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#!/usr/bin/env bash
# Based on scalac from the Scala distribution
# Copyright 2002-2011, LAMP/EPFL
# Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
# Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
cygwin=false;
case "`uname`" in
CYGWIN*) cygwin=true ;;
esac
# Based on findScalaHome() from scalac script
findKotlinHome() {
local source="${BASH_SOURCE[0]}"
while [ -h "$source" ] ; do
local linked="$(readlink "$source")"
local dir="$(cd -P $(dirname "$source") && cd -P $(dirname "$linked") && pwd)"
source="$dir/$(basename "$linked")"
done
(cd -P "$(dirname "$source")/.." && pwd)
}
findJavaVersion() {
# Note that this only loads the first component of the version, so "1.8.0_265" -> "1".
# But it's fine because major version is 9 for JDK 9, and so on.
regex='^.*version "([[:digit:]]+).*$'
while read -r line; do
if [[ "$line" =~ $regex ]]; then
echo ${BASH_REMATCH[1]}
fi
done <<< $("${JAVACMD:=java}" -version 2>&1)
}
KOTLIN_HOME="$(findKotlinHome)"
if $cygwin; then
# Remove spaces from KOTLIN_HOME on windows
KOTLIN_HOME=`cygpath --windows --short-name "$KOTLIN_HOME"`
fi
[ -n "$JAVA_OPTS" ] || JAVA_OPTS="-Xmx256M -Xms32M"
declare -a java_args
declare -a kotlin_args
while [ $# -gt 0 ]; do
case "$1" in
-D*)
java_args=("${java_args[@]}" "$1")
shift
;;
-J*)
java_args=("${java_args[@]}" "${1:2}")
if [ "x${1:2}" = "x" ]; then
echo "error: empty -J argument"
exit 1
fi
shift
;;
*)
kotlin_args=("${kotlin_args[@]}" "$1")
shift
;;
esac
done
if [ -z "$JAVACMD" -a -n "$JAVA_HOME" -a -x "$JAVA_HOME/bin/java" ]; then
JAVACMD="$JAVA_HOME/bin/java"
fi
declare -a kotlin_app
java_version="$(findJavaVersion)"
if [[ $java_version -ge 9 ]]; then
# Workaround the illegal reflective access warning from ReflectionUtil to ResourceBundle.setParent, see IDEA-248785.
java_args=("${java_args[@]}" "--add-opens" "java.base/java.util=ALL-UNNAMED")
fi
if [ -n "$KOTLIN_RUNNER" ]; then
java_args=("${java_args[@]}" "-Dkotlin.home=${KOTLIN_HOME}")
kotlin_app=("${KOTLIN_HOME}/lib/kotlin-runner.jar" "org.jetbrains.kotlin.runner.Main")
else
[ -n "$KOTLIN_COMPILER" ] || KOTLIN_COMPILER=org.jetbrains.kotlin.cli.jvm.K2JVMCompiler
if [[ $java_version < 13 ]]; then
java_args=("${java_args[@]}" "-noverify")
fi
declare additional_classpath=""
if [ -n "$KOTLIN_TOOL" ]; then
additional_classpath=":${KOTLIN_HOME}/lib/${KOTLIN_TOOL}"
fi
kotlin_app=("${KOTLIN_HOME}/lib/kotlin-preloader.jar" "org.jetbrains.kotlin.preloading.Preloader" "-cp" "${KOTLIN_HOME}/lib/kotlin-compiler.jar${additional_classpath}" $KOTLIN_COMPILER)
fi
"${JAVACMD:=java}" $JAVA_OPTS "${java_args[@]}" -cp "${kotlin_app[@]}" "${kotlin_args[@]}"
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