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comparison gcc/po/exgettext @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 #! /bin/sh
2 # Wrapper around gettext for programs using the msgid convention.
3 # Copyright 1998, 2001, 2002, 2003, 2009 Free Software Foundation, Inc.
4
5 # Written by Paul Eggert <eggert@twinsun.com>.
6 # Revised by Zack Weinberg <zackw@stanford.edu> for no-POTFILES operation.
7
8 # This file is part of GCC.
9
10 # GCC is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 3, or (at your option)
13 # any later version.
14
15 # GCC is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
19
20 # You should have received a copy of the GNU General Public License
21 # along with GCC; see the file COPYING3. If not see
22 # <http://www.gnu.org/licenses/>.
23
24 # Always operate in the C locale.
25 LANG=C
26 LANGUAGE=C
27 LC_ALL=C
28 export LANG LANGUAGE LC_ALL
29
30 # Set AWK if environment has not already set it.
31 AWK=${AWK-awk}
32
33 # The arguments to this wrapper are: the program to execute, the
34 # name of the "package", and the path to the source directory.
35
36 if [ $# -ne 3 ]
37 then echo "usage: $0 <xgettext> <package> <srcdir>"
38 exit 1
39 fi
40
41 xgettext=$1
42 package=$2
43 srcdir=$3
44
45 case `$xgettext --version | sed -e 1q | sed -e 's/^\([^0-9]*\)//'` in
46 0.14.[5-9]* | 0.14.[1-9][0-9]* | 0.1[5-9]* | 0.[2-9][0-9]* | [1-9].*) : ;;
47 *) echo "$xgettext is too old. GNU xgettext 0.14.5 is required"
48 exit 1 ;;
49 esac
50
51 nl='
52 '
53
54 set -e
55
56 # Create temporary directory for scratch files.
57 T=exg$$.d
58 mkdir $T
59 trap "rm -r $T" 0
60
61 pwd=`${PWDCMD-pwd}`
62 kopt=$pwd/$T/keyword-options
63 kopt2=$pwd/$T/keyword2-options
64 emsg=$pwd/$T/emsgids.c
65 posr=$pwd/$T/po-sources
66 pottmp1=$pwd/$T/tmp1.pot
67 pottmp2=$pwd/$T/tmp2.pot
68 pottmp=$pwd/$T/tmp.pot
69
70 # Locate files to scan, and generate the list. All .c, .h, and .def files
71 # in $srcdir are examined, likewise $srcdir/config and $srcdir/config/*
72 # (directories). Also, all subdirectories of $srcdir that contain a
73 # config-lang.in. Exclusions come from $srcdir/po/EXCLUDE.
74 #
75 # Then generate keyword options for xgettext, by scanning for declarations
76 # of functions whose parameter names end in "msgid".
77 #
78 # Finally, generate a source file containing all %e strings from
79 # driver specs, so those can be translated too.
80 #
81 # All in one huge awk script.
82
83 echo "scanning for keywords and %e strings..." >&2
84
85 ( cd $srcdir
86 lang_subdirs=`echo */config-lang.in | sed -e 's|config-lang\.in||g'`
87 { for dir in "" config/ config/*/ $lang_subdirs
88 do for glob in '*.c' '*.h' '*.def'
89 do eval echo $dir$glob
90 done
91 done;
92 } | tr ' ' "$nl" | grep -v '\*' |
93 $AWK -v excl=po/EXCLUDES -v posr=$posr -v kopt=$kopt -v kopt2=$kopt2 -v emsg=$emsg '
94 function keyword_option(line) {
95 paren_index = index(line, "(")
96 name = substr(line, 1, paren_index - 1)
97 sub(/[^0-9A-Z_a-z]*$/, "", name)
98 sub(/[ ]+PARAMS/, "", name)
99 sub(/[ ]+VPARAMS/, "", name)
100 sub(/.*[^0-9A-Z_a-z]/, "", name)
101
102 args = substr(line, paren_index)
103 sub(/msgid[,\)].*/, "", args)
104 for (n = 1; sub(/^[^,]*,/, "", args); n++) {
105 continue
106 }
107 format=""
108 if (args ~ /g$/)
109 format="gcc-internal-format"
110 else if (args ~ /noc$/)
111 format="no-c-format"
112 else if (args ~ /c$/)
113 format="c-format"
114
115 if (n == 1) { keyword = "--keyword=" name }
116 else { keyword = "--keyword=" name ":" n }
117 if (format) {
118 keyword=keyword "\n--flag=" name ":" n ":" format
119 }
120
121 if (! keyword_seen[name]) {
122 if (format == "gcc-internal-format")
123 print keyword > kopt2
124 else
125 print keyword > kopt
126 keyword_seen[name] = keyword
127 } else if (keyword_seen[name] != keyword) {
128 printf("%s used incompatibly as both %s and %s\n",
129 name, keyword_seen[name], keyword)
130 exit (1)
131 }
132 }
133
134 function spec_error_string (line) {
135 while ((percent_index = index(line, "%e")) != 0) {
136 escape = substr(line, percent_index - 1, 1)
137 line = substr(line, percent_index + 2)
138 if (escape == "%") continue
139
140 bracket_index = index(line, "}")
141 quote_index = index(line, "\"")
142 if (bracket_index == 0) return
143 if (quote_index != 0 && bracket_index > quote_index) return
144
145 msgid = substr(line, 1, bracket_index - 1)
146 line = substr(line, bracket_index + 1)
147
148 if (index(msgid, "%") != 0) continue
149
150 printf("#line %d \"%s\"\n", lineno, file) > emsg
151 printf("_(\"%s\")\n", msgid) > emsg
152
153 }
154 }
155
156 BEGIN {
157 while ((getline < excl) > 0) {
158 if ($0 ~ /^#/ || $0 ~ /^[ ]*$/)
159 continue
160 excludes[$1] = 1
161 }
162 }
163
164 { if (!($0 in excludes)) {
165 print > posr
166 files[NR] = $0
167 }
168 }
169
170 END {
171 for (f in files) {
172 file = files[f]
173 lineno = 1
174 while (getline < file) {
175 if (/^(#[ ]*define[ ]*)?[A-Za-z_].*\(.*msgid[,\)]/) {
176 keyword_option($0)
177 } else if (/%e/) {
178 spec_error_string($0)
179 }
180 lineno++
181 }
182 }
183 print emsg > posr
184 }'
185 ) || exit
186
187 echo "scanning option files..." >&2
188
189 ( cd $srcdir; find . -name '*.opt' -print |
190 $AWK '{
191 file = $1
192 lineno = 1
193 field = 0
194 while (getline < file) {
195 if (/^[ \t]*(;|$)/ || !/^[^ \t]/) {
196 field = 0
197 } else {
198 if (field == 2) {
199 line = $0
200 gsub(".*\t", "", line)
201 printf("#line %d \"%s\"\n", lineno, file)
202 printf("_(\"%s\")\n", line)
203 }
204 field++;
205 }
206 lineno++;
207 }
208 }') >> $emsg
209
210 # Run the xgettext command, with temporary added as a file to scan.
211 echo "running xgettext..." >&2
212 $xgettext --default-domain=$package --directory=$srcdir \
213 --add-comments `cat $kopt` --files-from=$posr \
214 --copyright-holder="Free Software Foundation, Inc." \
215 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
216 --language=c -o $pottmp1
217 $xgettext --default-domain=$package --directory=$srcdir \
218 --add-comments --keyword= `cat $kopt2` --files-from=$posr \
219 --copyright-holder="Free Software Foundation, Inc." \
220 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
221 --language=GCC-source -o $pottmp2
222 $xgettext --default-domain=$package \
223 --add-comments $pottmp1 $pottmp2 \
224 --copyright-holder="Free Software Foundation, Inc." \
225 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
226 --language=PO -o $pottmp
227 # Remove local paths from .pot file.
228 sed "s:$srcdir/::g;s:$pwd/::g;" <$pottmp >po/$package.pot