CODE (e))
+    {
+    case INTEGER_CST:
+      pp_c_integer_constant (pp, e);
+      break;
+
+    case REAL_CST:
+      pp_c_floating_constant (pp, e);
+      break;
+
+    case FIXED_CST:
+      pp_c_fixed_constant (pp, e);
+      break;
+
+    case STRING_CST:
+      pp_c_string_literal (pp, e);
+      break;
+
+    case IDENTIFIER_NODE:
+    case FUNCTION_DECL:
+    case VAR_DECL:
+    case CONST_DECL:
+    case PARM_DECL:
+    case RESULT_DECL:
+    case FIELD_DECL:
+    case LABEL_DECL:
+    case ERROR_MARK:
+      pp_primary_expression (pp, e);
+      break;
+
+    case POSTINCREMENT_EXPR:
+    case POSTDECREMENT_EXPR:
+    case ARRAY_REF:
+    case CALL_EXPR:
+    case COMPONENT_REF:
+    case BIT_FIELD_REF:
+    case COMPLEX_CST:
+    case COMPLEX_EXPR:
+    case VECTOR_CST:
+    case ORDERED_EXPR:
+    case UNORDERED_EXPR:
+    case LTGT_EXPR:
+    case UNEQ_EXPR:
+    case UNLE_EXPR:
+    case UNLT_EXPR:
+    case UNGE_EXPR:
+    case UNGT_EXPR:
+    case ABS_EXPR:
+    case CONSTRUCTOR:
+    case COMPOUND_LITERAL_EXPR:
+    case VA_ARG_EXPR:
+      pp_postfix_expression (pp, e);
+      break;
+
+    case CONJ_EXPR:
+    case ADDR_EXPR:
+    case INDIRECT_REF:
+    case MEM_REF:
+    case NEGATE_EXPR:
+    case BIT_NOT_EXPR:
+    case TRUTH_NOT_EXPR:
+    case PREINCREMENT_EXPR:
+    case PREDECREMENT_EXPR:
+    case REALPART_EXPR:
+    case IMAGPART_EXPR:
+      pp_c_unary_expression (pp, e);
+      break;
+
+    case FLOAT_EXPR:
+    case FIX_TRUNC_EXPR:
+    CASE_CONVERT:
+    case VIEW_CONVERT_EXPR:
+      pp_c_cast_expression (pp, e);
+      break;
+
+    case MULT_EXPR:
+    case TRUNC_MOD_EXPR:
+    case TRUNC_DIV_EXPR:
+      pp_multiplicative_expression (pp, e);
+      break;
+
+    case LSHIFT_EXPR:
+    case RSHIFT_EXPR:
+      pp_c_shift_expression (pp, e);
+      break;
+
+    case LT_EXPR:
+    case GT_EXPR:
+    case LE_EXPR:
+    case GE_EXPR:
+      pp_c_relational_expression (pp, e);
+      break;
+
+    case BIT_AND_EXPR:
+      pp_c_and_expression (pp, e);
+      break;
+
+    case BIT_XOR_EXPR:
+    case TRUTH_XOR_EXPR:
+      pp_c_exclusive_or_expression (pp, e);
+      break;
+
+    case BIT_IOR_EXPR:
+      pp_c_inclusive_or_expression (pp, e);
+      break;
+
+    case TRUTH_ANDIF_EXPR:
+    case TRUTH_AND_EXPR:
+      pp_c_logical_and_expression (pp, e);
+      break;
+
+    case TRUTH_ORIF_EXPR:
+    case TRUTH_OR_EXPR:
+      pp_c_logical_or_expression (pp, e);
+      break;
+
+    case EQ_EXPR:
+    case NE_EXPR:
+      pp_c_equality_expression (pp, e);
+      break;
+
+    case COND_EXPR:
+      pp_conditional_expression (pp, e);
+      break;
+
+    case POINTER_PLUS_EXPR:
+    case PLUS_EXPR:
+    case MINUS_EXPR:
+      pp_c_additive_expression (pp, e);
+      break;
+
+    case MODIFY_EXPR:
+    case INIT_EXPR:
+      pp_assignment_expression (pp, e);
+      break;
+
+    case COMPOUND_EXPR:
+      pp_c_left_paren (pp);
+      pp_expression (pp, TREE_OPERAND (e, 0));
+      pp_separate_with (pp, ',');
+      pp_assignment_expression (pp, TREE_OPERAND (e, 1));
+      pp_c_right_paren (pp);
+      break;
+
+    case NON_LVALUE_EXPR:
+    case SAVE_EXPR:
+      pp_expression (pp, TREE_OPERAND (e, 0));
+      break;
+
+    case TARGET_EXPR:
+      pp_postfix_expression (pp, TREE_OPERAND (e, 1));
+      break;
+
+    case BIND_EXPR:
+    case GOTO_EXPR:
+      /* We don't yet have a way of dumping statements in a
+         human-readable format.  */
+      pp_string (pp, "({...})");
+      break;
+
+    case C_MAYBE_CONST_EXPR:
+      pp_c_expression (pp, C_MAYBE_CONST_EXPR_EXPR (e));
+      break;
+
+    default:
+      pp_unsupported_tree (pp, e);
+      break;
+    }
+}
+
+
+
+/* Statements.  */
+
+void
+pp_c_statement (c_pretty_printer *pp, tree stmt)
+{
+  if (stmt == NULL)
+    return;
+
+  if (pp_needs_newline (pp))
+    pp_newline_and_indent (pp, 0);
+
+  dump_generic_node (pp_base (pp), stmt, pp_indentation (pp), 0, true);
+}
+
+
+/* Initialize the PRETTY-PRINTER for handling C codes.  */
+
+void
+pp_c_pretty_printer_init (c_pretty_printer *pp)
+{
+  pp->offset_list               = 0;
+
+  pp->declaration               = pp_c_declaration;
+  pp->declaration_specifiers    = pp_c_declaration_specifiers;
+  pp->declarator                = pp_c_declarator;
+  pp->direct_declarator         = pp_c_direct_declarator;
+  pp->type_specifier_seq        = pp_c_specifier_qualifier_list;
+  pp->abstract_declarator       = pp_c_abstract_declarator;
+  pp->direct_abstract_declarator = pp_c_direct_abstract_declarator;
+  pp->ptr_operator              = pp_c_pointer;
+  pp->parameter_list            = pp_c_parameter_type_list;
+  pp->type_id                   = pp_c_type_id;
+  pp->simple_type_specifier     = pp_c_type_specifier;
+  pp->function_specifier        = pp_c_function_specifier;
+  pp->storage_class_specifier   = pp_c_storage_class_specifier;
+
+  pp->statement                 = pp_c_statement;
+
+  pp->constant                  = pp_c_constant;
+  pp->id_expression             = pp_c_id_expression;
+  pp->primary_expression        = pp_c_primary_expression;
+  pp->postfix_expression        = pp_c_postfix_expression;
+  pp->unary_expression          = pp_c_unary_expression;
+  pp->initializer               = pp_c_initializer;
+  pp->multiplicative_expression = pp_c_multiplicative_expression;
+  pp->conditional_expression    = pp_c_conditional_expression;
+  pp->assignment_expression     = pp_c_assignment_expression;
+  pp->expression                = pp_c_expression;
+}
+
+
+/* Print the tree T in full, on file FILE.  */
+
+void
+print_c_tree (FILE *file, tree t)
+{
+  static c_pretty_printer pp_rec;
+  static bool initialized = 0;
+  c_pretty_printer *pp = &pp_rec;
+
+  if (!initialized)
+    {
+      initialized = 1;
+      pp_construct (pp_base (pp), NULL, 0);
+      pp_c_pretty_printer_init (pp);
+      pp_needs_newline (pp) = true;
+    }
+  pp_base (pp)->buffer->stream = file;
+
+  pp_statement (pp, t);
+
+  pp_newline (pp);
+  pp_flush (pp);
+}
+
+/* Print the tree T in full, on stderr.  */
+
+DEBUG_FUNCTION void
+debug_c_tree (tree t)
+{
+  print_c_tree (stderr, t);
+  fputc ('\n', stderr);
+}
+
+/* Output the DECL_NAME of T.  If T has no DECL_NAME, output a string made
+   up of T's memory address.  */
+
+void
+pp_c_tree_decl_identifier (c_pretty_printer *pp, tree t)
+{
+  const char *name;
+
+  gcc_assert (DECL_P (t));
+
+  if (DECL_NAME (t))
+    name = IDENTIFIER_POINTER (DECL_NAME (t));
+  else
+    {
+      static char xname[8];
+      sprintf (xname, "<U%4x>", ((unsigned)((uintptr_t)(t) & 0xffff)));
+      name = xname;
+    }
+
+  pp_c_identifier (pp, name);
+}