Line data Source code
1 : /* Message translation utilities.
2 : Copyright (C) 2001-2026 Free Software Foundation, Inc.
3 :
4 : This file is part of GCC.
5 :
6 : GCC is free software; you can redistribute it and/or modify it under
7 : the terms of the GNU General Public License as published by the Free
8 : Software Foundation; either version 3, or (at your option) any later
9 : version.
10 :
11 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 : for more details.
15 :
16 : You should have received a copy of the GNU General Public License
17 : along with GCC; see the file COPYING3. If not see
18 : <http://www.gnu.org/licenses/>. */
19 :
20 : #include "config.h"
21 : #include "system.h"
22 : #include "coretypes.h"
23 : #include "intl.h"
24 :
25 : #ifdef HAVE_LANGINFO_CODESET
26 : #include <langinfo.h>
27 : #endif
28 :
29 : /* Opening quotation mark for diagnostics. */
30 : const char *open_quote = "'";
31 :
32 : /* Closing quotation mark for diagnostics. */
33 : const char *close_quote = "'";
34 :
35 : /* The name of the locale encoding. */
36 : const char *locale_encoding = NULL;
37 :
38 : /* Whether the locale is using UTF-8. */
39 : bool locale_utf8 = false;
40 :
41 : #ifdef ENABLE_NLS
42 :
43 : /* Initialize the translation library for GCC. This performs the
44 : appropriate sequence of calls - setlocale, bindtextdomain,
45 : textdomain. LC_CTYPE determines the character set used by the
46 : terminal, so it has be set to output messages correctly. */
47 :
48 : void
49 685854 : gcc_init_libintl (void)
50 : {
51 : #ifdef HAVE_LC_MESSAGES
52 685854 : setlocale (LC_CTYPE, "");
53 685854 : setlocale (LC_MESSAGES, "");
54 : #else
55 : setlocale (LC_ALL, "");
56 : #endif
57 :
58 685854 : (void) bindtextdomain ("gcc", LOCALEDIR);
59 685854 : (void) textdomain ("gcc");
60 :
61 : /* Opening quotation mark. */
62 685854 : open_quote = _("`");
63 :
64 : /* Closing quotation mark. */
65 685854 : close_quote = _("'");
66 :
67 : #if defined HAVE_LANGINFO_CODESET
68 685854 : locale_encoding = nl_langinfo (CODESET);
69 685854 : if (locale_encoding != NULL
70 685854 : && (!strcasecmp (locale_encoding, "utf-8")
71 623184 : || !strcasecmp (locale_encoding, "utf8")))
72 62670 : locale_utf8 = true;
73 : #endif
74 :
75 685854 : if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'"))
76 : {
77 : /* Untranslated quotes that it may be possible to replace with
78 : U+2018 and U+2019; but otherwise use "'" instead of "`" as
79 : opening quote. */
80 685854 : open_quote = "'";
81 : #if defined HAVE_LANGINFO_CODESET
82 685854 : if (locale_utf8)
83 : {
84 62670 : open_quote = "\xe2\x80\x98";
85 62670 : close_quote = "\xe2\x80\x99";
86 : }
87 : #endif
88 : }
89 685854 : }
90 :
91 : #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
92 : #include <wchar.h>
93 :
94 : /* Returns the width in columns of MSGSTR, which came from gettext.
95 : This is for indenting subsequent output. */
96 :
97 : size_t
98 18 : gcc_gettext_width (const char *msgstr)
99 : {
100 18 : size_t nwcs = mbstowcs (0, msgstr, 0);
101 18 : wchar_t *wmsgstr = XALLOCAVEC (wchar_t, nwcs + 1);
102 :
103 18 : mbstowcs (wmsgstr, msgstr, nwcs + 1);
104 18 : return wcswidth (wmsgstr, nwcs);
105 : }
106 :
107 : #else /* no wcswidth */
108 :
109 : /* We don't have any way of knowing how wide the string is. Guess
110 : the length of the string. */
111 :
112 : size_t
113 : gcc_gettext_width (const char *msgstr)
114 : {
115 : return strlen (msgstr);
116 : }
117 :
118 : #endif
119 :
120 : #endif /* ENABLE_NLS */
121 :
122 : #ifndef ENABLE_NLS
123 :
124 : const char *
125 : fake_ngettext (const char *singular, const char *plural, unsigned long n)
126 : {
127 : if (n == 1UL)
128 : return singular;
129 :
130 : return plural;
131 : }
132 :
133 : #endif
134 :
135 : /* Return the indent for successive lines, using the width of
136 : the STR. STR must have been translated already. The string
137 : must be freed by the caller. */
138 :
139 : char *
140 18 : get_spaces (const char *str)
141 : {
142 18 : size_t len = gcc_gettext_width (str);
143 18 : char *spaces = XNEWVEC (char, len + 1);
144 18 : memset (spaces, ' ', len);
145 18 : spaces[len] = '\0';
146 18 : return spaces;
147 : }
148 :
149 :
150 :
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