version 1.1, 2017/01/24 14:48:56
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version 1.1.1.2, 2021/03/17 00:49:17
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#! /bin/sh |
#! /bin/sh |
# ylwrap - wrapper for lex/yacc invocations. |
# ylwrap - wrapper for lex/yacc invocations. |
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scriptversion=2009-04-28.21; # UTC | scriptversion=2018-03-07.03; # UTC |
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# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, | # Copyright (C) 1996-2018 Free Software Foundation, Inc. |
# 2007, 2009 Free Software Foundation, Inc. | |
# |
# |
# Written by Tom Tromey <tromey@cygnus.com>. |
# Written by Tom Tromey <tromey@cygnus.com>. |
# |
# |
Line 19 scriptversion=2009-04-28.21; # UTC
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Line 18 scriptversion=2009-04-28.21; # UTC
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# GNU General Public License for more details. |
# GNU General Public License for more details. |
# |
# |
# You should have received a copy of the GNU General Public License |
# You should have received a copy of the GNU General Public License |
# along with this program. If not, see <http://www.gnu.org/licenses/>. | # along with this program. If not, see <https://www.gnu.org/licenses/>. |
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# As a special exception to the GNU General Public License, if you |
# As a special exception to the GNU General Public License, if you |
# distribute this file as part of a program that contains a |
# distribute this file as part of a program that contains a |
Line 30 scriptversion=2009-04-28.21; # UTC
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Line 29 scriptversion=2009-04-28.21; # UTC
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# bugs to <bug-automake@gnu.org> or send patches to |
# bugs to <bug-automake@gnu.org> or send patches to |
# <automake-patches@gnu.org>. |
# <automake-patches@gnu.org>. |
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get_dirname () |
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{ |
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case $1 in |
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*/*|*\\*) printf '%s\n' "$1" | sed -e 's|\([\\/]\)[^\\/]*$|\1|';; |
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# Otherwise, we want the empty string (not "."). |
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esac |
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} |
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# guard FILE |
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# ---------- |
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# The CPP macro used to guard inclusion of FILE. |
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guard () |
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{ |
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printf '%s\n' "$1" \ |
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| sed \ |
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ |
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-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g' \ |
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-e 's/__*/_/g' |
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} |
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# quote_for_sed [STRING] |
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# ---------------------- |
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# Return STRING (or stdin) quoted to be used as a sed pattern. |
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quote_for_sed () |
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{ |
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case $# in |
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0) cat;; |
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1) printf '%s\n' "$1";; |
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esac \ |
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| sed -e 's|[][\\.*]|\\&|g' |
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} |
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case "$1" in |
case "$1" in |
'') |
'') |
echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 | echo "$0: No files given. Try '$0 --help' for more information." 1>&2 |
exit 1 |
exit 1 |
;; |
;; |
--basedir) |
--basedir) |
Line 65 esac
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Line 96 esac
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# The input. |
# The input. |
input="$1" | input=$1 |
shift |
shift |
case "$input" in | # We'll later need for a correct munging of "#line" directives. |
| input_sub_rx=`get_dirname "$input" | quote_for_sed` |
| case $input in |
[\\/]* | ?:[\\/]*) |
[\\/]* | ?:[\\/]*) |
# Absolute path; do nothing. |
# Absolute path; do nothing. |
;; |
;; |
*) |
*) |
# Relative path. Make it absolute. |
# Relative path. Make it absolute. |
input="`pwd`/$input" | input=`pwd`/$input |
;; |
;; |
esac |
esac |
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input_rx=`get_dirname "$input" | quote_for_sed` |
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pairlist= | # Since DOS filename conventions don't allow two dots, |
while test "$#" -ne 0; do | # the DOS version of Bison writes out y_tab.c instead of y.tab.c |
if test "$1" = "--"; then | # and y_tab.h instead of y.tab.h. Test to see if this is the case. |
| y_tab_nodot=false |
| if test -f y_tab.c || test -f y_tab.h; then |
| y_tab_nodot=true |
| fi |
| |
| # The parser itself, the first file, is the destination of the .y.c |
| # rule in the Makefile. |
| parser=$1 |
| |
| # A sed program to s/FROM/TO/g for all the FROM/TO so that, for |
| # instance, we rename #include "y.tab.h" into #include "parse.h" |
| # during the conversion from y.tab.c to parse.c. |
| sed_fix_filenames= |
| |
| # Also rename header guards, as Bison 2.7 for instance uses its header |
| # guard in its implementation file. |
| sed_fix_header_guards= |
| |
| while test $# -ne 0; do |
| if test x"$1" = x"--"; then |
shift |
shift |
break |
break |
fi |
fi |
pairlist="$pairlist $1" | from=$1 |
| # Handle y_tab.c and y_tab.h output by DOS |
| if $y_tab_nodot; then |
| case $from in |
| "y.tab.c") from=y_tab.c;; |
| "y.tab.h") from=y_tab.h;; |
| esac |
| fi |
shift |
shift |
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to=$1 |
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shift |
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sed_fix_filenames="${sed_fix_filenames}s|"`quote_for_sed "$from"`"|$to|g;" |
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sed_fix_header_guards="${sed_fix_header_guards}s|"`guard "$from"`"|"`guard "$to"`"|g;" |
done |
done |
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# The program to run. |
# The program to run. |
prog="$1" | prog=$1 |
shift |
shift |
# Make any relative path in $prog absolute. |
# Make any relative path in $prog absolute. |
case "$prog" in | case $prog in |
[\\/]* | ?:[\\/]*) ;; |
[\\/]* | ?:[\\/]*) ;; |
*[\\/]*) prog="`pwd`/$prog" ;; | *[\\/]*) prog=`pwd`/$prog ;; |
esac |
esac |
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# FIXME: add hostname here for parallel makes that run commands on |
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# other machines. But that might take us over the 14-char limit. |
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dirname=ylwrap$$ |
dirname=ylwrap$$ |
trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 | do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret' |
| trap "ret=129; $do_exit" 1 |
| trap "ret=130; $do_exit" 2 |
| trap "ret=141; $do_exit" 13 |
| trap "ret=143; $do_exit" 15 |
mkdir $dirname || exit 1 |
mkdir $dirname || exit 1 |
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cd $dirname |
cd $dirname |
Line 111 esac
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Line 178 esac
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ret=$? |
ret=$? |
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if test $ret -eq 0; then |
if test $ret -eq 0; then |
set X $pairlist | for from in * |
shift | do |
first=yes | to=`printf '%s\n' "$from" | sed "$sed_fix_filenames"` |
# Since DOS filename conventions don't allow two dots, | |
# the DOS version of Bison writes out y_tab.c instead of y.tab.c | |
# and y_tab.h instead of y.tab.h. Test to see if this is the case. | |
y_tab_nodot="no" | |
if test -f y_tab.c || test -f y_tab.h; then | |
y_tab_nodot="yes" | |
fi | |
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# The directory holding the input. | |
input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` | |
# Quote $INPUT_DIR so we can use it in a regexp. | |
# FIXME: really we should care about more than `.' and `\'. | |
input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'` | |
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while test "$#" -ne 0; do | |
from="$1" | |
# Handle y_tab.c and y_tab.h output by DOS | |
if test $y_tab_nodot = "yes"; then | |
if test $from = "y.tab.c"; then | |
from="y_tab.c" | |
else | |
if test $from = "y.tab.h"; then | |
from="y_tab.h" | |
fi | |
fi | |
fi | |
if test -f "$from"; then |
if test -f "$from"; then |
# If $2 is an absolute path name, then just use that, |
# If $2 is an absolute path name, then just use that, |
# otherwise prepend `../'. | # otherwise prepend '../'. |
case "$2" in | case $to in |
[\\/]* | ?:[\\/]*) target="$2";; | [\\/]* | ?:[\\/]*) target=$to;; |
*) target="../$2";; | *) target=../$to;; |
esac |
esac |
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# We do not want to overwrite a header file if it hasn't | # Do not overwrite unchanged header files to avoid useless |
# changed. This avoid useless recompilations. However the | # recompilations. Always update the parser itself: it is the |
# parser itself (the first file) should always be updated, | # destination of the .y.c rule in the Makefile. Divert the |
# because it is the destination of the .y.c rule in the | # output of all other files to a temporary file so we can |
# Makefile. Divert the output of all other files to a temporary | # compare them to existing versions. |
# file so we can compare them to existing versions. | if test $from != $parser; then |
if test $first = no; then | realtarget=$target |
realtarget="$target" | target=tmp-`printf '%s\n' "$target" | sed 's|.*[\\/]||g'` |
target="tmp-`echo $target | sed s/.*[\\/]//g`" | |
fi |
fi |
# Edit out `#line' or `#' directives. |
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# |
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# We don't want the resulting debug information to point at |
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# an absolute srcdir; it is better for it to just mention the |
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# .y file with no path. |
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# |
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# We want to use the real output file name, not yy.lex.c for |
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# instance. |
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# |
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# We want the include guards to be adjusted too. |
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FROM=`echo "$from" | sed \ |
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ |
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-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` |
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TARGET=`echo "$2" | sed \ |
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ |
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-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` |
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sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ | # Munge "#line" or "#" directives. Don't let the resulting |
-e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? | # debug information point at an absolute srcdir. Use the real |
| # output file name, not yy.lex.c for instance. Adjust the |
| # include guards too. |
| sed -e "/^#/!b" \ |
| -e "s|$input_rx|$input_sub_rx|" \ |
| -e "$sed_fix_filenames" \ |
| -e "$sed_fix_header_guards" \ |
| "$from" >"$target" || ret=$? |
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# Check whether header files must be updated. | # Check whether files must be updated. |
if test $first = no; then | if test "$from" != "$parser"; then |
if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then | if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then |
echo "$2" is unchanged | echo "$to is unchanged" |
rm -f "$target" | rm -f "$target" |
else | else |
echo updating "$2" | echo "updating $to" |
mv -f "$target" "$realtarget" |
mv -f "$target" "$realtarget" |
fi |
fi |
fi |
fi |
else |
else |
# A missing file is only an error for the first file. This | # A missing file is only an error for the parser. This is a |
# is a blatant hack to let us support using "yacc -d". If -d | # blatant hack to let us support using "yacc -d". If -d is not |
# is not specified, we don't want an error when the header | # specified, don't fail when the header file is "missing". |
# file is "missing". | if test "$from" = "$parser"; then |
if test $first = yes; then | |
ret=1 |
ret=1 |
fi |
fi |
fi |
fi |
shift |
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shift |
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first=no |
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done |
done |
else |
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ret=$? |
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fi |
fi |
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# Remove the directory. |
# Remove the directory. |
Line 214 exit $ret
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Line 239 exit $ret
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# Local Variables: |
# Local Variables: |
# mode: shell-script |
# mode: shell-script |
# sh-indentation: 2 |
# sh-indentation: 2 |
# eval: (add-hook 'write-file-hooks 'time-stamp) | # eval: (add-hook 'before-save-hook 'time-stamp) |
# time-stamp-start: "scriptversion=" |
# time-stamp-start: "scriptversion=" |
# time-stamp-format: "%:y-%02m-%02d.%02H" |
# time-stamp-format: "%:y-%02m-%02d.%02H" |
# time-stamp-time-zone: "UTC" | # time-stamp-time-zone: "UTC0" |
# time-stamp-end: "; # UTC" |
# time-stamp-end: "; # UTC" |
# End: |
# End: |