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1 /* Message translation utilities.
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2 Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008
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3 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tm.h"
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25 #include "intl.h"
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26
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27 #ifdef HAVE_LANGINFO_CODESET
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28 #include <langinfo.h>
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29 #endif
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30
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31 /* Opening quotation mark for diagnostics. */
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32 const char *open_quote = "'";
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33
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34 /* Closing quotation mark for diagnostics. */
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35 const char *close_quote = "'";
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36
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37 #ifdef ENABLE_NLS
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38
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39 /* Initialize the translation library for GCC. This performs the
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40 appropriate sequence of calls - setlocale, bindtextdomain,
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41 textdomain. LC_CTYPE determines the character set used by the
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42 terminal, so it has be set to output messages correctly. */
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43
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44 void
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45 gcc_init_libintl (void)
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46 {
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47 #ifdef HAVE_LC_MESSAGES
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48 setlocale (LC_CTYPE, "");
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49 setlocale (LC_MESSAGES, "");
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50 #else
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51 setlocale (LC_ALL, "");
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52 #endif
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53
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54 (void) bindtextdomain ("gcc", LOCALEDIR);
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55 (void) textdomain ("gcc");
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56
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57 /* Opening quotation mark. */
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58 open_quote = _("`");
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59
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60 /* Closing quotation mark. */
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61 close_quote = _("'");
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62
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63 if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'"))
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64 {
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65 #if defined HAVE_LANGINFO_CODESET
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66 const char *encoding;
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67 #endif
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68 /* Untranslated quotes that it may be possible to replace with
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69 U+2018 and U+2019; but otherwise use "'" instead of "`" as
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70 opening quote. */
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71 open_quote = "'";
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72 #if defined HAVE_LANGINFO_CODESET
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73 encoding = nl_langinfo (CODESET);
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74 if (encoding != NULL
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75 && (!strcasecmp (encoding, "utf-8")
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76 || !strcasecmp (encoding, "utf8")))
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77 {
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78 open_quote = "\xe2\x80\x98";
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79 close_quote = "\xe2\x80\x99";
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80 }
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81 #endif
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82 }
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83 }
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84
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85 #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
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86 #include <wchar.h>
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87
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88 /* Returns the width in columns of MSGSTR, which came from gettext.
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89 This is for indenting subsequent output. */
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90
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91 size_t
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92 gcc_gettext_width (const char *msgstr)
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93 {
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94 size_t nwcs = mbstowcs (0, msgstr, 0);
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95 wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1);
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96
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97 mbstowcs (wmsgstr, msgstr, nwcs + 1);
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98 return wcswidth (wmsgstr, nwcs);
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99 }
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100
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101 #else /* no wcswidth */
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102
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103 /* We don't have any way of knowing how wide the string is. Guess
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104 the length of the string. */
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105
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106 size_t
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107 gcc_gettext_width (const char *msgstr)
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108 {
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109 return strlen (msgstr);
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110 }
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111
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112 #endif
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113
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114 #endif /* ENABLE_NLS */
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