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|
#! /bin/sh
# Wrapper around gettext for programs using the msgid convention.
# Copyright 1998, 2001, 2002, 2003, 2009 Free Software Foundation, Inc.
# Written by Paul Eggert <eggert@twinsun.com>.
# Revised by Zack Weinberg <zackw@stanford.edu> for no-POTFILES operation.
# 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 3, or (at your option)
# any later version.
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or 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 COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# Always operate in the C locale.
LANG=C
LANGUAGE=C
LC_ALL=C
export LANG LANGUAGE LC_ALL
# Set AWK if environment has not already set it.
AWK=${AWK-awk}
# The arguments to this wrapper are: the program to execute, the
# name of the "package", and the path to the source directory.
if [ $# -ne 3 ]
then echo "usage: $0 <xgettext> <package> <srcdir>"
exit 1
fi
xgettext=$1
package=$2
srcdir=$3
case `$xgettext --version | sed -e 1q | sed -e 's/^\([^0-9]*\)//'` in
0.14.[5-9]* | 0.14.[1-9][0-9]* | 0.1[5-9]* | 0.[2-9][0-9]* | [1-9].*) : ;;
*) echo "$xgettext is too old. GNU xgettext 0.14.5 is required"
exit 1 ;;
esac
nl='
'
set -e
# Create temporary directory for scratch files.
T=exg$$.d
mkdir $T
trap "rm -r $T" 0
pwd=`${PWDCMD-pwd}`
kopt=$pwd/$T/keyword-options
kopt2=$pwd/$T/keyword2-options
emsg=$pwd/$T/emsgids.c
posr=$pwd/$T/po-sources
pottmp1=$pwd/$T/tmp1.pot
pottmp2=$pwd/$T/tmp2.pot
pottmp=$pwd/$T/tmp.pot
# Locate files to scan, and generate the list. All .c, .h, and .def files
# in $srcdir are examined, likewise $srcdir/config and $srcdir/config/*
# (directories). Also, all subdirectories of $srcdir that contain a
# config-lang.in. Exclusions come from $srcdir/po/EXCLUDE.
#
# Then generate keyword options for xgettext, by scanning for declarations
# of functions whose parameter names end in "msgid".
#
# Finally, generate a source file containing all %e and %n strings from
# driver specs, so those can be translated too.
#
# All in one huge awk script.
echo "scanning for keywords, %e and %n strings..." >&2
( cd $srcdir
lang_subdirs=`echo */config-lang.in */*/config-lang.in | sed -e 's|config-lang\.in||g'`
{ for dir in "" c-family/ config/ config/*/ $lang_subdirs
do for glob in '*.c' '*.h' '*.def'
do eval echo $dir$glob
done
done;
} | tr ' ' "$nl" | grep -v '\*' |
$AWK -v excl=po/EXCLUDES -v posr=$posr -v kopt=$kopt -v kopt2=$kopt2 -v emsg=$emsg '
function keyword_option(line) {
paren_index = index(line, "(")
name = substr(line, 1, paren_index - 1)
sub(/[^0-9A-Z_a-z]*$/, "", name)
sub(/[ ]+PARAMS/, "", name)
sub(/[ ]+VPARAMS/, "", name)
sub(/.*[^0-9A-Z_a-z]/, "", name)
args = substr(line, paren_index)
sub(/msgid[,\)].*/, "", args)
for (n = 1; sub(/^[^,]*,/, "", args); n++) {
continue
}
format=""
if (args ~ /g$/)
format="gcc-internal-format"
else if (args ~ /noc$/)
format="no-c-format"
else if (args ~ /c$/)
format="c-format"
if (n == 1) { keyword = "--keyword=" name }
else {
keyword = "--keyword=" name ":" n
if (name ~ /_n$/)
keyword = keyword "," (n + 1)
}
if (format) {
keyword=keyword "\n--flag=" name ":" n ":" format
if (name ~ /_n$/)
keyword = keyword "\n--flag=" name ":" (n + 1) ":" format
}
if (! keyword_seen[name]) {
if (format == "gcc-internal-format")
print keyword > kopt2
else
print keyword > kopt
keyword_seen[name] = keyword
} else if (keyword_seen[name] != keyword) {
printf("%s used incompatibly as both %s and %s\n",
name, keyword_seen[name], keyword)
exit (1)
}
}
function spec_error_string (line) {
if (index(line, "%e") != 0 && index(line, "%n") != 0) return
while ((percent_index = index(line, "%e")) != 0 ||
(percent_index = index(line, "%n")) != 0) {
line = substr(line, percent_index + 2)
bracket_index = index(line, "}")
newline_index = index(line, "\\n")
quote_index = index(line, "\"")
if (bracket_index == 0 && newline_index == 0) return
if (bracket_index != 0) {
if (quote_index != 0 && bracket_index > quote_index) return
msgid = substr(line, 1, bracket_index - 1)
line = substr(line, bracket_index + 1)
}
else if (newline_index != 0) {
if (quote_index != 0 && quote_index > newline_index) return
msgid = substr(line, 1, newline_index - 1)
line = substr(line, newline_index + 1)
}
if (index(msgid, "%") != 0) continue
if ((newline_index = index(msgid, "\\n")) != 0)
msgid = substr(msgid, 1, newline_index - 1)
printf("#line %d \"%s\"\n", lineno, file) > emsg
printf("_(\"%s\")\n", msgid) > emsg
}
}
BEGIN {
while ((getline < excl) > 0) {
if ($0 ~ /^#/ || $0 ~ /^[ ]*$/)
continue
excludes[$1] = 1
}
}
{ if (!($0 in excludes)) {
print > posr
files[NR] = $0
}
}
END {
for (f in files) {
file = files[f]
lineno = 1
while (getline < file) {
if (/^(#[ ]*define[ ]*)?[A-Za-z_].*\(.*msgid[,\)]/) {
keyword_option($0)
} else if (/^(#[ ]*define[ ]*)?[A-Za-z_].*(\(|\(.*,)$/) {
name_line = $0
while (getline < file) {
lineno++
if (/msgid[,\)]/){
keyword_option(name_line $0)
break
} else if (/,$/) {
name_line = name_line $0
continue
} else break
}
} else if (/%e/ || /%n/) {
spec_error_string($0)
}
lineno++
}
}
print emsg > posr
}'
) || exit
echo "scanning option files..." >&2
( cd $srcdir; find . -name '*.opt' -print |
$AWK '{
file = $1
lineno = 1
field = 0
while (getline < file) {
if (/^[ \t]*(;|$)/ || !/^[^ \t]/) {
field = 0
} else {
if (field == 2) {
line = $0
printf("#line %d \"%s\"\n", lineno, file)
printf("_(\"%s\")\n", line)
}
field++;
}
lineno++;
}
}') >> $emsg
# Run the xgettext command, with temporary added as a file to scan.
echo "running xgettext..." >&2
$xgettext --default-domain=$package --directory=$srcdir \
--add-comments `cat $kopt` --files-from=$posr \
--copyright-holder="Free Software Foundation, Inc." \
--msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
--language=c -o $pottmp1
$xgettext --default-domain=$package --directory=$srcdir \
--add-comments --keyword= `cat $kopt2` --files-from=$posr \
--copyright-holder="Free Software Foundation, Inc." \
--msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
--language=GCC-source -o $pottmp2
$xgettext --default-domain=$package \
--add-comments $pottmp1 $pottmp2 \
--copyright-holder="Free Software Foundation, Inc." \
--msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
--language=PO -o $pottmp
# Remove local paths from .pot file.
sed "s:$srcdir/::g;s:$pwd/::g;" <$pottmp >po/$package.pot
|
