mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-27 16:25:26 +08:00
124 lines
3.2 KiB
Bash
Executable File
124 lines
3.2 KiB
Bash
Executable File
#! /bin/sh
|
|
# ylwrap - wrapper for lex/yacc invocations.
|
|
# Copyright (C) 1996, 1997 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
# Usage:
|
|
# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]...
|
|
# * PROGRAM is program to run.
|
|
# * INPUT is the input file
|
|
# * OUTPUT is file PROG generates
|
|
# * DESIRED is file we actually want
|
|
# * ARGS are passed to PROG
|
|
# Any number of OUTPUT,DESIRED pairs may be used.
|
|
|
|
# The program to run.
|
|
prog="$1"
|
|
shift
|
|
# Make any relative path in $prog absolute.
|
|
case "$prog" in
|
|
/* | [A-Za-z]:\\*) ;;
|
|
*/*) prog="`pwd`/$prog" ;;
|
|
esac
|
|
|
|
# The input.
|
|
input="$1"
|
|
shift
|
|
case "$input" in
|
|
/* | [A-Za-z]:\\*)
|
|
# Absolute path; do nothing.
|
|
;;
|
|
*)
|
|
# Relative path. Make it absolute. Why? Because otherwise any
|
|
# debugging info in the generated file will point to the wrong
|
|
# place. This is really gross.
|
|
input="`pwd`/$input"
|
|
;;
|
|
esac
|
|
|
|
# We don't want to use the absolute path if the input in the current
|
|
# directory like when making a tar ball.
|
|
input_base=`echo $input | sed -e 's|.*/||'`
|
|
if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
|
|
input=$input_base
|
|
fi
|
|
|
|
pairlist=
|
|
while test "$#" -ne 0; do
|
|
if test "$1" = "--"; then
|
|
shift
|
|
break
|
|
fi
|
|
pairlist="$pairlist $1"
|
|
shift
|
|
done
|
|
|
|
# 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 $dirname
|
|
case "$input" in
|
|
/* | [A-Za-z]:\\*)
|
|
# Absolute path; do nothing.
|
|
;;
|
|
*)
|
|
# Make a symbolic link, hard link or hardcopy.
|
|
ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
|
|
;;
|
|
esac
|
|
$prog ${1+"$@"} "$input"
|
|
status=$?
|
|
|
|
if test $status -eq 0; then
|
|
set X $pairlist
|
|
shift
|
|
first=yes
|
|
while test "$#" -ne 0; do
|
|
if test -f "$1"; then
|
|
# If $2 is an absolute path name, then just use that,
|
|
# otherwise prepend `../'.
|
|
case "$2" in
|
|
/* | [A-Za-z]:\\*) target="$2";;
|
|
*) target="../$2";;
|
|
esac
|
|
mv "$1" "$target" || status=$?
|
|
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 $first = yes; then
|
|
status=1
|
|
fi
|
|
fi
|
|
shift
|
|
shift
|
|
first=no
|
|
done
|
|
else
|
|
status=$?
|
|
fi
|
|
|
|
# Remove the directory.
|
|
cd ..
|
|
rm -rf $dirname
|
|
|
|
exit $status
|