Mercurial > hg > CbC > CbC_gcc
annotate ylwrap @ 88:f214c1d5b862
merge 89
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 20 Dec 2011 18:53:46 +0900 |
| parents | 77e2b8dfacca |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 #! /bin/sh |
| 2 # ylwrap - wrapper for lex/yacc invocations. | |
| 3 | |
|
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4 scriptversion=2009-04-28.21; # UTC |
| 0 | 5 |
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6 # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, |
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7 # 2007, 2009 Free Software Foundation, Inc. |
| 0 | 8 # |
| 9 # Written by Tom Tromey <tromey@cygnus.com>. | |
| 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 | |
|
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22 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 0 | 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 <bug-automake@gnu.org> or send patches to | |
| 31 # <automake-patches@gnu.org>. | |
| 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 <bug-automake@gnu.org>. | |
| 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$$ | |
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102 trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 |
| 0 | 103 mkdir $dirname || exit 1 |
| 104 | |
| 105 cd $dirname | |
| 106 | |
| 107 case $# in | |
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108 0) "$prog" "$input" ;; |
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109 *) "$prog" "$@" "$input" ;; |
| 0 | 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" | |
|
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220 # time-stamp-time-zone: "UTC" |
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221 # time-stamp-end: "; # UTC" |
| 0 | 222 # End: |