c-common.c: Move to c-family/.

gcc/ChangeLog:
	* c-common.c: Move to c-family/.
	* c-common.def: Likewise.
	* c-common.h: Likewise.
	* c-cppbuiltin.c: Likewise.
	* c-dump.c: Likewise.
	* c-format.c: Likewise.
	* c-format.h : Likewise.
	* c-gimplify.c: Likewise.
	* c-lex.c: Likewise.
	* c-omp.c: Likewise.
	* c.opt: Likewise.
	* c-opts.c: Likewise.
	* c-pch.c: Likewise.
	* c-ppoutput.c: Likewise.
	* c-pragma.c: Likewise.
	* c-pragma.h: Likewise.
	* c-pretty-print.c: Likewise.
	* c-pretty-print.h: Likewise.
	* c-semantics.c: Likewise.
	* stub-objc.c: Likewise.

	* gengtype.c (get_file_langdir): Special-case files in c-family/.
	(get_output_file_with_visibility): Fix name for c-common.h.
	* c-config-lang.in: Update paths in gtfiles for files in c-family/.

	* c-tree.h: Update include path for moved files.
	* c-lang.c: Likewise.
	* c-lang.h: Likewise.
	* c-parser.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-objc-common.c: Likewise.
	* configure.ac: Make sure c-family/ exists in the build directory.
	* configure: Regenerate.
	* Makefile.in: Update paths for moved files.  Regroup files per
	location and update dependencies.  Move generated_files down after
	ALL_GTFILES_H.

	* config/spu/spu-c.c: Update paths for moved files.
	* config/mep/mep-pragma.c: Likewise.
	* config/darwin-c.c: Likewise.
	* config/i386/msformat-c.c: Likewise.
	* config/i386/i386-c.c: Likewise.
	* config/avr/avr-c.c: Likewise.
	* config/sol2-c.c: Likewise.
	* config/ia64/ia64-c.c: Likewise.
	* config/rs6000/rs6000-c.c: Likewise.
	* config/arm/arm.c: Likewise.
	* config/arm/arm-c.c: Likewise.
	* config/h8300/h8300.c: Likewise.
	* config/v850/v850-c.c: Likewise.

	* config/t-darwin: Fix dependencies for moved files.
	* config/t-sol2: Fix dependencies for moved files.
	* config/mep/t-mep: Fix dependencies for moved files.
	* config/ia64/t-ia64: Fix dependencies for moved files.
	* config/rs6000/t-rs6000: Fix dependencies for moved files.
	* config/v850/t-v850: Fix dependencies for moved files.
	* config/v850/t-v850e: Fix dependencies for moved files.

	* config/m32c/m32c-pragma.c

	* po/exgettext: Look in c-family/ also.

c-family/ChangeLog:
	* c-common.c: Include gt-c-family-c-common.h.
	* c-pragma.c: Include gt-c-family-c-pragma.h.

objc/ChangeLog:
	* objc-act.c: Update include path for moved files.
	* objc-lang.c: Likewise.
	* config-lang.in: Update paths in gtfiles for files in c-family/.

objcp/ChangeLog:
	* objcp-lang.c: Update include path for moved files.
	* config-lang.in: Update paths in gtfiles for files in c-family/.

cp/ChangeLog:
	* typeck.c: Update include path for moved files.
	* decl.c: Likewise.
	* rtti.c: Likewise.
	* cp-gimplify.c: Likewise.
	* cp-lang.c: Likewise.
	* pt.c: Likewise.
	* semantics.c: Likewise.
	* cxx-pretty-print.h: Likewise.
	* decl2.c: Likewise.
	* parser.c: Likewise.
	* cp-objcp-common.c: Likewise.
	* cp-tree.h: Likewise.
	* name-lookup.c: Likewise.
	* lex.c: Likewise.
	* name-lookup.h: Likewise.
	* config-lang.in: Update paths in gtfiles for files in c-family/.
	* Make-lang.in: Likewise.

From-SVN: r160330

1 files changed, 0 insertions, 1058 deletions

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
deleted file mode 100644
index 5af574d..0000000
--- a/gcc/c-lex.c
+++ /dev/null
@@ -1,1058 +0,0 @@
-/* Mainly the interface between cpplib and the C front ends.
-   Copyright (C) 1987, 1988, 1989, 1992, 1994, 1995, 1996, 1997
-   1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 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 "input.h"
-#include "output.h"
-#include "c-common.h"
-#include "flags.h"
-#include "timevar.h"
-#include "cpplib.h"
-#include "c-pragma.h"
-#include "toplev.h"
-#include "intl.h"
-#include "splay-tree.h"
-#include "debug.h"
-#include "target.h"
-
-/* We may keep statistics about how long which files took to compile.  */
-static int header_time, body_time;
-static splay_tree file_info_tree;
-
-int pending_lang_change; /* If we need to switch languages - C++ only */
-int c_header_level;	 /* depth in C headers - C++ only */
-
-static tree interpret_integer (const cpp_token *, unsigned int);
-static tree interpret_float (const cpp_token *, unsigned int);
-static tree interpret_fixed (const cpp_token *, unsigned int);
-static enum integer_type_kind narrowest_unsigned_type
-	(unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT, unsigned int);
-static enum integer_type_kind narrowest_signed_type
-	(unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT, unsigned int);
-static enum cpp_ttype lex_string (const cpp_token *, tree *, bool, bool);
-static tree lex_charconst (const cpp_token *);
-static void update_header_times (const char *);
-static int dump_one_header (splay_tree_node, void *);
-static void cb_line_change (cpp_reader *, const cpp_token *, int);
-static void cb_ident (cpp_reader *, unsigned int, const cpp_string *);
-static void cb_def_pragma (cpp_reader *, unsigned int);
-static void cb_define (cpp_reader *, unsigned int, cpp_hashnode *);
-static void cb_undef (cpp_reader *, unsigned int, cpp_hashnode *);
-
-void
-init_c_lex (void)
-{
-  struct cpp_callbacks *cb;
-  struct c_fileinfo *toplevel;
-
-  /* The get_fileinfo data structure must be initialized before
-     cpp_read_main_file is called.  */
-  toplevel = get_fileinfo ("<top level>");
-  if (flag_detailed_statistics)
-    {
-      header_time = 0;
-      body_time = get_run_time ();
-      toplevel->time = body_time;
-    }
-
-  cb = cpp_get_callbacks (parse_in);
-
-  cb->line_change = cb_line_change;
-  cb->ident = cb_ident;
-  cb->def_pragma = cb_def_pragma;
-  cb->valid_pch = c_common_valid_pch;
-  cb->read_pch = c_common_read_pch;
-
-  /* Set the debug callbacks if we can use them.  */
-  if (debug_info_level == DINFO_LEVEL_VERBOSE
-      && (write_symbols == DWARF2_DEBUG
-	  || write_symbols == VMS_AND_DWARF2_DEBUG))
-    {
-      cb->define = cb_define;
-      cb->undef = cb_undef;
-    }
-}
-
-struct c_fileinfo *
-get_fileinfo (const char *name)
-{
-  splay_tree_node n;
-  struct c_fileinfo *fi;
-
-  if (!file_info_tree)
-    file_info_tree = splay_tree_new ((splay_tree_compare_fn) strcmp,
-				     0,
-				     (splay_tree_delete_value_fn) free);
-
-  n = splay_tree_lookup (file_info_tree, (splay_tree_key) name);
-  if (n)
-    return (struct c_fileinfo *) n->value;
-
-  fi = XNEW (struct c_fileinfo);
-  fi->time = 0;
-  fi->interface_only = 0;
-  fi->interface_unknown = 1;
-  splay_tree_insert (file_info_tree, (splay_tree_key) name,
-		     (splay_tree_value) fi);
-  return fi;
-}
-
-static void
-update_header_times (const char *name)
-{
-  /* Changing files again.  This means currently collected time
-     is charged against header time, and body time starts back at 0.  */
-  if (flag_detailed_statistics)
-    {
-      int this_time = get_run_time ();
-      struct c_fileinfo *file = get_fileinfo (name);
-      header_time += this_time - body_time;
-      file->time += this_time - body_time;
-      body_time = this_time;
-    }
-}
-
-static int
-dump_one_header (splay_tree_node n, void * ARG_UNUSED (dummy))
-{
-  print_time ((const char *) n->key,
-	      ((struct c_fileinfo *) n->value)->time);
-  return 0;
-}
-
-void
-dump_time_statistics (void)
-{
-  struct c_fileinfo *file = get_fileinfo (input_filename);
-  int this_time = get_run_time ();
-  file->time += this_time - body_time;
-
-  fprintf (stderr, "\n******\n");
-  print_time ("header files (total)", header_time);
-  print_time ("main file (total)", this_time - body_time);
-  fprintf (stderr, "ratio = %g : 1\n",
-	   (double) header_time / (double) (this_time - body_time));
-  fprintf (stderr, "\n******\n");
-
-  splay_tree_foreach (file_info_tree, dump_one_header, 0);
-}
-
-static void
-cb_ident (cpp_reader * ARG_UNUSED (pfile),
-	  unsigned int ARG_UNUSED (line),
-	  const cpp_string * ARG_UNUSED (str))
-{
-#ifdef ASM_OUTPUT_IDENT
-  if (!flag_no_ident)
-    {
-      /* Convert escapes in the string.  */
-      cpp_string cstr = { 0, 0 };
-      if (cpp_interpret_string (pfile, str, 1, &cstr, CPP_STRING))
-	{
-	  ASM_OUTPUT_IDENT (asm_out_file, (const char *) cstr.text);
-	  free (CONST_CAST (unsigned char *, cstr.text));
-	}
-    }
-#endif
-}
-
-/* Called at the start of every non-empty line.  TOKEN is the first
-   lexed token on the line.  Used for diagnostic line numbers.  */
-static void
-cb_line_change (cpp_reader * ARG_UNUSED (pfile), const cpp_token *token,
-		int parsing_args)
-{
-  if (token->type != CPP_EOF && !parsing_args)
-    input_location = token->src_loc;
-}
-
-void
-fe_file_change (const struct line_map *new_map)
-{
-  if (new_map == NULL)
-    return;
-
-  if (new_map->reason == LC_ENTER)
-    {
-      /* Don't stack the main buffer on the input stack;
-	 we already did in compile_file.  */
-      if (!MAIN_FILE_P (new_map))
-	{
-	  unsigned int included_at = LAST_SOURCE_LINE_LOCATION (new_map - 1);
-	  int line = 0;
-	  if (included_at > BUILTINS_LOCATION)
-	    line = SOURCE_LINE (new_map - 1, included_at);
-
-	  input_location = new_map->start_location;
-	  (*debug_hooks->start_source_file) (line, new_map->to_file);
-#ifndef NO_IMPLICIT_EXTERN_C
-	  if (c_header_level)
-	    ++c_header_level;
-	  else if (new_map->sysp == 2)
-	    {
-	      c_header_level = 1;
-	      ++pending_lang_change;
-	    }
-#endif
-	}
-    }
-  else if (new_map->reason == LC_LEAVE)
-    {
-#ifndef NO_IMPLICIT_EXTERN_C
-      if (c_header_level && --c_header_level == 0)
-	{
-	  if (new_map->sysp == 2)
-	    warning (0, "badly nested C headers from preprocessor");
-	  --pending_lang_change;
-	}
-#endif
-      input_location = new_map->start_location;
-
-      (*debug_hooks->end_source_file) (new_map->to_line);
-    }
-
-  update_header_times (new_map->to_file);
-  input_location = new_map->start_location;
-}
-
-static void
-cb_def_pragma (cpp_reader *pfile, source_location loc)
-{
-  /* Issue a warning message if we have been asked to do so.  Ignore
-     unknown pragmas in system headers unless an explicit
-     -Wunknown-pragmas has been given.  */
-  if (warn_unknown_pragmas > in_system_header)
-    {
-      const unsigned char *space, *name;
-      const cpp_token *s;
-      location_t fe_loc = loc;
-
-      space = name = (const unsigned char *) "";
-      s = cpp_get_token (pfile);
-      if (s->type != CPP_EOF)
-	{
-	  space = cpp_token_as_text (pfile, s);
-	  s = cpp_get_token (pfile);
-	  if (s->type == CPP_NAME)
-	    name = cpp_token_as_text (pfile, s);
-	}
-
-      warning_at (fe_loc, OPT_Wunknown_pragmas, "ignoring #pragma %s %s",
-		  space, name);
-    }
-}
-
-/* #define callback for DWARF and DWARF2 debug info.  */
-static void
-cb_define (cpp_reader *pfile, source_location loc, cpp_hashnode *node)
-{
-  const struct line_map *map = linemap_lookup (line_table, loc);
-  (*debug_hooks->define) (SOURCE_LINE (map, loc),
-			  (const char *) cpp_macro_definition (pfile, node));
-}
-
-/* #undef callback for DWARF and DWARF2 debug info.  */
-static void
-cb_undef (cpp_reader * ARG_UNUSED (pfile), source_location loc,
-	  cpp_hashnode *node)
-{
-  const struct line_map *map = linemap_lookup (line_table, loc);
-  (*debug_hooks->undef) (SOURCE_LINE (map, loc),
-			 (const char *) NODE_NAME (node));
-}
-
-/* Read a token and return its type.  Fill *VALUE with its value, if
-   applicable.  Fill *CPP_FLAGS with the token's flags, if it is
-   non-NULL.  */
-
-enum cpp_ttype
-c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags,
-		  int lex_flags)
-{
-  static bool no_more_pch;
-  const cpp_token *tok;
-  enum cpp_ttype type;
-  unsigned char add_flags = 0;
-
-  timevar_push (TV_CPP);
- retry:
-  tok = cpp_get_token_with_location (parse_in, loc);
-  type = tok->type;
-
- retry_after_at:
-  switch (type)
-    {
-    case CPP_PADDING:
-      goto retry;
-
-    case CPP_NAME:
-      *value = HT_IDENT_TO_GCC_IDENT (HT_NODE (tok->val.node.node));
-      break;
-
-    case CPP_NUMBER:
-      {
-	unsigned int flags = cpp_classify_number (parse_in, tok);
-
-	switch (flags & CPP_N_CATEGORY)
-	  {
-	  case CPP_N_INVALID:
-	    /* cpplib has issued an error.  */
-	    *value = error_mark_node;
-	    break;
-
-	  case CPP_N_INTEGER:
-	    /* C++ uses '0' to mark virtual functions as pure.
-	       Set PURE_ZERO to pass this information to the C++ parser.  */
-	    if (tok->val.str.len == 1 && *tok->val.str.text == '0')
-	      add_flags = PURE_ZERO;
-	    *value = interpret_integer (tok, flags);
-	    break;
-
-	  case CPP_N_FLOATING:
-	    *value = interpret_float (tok, flags);
-	    break;
-
-	  default:
-	    gcc_unreachable ();
-	  }
-      }
-      break;
-
-    case CPP_ATSIGN:
-      /* An @ may give the next token special significance in Objective-C.  */
-      if (c_dialect_objc ())
-	{
-	  location_t atloc = *loc;
-	  location_t newloc;
-
-	retry_at:
-	  tok = cpp_get_token_with_location (parse_in, &newloc);
-	  type = tok->type;
-	  switch (type)
-	    {
-	    case CPP_PADDING:
-	      goto retry_at;
-
-	    case CPP_STRING:
-	    case CPP_WSTRING:
-	    case CPP_STRING16:
-	    case CPP_STRING32:
-	    case CPP_UTF8STRING:
-	      type = lex_string (tok, value, true, true);
-	      break;
-
-	    case CPP_NAME:
-	      *value = HT_IDENT_TO_GCC_IDENT (HT_NODE (tok->val.node.node));
-	      if (objc_is_reserved_word (*value))
-		{
-		  type = CPP_AT_NAME;
-		  break;
-		}
-	      /* FALLTHROUGH */
-
-	    default:
-	      /* ... or not.  */
-	      error_at (atloc, "stray %<@%> in program");
-	      *loc = newloc;
-	      goto retry_after_at;
-	    }
-	  break;
-	}
-
-      /* FALLTHROUGH */
-    case CPP_HASH:
-    case CPP_PASTE:
-      {
-	unsigned char name[8];
-
-	*cpp_spell_token (parse_in, tok, name, true) = 0;
-
-	error ("stray %qs in program", name);
-      }
-
-      goto retry;
-
-    case CPP_OTHER:
-      {
-	cppchar_t c = tok->val.str.text[0];
-
-	if (c == '"' || c == '\'')
-	  error ("missing terminating %c character", (int) c);
-	else if (ISGRAPH (c))
-	  error ("stray %qc in program", (int) c);
-	else
-	  error ("stray %<\\%o%> in program", (int) c);
-      }
-      goto retry;
-
-    case CPP_CHAR:
-    case CPP_WCHAR:
-    case CPP_CHAR16:
-    case CPP_CHAR32:
-      *value = lex_charconst (tok);
-      break;
-
-    case CPP_STRING:
-    case CPP_WSTRING:
-    case CPP_STRING16:
-    case CPP_STRING32:
-    case CPP_UTF8STRING:
-      if ((lex_flags & C_LEX_STRING_NO_JOIN) == 0)
-	{
-	  type = lex_string (tok, value, false,
-			     (lex_flags & C_LEX_STRING_NO_TRANSLATE) == 0);
-	  break;
-	}
-      *value = build_string (tok->val.str.len, (const char *) tok->val.str.text);
-      break;
-
-    case CPP_PRAGMA:
-      *value = build_int_cst (NULL, tok->val.pragma);
-      break;
-
-      /* These tokens should not be visible outside cpplib.  */
-    case CPP_HEADER_NAME:
-    case CPP_MACRO_ARG:
-      gcc_unreachable ();
-
-    /* CPP_COMMENT will appear when compiling with -C and should be
-       ignored.  */
-     case CPP_COMMENT:
-       goto retry;
-
-    default:
-      *value = NULL_TREE;
-      break;
-    }
-
-  if (cpp_flags)
-    *cpp_flags = tok->flags | add_flags;
-
-  if (!no_more_pch)
-    {
-      no_more_pch = true;
-      c_common_no_more_pch ();
-    }
-
-  timevar_pop (TV_CPP);
-
-  return type;
-}
-
-/* Returns the narrowest C-visible unsigned type, starting with the
-   minimum specified by FLAGS, that can fit HIGH:LOW, or itk_none if
-   there isn't one.  */
-
-static enum integer_type_kind
-narrowest_unsigned_type (unsigned HOST_WIDE_INT low,
-			 unsigned HOST_WIDE_INT high,
-			 unsigned int flags)
-{
-  int itk;
-
-  if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-    itk = itk_unsigned_int;
-  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-    itk = itk_unsigned_long;
-  else
-    itk = itk_unsigned_long_long;
-
-  for (; itk < itk_none; itk += 2 /* skip unsigned types */)
-    {
-      tree upper;
-
-      if (integer_types[itk] == NULL_TREE)
-	continue;
-      upper = TYPE_MAX_VALUE (integer_types[itk]);
-
-      if ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) > high
-	  || ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) == high
-	      && TREE_INT_CST_LOW (upper) >= low))
-	return (enum integer_type_kind) itk;
-    }
-
-  return itk_none;
-}
-
-/* Ditto, but narrowest signed type.  */
-static enum integer_type_kind
-narrowest_signed_type (unsigned HOST_WIDE_INT low,
-		       unsigned HOST_WIDE_INT high, unsigned int flags)
-{
-  int itk;
-
-  if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-    itk = itk_int;
-  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-    itk = itk_long;
-  else
-    itk = itk_long_long;
-
-
-  for (; itk < itk_none; itk += 2 /* skip signed types */)
-    {
-      tree upper;
-
-      if (integer_types[itk] == NULL_TREE)
-	continue;
-      upper = TYPE_MAX_VALUE (integer_types[itk]);
-
-      if ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) > high
-	  || ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) == high
-	      && TREE_INT_CST_LOW (upper) >= low))
-	return (enum integer_type_kind) itk;
-    }
-
-  return itk_none;
-}
-
-/* Interpret TOKEN, an integer with FLAGS as classified by cpplib.  */
-static tree
-interpret_integer (const cpp_token *token, unsigned int flags)
-{
-  tree value, type;
-  enum integer_type_kind itk;
-  cpp_num integer;
-  cpp_options *options = cpp_get_options (parse_in);
-
-  integer = cpp_interpret_integer (parse_in, token, flags);
-  integer = cpp_num_sign_extend (integer, options->precision);
-
-  /* The type of a constant with a U suffix is straightforward.  */
-  if (flags & CPP_N_UNSIGNED)
-    itk = narrowest_unsigned_type (integer.low, integer.high, flags);
-  else
-    {
-      /* The type of a potentially-signed integer constant varies
-	 depending on the base it's in, the standard in use, and the
-	 length suffixes.  */
-      enum integer_type_kind itk_u
-	= narrowest_unsigned_type (integer.low, integer.high, flags);
-      enum integer_type_kind itk_s
-	= narrowest_signed_type (integer.low, integer.high, flags);
-
-      /* In both C89 and C99, octal and hex constants may be signed or
-	 unsigned, whichever fits tighter.  We do not warn about this
-	 choice differing from the traditional choice, as the constant
-	 is probably a bit pattern and either way will work.  */
-      if ((flags & CPP_N_RADIX) != CPP_N_DECIMAL)
-	itk = MIN (itk_u, itk_s);
-      else
-	{
-	  /* In C99, decimal constants are always signed.
-	     In C89, decimal constants that don't fit in long have
-	     undefined behavior; we try to make them unsigned long.
-	     In GCC's extended C89, that last is true of decimal
-	     constants that don't fit in long long, too.  */
-
-	  itk = itk_s;
-	  if (itk_s > itk_u && itk_s > itk_long)
-	    {
-	      if (!flag_isoc99)
-		{
-		  if (itk_u < itk_unsigned_long)
-		    itk_u = itk_unsigned_long;
-		  itk = itk_u;
-		  warning (0, "this decimal constant is unsigned only in ISO C90");
-		}
-	      else
-		warning (OPT_Wtraditional,
-			 "this decimal constant would be unsigned in ISO C90");
-	    }
-	}
-    }
-
-  if (itk == itk_none)
-    /* cpplib has already issued a warning for overflow.  */
-    type = ((flags & CPP_N_UNSIGNED)
-	    ? widest_unsigned_literal_type_node
-	    : widest_integer_literal_type_node);
-  else
-    {
-      type = integer_types[itk];
-      if (itk > itk_unsigned_long
-	  && (flags & CPP_N_WIDTH) != CPP_N_LARGE)
-	emit_diagnostic
-	  ((c_dialect_cxx () ? cxx_dialect == cxx98 : !flag_isoc99)
-	   ? DK_PEDWARN : DK_WARNING,
-	   input_location, OPT_Wlong_long,
-	   (flags & CPP_N_UNSIGNED)
-	   ? "integer constant is too large for %<unsigned long%> type"
-	   : "integer constant is too large for %<long%> type");
-    }
-
-  value = build_int_cst_wide (type, integer.low, integer.high);
-
-  /* Convert imaginary to a complex type.  */
-  if (flags & CPP_N_IMAGINARY)
-    value = build_complex (NULL_TREE, build_int_cst (type, 0), value);
-
-  return value;
-}
-
-/* Interpret TOKEN, a floating point number with FLAGS as classified
-   by cpplib.  */
-static tree
-interpret_float (const cpp_token *token, unsigned int flags)
-{
-  tree type;
-  tree const_type;
-  tree value;
-  REAL_VALUE_TYPE real;
-  REAL_VALUE_TYPE real_trunc;
-  char *copy;
-  size_t copylen;
-
-  /* Default (no suffix) depends on whether the FLOAT_CONST_DECIMAL64
-     pragma has been used and is either double or _Decimal64.  Types
-     that are not allowed with decimal float default to double.  */
-  if (flags & CPP_N_DEFAULT)
-    {
-      flags ^= CPP_N_DEFAULT;
-      flags |= CPP_N_MEDIUM;
-
-      if (((flags & CPP_N_HEX) == 0) && ((flags & CPP_N_IMAGINARY) == 0))
-	{
-	  warning (OPT_Wunsuffixed_float_constants,
-		   "unsuffixed float constant");
-	  if (float_const_decimal64_p ())
-	    flags |= CPP_N_DFLOAT;
-	}
-    }
-
-  /* Decode _Fract and _Accum.  */
-  if (flags & CPP_N_FRACT || flags & CPP_N_ACCUM)
-    return interpret_fixed (token, flags);
-
-  /* Decode type based on width and properties. */
-  if (flags & CPP_N_DFLOAT)
-    if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-      type = dfloat128_type_node;
-    else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-      type = dfloat32_type_node;
-    else
-      type = dfloat64_type_node;
-  else
-    if (flags & CPP_N_WIDTH_MD)
-      {
-	char suffix;
-	enum machine_mode mode;
-
-	if ((flags & CPP_N_WIDTH_MD) == CPP_N_MD_W)
-	  suffix = 'w';
-	else
-	  suffix = 'q';
-
-	mode = targetm.c.mode_for_suffix (suffix);
-	if (mode == VOIDmode)
-	  {
-	    error ("unsupported non-standard suffix on floating constant");
-
-	    return error_mark_node;
-	  }
-	else
-	  pedwarn (input_location, OPT_pedantic, "non-standard suffix on floating constant");
-
-	type = c_common_type_for_mode (mode, 0);
-	gcc_assert (type);
-      }
-    else if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-      type = long_double_type_node;
-    else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL
-	     || flag_single_precision_constant)
-      type = float_type_node;
-    else
-      type = double_type_node;
-
-  const_type = excess_precision_type (type);
-  if (!const_type)
-    const_type = type;
-
-  /* Copy the constant to a nul-terminated buffer.  If the constant
-     has any suffixes, cut them off; REAL_VALUE_ATOF/ REAL_VALUE_HTOF
-     can't handle them.  */
-  copylen = token->val.str.len;
-  if (flags & CPP_N_DFLOAT)
-    copylen -= 2;
-  else
-    {
-      if ((flags & CPP_N_WIDTH) != CPP_N_MEDIUM)
-	/* Must be an F or L or machine defined suffix.  */
-	copylen--;
-      if (flags & CPP_N_IMAGINARY)
-	/* I or J suffix.  */
-	copylen--;
-    }
-
-  copy = (char *) alloca (copylen + 1);
-  memcpy (copy, token->val.str.text, copylen);
-  copy[copylen] = '\0';
-
-  real_from_string3 (&real, copy, TYPE_MODE (const_type));
-  if (const_type != type)
-    /* Diagnosing if the result of converting the value with excess
-       precision to the semantic type would overflow (with associated
-       double rounding) is more appropriate than diagnosing if the
-       result of converting the string directly to the semantic type
-       would overflow.  */
-    real_convert (&real_trunc, TYPE_MODE (type), &real);
-
-  /* Both C and C++ require a diagnostic for a floating constant
-     outside the range of representable values of its type.  Since we
-     have __builtin_inf* to produce an infinity, this is now a
-     mandatory pedwarn if the target does not support infinities.  */
-  if (REAL_VALUE_ISINF (real)
-      || (const_type != type && REAL_VALUE_ISINF (real_trunc)))
-    {
-      if (!MODE_HAS_INFINITIES (TYPE_MODE (type)))
-	pedwarn (input_location, 0, "floating constant exceeds range of %qT", type);
-      else
-	warning (OPT_Woverflow, "floating constant exceeds range of %qT", type);
-    }
-  /* We also give a warning if the value underflows.  */
-  else if (REAL_VALUES_EQUAL (real, dconst0)
-	   || (const_type != type && REAL_VALUES_EQUAL (real_trunc, dconst0)))
-    {
-      REAL_VALUE_TYPE realvoidmode;
-      int overflow = real_from_string (&realvoidmode, copy);
-      if (overflow < 0 || !REAL_VALUES_EQUAL (realvoidmode, dconst0))
-	warning (OPT_Woverflow, "floating constant truncated to zero");
-    }
-
-  /* Create a node with determined type and value.  */
-  value = build_real (const_type, real);
-  if (flags & CPP_N_IMAGINARY)
-    value = build_complex (NULL_TREE, convert (const_type, integer_zero_node),
-			   value);
-
-  if (type != const_type)
-    value = build1 (EXCESS_PRECISION_EXPR, type, value);
-
-  return value;
-}
-
-/* Interpret TOKEN, a fixed-point number with FLAGS as classified
-   by cpplib.  */
-
-static tree
-interpret_fixed (const cpp_token *token, unsigned int flags)
-{
-  tree type;
-  tree value;
-  FIXED_VALUE_TYPE fixed;
-  char *copy;
-  size_t copylen;
-
-  copylen = token->val.str.len;
-
-  if (flags & CPP_N_FRACT) /* _Fract.  */
-    {
-      if (flags & CPP_N_UNSIGNED) /* Unsigned _Fract.  */
-	{
-	  if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-	    {
-	      type = unsigned_long_long_fract_type_node;
-	      copylen -= 4;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-	    {
-	      type = unsigned_long_fract_type_node;
-	      copylen -= 3;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-	    {
-	      type = unsigned_short_fract_type_node;
-	      copylen -= 3;
-	    }
-          else
-	    {
-	      type = unsigned_fract_type_node;
-	      copylen -= 2;
-	    }
-	}
-      else /* Signed _Fract.  */
-	{
-	  if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-	    {
-	      type = long_long_fract_type_node;
-	      copylen -= 3;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-	    {
-	      type = long_fract_type_node;
-	      copylen -= 2;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-	    {
-	      type = short_fract_type_node;
-	      copylen -= 2;
-	    }
-          else
-	    {
-	      type = fract_type_node;
-	      copylen --;
-	    }
-	  }
-    }
-  else /* _Accum.  */
-    {
-      if (flags & CPP_N_UNSIGNED) /* Unsigned _Accum.  */
-	{
-	  if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-	    {
-	      type = unsigned_long_long_accum_type_node;
-	      copylen -= 4;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-	    {
-	      type = unsigned_long_accum_type_node;
-	      copylen -= 3;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-	    {
-	      type = unsigned_short_accum_type_node;
-	      copylen -= 3;
-	     }
-	  else
-	    {
-	      type = unsigned_accum_type_node;
-	      copylen -= 2;
-	    }
-	}
-      else /* Signed _Accum.  */
-        {
-	  if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
-	    {
-	      type = long_long_accum_type_node;
-	      copylen -= 3;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_MEDIUM)
-	    {
-	      type = long_accum_type_node;
-	      copylen -= 2;
-	    }
-	  else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
-	    {
-	      type = short_accum_type_node;
-	      copylen -= 2;
-	    }
-	  else
-	    {
-	      type = accum_type_node;
-	      copylen --;
-	    }
-	}
-    }
-
-  copy = (char *) alloca (copylen + 1);
-  memcpy (copy, token->val.str.text, copylen);
-  copy[copylen] = '\0';
-
-  fixed_from_string (&fixed, copy, TYPE_MODE (type));
-
-  /* Create a node with determined type and value.  */
-  value = build_fixed (type, fixed);
-
-  return value;
-}
-
-/* Convert a series of STRING, WSTRING, STRING16, STRING32 and/or
-   UTF8STRING tokens into a tree, performing string constant
-   concatenation.  TOK is the first of these.  VALP is the location
-   to write the string into. OBJC_STRING indicates whether an '@' token
-   preceded the incoming token.
-   Returns the CPP token type of the result (CPP_STRING, CPP_WSTRING,
-   CPP_STRING32, CPP_STRING16, CPP_UTF8STRING, or CPP_OBJC_STRING).
-
-   This is unfortunately more work than it should be.  If any of the
-   strings in the series has an L prefix, the result is a wide string
-   (6.4.5p4).  Whether or not the result is a wide string affects the
-   meaning of octal and hexadecimal escapes (6.4.4.4p6,9).  But escape
-   sequences do not continue across the boundary between two strings in
-   a series (6.4.5p7), so we must not lose the boundaries.  Therefore
-   cpp_interpret_string takes a vector of cpp_string structures, which
-   we must arrange to provide.  */
-
-static enum cpp_ttype
-lex_string (const cpp_token *tok, tree *valp, bool objc_string, bool translate)
-{
-  tree value;
-  size_t concats = 0;
-  struct obstack str_ob;
-  cpp_string istr;
-  enum cpp_ttype type = tok->type;
-
-  /* Try to avoid the overhead of creating and destroying an obstack
-     for the common case of just one string.  */
-  cpp_string str = tok->val.str;
-  cpp_string *strs = &str;
-
- retry:
-  tok = cpp_get_token (parse_in);
-  switch (tok->type)
-    {
-    case CPP_PADDING:
-      goto retry;
-    case CPP_ATSIGN:
-      if (c_dialect_objc ())
-	{
-	  objc_string = true;
-	  goto retry;
-	}
-      /* FALLTHROUGH */
-
-    default:
-      break;
-
-    case CPP_WSTRING:
-    case CPP_STRING16:
-    case CPP_STRING32:
-    case CPP_UTF8STRING:
-      if (type != tok->type)
-	{
-	  if (type == CPP_STRING)
-	    type = tok->type;
-	  else
-	    error ("unsupported non-standard concatenation of string literals");
-	}
-
-    case CPP_STRING:
-      if (!concats)
-	{
-	  gcc_obstack_init (&str_ob);
-	  obstack_grow (&str_ob, &str, sizeof (cpp_string));
-	}
-
-      concats++;
-      obstack_grow (&str_ob, &tok->val.str, sizeof (cpp_string));
-      goto retry;
-    }
-
-  /* We have read one more token than we want.  */
-  _cpp_backup_tokens (parse_in, 1);
-  if (concats)
-    strs = XOBFINISH (&str_ob, cpp_string *);
-
-  if (concats && !objc_string && !in_system_header)
-    warning (OPT_Wtraditional,
-	     "traditional C rejects string constant concatenation");
-
-  if ((translate
-       ? cpp_interpret_string : cpp_interpret_string_notranslate)
-      (parse_in, strs, concats + 1, &istr, type))
-    {
-      value = build_string (istr.len, (const char *) istr.text);
-      free (CONST_CAST (unsigned char *, istr.text));
-    }
-  else
-    {
-      /* Callers cannot generally handle error_mark_node in this context,
-	 so return the empty string instead.  cpp_interpret_string has
-	 issued an error.  */
-      switch (type)
-	{
-	default:
-	case CPP_STRING:
-	case CPP_UTF8STRING:
-	  value = build_string (1, "");
-	  break;
-	case CPP_STRING16:
-	  value = build_string (TYPE_PRECISION (char16_type_node)
-				/ TYPE_PRECISION (char_type_node),
-				"\0");  /* char16_t is 16 bits */
-	  break;
-	case CPP_STRING32:
-	  value = build_string (TYPE_PRECISION (char32_type_node)
-				/ TYPE_PRECISION (char_type_node),
-				"\0\0\0");  /* char32_t is 32 bits */
-	  break;
-	case CPP_WSTRING:
-	  value = build_string (TYPE_PRECISION (wchar_type_node)
-				/ TYPE_PRECISION (char_type_node),
-				"\0\0\0");  /* widest supported wchar_t
-					       is 32 bits */
-	  break;
-        }
-    }
-
-  switch (type)
-    {
-    default:
-    case CPP_STRING:
-    case CPP_UTF8STRING:
-      TREE_TYPE (value) = char_array_type_node;
-      break;
-    case CPP_STRING16:
-      TREE_TYPE (value) = char16_array_type_node;
-      break;
-    case CPP_STRING32:
-      TREE_TYPE (value) = char32_array_type_node;
-      break;
-    case CPP_WSTRING:
-      TREE_TYPE (value) = wchar_array_type_node;
-    }
-  *valp = fix_string_type (value);
-
-  if (concats)
-    obstack_free (&str_ob, 0);
-
-  return objc_string ? CPP_OBJC_STRING : type;
-}
-
-/* Converts a (possibly wide) character constant token into a tree.  */
-static tree
-lex_charconst (const cpp_token *token)
-{
-  cppchar_t result;
-  tree type, value;
-  unsigned int chars_seen;
-  int unsignedp = 0;
-
-  result = cpp_interpret_charconst (parse_in, token,
-				    &chars_seen, &unsignedp);
-
-  if (token->type == CPP_WCHAR)
-    type = wchar_type_node;
-  else if (token->type == CPP_CHAR32)
-    type = char32_type_node;
-  else if (token->type == CPP_CHAR16)
-    type = char16_type_node;
-  /* In C, a character constant has type 'int'.
-     In C++ 'char', but multi-char charconsts have type 'int'.  */
-  else if (!c_dialect_cxx () || chars_seen > 1)
-    type = integer_type_node;
-  else
-    type = char_type_node;
-
-  /* Cast to cppchar_signed_t to get correct sign-extension of RESULT
-     before possibly widening to HOST_WIDE_INT for build_int_cst.  */
-  if (unsignedp || (cppchar_signed_t) result >= 0)
-    value = build_int_cst_wide (type, result, 0);
-  else
-    value = build_int_cst_wide (type, (cppchar_signed_t) result, -1);
-
-  return value;
-}