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authorSergey Poznyakoff <gray@gnu.org.ua>2002-11-07 15:03:21 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2002-11-07 15:03:21 (GMT)
commitd82454dab82be82e4ef632507e87386fe2ff1560 (patch) (side-by-side diff)
tree889ecc0eb1a11d8fa0b83cb4a83fbeb19c03c7ca
parent2aa6ca4b8973cf755ff85f093fbdda0e0eecf451 (diff)
downloadmailutils-d82454dab82be82e4ef632507e87386fe2ff1560.tar.gz
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Moved from /sieve
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-rwxr-xr-xscripts/ylwrap170
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diff --git a/scripts/ylwrap b/scripts/ylwrap
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--- a/dev/null
+++ b/scripts/ylwrap
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+#! /bin/sh
+# ylwrap - wrapper for lex/yacc invocations.
+# Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+# -yy modification by Sergey Poznyakoff <gray@farlep.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# Usage:
+# ylwrap PROGRAM [ARGS] INPUT [OUTPUT DESIRED]... -- [-yy repl] [ARGS]...
+# * PROGRAM is program to run; options can follow but must start with `-'.
+# * INPUT is the input file
+# * OUTPUT is file PROG generates
+# * DESIRED is file we actually want
+# * ARGS are passed to PROG
+# * Optional -yy introduces the sequence to replace yy prefixes with.
+# Any number of OUTPUT,DESIRED pairs may be used.
+
+# The program to run.
+prog="$1"
+shift
+# Make any relative path in $prog absolute.
+case "$prog" in
+ /* | [A-Za-z]:*) ;;
+ */*) prog="`pwd`/$prog" ;;
+esac
+
+# We also have to accept options here and append them to the program.
+# Why? Suppose YACC is set to `bison -y'. Clearly nobody uses
+# ylwrap, or this would have been discovered earlier!
+while :; do
+ case "$1" in
+ -*)
+ prog="$prog $1"
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+# The input.
+input="$1"
+shift
+case "$input" in
+ /* | [A-Za-z]:*)
+ # Absolute path; do nothing.
+ ;;
+ *)
+ # Relative path. Make it absolute.
+ input="`pwd`/$input"
+ ;;
+esac
+
+# The directory holding the input.
+input_dir="`echo $input | sed -e 's,/[^/]*$,,'`"
+# Quote $INPUT_DIR so we can use it in a regexp.
+# FIXME: really we should care about more than `.'.
+input_rx="`echo $input_dir | sed -e 's,\.,\\\.,g'`"
+
+pairlist=
+while test "$#" -ne 0; do
+ if test "$1" = "--"; then
+ shift
+ break
+ fi
+ pairlist="$pairlist $1"
+ shift
+done
+
+if [ $# -ne 0 ]; then
+ if [ "x$1" = "x-yy" ]; then
+ shift
+ if [ $# -eq 0 ]; then
+ echo "ylwrap: -yy requires an argument"
+ exit 1
+ fi
+ YYREPL=$1
+ shift
+ fi
+fi
+
+# FIXME: add hostname here for parallel makes that run commands on
+# other machines. But that might take us over the 14-char limit.
+dirname=ylwrap$$
+trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
+mkdir $dirname || exit 1
+
+cd $dirname
+
+$prog ${1+"$@"} "$input"
+status=$?
+
+if test $status -eq 0; then
+ set X $pairlist
+ shift
+ first=yes
+ # Since DOS filename conventions don't allow two dots,
+ # the DOS version of Bison writes out y_tab.c instead of y.tab.c
+ # and y_tab.h instead of y.tab.h. Test to see if this is the case.
+ y_tab_nodot="no"
+ if test -f y_tab.c || test -f y_tab.h; then
+ y_tab_nodot="yes"
+ fi
+
+ while test "$#" -ne 0; do
+ from="$1"
+ # Handle y_tab.c and y_tab.h output by DOS
+ if test $y_tab_nodot = "yes"; then
+ if test $from = "y.tab.c"; then
+ from="y_tab.c"
+ else
+ if test $from = "y.tab.h"; then
+ from="y_tab.h"
+ fi
+ fi
+ fi
+ if test -f "$from"; then
+ # If $2 is an absolute path name, then just use that,
+ # otherwise prepend `../'.
+ case "$2" in
+ /* | [A-Za-z]:*) target="$2";;
+ *) target="../$2";;
+ esac
+
+ # Edit out `#line' or `#' directives. We don't want the
+ # resulting debug information to point at an absolute srcdir;
+ # it is better for it to just mention the .y file with no
+ # path.
+ EXPR="/^#/ s,$input_rx/,,"
+ if [ ! -z "$YYREPL" ]; then
+ EXPR="$EXPR;s/yy/$YYREPL/g"
+ fi
+ sed -e "$EXPR" "$from" > "$target" || status=$?
+ else
+ # A missing file is only an error for the first file. This
+ # is a blatant hack to let us support using "yacc -d". If -d
+ # is not specified, we don't want an error when the header
+ # file is "missing".
+ if test $first = yes; then
+ status=1
+ fi
+ fi
+ shift
+ shift
+ first=no
+ done
+else
+ status=$?
+fi
+
+# Remove the directory.
+cd ..
+rm -rf $dirname
+
+exit $status
+

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