dotc

#!/usr/bin/env bash

if [ -z "$PROG_HOME" ] ; then
  ## resolve links - $0 may be a link to PROG_HOME
  PRG="$0"

  # need this for relative symlinks
  while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
      PRG="$link"
    else
      PRG="`dirname "$PRG"`/$link"
    fi
  done

  saveddir=`pwd`

  PROG_HOME=`dirname "$PRG"`/..

  # make it fully qualified
  PROG_HOME=`cd "$PROG_HOME" && pwd`

  cd "$saveddir"
fi

source "$PROG_HOME/bin/common"

default_java_opts="-Xmx768m -Xms768m"
bootcp=true
withCompiler=true

CompilerMain=dotty.tools.dotc.Main
DecompilerMain=dotty.tools.dotc.decompiler.Main
ReplMain=dotty.tools.repl.Main

PROG_NAME=$CompilerMain

addJava () {
  java_args+=("$1")
}
addScala () {
  scala_args+=("$1")
}
addResidual () {
  residual_args+=("$1")
}

classpathArgs () {
  # echo "dotty-compiler: $DOTTY_COMP"
  # echo "dotty-interface: $DOTTY_INTF"
  # echo "dotty-library: $DOTTY_LIB"
  # echo "scala-asm: $SCALA_ASM"
  # echo "scala-lib: $SCALA_LIB"
  # echo "scala-xml: $SCALA_XML"
  # echo "sbt-intface: $SBT_INTF"

  toolchain=""
  toolchain+="$SCALA_LIB$PSEP"
  toolchain+="$DOTTY_LIB$PSEP"
  toolchain+="$SCALA_ASM$PSEP"
  toolchain+="$SBT_INTF$PSEP"
  toolchain+="$DOTTY_INTF$PSEP"
  toolchain+="$DOTTY_LIB$PSEP"
  toolchain+="$DOTTY_COMP"

  if [[ -n "$bootcp" ]]; then
    jvm_cp_args="-Xbootclasspath/a:\"$toolchain\""
  else
    jvm_cp_args="-classpath \"$toolchain\""
  fi
}

while [[ $# -gt 0 ]]; do
case "$1" in
           --) shift; for arg; do addResidual "$arg"; done; set -- ;;
     -h|-help) help=true && shift ;;
  -v|-verbose) verbose=true && addScala "-verbose" && shift ;;
       -debug) DEBUG="$DEBUG_STR" && shift ;;
    -q|-quiet) quiet=true && shift ;;

    # Optimize for short-running applications, see https://github.com/lampepfl/dotty/issues/222
    -Oshort) addJava "-XX:+TieredCompilation -XX:TieredStopAtLevel=1" && shift ;;
        -repl) PROG_NAME="$ReplMain" && shift ;;
     -compile) PROG_NAME="$CompilerMain" && shift ;;
   -decompile) PROG_NAME="$DecompilerMain" && shift ;;
         -run) PROG_NAME="$ReplMain" && shift ;;
      -bootcp) bootcp=true && shift ;;
   -nobootcp) unset bootcp && shift ;;
      -colors) colors=true && shift ;;
   -no-colors) unset colors && shift ;;
  -with-compiler) jvm_cp_args="$PSEP$DOTTY_COMP" && shift ;;

          # break out -D and -J options and add them to JAVA_OPTS as well
          # so they reach the JVM in time to do some good. The -D options
          # will be available as system properties.
          -D*) addJava "$1" && addScala "$1" && shift ;;
          -J*) addJava "${1:2}" && addScala "$1" && shift ;;
            *) addResidual "$1" && shift ;;
  esac
done

classpathArgs

eval exec "\"$JAVACMD\"" \
     ${JAVA_OPTS:-$default_java_opts} \
     "$DEBUG" \
     "${java_args[@]}" \
     "$jvm_cp_args" \
     -Dscala.usejavacp=true \
     "$PROG_NAME"  \
     "${scala_args[@]}" \
     "${residual_args[@]}"
exit $?