2 # ylwrap - wrapper for lex/yacc invocations.
3 # Copyright 1996, 1997, 1998, 1999, 2001 Free Software Foundation, Inc.
4 # Written by Tom Tromey <tromey@cygnus.com>.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2, or (at your option)
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
20 # As a special exception to the GNU General Public License, if you
21 # distribute this file as part of a program that contains a
22 # configuration script generated by Autoconf, you may include it under
23 # the same distribution terms that you use for the rest of that program.
26 # ylwrap INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
27 # * INPUT is the input file
28 # * OUTPUT is file PROG generates
29 # * DESIRED is file we actually want
30 # * PROGRAM is program to run
31 # * ARGS are passed to PROG
32 # Any number of OUTPUT,DESIRED pairs may be used.
39 # Absolute path; do nothing.
42 # Relative path. Make it absolute.
48 while test "$#" -ne 0; do
49 if test "$1" = "--"; then
53 pairlist="$pairlist $1"
60 # Make any relative path in $prog absolute.
63 *[\\/]*) prog="`pwd`/$prog" ;;
66 # FIXME: add hostname here for parallel makes that run commands on
67 # other machines. But that might take us over the 14-char limit.
69 trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
70 mkdir $dirname || exit 1
74 $prog ${1+"$@"} "$input"
77 if test $status -eq 0; then
81 # Since DOS filename conventions don't allow two dots,
82 # the DOS version of Bison writes out y_tab.c instead of y.tab.c
83 # and y_tab.h instead of y.tab.h. Test to see if this is the case.
85 if test -f y_tab.c || test -f y_tab.h; then
89 # The directory holding the input.
90 input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
91 # Quote $INPUT_DIR so we can use it in a regexp.
92 # FIXME: really we should care about more than `.' and `\'.
93 input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
95 while test "$#" -ne 0; do
97 # Handle y_tab.c and y_tab.h output by DOS
98 if test $y_tab_nodot = "yes"; then
99 if test $from = "y.tab.c"; then
102 if test $from = "y.tab.h"; then
107 if test -f "$from"; then
108 # If $2 is an absolute path name, then just use that,
109 # otherwise prepend `../'.
111 [\\/]* | ?:[\\/]*) target="$2";;
115 # Edit out `#line' or `#' directives.
117 # We don't want the resulting debug information to point at
118 # an absolute srcdir; it is better for it to just mention the
119 # .y file with no path.
121 # We want to use the real output file name, not yy.lex.c for
124 # We want the include guards to be adjusted too.
125 FROM=`echo "$from" | sed \
126 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
127 -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
128 TARGET=`echo "$2" | sed \
129 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
130 -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
131 sed "/^#/{s,$input_rx,,;s,$from,$2,;s,$FORM,$TO,;}" "$from" >"$target" ||
134 # A missing file is only an error for the first file. This
135 # is a blatant hack to let us support using "yacc -d". If -d
136 # is not specified, we don't want an error when the header
138 if test $first = yes; then
150 # Remove the directory.