cinterop

#!/usr/bin/env bash 
#
# Copyright 2010-2017 JetBrains s.r.o.
#
# 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.

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

declare -a java_args
declare -a interop_args

OUTPUT_FILE_NAME=nativelib.kt.bc
TARGET=host

while [ $# -gt 0 ]; do
  case "$1" in
    -D*)
      java_args=("${java_args[@]}" "$1")
      shift
      ;;
    -J*)
      java_args=("${java_args[@]}" "${1:2}")
      shift
      ;;
    -o)
      OUTPUT_FILE_NAME="$2"
      shift 2
      ;;
    -target)
      TARGET="$2"
      shift 2
      ;;
     *)
      interop_args=("${interop_args[@]}" "$1")
      shift
      ;;
  esac
done

findHome() {
    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 "$source")/.." && pwd)
}
KONAN_HOME="$(findHome)"

NATIVE_LIB="${KONAN_HOME}/konan/nativelib"
JAVA_OPTS="-ea \
    -Djava.library.path=${NATIVE_LIB} \
    -Dkonan.home=${KONAN_HOME}"

STUB_GENERATOR_JAR="${KONAN_HOME}/konan/lib/StubGenerator.jar"
KOTLIN_JAR="${KONAN_HOME}/konan/lib/kotlin-compiler.jar"
INTEROP_INDEXER_JAR="${KONAN_HOME}/konan/lib/Indexer.jar"
INTEROP_RUNTIME_JAR="${KONAN_HOME}/konan/lib/Runtime.jar"
HELPERS_JAR="${KONAN_HOME}/konan/lib/helpers.jar"
INTEROP_CLASSPATH="$STUB_GENERATOR_JAR:$KOTLIN_JAR:$INTEROP_INDEXER_JAR:$INTEROP_RUNTIME_JAR:$HELPERS_JAR"
INTEROP_TOOL=org.jetbrains.kotlin.native.interop.gen.jvm.MainKt

FLAVOR_ARG="-flavor native"

GENERATED_DIR="$OUTPUT_FILE_NAME-build/kotlin"
GENERATED_ARG="-generated $GENERATED_DIR"
NATIVES_DIR="$OUTPUT_FILE_NAME-build/natives"
NATIVES_ARG="-natives $NATIVES_DIR"
CSTUBSNAME=cstubs
CSTUBSNAME_ARG="-cstubsname $CSTUBSNAME"

LIBCLANG_DISABLE_CRASH_RECOVERY=1 \
$JAVACMD $JAVA_OPTS ${java_args[@]} \
    -cp $INTEROP_CLASSPATH \
    $INTEROP_TOOL \
    $GENERATED_ARG $NATIVES_ARG $CSTUBSNAME_ARG \
    $FLAVOR_ARG -target $TARGET "${interop_args[@]}" \
    || exit 1

# Stubs may be rather big, so we may need more heap space.
XMX_ARG=-J-Xmx3G

$KONAN_HOME/bin/konanc $XMX_ARG "$GENERATED_DIR" -nolink -nativelibrary "$NATIVES_DIR/$CSTUBSNAME.bc" \
    -o "$OUTPUT_FILE_NAME" -target "$TARGET"