/*
* Copyright 2014 Red Hat, Inc.
*
* 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.
*/
package io.nodyn.cli;
import io.nodyn.Nodyn;
import io.nodyn.runtime.NodynConfig;
import io.nodyn.runtime.RuntimeFactory;
import java.io.File;
import java.io.IOException;
public class Main {
private NodynConfig config;
private Nodyn nodyn;
public Main(String[] args) {
this.config = new NodynConfig(args);
}
public static void main(String[] args) throws IOException, InterruptedException {
int exitCode = new Main(args).run();
System.exit(exitCode);
}
public int run() {
if (config.isHelp()) {
return runHelp();
} else if (config.isVersion()) {
return runVersion();
} else {
return runNormal();
}
}
protected int runHelp() {
System.err.println("" +
"Usage: node [options] [ -e script | script.js ] [arguments] \n" +
" node debug script.js [arguments] \n" +
"\n" +
"Options:\n" +
" -v, --version print node's version\n" +
" -e, --eval script evaluate script\n" +
" -p, --print evaluate script and print result\n" +
" -i, --interactive always enter the REPL even if stdin\n" +
" does not appear to be a terminal\n" +
" --no-deprecation silence deprecation warnings\n" +
" --throw-deprecation throw an exception anytime a deprecated " +
"function is used\n" +
" --trace-deprecation show stack traces on deprecations\n" +
" --v8-options print v8 command line options\n" +
" --max-stack-size=val set max v8 stack size (bytes)\n" +
"\n" +
"Environment variables:\n" +
"NODE_PATH '" + File.pathSeparator + "'-separated list of directories\n" +
" prefixed to the module search path.\n" +
"NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n" +
" global contexts.\n" +
"NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n" +
"\n" +
"Documentation can be found at http://nodejs.org/\n");
return 0;
}
protected int runVersion() {
System.err.println( "v" + Nodyn.NODE_VERSION + " (v" + Nodyn.VERSION + ")" );
return 0;
}
protected int runNormal() {
RuntimeFactory factory = RuntimeFactory.init(this.config.getClassLoader(), RuntimeFactory.RuntimeType.DYNJS);
this.nodyn = factory.newRuntime(config);
try {
return this.nodyn.run();
} catch (Throwable t) {
this.nodyn.handleThrowable(t);
}
return -255;
}
}