зеркало из https://github.com/mozilla/pluotsorbet.git
87 строки
3.1 KiB
JavaScript
87 строки
3.1 KiB
JavaScript
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set shiftwidth=4 tabstop=4 autoindent cindent expandtab: */
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'use strict';
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var CLASSES;
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var JVM = function() {
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if (this instanceof JVM) {
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CLASSES = new Classes();
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} else {
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return new JVM();
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}
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}
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JVM.prototype.addPath = function(path, data) {
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return CLASSES.addPath(path, data);
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}
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JVM.prototype.initializeBuiltinClasses = function() {
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// These classes are guaranteed to not have a static initializer.
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CLASSES.java_lang_Object = CLASSES.loadClass("java/lang/Object");
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CLASSES.java_lang_Class = CLASSES.loadClass("java/lang/Class");
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CLASSES.java_lang_String = CLASSES.loadClass("java/lang/String");
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CLASSES.java_lang_Thread = CLASSES.loadClass("java/lang/Thread");
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}
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JVM.prototype.startIsolate0 = function(className, args) {
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var runtime = new Runtime(this);
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var ctx = new Context(runtime);
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var com_sun_cldc_isolate_Isolate = CLASSES.getClass("com/sun/cldc/isolate/Isolate");
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var isolate = ctx.newObject(com_sun_cldc_isolate_Isolate);
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isolate.id = util.id();
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var array = ctx.newArray("[Ljava/lang/String;", args.length);
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for (var n = 0; n < args.length; ++n)
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array[n] = args[n] ? ctx.newString(args[n]) : null;
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ctx.frames.push(new Frame(CLASSES.getMethod(com_sun_cldc_isolate_Isolate, "I.<init>.(Ljava/lang/String;[Ljava/lang/String;)V"),
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[ isolate, ctx.newString(className.replace(/\./g, "/")), array ], 0));
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ctx.execute();
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ctx.frames.push(new Frame(CLASSES.getMethod(com_sun_cldc_isolate_Isolate, "I.start.()V"), [ isolate ], 0));
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ctx.start();
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}
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JVM.prototype.startIsolate = function(isolate) {
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var mainClass = util.fromJavaString(isolate.class.getField("I._mainClass.Ljava/lang/String;").get(isolate)).replace(/\./g, "/");
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var mainArgs = isolate.class.getField("I._mainArgs.[Ljava/lang/String;").get(isolate);
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mainArgs.forEach(function(str, n) {
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mainArgs[n] = util.fromJavaString(str);
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});
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var runtime = new Runtime(this);
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var ctx = new Context(runtime);
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isolate.runtime = runtime;
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runtime.isolate = isolate;
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runtime.updateStatus(2); // STARTED
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var classInfo = CLASSES.getClass(mainClass);
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if (!classInfo)
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throw new Error("Could not find or load main class " + mainName);
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var entryPoint = CLASSES.getEntryPoint(classInfo);
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if (!entryPoint)
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throw new Error("Could not find main method in class " + mainName);
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ctx.thread = runtime.mainThread = ctx.newObject(CLASSES.java_lang_Thread);
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ctx.thread.pid = util.id();
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ctx.thread.alive = true;
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ctx.frames.push(new Frame(CLASSES.getMethod(CLASSES.java_lang_Thread, "I.<init>.(Ljava/lang/String;)V"),
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[ runtime.mainThread, ctx.newString("main") ], 0));
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ctx.execute();
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var args = ctx.newArray("[Ljava/lang/String;", mainArgs.length);
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for (var n = 0; n < mainArgs.length; ++n)
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args[n] = mainArgs[n] ? ctx.newString(mainArgs[n]) : null;
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ctx.frames.push(new Frame(entryPoint, [ args ], 0));
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ctx.start();
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}
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