Daily bump.
[official-gcc.git] / gcc / po / exgettext
blob7665463affc35e631353cf50e6fdba037cee588f
1 #! /bin/sh
2 # Wrapper around gettext for programs using the msgid convention.
3 # Copyright 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
5 # Written by Paul Eggert <eggert@twinsun.com>.
6 # Revised by Zack Weinberg <zackw@stanford.edu> for no-POTFILES operation.
8 # This file is part of GCC.
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 2, or (at your option)
13 # any later version.
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.
20 # You should have received a copy of the GNU General Public License
21 # along with GCC; see the file COPYING. If not, write to
22 # the Free Software Foundation, 51 Franklin Street, Fifth Floor,
23 # Boston, MA 02110-1301, USA.
25 # Always operate in the C locale.
26 LANG=C
27 LANGUAGE=C
28 LC_ALL=C
29 export LANG LANGUAGE LC_ALL
31 # Set AWK if environment has not already set it.
32 AWK=${AWK-awk}
34 # The arguments to this wrapper are: the program to execute, the
35 # name of the "package", and the path to the source directory.
37 if [ $# -ne 3 ]
38 then echo "usage: $0 <xgettext> <package> <srcdir>"
39 exit 1
42 xgettext=$1
43 package=$2
44 srcdir=$3
46 case `$xgettext --version | sed -e 1q | sed -e 's/^\([^0-9]*\)//'` in
47 0.14.[5-9]* | 0.14.[1-9][0-9]* | 0.1[5-9]* | 0.[2-9][0-9]* | [1-9].*) : ;;
48 *) echo "$xgettext is too old. GNU xgettext 0.14.5 is required"
49 exit 1 ;;
50 esac
52 nl='
55 set -e
57 # Create temporary directory for scratch files.
58 T=exg$$.d
59 mkdir $T
60 trap "rm -r $T" 0
62 pwd=`${PWDCMD-pwd}`
63 kopt=$pwd/$T/keyword-options
64 kopt2=$pwd/$T/keyword2-options
65 emsg=$pwd/$T/emsgids.c
66 posr=$pwd/$T/po-sources
67 pottmp1=$pwd/$T/tmp1.pot
68 pottmp2=$pwd/$T/tmp2.pot
69 pottmp=$pwd/$T/tmp.pot
71 # Locate files to scan, and generate the list. All .c, .h, and .def files
72 # in $srcdir are examined, likewise $srcdir/config and $srcdir/config/*
73 # (directories). Also, all subdirectories of $srcdir that contain a
74 # config-lang.in. Exclusions come from $srcdir/po/EXCLUDE.
76 # Then generate keyword options for xgettext, by scanning for declarations
77 # of functions whose parameter names end in "msgid".
79 # Finally, generate a source file containing all %e strings from
80 # driver specs, so those can be translated too.
82 # All in one huge awk script.
84 echo "scanning for keywords and %e strings..." >&2
86 ( cd $srcdir
87 lang_subdirs=`echo */config-lang.in | sed -e 's|config-lang\.in||g'`
88 { for dir in "" config/ config/*/ $lang_subdirs
89 do for glob in '*.c' '*.h' '*.def'
90 do eval echo $dir$glob
91 done
92 done;
93 } | tr ' ' "$nl" | grep -v '\*' |
94 $AWK -v excl=po/EXCLUDES -v posr=$posr -v kopt=$kopt -v kopt2=$kopt2 -v emsg=$emsg '
95 function keyword_option(line) {
96 paren_index = index(line, "(")
97 name = substr(line, 1, paren_index - 1)
98 sub(/[^0-9A-Z_a-z]*$/, "", name)
99 sub(/[ ]+PARAMS/, "", name)
100 sub(/[ ]+VPARAMS/, "", name)
101 sub(/.*[^0-9A-Z_a-z]/, "", name)
103 args = substr(line, paren_index)
104 sub(/msgid[,\)].*/, "", args)
105 for (n = 1; sub(/^[^,]*,/, "", args); n++) {
106 continue
108 format=""
109 if (args ~ /g$/)
110 format="gcc-internal-format"
111 else if (args ~ /noc$/)
112 format="no-c-format"
113 else if (args ~ /c$/)
114 format="c-format"
116 if (n == 1) { keyword = "--keyword=" name }
117 else { keyword = "--keyword=" name ":" n }
118 if (format) {
119 keyword=keyword "\n--flag=" name ":" n ":" format
122 if (! keyword_seen[name]) {
123 if (format == "gcc-internal-format")
124 print keyword > kopt2
125 else
126 print keyword > kopt
127 keyword_seen[name] = keyword
128 } else if (keyword_seen[name] != keyword) {
129 printf("%s used incompatibly as both %s and %s\n",
130 name, keyword_seen[name], keyword)
131 exit (1)
135 function spec_error_string (line) {
136 while ((percent_index = index(line, "%e")) != 0) {
137 escape = substr(line, percent_index - 1, 1)
138 line = substr(line, percent_index + 2)
139 if (escape == "%") continue
141 bracket_index = index(line, "}")
142 quote_index = index(line, "\"")
143 if (bracket_index == 0) return
144 if (quote_index != 0 && bracket_index > quote_index) return
146 msgid = substr(line, 1, bracket_index - 1)
147 line = substr(line, bracket_index + 1)
149 if (index(msgid, "%") != 0) continue
151 printf("#line %d \"%s\"\n", lineno, file) > emsg
152 printf("_(\"%s\")\n", msgid) > emsg
157 BEGIN {
158 while ((getline < excl) > 0) {
159 if ($0 ~ /^#/ || $0 ~ /^[ ]*$/)
160 continue
161 excludes[$1] = 1
165 { if (!($0 in excludes)) {
166 print > posr
167 files[NR] = $0
171 END {
172 for (f in files) {
173 file = files[f]
174 lineno = 1
175 while (getline < file) {
176 if (/^(#[ ]*define[ ]*)?[A-Za-z_].*\(.*msgid[,\)]/) {
177 keyword_option($0)
178 } else if (/%e/) {
179 spec_error_string($0)
181 lineno++
184 print emsg > posr
186 ) || exit
188 echo "scanning option files..." >&2
190 ( cd $srcdir; find . -name '*.opt' -print |
191 $AWK '{
192 file = $1
193 lineno = 1
194 field = 0
195 while (getline < file) {
196 if (/^[ \t]*(;|$)/ || !/^[^ \t]/) {
197 field = 0
198 } else {
199 if (field == 2) {
200 line = $0
201 gsub(".*\t", "", line)
202 printf("#line %d \"%s\"\n", lineno, file)
203 printf("_(\"%s\")\n", line)
205 field++;
207 lineno++;
209 }') >> $emsg
211 # Run the xgettext command, with temporary added as a file to scan.
212 echo "running xgettext..." >&2
213 $xgettext --default-domain=$package --directory=$srcdir \
214 --add-comments `cat $kopt` --files-from=$posr \
215 --copyright-holder="Free Software Foundation, Inc." \
216 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
217 --language=c -o $pottmp1
218 $xgettext --default-domain=$package --directory=$srcdir \
219 --add-comments --keyword= `cat $kopt2` --files-from=$posr \
220 --copyright-holder="Free Software Foundation, Inc." \
221 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
222 --language=GCC-source -o $pottmp2
223 $xgettext --default-domain=$package \
224 --add-comments $pottmp1 $pottmp2 \
225 --copyright-holder="Free Software Foundation, Inc." \
226 --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
227 --language=PO -o $pottmp
228 # Remove local paths from .pot file.
229 sed "s:$srcdir/::g;s:$pwd/::g;" <$pottmp >po/$package.pot