1 |
683 |
jeremybenn |
#! /bin/sh
|
2 |
|
|
# ylwrap - wrapper for lex/yacc invocations.
|
3 |
|
|
|
4 |
|
|
scriptversion=2009-04-28.21; # UTC
|
5 |
|
|
|
6 |
|
|
# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
|
7 |
|
|
# 2007, 2009 Free Software Foundation, Inc.
|
8 |
|
|
#
|
9 |
|
|
# Written by Tom Tromey .
|
10 |
|
|
#
|
11 |
|
|
# This program is free software; you can redistribute it and/or modify
|
12 |
|
|
# it under the terms of the GNU General Public License as published by
|
13 |
|
|
# the Free Software Foundation; either version 2, or (at your option)
|
14 |
|
|
# any later version.
|
15 |
|
|
#
|
16 |
|
|
# This program is distributed in the hope that it will be useful,
|
17 |
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
18 |
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
19 |
|
|
# GNU General Public License for more details.
|
20 |
|
|
#
|
21 |
|
|
# You should have received a copy of the GNU General Public License
|
22 |
|
|
# along with this program. If not, see .
|
23 |
|
|
|
24 |
|
|
# As a special exception to the GNU General Public License, if you
|
25 |
|
|
# distribute this file as part of a program that contains a
|
26 |
|
|
# configuration script generated by Autoconf, you may include it under
|
27 |
|
|
# the same distribution terms that you use for the rest of that program.
|
28 |
|
|
|
29 |
|
|
# This file is maintained in Automake, please report
|
30 |
|
|
# bugs to or send patches to
|
31 |
|
|
# .
|
32 |
|
|
|
33 |
|
|
case "$1" in
|
34 |
|
|
'')
|
35 |
|
|
echo "$0: No files given. Try \`$0 --help' for more information." 1>&2
|
36 |
|
|
exit 1
|
37 |
|
|
;;
|
38 |
|
|
--basedir)
|
39 |
|
|
basedir=$2
|
40 |
|
|
shift 2
|
41 |
|
|
;;
|
42 |
|
|
-h|--h*)
|
43 |
|
|
cat <<\EOF
|
44 |
|
|
Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
|
45 |
|
|
|
46 |
|
|
Wrapper for lex/yacc invocations, renaming files as desired.
|
47 |
|
|
|
48 |
|
|
INPUT is the input file
|
49 |
|
|
OUTPUT is one file PROG generates
|
50 |
|
|
DESIRED is the file we actually want instead of OUTPUT
|
51 |
|
|
PROGRAM is program to run
|
52 |
|
|
ARGS are passed to PROG
|
53 |
|
|
|
54 |
|
|
Any number of OUTPUT,DESIRED pairs may be used.
|
55 |
|
|
|
56 |
|
|
Report bugs to .
|
57 |
|
|
EOF
|
58 |
|
|
exit $?
|
59 |
|
|
;;
|
60 |
|
|
-v|--v*)
|
61 |
|
|
echo "ylwrap $scriptversion"
|
62 |
|
|
exit $?
|
63 |
|
|
;;
|
64 |
|
|
esac
|
65 |
|
|
|
66 |
|
|
|
67 |
|
|
# The input.
|
68 |
|
|
input="$1"
|
69 |
|
|
shift
|
70 |
|
|
case "$input" in
|
71 |
|
|
[\\/]* | ?:[\\/]*)
|
72 |
|
|
# Absolute path; do nothing.
|
73 |
|
|
;;
|
74 |
|
|
*)
|
75 |
|
|
# Relative path. Make it absolute.
|
76 |
|
|
input="`pwd`/$input"
|
77 |
|
|
;;
|
78 |
|
|
esac
|
79 |
|
|
|
80 |
|
|
pairlist=
|
81 |
|
|
while test "$#" -ne 0; do
|
82 |
|
|
if test "$1" = "--"; then
|
83 |
|
|
shift
|
84 |
|
|
break
|
85 |
|
|
fi
|
86 |
|
|
pairlist="$pairlist $1"
|
87 |
|
|
shift
|
88 |
|
|
done
|
89 |
|
|
|
90 |
|
|
# The program to run.
|
91 |
|
|
prog="$1"
|
92 |
|
|
shift
|
93 |
|
|
# Make any relative path in $prog absolute.
|
94 |
|
|
case "$prog" in
|
95 |
|
|
[\\/]* | ?:[\\/]*) ;;
|
96 |
|
|
*[\\/]*) prog="`pwd`/$prog" ;;
|
97 |
|
|
esac
|
98 |
|
|
|
99 |
|
|
# FIXME: add hostname here for parallel makes that run commands on
|
100 |
|
|
# other machines. But that might take us over the 14-char limit.
|
101 |
|
|
dirname=ylwrap$$
|
102 |
|
|
trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
|
103 |
|
|
mkdir $dirname || exit 1
|
104 |
|
|
|
105 |
|
|
cd $dirname
|
106 |
|
|
|
107 |
|
|
case $# in
|
108 |
|
|
0) "$prog" "$input" ;;
|
109 |
|
|
*) "$prog" "$@" "$input" ;;
|
110 |
|
|
esac
|
111 |
|
|
ret=$?
|
112 |
|
|
|
113 |
|
|
if test $ret -eq 0; then
|
114 |
|
|
set X $pairlist
|
115 |
|
|
shift
|
116 |
|
|
first=yes
|
117 |
|
|
# Since DOS filename conventions don't allow two dots,
|
118 |
|
|
# the DOS version of Bison writes out y_tab.c instead of y.tab.c
|
119 |
|
|
# and y_tab.h instead of y.tab.h. Test to see if this is the case.
|
120 |
|
|
y_tab_nodot="no"
|
121 |
|
|
if test -f y_tab.c || test -f y_tab.h; then
|
122 |
|
|
y_tab_nodot="yes"
|
123 |
|
|
fi
|
124 |
|
|
|
125 |
|
|
# The directory holding the input.
|
126 |
|
|
input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
|
127 |
|
|
# Quote $INPUT_DIR so we can use it in a regexp.
|
128 |
|
|
# FIXME: really we should care about more than `.' and `\'.
|
129 |
|
|
input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
|
130 |
|
|
|
131 |
|
|
while test "$#" -ne 0; do
|
132 |
|
|
from="$1"
|
133 |
|
|
# Handle y_tab.c and y_tab.h output by DOS
|
134 |
|
|
if test $y_tab_nodot = "yes"; then
|
135 |
|
|
if test $from = "y.tab.c"; then
|
136 |
|
|
from="y_tab.c"
|
137 |
|
|
else
|
138 |
|
|
if test $from = "y.tab.h"; then
|
139 |
|
|
from="y_tab.h"
|
140 |
|
|
fi
|
141 |
|
|
fi
|
142 |
|
|
fi
|
143 |
|
|
if test -f "$from"; then
|
144 |
|
|
# If $2 is an absolute path name, then just use that,
|
145 |
|
|
# otherwise prepend `../'.
|
146 |
|
|
case "$2" in
|
147 |
|
|
[\\/]* | ?:[\\/]*) target="$2";;
|
148 |
|
|
*) target="../$2";;
|
149 |
|
|
esac
|
150 |
|
|
|
151 |
|
|
# We do not want to overwrite a header file if it hasn't
|
152 |
|
|
# changed. This avoid useless recompilations. However the
|
153 |
|
|
# parser itself (the first file) should always be updated,
|
154 |
|
|
# because it is the destination of the .y.c rule in the
|
155 |
|
|
# Makefile. Divert the output of all other files to a temporary
|
156 |
|
|
# file so we can compare them to existing versions.
|
157 |
|
|
if test $first = no; then
|
158 |
|
|
realtarget="$target"
|
159 |
|
|
target="tmp-`echo $target | sed s/.*[\\/]//g`"
|
160 |
|
|
fi
|
161 |
|
|
# Edit out `#line' or `#' directives.
|
162 |
|
|
#
|
163 |
|
|
# We don't want the resulting debug information to point at
|
164 |
|
|
# an absolute srcdir; it is better for it to just mention the
|
165 |
|
|
# .y file with no path.
|
166 |
|
|
#
|
167 |
|
|
# We want to use the real output file name, not yy.lex.c for
|
168 |
|
|
# instance.
|
169 |
|
|
#
|
170 |
|
|
# We want the include guards to be adjusted too.
|
171 |
|
|
FROM=`echo "$from" | sed \
|
172 |
|
|
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
|
173 |
|
|
-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
|
174 |
|
|
TARGET=`echo "$2" | sed \
|
175 |
|
|
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
|
176 |
|
|
-e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
|
177 |
|
|
|
178 |
|
|
sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
|
179 |
|
|
-e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
|
180 |
|
|
|
181 |
|
|
# Check whether header files must be updated.
|
182 |
|
|
if test $first = no; then
|
183 |
|
|
if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
|
184 |
|
|
echo "$2" is unchanged
|
185 |
|
|
rm -f "$target"
|
186 |
|
|
else
|
187 |
|
|
echo updating "$2"
|
188 |
|
|
mv -f "$target" "$realtarget"
|
189 |
|
|
fi
|
190 |
|
|
fi
|
191 |
|
|
else
|
192 |
|
|
# A missing file is only an error for the first file. This
|
193 |
|
|
# is a blatant hack to let us support using "yacc -d". If -d
|
194 |
|
|
# is not specified, we don't want an error when the header
|
195 |
|
|
# file is "missing".
|
196 |
|
|
if test $first = yes; then
|
197 |
|
|
ret=1
|
198 |
|
|
fi
|
199 |
|
|
fi
|
200 |
|
|
shift
|
201 |
|
|
shift
|
202 |
|
|
first=no
|
203 |
|
|
done
|
204 |
|
|
else
|
205 |
|
|
ret=$?
|
206 |
|
|
fi
|
207 |
|
|
|
208 |
|
|
# Remove the directory.
|
209 |
|
|
cd ..
|
210 |
|
|
rm -rf $dirname
|
211 |
|
|
|
212 |
|
|
exit $ret
|
213 |
|
|
|
214 |
|
|
# Local Variables:
|
215 |
|
|
# mode: shell-script
|
216 |
|
|
# sh-indentation: 2
|
217 |
|
|
# eval: (add-hook 'write-file-hooks 'time-stamp)
|
218 |
|
|
# time-stamp-start: "scriptversion="
|
219 |
|
|
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
220 |
|
|
# time-stamp-time-zone: "UTC"
|
221 |
|
|
# time-stamp-end: "; # UTC"
|
222 |
|
|
# End:
|