#!/bin/bash
# ----------------------------------------------------------------------------
#  Copyright 2001-2006 The Apache Software Foundation.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
# ----------------------------------------------------------------------------

#   Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
#   reserved.

#   Copyright (C) 2011-2017 University of Waikato, Hamilton, NZ

BASEDIR=`dirname $0`/..
BASEDIR=`(cd "$BASEDIR"; pwd)`

# OS specific support.  $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
case "`uname`" in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true
           if [ -z "$JAVA_VERSION" ] ; then
             JAVA_VERSION="CurrentJDK"
           else
             echo "Using Java version: $JAVA_VERSION"
           fi
           if [ -z "$JAVA_HOME" ] ; then
             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/${JAVA_VERSION}/Home
           fi
           ;;
esac

if [ -z "$JAVA_HOME" ] ; then
  if [ -r /etc/gentoo-release ] ; then
    JAVA_HOME=`java-config --jre-home`
  fi
fi

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
  [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] && CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

# If a specific java binary isn't specified search for the standard 'java' binary
if [ -z "$JAVACMD" ] ; then
  if [ -n "$JAVA_HOME"  ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      # IBM's JDK on AIX uses strange locations for the executables
      JCMD="$JAVA_HOME/jre/sh/java"
    else
      JCMD="$JAVA_HOME/bin/java"
    fi
  else
    JCMD=`which java`
  fi
else
  JCMD=$JAVACMD
fi

if [ ! -x "$JCMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly."
  echo "  We cannot execute $JCMD"
  exit 1
fi

REPO="$BASEDIR"/lib
RESOURCES="$BASEDIR"/resources
PRIORITY="$REPO/java-cup-11b-20160615.jar"

# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
  [ -n "$CLASSPATH" ] && CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
  [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
  [ -n "$HOME" ] && HOME=`cygpath --path --windows "$HOME"`
  [ -n "$REPO" ] && REPO=`cygpath --path --windows "$REPO"`
  [ -n "$RESOURCES" ] && RESOURCES=`cygpath --path --windows "$RESOURCES"`
  [ -n "$PRIORITY" ] && PRIORITY=`cygpath --path --windows "$PRIORITY"`
  [ -n "$BASEDIR" ] && BASEDIR=`cygpath --path --windows "$BASEDIR"`
fi
