1 files changed, 33 insertions, 0 deletions
diff --git a/tools/VMEmulator.sh b/tools/VMEmulator.sh
new file mode 100755
index 0000000..48f4f0f
--- /dev/null
+++ b/tools/VMEmulator.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env sh
+
+# $Id: VMEmulator.sh,v 1.1 2014/06/17 21:14:01 marka Exp $
+# mark.armbrust@pobox.com
+
+# User's CDPATH can interfere with cd in this script
+unset CDPATH
+# Get the true name of this script
+script="`test -L "$0" && readlink -n "$0" || echo "$0"`"
+dir="$PWD"
+cd "`dirname "$script"`"
+if [ \( $# -gt 1 \) -o \( "$1" = "-h" \) -o \( "$1" = "--help" \) ]
+then
+	echo "Usage:"
+	echo "    `basename "$0"`             Starts the VM Emulator in interactive mode."
+	echo "    `basename "$0"` FILE.tst    Starts the VM Emulator and runs the FILE.tst test"
+	echo "                              script.  The success/failure message is"
+	echo "                              printed to the command console."	
+elif [ $# -eq 0 ]
+then
+	# Run VM emulator in interactive mode
+	java -classpath "${CLASSPATH}:bin/classes:bin/lib/Hack.jar:bin/lib/HackGUI.jar:bin/lib/Simulators.jar:bin/lib/SimulatorsGUI.jar:bin/lib/Compilers.jar" VMEmulatorMain &
+else
+	# Convert arg1 to an absolute path and run VM emulator with arg1
+	if [ `echo "$1" | sed -e "s/\(.\).*/\1/"` = / ]
+	then
+		arg1="$1"
+	else
+		arg1="${dir}/$1"
+	fi
+#	echo Running "$arg1"
+	java -classpath "${CLASSPATH}:bin/classes:bin/lib/Hack.jar:bin/lib/HackGUI.jar:bin/lib/Simulators.jar:bin/lib/SimulatorsGUI.jar:bin/lib/Compilers.jar" VMEmulatorMain "$arg1"
+fi