#!/bin/bash --posix
#
##############################################################################
# Copyright 2002-2011, LAMP/EPFL
# Copyright 2011, JetBrains
#
# This is free software; see the distribution for copying conditions.
# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
##############################################################################

cygwin=false;
case "`uname`" in
    CYGWIN*) cygwin=true ;;
esac

# Finding the root folder for this Kotlin distribution
SOURCE=$0;
SCRIPT=`basename "$SOURCE"`;
while [ -h "$SOURCE" ]; do
    SCRIPT=`basename "$SOURCE"`;
    LOOKUP=`ls -ld "$SOURCE"`;
    TARGET=`expr "$LOOKUP" : '.*-> \(.*\)$'`;
    if expr "${TARGET:-.}/" : '/.*/$' > /dev/null; then
        SOURCE=${TARGET:-.};
    else
        SOURCE=`dirname "$SOURCE"`/${TARGET:-.};
    fi;
done;

# see #2092
KOTLIN_HOME=`dirname "$SOURCE"`
KOTLIN_HOME=`cd "$KOTLIN_HOME"; pwd -P`
KOTLIN_HOME=`cd "$KOTLIN_HOME"/..; pwd`

# Remove spaces from KOTLIN_HOME on windows
if $cygwin; then
    KOTLIN_HOME=`cygpath --windows --short-name "$KOTLIN_HOME"`
    KOTLIN_HOME=`cygpath --unix "$KOTLIN_HOME"`
fi

# Constructing the extension classpath
TOOL_CLASSPATH=""
if [ -z "$TOOL_CLASSPATH" ] ; then
    for ext in "$KOTLIN_HOME"/lib/* ; do
        if [ -z "$TOOL_CLASSPATH" ] ; then
            TOOL_CLASSPATH="$ext"
        else
            TOOL_CLASSPATH="$TOOL_CLASSPATH:$ext"
        fi
    done
fi

[ -n "$JAVA_OPTS" ] || JAVA_OPTS="-Xmx256M -Xms32M"

# break out -D and -J options and add them to JAVA_OPTS as well
# so they reach the underlying JVM in time to do some good.  The
# -D options will be available as system properties.
declare -a java_args
declare -a kotlin_args

while [ $# -gt 0 ]; do
  case "$1" in
    -D*)
      # pass to kotlin as well: otherwise we lose it sometimes when we
      # need it, e.g. communicating with a server compiler.
      java_args=("${java_args[@]}" "$1")
      kotlin_args=("${kotlin_args[@]}" "$1")
      shift
      ;;
    -J*)
      # as with -D, pass to scala even though it will almost
      # never be used.
      java_args=("${java_args[@]}" "${1:2}")
      kotlin_args=("${kotlin_args[@]}" "$1")
      shift
      ;;
    *)
      kotlin_args=("${kotlin_args[@]}" "$1")
      shift
      ;;
  esac
done

# reset "$@" to the remaining args
set -- "${kotlin_args[@]}"

if [ -z "$JAVACMD" -a -n "$JAVA_HOME" -a -x "$JAVA_HOME/bin/java" ]; then
    JAVACMD="$JAVA_HOME/bin/java"
fi

CPSELECT="-cp "

"${JAVACMD:=java}" \
  $JAVA_OPTS \
  "${java_args[@]}" \
  ${CPSELECT}${TOOL_CLASSPATH} \
   org.jetbrains.jet.cli.KotlinCompiler  "$@"