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1.1 ! root 1: #! /bin/sh ! 2: # ylwrap - wrapper for lex/yacc invocations. ! 3: ! 4: scriptversion=2005-05-14.22 ! 5: ! 6: # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005 ! 7: # Free Software Foundation, Inc. ! 8: # ! 9: # Written by Tom Tromey <[email protected]>. ! 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, write to the Free Software ! 23: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA ! 24: # 02110-1301, USA. ! 25: ! 26: # As a special exception to the GNU General Public License, if you ! 27: # distribute this file as part of a program that contains a ! 28: # configuration script generated by Autoconf, you may include it under ! 29: # the same distribution terms that you use for the rest of that program. ! 30: ! 31: # This file is maintained in Automake, please report ! 32: # bugs to <[email protected]> or send patches to ! 33: # <[email protected]>. ! 34: ! 35: case "$1" in ! 36: '') ! 37: echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 ! 38: exit 1 ! 39: ;; ! 40: --basedir) ! 41: basedir=$2 ! 42: shift 2 ! 43: ;; ! 44: -h|--h*) ! 45: cat <<\EOF ! 46: Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... ! 47: ! 48: Wrapper for lex/yacc invocations, renaming files as desired. ! 49: ! 50: INPUT is the input file ! 51: OUTPUT is one file PROG generates ! 52: DESIRED is the file we actually want instead of OUTPUT ! 53: PROGRAM is program to run ! 54: ARGS are passed to PROG ! 55: ! 56: Any number of OUTPUT,DESIRED pairs may be used. ! 57: ! 58: Report bugs to <[email protected]>. ! 59: EOF ! 60: exit $? ! 61: ;; ! 62: -v|--v*) ! 63: echo "ylwrap $scriptversion" ! 64: exit $? ! 65: ;; ! 66: esac ! 67: ! 68: ! 69: # The input. ! 70: input="$1" ! 71: shift ! 72: case "$input" in ! 73: [\\/]* | ?:[\\/]*) ! 74: # Absolute path; do nothing. ! 75: ;; ! 76: *) ! 77: # Relative path. Make it absolute. ! 78: input="`pwd`/$input" ! 79: ;; ! 80: esac ! 81: ! 82: pairlist= ! 83: while test "$#" -ne 0; do ! 84: if test "$1" = "--"; then ! 85: shift ! 86: break ! 87: fi ! 88: pairlist="$pairlist $1" ! 89: shift ! 90: done ! 91: ! 92: # The program to run. ! 93: prog="$1" ! 94: shift ! 95: # Make any relative path in $prog absolute. ! 96: case "$prog" in ! 97: [\\/]* | ?:[\\/]*) ;; ! 98: *[\\/]*) prog="`pwd`/$prog" ;; ! 99: esac ! 100: ! 101: # FIXME: add hostname here for parallel makes that run commands on ! 102: # other machines. But that might take us over the 14-char limit. ! 103: dirname=ylwrap$$ ! 104: trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 ! 105: mkdir $dirname || exit 1 ! 106: ! 107: cd $dirname ! 108: ! 109: case $# in ! 110: 0) $prog "$input" ;; ! 111: *) $prog "$@" "$input" ;; ! 112: esac ! 113: ret=$? ! 114: ! 115: if test $ret -eq 0; then ! 116: set X $pairlist ! 117: shift ! 118: first=yes ! 119: # Since DOS filename conventions don't allow two dots, ! 120: # the DOS version of Bison writes out y_tab.c instead of y.tab.c ! 121: # and y_tab.h instead of y.tab.h. Test to see if this is the case. ! 122: y_tab_nodot="no" ! 123: if test -f y_tab.c || test -f y_tab.h; then ! 124: y_tab_nodot="yes" ! 125: fi ! 126: ! 127: # The directory holding the input. ! 128: input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` ! 129: # Quote $INPUT_DIR so we can use it in a regexp. ! 130: # FIXME: really we should care about more than `.' and `\'. ! 131: input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'` ! 132: ! 133: while test "$#" -ne 0; do ! 134: from="$1" ! 135: # Handle y_tab.c and y_tab.h output by DOS ! 136: if test $y_tab_nodot = "yes"; then ! 137: if test $from = "y.tab.c"; then ! 138: from="y_tab.c" ! 139: else ! 140: if test $from = "y.tab.h"; then ! 141: from="y_tab.h" ! 142: fi ! 143: fi ! 144: fi ! 145: if test -f "$from"; then ! 146: # If $2 is an absolute path name, then just use that, ! 147: # otherwise prepend `../'. ! 148: case "$2" in ! 149: [\\/]* | ?:[\\/]*) target="$2";; ! 150: *) target="../$2";; ! 151: esac ! 152: ! 153: # We do not want to overwrite a header file if it hasn't ! 154: # changed. This avoid useless recompilations. However the ! 155: # parser itself (the first file) should always be updated, ! 156: # because it is the destination of the .y.c rule in the ! 157: # Makefile. Divert the output of all other files to a temporary ! 158: # file so we can compare them to existing versions. ! 159: if test $first = no; then ! 160: realtarget="$target" ! 161: target="tmp-`echo $target | sed s/.*[\\/]//g`" ! 162: fi ! 163: # Edit out `#line' or `#' directives. ! 164: # ! 165: # We don't want the resulting debug information to point at ! 166: # an absolute srcdir; it is better for it to just mention the ! 167: # .y file with no path. ! 168: # ! 169: # We want to use the real output file name, not yy.lex.c for ! 170: # instance. ! 171: # ! 172: # We want the include guards to be adjusted too. ! 173: FROM=`echo "$from" | sed \ ! 174: -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ ! 175: -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` ! 176: TARGET=`echo "$2" | sed \ ! 177: -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ ! 178: -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` ! 179: ! 180: sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ ! 181: -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? ! 182: ! 183: # Check whether header files must be updated. ! 184: if test $first = no; then ! 185: if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then ! 186: echo "$2" is unchanged ! 187: rm -f "$target" ! 188: else ! 189: echo updating "$2" ! 190: mv -f "$target" "$realtarget" ! 191: fi ! 192: fi ! 193: else ! 194: # A missing file is only an error for the first file. This ! 195: # is a blatant hack to let us support using "yacc -d". If -d ! 196: # is not specified, we don't want an error when the header ! 197: # file is "missing". ! 198: if test $first = yes; then ! 199: ret=1 ! 200: fi ! 201: fi ! 202: shift ! 203: shift ! 204: first=no ! 205: done ! 206: else ! 207: ret=$? ! 208: fi ! 209: ! 210: # Remove the directory. ! 211: cd .. ! 212: rm -rf $dirname ! 213: ! 214: exit $ret ! 215: ! 216: # Local Variables: ! 217: # mode: shell-script ! 218: # sh-indentation: 2 ! 219: # eval: (add-hook 'write-file-hooks 'time-stamp) ! 220: # time-stamp-start: "scriptversion=" ! 221: # time-stamp-format: "%:y-%02m-%02d.%02H" ! 222: # time-stamp-end: "$" ! 223: # End:
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