Index: bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/ylwrap |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/ylwrap (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/ylwrap (revision 0) |
@@ -0,0 +1,223 @@ |
+#! /bin/sh |
+# ylwrap - wrapper for lex/yacc invocations. |
+ |
+scriptversion=2007-11-22.22 |
+ |
+# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, |
+# 2007 Free Software Foundation, Inc. |
+# |
+# Written by Tom Tromey <tromey@cygnus.com>. |
+# |
+# This program 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 2, or (at your option) |
+# any later version. |
+# |
+# This program 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 this program; if not, write to the Free Software |
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
+# 02110-1301, USA. |
+ |
+# As a special exception to the GNU General Public License, if you |
+# distribute this file as part of a program that contains a |
+# configuration script generated by Autoconf, you may include it under |
+# the same distribution terms that you use for the rest of that program. |
+ |
+# This file is maintained in Automake, please report |
+# bugs to <bug-automake@gnu.org> or send patches to |
+# <automake-patches@gnu.org>. |
+ |
+case "$1" in |
+ '') |
+ echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 |
+ exit 1 |
+ ;; |
+ --basedir) |
+ basedir=$2 |
+ shift 2 |
+ ;; |
+ -h|--h*) |
+ cat <<\EOF |
+Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... |
+ |
+Wrapper for lex/yacc invocations, renaming files as desired. |
+ |
+ INPUT is the input file |
+ OUTPUT is one file PROG generates |
+ DESIRED is the file we actually want instead of OUTPUT |
+ PROGRAM is program to run |
+ ARGS are passed to PROG |
+ |
+Any number of OUTPUT,DESIRED pairs may be used. |
+ |
+Report bugs to <bug-automake@gnu.org>. |
+EOF |
+ exit $? |
+ ;; |
+ -v|--v*) |
+ echo "ylwrap $scriptversion" |
+ exit $? |
+ ;; |
+esac |
+ |
+ |
+# The input. |
+input="$1" |
+shift |
+case "$input" in |
+ [\\/]* | ?:[\\/]*) |
+ # Absolute path; do nothing. |
+ ;; |
+ *) |
+ # Relative path. Make it absolute. |
+ input="`pwd`/$input" |
+ ;; |
+esac |
+ |
+pairlist= |
+while test "$#" -ne 0; do |
+ if test "$1" = "--"; then |
+ shift |
+ break |
+ fi |
+ pairlist="$pairlist $1" |
+ shift |
+done |
+ |
+# The program to run. |
+prog="$1" |
+shift |
+# Make any relative path in $prog absolute. |
+case "$prog" in |
+ [\\/]* | ?:[\\/]*) ;; |
+ *[\\/]*) prog="`pwd`/$prog" ;; |
+esac |
+ |
+# FIXME: add hostname here for parallel makes that run commands on |
+# other machines. But that might take us over the 14-char limit. |
+dirname=ylwrap$$ |
+trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 |
+mkdir $dirname || exit 1 |
+ |
+cd $dirname |
+ |
+case $# in |
+ 0) "$prog" "$input" ;; |
+ *) "$prog" "$@" "$input" ;; |
+esac |
+ret=$? |
+ |
+if test $ret -eq 0; then |
+ set X $pairlist |
+ shift |
+ first=yes |
+ # Since DOS filename conventions don't allow two dots, |
+ # the DOS version of Bison writes out y_tab.c instead of y.tab.c |
+ # and y_tab.h instead of y.tab.h. Test to see if this is the case. |
+ y_tab_nodot="no" |
+ if test -f y_tab.c || test -f y_tab.h; then |
+ y_tab_nodot="yes" |
+ fi |
+ |
+ # The directory holding the input. |
+ input_dir=`echo "$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'` |
+ |
+ 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 $2 is an absolute path name, then just use that, |
+ # otherwise prepend `../'. |
+ case "$2" in |
+ [\\/]* | ?:[\\/]*) target="$2";; |
+ *) target="../$2";; |
+ esac |
+ |
+ # We do not want to overwrite a header file if it hasn't |
+ # changed. This avoid useless recompilations. However the |
+ # parser itself (the first file) should always be updated, |
+ # because it is the destination of the .y.c rule in the |
+ # Makefile. Divert the output of all other files to a temporary |
+ # file so we can compare them to existing versions. |
+ if test $first = no; then |
+ realtarget="$target" |
+ target="tmp-`echo $target | sed s/.*[\\/]//g`" |
+ fi |
+ # Edit out `#line' or `#' directives. |
+ # |
+ # We don't want the resulting debug information to point at |
+ # an absolute srcdir; it is better for it to just mention the |
+ # .y file with no path. |
+ # |
+ # We want to use the real output file name, not yy.lex.c for |
+ # instance. |
+ # |
+ # We want the include guards to be adjusted too. |
+ FROM=`echo "$from" | sed \ |
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ |
+ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` |
+ TARGET=`echo "$2" | sed \ |
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ |
+ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` |
+ |
+ sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ |
+ -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? |
+ |
+ # Check whether header files must be updated. |
+ if test $first = no; then |
+ if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then |
+ echo "$2" is unchanged |
+ rm -f "$target" |
+ else |
+ echo updating "$2" |
+ mv -f "$target" "$realtarget" |
+ fi |
+ fi |
+ else |
+ # A missing file is only an error for the first file. This |
+ # is a blatant hack to let us support using "yacc -d". If -d |
+ # is not specified, we don't want an error when the header |
+ # file is "missing". |
+ if test $first = yes; then |
+ ret=1 |
+ fi |
+ fi |
+ shift |
+ shift |
+ first=no |
+ done |
+else |
+ ret=$? |
+fi |
+ |
+# Remove the directory. |
+cd .. |
+rm -rf $dirname |
+ |
+exit $ret |
+ |
+# Local Variables: |
+# mode: shell-script |
+# sh-indentation: 2 |
+# eval: (add-hook 'write-file-hooks 'time-stamp) |
+# time-stamp-start: "scriptversion=" |
+# time-stamp-format: "%:y-%02m-%02d.%02H" |
+# time-stamp-end: "$" |
+# End: |