b83f0ec829
Seven releases since the last import, so the ChangeLog is quite big; please refer to the NEWS file included in the import for details. Among others, this also addresses PR 23054.
161 lines
4.5 KiB
Bash
Executable File
161 lines
4.5 KiB
Bash
Executable File
#! /bin/sh
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# ylwrap - wrapper for lex/yacc invocations.
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#
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# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002 Free Software
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# Foundation, Inc.
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#
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# Written by Tom Tromey <tromey@cygnus.com>.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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# Usage:
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# ylwrap INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
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# * INPUT is the input file
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# * OUTPUT is file PROG generates
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# * DESIRED is file we actually want
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# * PROGRAM is program to run
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# * ARGS are passed to PROG
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# Any number of OUTPUT,DESIRED pairs may be used.
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# The input.
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input="$1"
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shift
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case "$input" in
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[\\/]* | ?:[\\/]*)
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# Absolute path; do nothing.
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;;
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*)
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# Relative path. Make it absolute.
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input="`pwd`/$input"
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;;
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esac
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pairlist=
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while test "$#" -ne 0; do
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if test "$1" = "--"; then
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shift
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break
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fi
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pairlist="$pairlist $1"
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shift
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done
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# The program to run.
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prog="$1"
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shift
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# Make any relative path in $prog absolute.
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case "$prog" in
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[\\/]* | ?:[\\/]*) ;;
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*[\\/]*) prog="`pwd`/$prog" ;;
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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$$
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trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
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mkdir $dirname || exit 1
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cd $dirname
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case $# in
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0) $prog "$input" ;;
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*) $prog "$@" "$input" ;;
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esac
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status=$?
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if test $status -eq 0; then
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set X $pairlist
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shift
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first=yes
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# Since DOS filename conventions don't allow two dots,
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# the DOS version of Bison writes out y_tab.c instead of y.tab.c
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# and y_tab.h instead of y.tab.h. Test to see if this is the case.
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y_tab_nodot="no"
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if test -f y_tab.c || test -f y_tab.h; then
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y_tab_nodot="yes"
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fi
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# The directory holding the input.
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input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
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# Quote $INPUT_DIR so we can use it in a regexp.
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# FIXME: really we should care about more than `.' and `\'.
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input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
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while test "$#" -ne 0; do
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from="$1"
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# Handle y_tab.c and y_tab.h output by DOS
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if test $y_tab_nodot = "yes"; then
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if test $from = "y.tab.c"; then
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from="y_tab.c"
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else
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if test $from = "y.tab.h"; then
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from="y_tab.h"
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fi
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fi
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fi
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if test -f "$from"; then
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# If $2 is an absolute path name, then just use that,
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# otherwise prepend `../'.
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case "$2" in
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[\\/]* | ?:[\\/]*) target="$2";;
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*) target="../$2";;
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esac
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# Edit out `#line' or `#' directives.
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#
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# We don't want the resulting debug information to point at
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# an absolute srcdir; it is better for it to just mention the
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# .y file with no path.
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#
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# We want to use the real output file name, not yy.lex.c for
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# instance.
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#
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# We want the include guards to be adjusted too.
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FROM=`echo "$from" | sed \
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
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-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
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TARGET=`echo "$2" | sed \
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
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-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
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sed "/^#/{s,$input_rx,,;s,$from,$2,;s,$FORM,$TO,;}" "$from" >"$target" ||
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status=$?
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else
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# A missing file is only an error for the first file. This
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# is a blatant hack to let us support using "yacc -d". If -d
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# is not specified, we don't want an error when the header
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# file is "missing".
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if test $first = yes; then
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status=1
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fi
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fi
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shift
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shift
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first=no
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done
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else
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status=$?
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fi
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# Remove the directory.
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cd ..
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rm -rf $dirname
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exit $status
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