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authorDaniel Jacobowitz <dan@codesourcery.com>2005-05-15 18:17:10 +0000
committerDaniel Jacobowitz <drow@gcc.gnu.org>2005-05-15 18:17:10 +0000
commitdfb2c39a995d210fe43930d7bc51c5b5130dfa79 (patch)
tree6587a6c68585e5aa93d6f65bf9064ea9dfac8b4e /ylwrap
parent* functions.texi: Regenerated. (diff)
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* ylwrap: Import from Automake 1.9.5.
From-SVN: r99738
Diffstat (limited to 'ylwrap')
-rwxr-xr-xylwrap241
1 files changed, 170 insertions, 71 deletions
diff --git a/ylwrap b/ylwrap
index 2288ccde3ac..10e4368b35f 100755
--- a/ylwrap
+++ b/ylwrap
@@ -1,6 +1,11 @@
1#! /bin/sh 1#! /bin/sh
2# ylwrap - wrapper for lex/yacc invocations. 2# ylwrap - wrapper for lex/yacc invocations.
3# Copyright (C) 1996, 1997 Free Software Foundation, Inc. 3
4scriptversion=2005-02-02.22
5
6# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005
7# Free Software Foundation, Inc.
8#
4# Written by Tom Tromey <tromey@cygnus.com>. 9# Written by Tom Tromey <tromey@cygnus.com>.
5# 10#
6# This program is free software; you can redistribute it and/or modify 11# This program is free software; you can redistribute it and/or modify
@@ -17,56 +22,81 @@
17# along with this program; if not, write to the Free Software 22# along with this program; if not, write to the Free Software
18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 23# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 24
20# Usage: 25# As a special exception to the GNU General Public License, if you
21# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]... 26# distribute this file as part of a program that contains a
22# * PROGRAM is program to run. 27# configuration script generated by Autoconf, you may include it under
23# * INPUT is the input file 28# the same distribution terms that you use for the rest of that program.
24# * OUTPUT is file PROG generates
25# * DESIRED is file we actually want
26# * ARGS are passed to PROG
27# Any number of OUTPUT,DESIRED pairs may be used.
28 29
29# The program to run. 30# This file is maintained in Automake, please report
30prog="$1" 31# bugs to <bug-automake@gnu.org> or send patches to
31shift 32# <automake-patches@gnu.org>.
32# Make any relative path in $prog absolute. 33
33case "$prog" in 34case "$1" in
34 /* | [A-Za-z]:\\*) ;; 35 '')
35 */*) prog="`pwd`/$prog" ;; 36 echo "$0: No files given. Try \`$0 --help' for more information." 1>&2
37 exit 1
38 ;;
39 --basedir)
40 basedir=$2
41 shift 2
42 ;;
43 -h|--h*)
44 cat <<\EOF
45Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
46
47Wrapper for lex/yacc invocations, renaming files as desired.
48
49 INPUT is the input file
50 OUTPUT is one file PROG generates
51 DESIRED is the file we actually want instead of OUTPUT
52 PROGRAM is program to run
53 ARGS are passed to PROG
54
55Any number of OUTPUT,DESIRED pairs may be used.
56
57Report bugs to <bug-automake@gnu.org>.
58EOF
59 exit $?
60 ;;
61 -v|--v*)
62 echo "ylwrap $scriptversion"
63 exit $?
64 ;;
36esac 65esac
37 66
67
38# The input. 68# The input.
39input="$1" 69input="$1"
40shift 70shift
41case "$input" in 71case "$input" in
42 /* | [A-Za-z]:\\*) 72 [\\/]* | ?:[\\/]*)
43 # Absolute path; do nothing. 73 # Absolute path; do nothing.
44 ;; 74 ;;
45 *) 75 *)
46 # Relative path. Make it absolute. Why? Because otherwise any 76 # Relative path. Make it absolute.
47 # debugging info in the generated file will point to the wrong
48 # place. This is really gross.
49 input="`pwd`/$input" 77 input="`pwd`/$input"
50 ;; 78 ;;
51esac 79esac
52 80
53# We don't want to use the absolute path if the input in the current
54# directory like when making a tar ball.
55input_base=`echo $input | sed -e 's|.*/||'`
56if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
57 input=$input_base
58fi
59
60pairlist= 81pairlist=
61while test "$#" -ne 0; do 82while test "$#" -ne 0; do
62 if test "$1" = "--"; then 83 if test "$1" = "--"; then
63 shift 84 shift
64 break 85 break
65 fi 86 fi
66 pairlist="$pairlist $1" 87 pairlist="$pairlist $1"
67 shift 88 shift
68done 89done
69 90
91# The program to run.
92prog="$1"
93shift
94# Make any relative path in $prog absolute.
95case "$prog" in
96 [\\/]* | ?:[\\/]*) ;;
97 *[\\/]*) prog="`pwd`/$prog" ;;
98esac
99
70# FIXME: add hostname here for parallel makes that run commands on 100# FIXME: add hostname here for parallel makes that run commands on
71# other machines. But that might take us over the 14-char limit. 101# other machines. But that might take us over the 14-char limit.
72dirname=ylwrap$$ 102dirname=ylwrap$$
@@ -74,50 +104,119 @@ trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
74mkdir $dirname || exit 1 104mkdir $dirname || exit 1
75 105
76cd $dirname 106cd $dirname
77case "$input" in 107
78 /* | [A-Za-z]:\\*) 108case $# in
79 # Absolute path; do nothing. 109 0) $prog "$input" ;;
80 ;; 110 *) $prog "$@" "$input" ;;
81 *)
82 # Make a symbolic link, hard link or hardcopy.
83 ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
84 ;;
85esac 111esac
86$prog ${1+"$@"} "$input" 112ret=$?
87status=$? 113
88 114if test $ret -eq 0; then
89if test $status -eq 0; then 115 set X $pairlist
90 set X $pairlist 116 shift
91 shift 117 first=yes
92 first=yes 118 # Since DOS filename conventions don't allow two dots,
93 while test "$#" -ne 0; do 119 # the DOS version of Bison writes out y_tab.c instead of y.tab.c
94 if test -f "$1"; then 120 # and y_tab.h instead of y.tab.h. Test to see if this is the case.
95 # If $2 is an absolute path name, then just use that, 121 y_tab_nodot="no"
96 # otherwise prepend `../'. 122 if test -f y_tab.c || test -f y_tab.h; then
97 case "$2" in 123 y_tab_nodot="yes"
98 /* | [A-Za-z]:\\*) target="$2";; 124 fi
99 *) target="../$2";; 125
100 esac 126 # The directory holding the input.
101 mv "$1" "$target" || status=$? 127 input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
128 # Quote $INPUT_DIR so we can use it in a regexp.
129 # FIXME: really we should care about more than `.' and `\'.
130 input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
131
132 while test "$#" -ne 0; do
133 from="$1"
134 # Handle y_tab.c and y_tab.h output by DOS
135 if test $y_tab_nodot = "yes"; then
136 if test $from = "y.tab.c"; then
137 from="y_tab.c"
102 else 138 else
103 # A missing file is only an error for the first file. This 139 if test $from = "y.tab.h"; then
104 # is a blatant hack to let us support using "yacc -d". If -d 140 from="y_tab.h"
105 # is not specified, we don't want an error when the header 141 fi
106 # file is "missing". 142 fi
107 if test $first = yes; then 143 fi
108 status=1 144 if test -f "$from"; then
109 fi 145 # If $2 is an absolute path name, then just use that,
146 # otherwise prepend `../'.
147 case "$2" in
148 [\\/]* | ?:[\\/]*) target="$2";;
149 *) target="../$2";;
150 esac
151
152 # We do not want to overwrite a header file if it hasn't
153 # changed. This avoid useless recompilations. However the
154 # parser itself (the first file) should always be updated,
155 # because it is the destination of the .y.c rule in the
156 # Makefile. Divert the output of all other files to a temporary
157 # file so we can compare them to existing versions.
158 if test $first = no; then
159 realtarget="$target"
160 target="tmp-`echo $target | sed s/.*[\\/]//g`"
110 fi 161 fi
111 shift 162 # Edit out `#line' or `#' directives.
112 shift 163 #
113 first=no 164 # We don't want the resulting debug information to point at
114 done 165 # an absolute srcdir; it is better for it to just mention the
166 # .y file with no path.
167 #
168 # We want to use the real output file name, not yy.lex.c for
169 # instance.
170 #
171 # We want the include guards to be adjusted too.
172 FROM=`echo "$from" | sed \
173 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
174 -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
175 TARGET=`echo "$2" | sed \
176 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
177 -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
178
179 sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
180 -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
181
182 # Check whether header files must be updated.
183 if test $first = no; then
184 if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
185 echo "$2" is unchanged
186 rm -f "$target"
187 else
188 echo updating "$2"
189 mv -f "$target" "$realtarget"
190 fi
191 fi
192 else
193 # A missing file is only an error for the first file. This
194 # is a blatant hack to let us support using "yacc -d". If -d
195 # is not specified, we don't want an error when the header
196 # file is "missing".
197 if test $first = yes; then
198 ret=1
199 fi
200 fi
201 shift
202 shift
203 first=no
204 done
115else 205else
116 status=$? 206 ret=$?
117fi 207fi
118 208
119# Remove the directory. 209# Remove the directory.
120cd .. 210cd ..
121rm -rf $dirname 211rm -rf $dirname
122 212
123exit $status 213exit $ret
214
215# Local Variables:
216# mode: shell-script
217# sh-indentation: 2
218# eval: (add-hook 'write-file-hooks 'time-stamp)
219# time-stamp-start: "scriptversion="
220# time-stamp-format: "%:y-%02m-%02d.%02H"
221# time-stamp-end: "$"
222# End: