* gcc/doc/extended.texi: Replace the dash character with

[pf3gnuchains/gcc-fork.git] / gcc / intl.c

diff --git a/gcc/intl.c b/gcc/intl.c
index 87dad51..5b48615 100644 (file)
--- a/gcc/intl.c
+++ b/gcc/intl.c
@@ -1,11 +1,12 @@
 /* Message translation utilities.
-   Copyright (C) 2001 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+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
@@ -14,14 +15,31 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+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 "intl.h"
 
+#ifdef HAVE_LANGINFO_CODESET
+#include <langinfo.h>
+#endif
+
+/* Opening quotation mark for diagnostics.  */
+const char *open_quote = "'";
+
+/* Closing quotation mark for diagnostics.  */
+const char *close_quote = "'";
+
+/* The name of the locale encoding.  */
+const char *locale_encoding = NULL;
+
+/* Whether the locale is using UTF-8.  */
+bool locale_utf8 = false;
+
 #ifdef ENABLE_NLS
 
 /* Initialize the translation library for GCC.  This performs the
@@ -30,7 +48,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    terminal, so it has be set to output messages correctly.  */
 
 void
-gcc_init_libintl ()
+gcc_init_libintl (void)
 {
 #ifdef HAVE_LC_MESSAGES
   setlocale (LC_CTYPE, "");
@@ -41,6 +59,64 @@ gcc_init_libintl ()
 
   (void) bindtextdomain ("gcc", LOCALEDIR);
   (void) textdomain ("gcc");
+
+  /* Opening quotation mark.  */
+  open_quote = _("`");
+
+  /* Closing quotation mark.  */
+  close_quote = _("'");
+
+#if defined HAVE_LANGINFO_CODESET
+  locale_encoding = nl_langinfo (CODESET);
+  if (locale_encoding != NULL
+      && (!strcasecmp (locale_encoding, "utf-8")
+         || !strcasecmp (locale_encoding, "utf8")))
+    locale_utf8 = true;
+#endif
+
+  if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'"))
+    {
+      /* Untranslated quotes that it may be possible to replace with
+        U+2018 and U+2019; but otherwise use "'" instead of "`" as
+        opening quote.  */
+      open_quote = "'";
+#if defined HAVE_LANGINFO_CODESET
+      if (locale_utf8)
+       {
+         open_quote = "\xe2\x80\x98";
+         close_quote = "\xe2\x80\x99";
+       }
+#endif
+    }
+}
+
+#if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
+#include <wchar.h>
+
+/* Returns the width in columns of MSGSTR, which came from gettext.
+   This is for indenting subsequent output.  */
+
+size_t
+gcc_gettext_width (const char *msgstr)
+{
+  size_t nwcs = mbstowcs (0, msgstr, 0);
+  wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1);
+
+  mbstowcs (wmsgstr, msgstr, nwcs + 1);
+  return wcswidth (wmsgstr, nwcs);
+}
+
+#else  /* no wcswidth */
+
+/* We don't have any way of knowing how wide the string is.  Guess
+   the length of the string.  */
+
+size_t
+gcc_gettext_width (const char *msgstr)
+{
+  return strlen (msgstr);
 }
 
 #endif
+
+#endif /* ENABLE_NLS */