pluotsorbet/native.js

522 строки
17 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set shiftwidth=4 tabstop=4 autoindent cindent expandtab: */
'Use strict';
var Native = {};
Native.invoke = function(ctx, methodInfo) {
if (!methodInfo.native) {
var key = methodInfo.classInfo.className + "." + methodInfo.name + "." + methodInfo.signature;
methodInfo.native = Native[key];
if (!methodInfo.native)
console.log(key);
}
methodInfo.native.call(null, ctx, ctx.current().stack);
}
Native["java/lang/System.arraycopy.(Ljava/lang/Object;ILjava/lang/Object;II)V"] = function(ctx, stack) {
var length = stack.pop(), dstOffset = stack.pop(), dst = stack.pop(), srcOffset = stack.pop(), src = stack.pop();
if (!src || !dst)
ctx.raiseException("java/lang/NullPointerException", "Cannot copy to/from a null array.");
var srcClass = src.class;
var dstClass = dst.class;
if (!srcClass.isArrayClass || !dstClass.isArrayClass)
ctx.raiseException("java/lang/ArrayStoreException", "Can only copy to/from array types.");
if (srcOffset < 0 || (srcOffset+length) > src.length || dstOffset < 0 || (dstOffset+length) > dst.length || length < 0)
ctx.raiseException("java/lang/ArrayIndexOutOfBoundsException", "Invalid index.");
if ((!!srcClass.elementClass != !!dstClass.elementClass) ||
(!srcClass.elementClass && srcClass != dstClass)) {
ctx.raiseException("java/lang/ArrayStoreException", "Incompatible component types.");
}
if (dstClass.elementClass) {
if (srcClass != dstClass && !srcClass.elementClass.isAssignableTo(dstClass.elementClass)) {
function copy(to, from) {
var obj = src[from];
if (obj && !obj.class.isAssignableTo(dstClass.elementClass))
ctx.raiseException("java/lang/ArrayStoreException", "Incompatible component types.");
dst[to] = obj;
}
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
copy(dstOffset++, srcOffset++);
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
copy(--dstOffset, --srcOffset);
}
return;
}
}
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
dst[dstOffset++] = src[srcOffset++];
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
dst[--dstOffset] = src[--srcOffset];
}
}
Native["java/lang/System.getProperty0.(Ljava/lang/String;)Ljava/lang/String;"] = function(ctx, stack) {
var key = stack.pop();
var value;
switch (util.fromJavaString(key)) {
case "microedition.encoding":
value = "UTF-8";
break;
case "microedition.locale":
value = navigator.language;
break;
case "microedition.platform":
value = "NOKIA503/JAVA_RUNTIME_VERSION=NOKIA_ASHA_1_2";
break;
case "fileconn.dir.memorycard":
value = "fcfile:///tmp/";
break;
case "fileconn.dir.private":
value = "fcfile:///tmp/";
break;
case "file.separator":
value = "/";
break;
case "com.sun.cldc.util.j2me.TimeZoneImpl.timezone":
value = "GMT";
break;
case "com.nokia.keyboard.type":
value = "FullKeyboard";
break;
default:
console.log("UNKNOWN PROPERTY (java/lang/System): " + util.fromJavaString(key));
value = null;
break;
}
stack.push(value ? CLASSES.newString(value) : null);
}
Native["java/lang/System.currentTimeMillis.()J"] = function(ctx, stack) {
stack.push2(Long.fromNumber(Date.now()));
}
Native["com/sun/cldchi/jvm/JVM.unchecked_char_arraycopy.([CI[CII)V"] =
Native["com/sun/cldchi/jvm/JVM.unchecked_int_arraycopy.([II[III)V"] =
Native["com/sun/cldchi/jvm/JVM.unchecked_obj_arraycopy.([Ljava/lang/Object;I[Ljava/lang/Object;II)V"] = function(ctx, stack) {
var length = stack.pop(), dstOffset = stack.pop(), dst = stack.pop(), srcOffset = stack.pop(), src = stack.pop();
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
dst[dstOffset++] = src[srcOffset++];
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
dst[--dstOffset] = src[--srcOffset];
}
}
Native["com/sun/cldchi/jvm/JVM.monotonicTimeMillis.()J"] = function(ctx, stack) {
stack.push2(Long.fromNumber(Date.now()));
}
Native["java/lang/Object.getClass.()Ljava/lang/Class;"] = function(ctx, stack) {
stack.push(stack.pop().class.getClassObject());
}
Native["java/lang/Object.hashCode.()I"] = function(ctx, stack) {
var obj = stack.pop();
var hashCode = obj.hashCode;
while (!hashCode)
hashCode = obj.hashCode = util.id();
stack.push(hashCode);
}
Native["java/lang/Object.wait.(J)V"] = function(ctx, stack) {
var timeout = stack.pop2(), obj = stack.pop();
ctx.wait(obj, timeout.toNumber());
}
Native["java/lang/Object.notify.()V"] = function(ctx, stack) {
var obj = stack.pop();
ctx.notify(obj);
}
Native["java/lang/Object.notifyAll.()V"] = function(ctx, stack) {
var obj = stack.pop();
ctx.notify(obj, true);
}
Native["java/lang/Class.invoke_clinit.()V"] = function(ctx, stack) {
var classObject = stack.pop();
var classInfo = classObject.vmClass;
if (classInfo.initialized || classInfo.pending)
return;
classInfo.pending = true;
var clinit = CLASSES.getMethod(classInfo, "<clinit>", "()V", true);
if (clinit)
ctx.pushFrame(clinit, 0);
if (classInfo.superClass)
ctx.pushClassInitFrame(classInfo.superClass);
throw VM.Yield;
}
Native["java/lang/Class.init9.()V"] = function(ctx, stack) {
var classObject = stack.pop();
var classInfo = classObject.vmClass;
if (classInfo.initialized)
return;
classInfo.pending = false;
classInfo.initialized = true;
}
Native["java/lang/Class.getName.()Ljava/lang/String;"] = function(ctx, stack) {
var classObject = stack.pop();
stack.push(util.cache(classObject, "getName", function () {
return CLASSES.newString(classObject.vmClass.className.replace(/\//g, "."));
}));
}
Native["java/lang/Class.forName.(Ljava/lang/String;)Ljava/lang/Class;"] = function(ctx, stack) {
var name = stack.pop();
try {
if (!name)
throw new Classes.ClassNotFoundException();
var className = util.fromJavaString(name).replace(/\./g, "/");
var classInfo = null;
classInfo = CLASSES.getClass(className);
} catch (e) {
if (e instanceof (Classes.ClassNotFoundException))
ctx.raiseException("java/lang/ClassNotFoundException", "'" + className + "' not found.");
throw e;
}
stack.push(classInfo.getClassObject());
}
Native["java/lang/Class.newInstance.()Ljava/lang/Object;"] = function(ctx, stack) {
var classObject = stack.pop();
var className = classObject.vmClass.className;
var syntheticMethod = {
classInfo: {
constant_pool: [
null,
{ tag: TAGS.CONSTANT_Class, name_index: 2 },
{ bytes: className },
{ tag: TAGS.CONSTANT_Methodref, class_index: 1, name_and_type_index: 4 },
{ name_index: 5, signature_index: 6 },
{ bytes: "<init>" },
{ bytes: "()V" },
]
},
code: [
0xbb, 0x00, 0x01, // new <idx=1>
0x59, // dup
0xb7, 0x00, 0x03, // invokespecial <idx=3>
0xb0 // areturn
],
};
ctx.pushFrame(syntheticMethod, 0);
throw VM.Yield;
};
Native["java/lang/Class.isInterface.()Z"] = function(ctx, stack) {
var classObject = stack.pop();
var classInfo = classObject.vmClass;
stack.push(ACCESS_FLAGS.isInterface(classInfo.access_flags) ? 1 : 0);
}
Native["java/lang/Class.isArray.()Z"] = function(ctx, stack) {
var classObject = stack.pop();
var classInfo = classObject.vmClass;
stack.push(classInfo.isArrayClass ? 1 : 0);
}
Native["java/lang/Class.isAssignableFrom.(Ljava/lang/Class;)Z"] = function(ctx, stack) {
var fromClass = stack.pop(), classObject = stack.pop();
if (!fromClass)
ctx.raiseException("java/lang/NullPointerException");
stack.push(fromClass.vmClass.isAssignableTo(classObject.vmClass) ? 1 : 0);
}
Native["java/lang/Class.isInstance.(Ljava/lang/Object;)Z"] = function(ctx, stack) {
var obj = stack.pop(), classObject = stack.pop();
stack.push((obj && obj.class.isAssignableTo(classObject.vmClass)) ? 1 : 0);
}
Native["java/lang/Float.floatToIntBits.(F)I"] = (function() {
var fa = new Float32Array(1);
var ia = new Int32Array(fa.buffer);
return function(ctx, stack) {
fa[0] = stack.pop();
stack.push(ia[0]);
}
})();
Native["java/lang/Double.doubleToLongBits.(D)J"] = (function() {
var da = new Float64Array(1);
var ia = new Int32Array(da.buffer);
return function(ctx, stack) {
da[0] = stack.pop2();
stack.push2(Long.fromBits(ia[0], ia[1]));
}
})();
Native["java/lang/Float.intBitsToFloat.(I)F"] = (function() {
var fa = new Float32Array(1);
var ia = new Int32Array(fa.buffer);
return function(ctx, stack) {
ia[0] = stack.pop();
stack.push(fa[0]);
}
})();
Native["java/lang/Double.longBitsToDouble.(J)D"] = (function() {
var da = new Float64Array(1);
var ia = new Int32Array(da.buffer);
return function(ctx, stack) {
var l = stack.pop2();
ia[0] = l.low_;
ia[1] = l.high_;
stack.push2(da[0]);
}
})();
Native["java/lang/Throwable.fillInStackTrace.()V"] = (function(ctx, stack) {
var throwable = stack.pop();
throwable.stackTrace = [];
ctx.frames.forEach(function(frame) {
if (!frame.methodInfo)
return;
var methodInfo = frame.methodInfo;
var methodName = methodInfo.name;
if (!methodName)
return;
var classInfo = methodInfo.classInfo;
var className = classInfo.className;
throwable.stackTrace.unshift({ className: className, methodName: methodName, offset: frame.ip });
});
});
Native["java/lang/Throwable.obtainBackTrace.()Ljava/lang/Object;"] = (function(ctx, stack) {
var obj = stack.pop();
var result = null;
if (obj.stackTrace) {
var depth = obj.stackTrace.length;
var classNames = CLASSES.newArray("[Ljava/lang/Object;", depth);
var methodNames = CLASSES.newArray("[Ljava/lang/Object;", depth);
var offsets = CLASSES.newPrimitiveArray("I", depth);
obj.stackTrace.forEach(function(e, n) {
classNames[n] = CLASSES.newString(e.className);
methodNames[n] = CLASSES.newString(e.methodName);
offsets[n] = e.offset;
});
result = CLASSES.newArray("[Ljava/lang/Object;", 3);
result[0] = classNames;
result[1] = methodNames;
result[2] = offsets;
}
stack.push(result);
});
Native["java/lang/Runtime.freeMemory.()J"] = function(ctx, stack) {
var runtime = stack.pop();
stack.push2(Long.fromInt(0x800000));
}
Native["java/lang/Runtime.totalMemory.()J"] = function(ctx, stack) {
var runtime = stack.pop();
stack.push2(Long.fromInt(0x1000000));
}
Native["java/lang/Runtime.gc.()V"] = function(ctx, stack) {
var runtime = stack.pop();
}
Native["java/lang/Math.floor.(D)D"] = function(ctx, stack) {
stack.push2(Math.floor(stack.pop2()));
}
Native["java/lang/Math.asin.(D)D"] = function(ctx, stack) {
stack.push2(Math.asin(stack.pop2()));
}
Native["java/lang/Math.acos.(D)D"] = function(ctx, stack) {
stack.push2(Math.acos(stack.pop2()));
}
Native["java/lang/Math.atan.(D)D"] = function(ctx, stack) {
stack.push2(Math.atan(stack.pop2()));
}
Native["java/lang/Math.atan2.(DD)D"] = function(ctx, stack) {
var y = stack.pop2(), x = stack.pop2();
stack.push2(Math.atan2(x, y));
}
Native["java/lang/Math.sin.(D)D"] = function(ctx, stack) {
stack.push2(Math.sin(stack.pop2()));
}
Native["java/lang/Math.cos.(D)D"] = function(ctx, stack) {
stack.push2(Math.cos(stack.pop2()));
}
Native["java/lang/Math.tan.(D)D"] = function(ctx, stack) {
stack.push2(Math.tan(stack.pop2()));
}
Native["java/lang/Math.sqrt.(D)D"] = function(ctx, stack) {
stack.push2(Math.sqrt(stack.pop2()));
}
Native["java/lang/Math.ceil.(D)D"] = function(ctx, stack) {
stack.push2(Math.ceil(stack.pop2()));
}
Native["java/lang/Math.floor.(D)D"] = function(ctx, stack) {
stack.push2(Math.floor(stack.pop2()));
}
Native["java/lang/Thread.currentThread.()Ljava/lang/Thread;"] = function(ctx, stack) {
stack.push(ctx.thread);
}
Native["java/lang/Thread.setPriority0.(II)V"] = function(ctx, stack) {
var newPriority = stack.pop(), oldPriority = stack.pop(), thread = stack.pop();
}
Native["java/lang/Thread.start0.()V"] = function(ctx, stack) {
var thread = stack.pop();
// The main thread starts during bootstrap and don't allow calling start()
// on already running threads.
if (thread === CLASSES.mainThread || thread.alive)
ctx.raiseException("java/lang/IllegalThreadStateException");
thread.alive = true;
thread.pid = util.id();
var run = CLASSES.getMethod(thread.class, "run", "()V", false, true);
// Create a context for the thread and start it.
var ctx = new Context();
ctx.thread = thread;
var caller = new Frame();
ctx.frames.push(caller);
caller.stack.push(thread);
var syntheticMethod = {
classInfo: {
constant_pool: [
null,
{ tag: TAGS.CONSTANT_Methodref, class_index: 2, name_and_type_index: 4 },
{ tag: TAGS.CONSTANT_Class, name_index: 3 },
{ bytes: "java/lang/Thread" },
{ tag: TAGS.CONSTANT_Methodref, name_index: 5, signature_index: 6 },
{ bytes: "run" },
{ bytes: "()V" },
{ tag: TAGS.CONSTANT_Methodref, class_index: 2, name_and_type_index: 8 },
{ name_index: 9, signature_index: 10 },
{ bytes: "internalExit" },
{ bytes: "()V" },
],
},
code: [
0x2a, // aload_0
0x59, // dup
0xb6, 0x00, 0x01, // invokespecial <idx=1>
0xb7, 0x00, 0x07, // invokespecial <idx=7>
0xb1, // return
],
exception_table: [],
};
ctx.pushFrame(syntheticMethod, 1);
ctx.start(caller);
}
Native["java/lang/Thread.internalExit.()V"] = function(ctx, stack) {
stack.pop().alive = false;
}
Native["java/lang/Thread.isAlive.()Z"] = function(ctx, stack) {
stack.push(stack.pop().alive ? 1 : 0);
}
Native["java/lang/Thread.sleep.(J)V"] = function(ctx, stack) {
var delay = stack.pop2().toNumber();
window.setTimeout(function() {
ctx.resume();
}, delay);
throw VM.Pause;
}
Native["java/lang/Thread.yield.()V"] = function(ctx, stack) {
throw VM.Yield;
}
Native["com/sun/cldchi/io/ConsoleOutputStream.write.(I)V"] = (function() {
var s = "";
return function(ctx, stack) {
var ch = stack.pop(), obj = stack.pop();
if (ch === 10) {
document.getElementById("output").textContent += s + "\n";
s = "";
return;
}
s += String.fromCharCode(ch);
};
})();
Native["com/sun/cldc/io/ResourceInputStream.open.(Ljava/lang/String;)Ljava/lang/Object;"] = function(ctx, stack) {
var name = stack.pop();
var fileName = util.fromJavaString(name);
var data = CLASSES.loadFile(fileName);
var obj = null;
if (data) {
obj = CLASSES.newObject(CLASSES.java_lang_Object);
obj.data = new Uint8Array(data);
obj.pos = 0;
}
stack.push(obj);
};
Native["com/sun/cldc/io/ResourceInputStream.bytesRemain.(Ljava/lang/Object;)I"] = function(ctx, stack) {
var handle = stack.pop();
stack.push(handle.data.length - handle.pos);
}
Native["com/sun/cldc/io/ResourceInputStream.readByte.(Ljava/lang/Object;)I"] = function(ctx, stack) {
var handle = stack.pop();
stack.push((handle.data.length - handle.pos > 0) ? handle.data[handle.pos++] : -1);
}
Native["com/sun/cldc/io/ResourceInputStream.readBytes.(Ljava/lang/Object;[BII)I"] = function(ctx, stack) {
var len = stack.pop(), off = stack.pop(), b = stack.pop(), handle = stack.pop();
var data = handle.data;
var remaining = data.length - handle.pos;
if (len > remaining)
len = remaining;
for (var n = 0; n < len; ++n)
b[off+n] = data[n];
handle.pos += len;
stack.push((len > 0) ? len : -1);
}
Native["com/sun/cldc/i18n/uclc/DefaultCaseConverter.toLowerCase.(C)C"] = function(ctx, stack) {
stack.push(String.fromCharCode(stack.pop()).toLowerCase().charCodeAt(0));
}
Native["com/sun/cldc/i18n/uclc/DefaultCaseConverter.toUpperCase.(C)C"] = function(ctx, stack) {
stack.push(String.fromCharCode(stack.pop()).toUpperCase().charCodeAt(0));
}
Native["java/lang/ref/WeakReference.initializeWeakReference.(Ljava/lang/Object;)V"] = function(ctx, stack) {
var target = stack.pop(), _this = stack.pop();
_this.target = target;
}
Native["java/lang/ref/WeakReference.get.()Ljava/lang/Object;"] = function(ctx, stack) {
var _this = stack.pop();
var target = _this.target;
stack.push(target ? target : null);
}
Native["java/lang/ref/WeakReference.clear.()V"] = function(ctx, stack) {
var _this = stack.pop();
_this.target = null;
}