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// Copyright (c) 2021, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
import { KotlinParser } from './argument-parsers';
import { JavaCompiler } from './java';
export class KotlinCompiler extends JavaCompiler {
static get key() {
return 'kotlin';
}
constructor(compilerInfo, env) {
super(compilerInfo, env);
this.javaHome = this.compilerProps(`compiler.${this.compiler.id}.java_home`);
}
getDefaultExecOptions() {
const execOptions = super.getDefaultExecOptions();
if (this.javaHome) {
execOptions.env.JAVA_HOME = this.javaHome;
}
return execOptions;
}
getMainClassName() {
return 'ExampleKt';
}
filterUserOptions(userOptions) {
// filter options without extra arguments
userOptions = (userOptions || []).filter(option =>
option !== '-script' && option !== '-progressive' && !option.startsWith('-Xjavac'));
const oneArgForbiddenList = new Set([
// -jdk-home path
// Include a custom JDK from the specified location
// into the classpath instead of the default JAVA_HOME
'-jdk-home',
// -kotlin-home path
// Path to the home directory of Kotlin compiler used for
// discovery of runtime libraries
'-kotlin-home',
]);
// filter options with one argument
return super.filterUserOptionsWithArg(userOptions, oneArgForbiddenList);
}
optionsForFilter(filters) {
// Forcibly enable javap
filters.binary = true;
return [
'-Xjavac-arguments="-Xlint:all"',
];
}
/**
* Handle Kotlin execution.
*
* Kotlin execution differs in the way that Kotlin requires its standard
* standard library because that's where the runtime libraries such as
* kotlin.jvm.internal.Intrinsics is.
*
* Therefore, we append the -include-runtime and -d flags to specify where
* to output the jarfile which we will run using `java -jar`
*
* TODO(supergrecko): Find a better fix than this bandaid for execution
*/
async handleInterpreting(key, executeParameters) {
const alteredKey = {
...key,
options: ['-include-runtime', '-d', 'example.jar'],
};
const compileResult = await this.getOrBuildExecutable(alteredKey);
executeParameters.args = [
'-Xss136K', // Reduce thread stack size
'-XX:CICompilerCount=2', // Reduce JIT compilation threads. 2 is minimum
'-XX:-UseDynamicNumberOfCompilerThreads',
'-XX:-UseDynamicNumberOfGCThreads',
'-XX:+UseSerialGC', // Disable parallell/concurrent garbage collector
'-cp',
compileResult.dirPath,
'-jar',
'example.jar',
// -jar <jar> has to be the last java parameter, otherwise it will use
// our java parameters as program parameters
...executeParameters.args,
];
const result = await this.runExecutable(this.javaRuntime, executeParameters, compileResult.dirPath);
result.didExecute = true;
result.buildResult = compileResult;
return result;
}
getArgumentParser() {
return KotlinParser;
}
}
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