pluotsorbet/frame.js

1185 строки
31 KiB
JavaScript
Исходник Обычный вид История

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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set shiftwidth=4 tabstop=4 autoindent cindent expandtab: */
'use strict';
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Array.prototype.push2 = function (value) {
this.push(value);
this.push(null);
}
Array.prototype.pop2 = function () {
this.pop();
return this.pop();
}
Array.prototype.top = function () {
return this[this.length - 1];
}
var Frame = function(methodInfo) {
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if (this instanceof Frame) {
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this.methodInfo = methodInfo;
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this.stack = [];
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} else {
return new Frame(methodInfo);
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}
}
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Frame.prototype.getLocal = function(idx) {
return this.locals[this.localsBase + idx];
}
Frame.prototype.setLocal = function(idx, value) {
this.locals[this.localsBase + idx] = value;
}
Frame.prototype.popType = function (type) {
return (type === "long" || type === "double") ? this.stack.pop2() : this.stack.pop();
}
Frame.prototype.popArgs = function (types) {
var args = Array(types.length);
console.log(types.length-1);
for (var i=types.length-1; i >= 0; --i)
args[i] = this.popType(types[i].type);
console.log("popArgs", types, args);
return args;
}
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Frame.prototype.isWide = function() {
return this.code[this.ip - 2] == OPCODES.wide;
}
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Frame.prototype.u16_to_s16 = function(x) {
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return (x > 0x7fff) ? (x - 0x10000) : x;
}
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Frame.prototype.u32_to_s32 = function(x) {
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return (x > 0x7fffffff) ? (x - 0x100000000) : x;
}
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Frame.prototype.read8 = function() {
return this.code[this.ip++];
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};
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Frame.prototype.read16 = function() {
return this.read8()<<8 | this.read8();
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};
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Frame.prototype.read32 = function() {
return this.read16()<<16 | this.read16();
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};
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Frame.prototype.read16signed = function() {
return this.u16_to_s16(this.read16());
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}
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Frame.prototype.read32signed = function() {
return this.u32_to_s32(this.read32());
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}
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Frame.prototype.throw = function(ex) {
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var handler_pc = null;
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for (var i=0; i<this.exception_table.length; i++) {
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if (this.ip >= this.exception_table[i].start_pc && this.ip <= this.exception_table[i].end_pc) {
if (this.exception_table[i].catch_type === 0) {
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handler_pc = this.exception_table[i].handler_pc;
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} else {
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var name = this.cp[this.cp[this.exception_table[i].catch_type].name_index].bytes;
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if (name === ex.getClassName()) {
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handler_pc = this.exception_table[i].handler_pc;
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break;
}
}
}
}
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if (handler_pc != null) {
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stack.push(ex);
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this.ip = handler_pc;
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} else {
throw ex;
}
}
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Frame.prototype.newException = function(className, message) {
var ex = CLASSES.newObject(className);
var ctor = CLASSES.getMethod(className, "<init>", "(Ljava/lang/String;)V");
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this.invoke(ctor, ex, [message]);
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this.throw(ex);
}
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Frame.prototype.run = function(caller) {
THREADS.current.frame = this;
var methodInfo = this.methodInfo;
this.cp = methodInfo.classInfo.getConstantPool();
var signature = Signature.parse(this.cp[methodInfo.signature_index].bytes);
var isStatic = ACCESS_FLAGS.isStatic(methodInfo.access_flags);
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var argc = 0;
if (!isStatic) {
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++argc;
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}
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var IN = signature.IN;
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for (var i=0; i<IN.length; i++) {
var type = IN[i].type;
++argc;
if (type === "long" || type === "double")
++argc;
}
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this.code = methodInfo.code;
this.ip = 0;
this.locals = caller.stack;
this.localsBase = caller.stack.length - argc;
if (!isStatic && !this.getLocal(0)) {
this.newException("java/lang/NullPointerException");
return;
}
var args = "args: ";
for (var i=0; i < argc; ++i)
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args += this.getLocal(i) + " ";
console.log(args);
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while (true) {
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var op = this.read8();
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console.log(this.methodInfo.classInfo.getClassName(), this.cp[this.methodInfo.name_index].bytes,
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this.ip - 1, OPCODES[op], this.stack.length);
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switch (op) {
case OPCODES.return:
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caller.stack.length -= argc;
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return;
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case OPCODES.ireturn:
case OPCODES.freturn:
case OPCODES.areturn:
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caller.stack.length -= argc;
caller.stack.push(this.stack.pop());
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return;
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case OPCODES.lreturn:
case OPCODES.dreturn:
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caller.stack.length -= argc;
caller.stack.push2(this.stack.pop2());
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return;
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default:
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var opName = OPCODES[op];
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if (!(opName in this)) {
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throw new Error(util.format("Opcode %s [%s] is not supported.", opName, op));
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}
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this[opName]();
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break;
}
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};
}
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Frame.prototype.nop = function() {
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}
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Frame.prototype.aconst_null = function() {
this.stack.push(null);
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}
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Frame.prototype.iconst_m1 = function() {
this.stack.push(-1);
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}
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Frame.prototype.iconst_0 = Frame.prototype.fconst_0 = function() {
this.stack.push(0);
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}
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Frame.prototype.lconst_0 = Frame.prototype.dconst_0 = function() {
this.stack.push2(0);
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}
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Frame.prototype.iconst_1 = Frame.prototype.fconst_1 = function() {
this.stack.push(1);
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}
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Frame.prototype.lconst_1 = Frame.prototype.dconst_1 = function() {
this.stack.push2(1);
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}
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Frame.prototype.iconst_2 = Frame.prototype.fconst_2 = function() {
this.stack.push(2);
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}
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Frame.prototype.iconst_3 = function() {
this.stack.push(3);
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}
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Frame.prototype.iconst_4 = function() {
this.stack.push(4);
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}
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Frame.prototype.iconst_5 = function() {
this.stack.push(5);
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}
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Frame.prototype.sipush = function() {
this.stack.push(this.read16());
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}
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Frame.prototype.bipush = function() {
this.stack.push(this.read8());
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}
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Frame.prototype.ldc = function() {
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var constant = this.cp[this.read8()];
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switch(constant.tag) {
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case TAGS.CONSTANT_String:
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this.stack.push(CLASSES.newString(this.cp[constant.string_index].bytes));
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break;
default:
throw new Error("not support constant type");
}
}
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Frame.prototype.ldc_w = function() {
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var constant = this.cp[this.read16()];
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switch(constant.tag) {
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case TAGS.CONSTANT_String:
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this.stack.push(this.cp[constant.string_index].bytes);
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break;
default:
throw new Error("not support constant type");
}
}
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Frame.prototype.ldc2_w = function() {
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var constant = this.cp[this.read16()];
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switch(constant.tag) {
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case TAGS.CONSTANT_String:
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this.stack.push(this.cp[constant.string_index].bytes);
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break;
case TAGS.CONSTANT_Long:
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this.stack.push2(Numeric.getLong(constant.bytes));
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break;
case TAGS.CONSTANT_Double:
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this.stack.push2(constant.bytes.readDoubleBE(0));
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break;
default:
throw new Error("not support constant type");
}
}
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Frame.prototype.iload = Frame.prototype.iload = Frame.prototype.aload = function() {
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var idx = this.isWide() ? this.read16() : this.read8();
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this.stack.push(this.getLocal(idx));
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}
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Frame.prototype.lload = Frame.prototype.dload = function() {
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var idx = this.isWide() ? this.read16() : this.read8();
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this.stack.push2(this.getLocal(idx));
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}
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Frame.prototype.iload_0 = Frame.prototype.fload_0 = Frame.prototype.aload_0 = function() {
this.stack.push(this.getLocal(0));
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}
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Frame.prototype.lload_0 = Frame.prototype.dloat_0 = function() {
this.stack.push2(this.getLocal(0));
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}
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Frame.prototype.iload_1 = Frame.prototype.fload_1 = Frame.prototype.aload_1 = function() {
this.stack.push(this.getLocal(1));
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}
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Frame.prototype.lload_1 = Frame.prototype.dloat_1 = function() {
this.stack.push2(this.getLocal(1));
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}
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Frame.prototype.iload_2 = Frame.prototype.fload_2 = Frame.prototype.aload_2 = function() {
this.stack.push(this.getLocal(2));
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}
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Frame.prototype.lload_2 = Frame.prototype.dloat_2 = function() {
this.stack.push2(this.getLocal(2));
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}
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Frame.prototype.iload_3 = Frame.prototype.fload_3 = Frame.prototype.aload_3 = function() {
this.stack.push(this.getLocal(3));
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}
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Frame.prototype.lload_3 = Frame.prototype.dloat_3 = function() {
this.stack.push2(this.getLocal(3));
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}
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Frame.prototype.checkArrayAccess = function(refArray, idx) {
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if (!refArray) {
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this.newException("java/lang/NullPointerException");
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return false;
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}
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if (idx < 0 || idx >= refArray.length) {
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this.newException("java/lang/ArrayIndexOutOfBoundsException", idx);
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return false;
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}
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return true;
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}
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Frame.prototype.iaload = Frame.prototype.faload = Frame.prototype.aaload = Frame.prototype.baload = Frame.prototype.caload = Frame.prototype.saload = function() {
var idx = this.stack.pop();
var refArray = this.stack.pop();
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if (!this.checkArrayAccess(refArray, idx)) {
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return;
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}
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this.stack.push(refArray[idx]);
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}
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Frame.prototype.laload = Frame.prototype.daload = function() {
var idx = this.stack.pop();
var refArray = this.stack.pop();
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if (!this.checkArrayAccess(refArray, idx)) {
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return;
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}
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this.stack.push2(refArray[idx]);
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}
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Frame.prototype.istore = Frame.prototype.fstore = Frame.prototype.astore = function() {
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var idx = this.isWide() ? this.read16() : this.read8();
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this.setLocal(idx, this.stack.pop());
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}
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Frame.prototype.lstore = Frame.prototype.dstore = function() {
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var idx = this.isWide() ? this.read16() : this.read8();
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this.setLocal(idx, this.stack.pop2());
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}
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Frame.prototype.istore_0 = Frame.prototype.fstore_0 = Frame.prototype.astore_0 = function() {
this.setLocal(0, this.stack.pop());
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}
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Frame.prototype.lstore_0 = Frame.prototype.dstore_0 = function() {
this.setLocal(0, this.stack.pop2());
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}
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Frame.prototype.istore_1 = Frame.prototype.fstore_1 = Frame.prototype.astore_1 = function() {
this.setLocal(1, this.stack.pop());
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}
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Frame.prototype.lstore_1 = Frame.prototype.dstore_1 = function() {
this.setLocal(1, this.stack.pop2());
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}
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Frame.prototype.istore_2 = Frame.prototype.fstore_2 = Frame.prototype.astore_2 = function() {
this.setLocal(2, this.stack.pop());
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}
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Frame.prototype.lstore_2 = Frame.prototype.dstore_2 = function() {
this.setLocal(2, this.stack.pop2());
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}
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Frame.prototype.istore_3 = Frame.prototype.fstore_3 = Frame.prototype.astore_3 = function() {
this.setLocal(3, this.stack.pop());
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}
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Frame.prototype.lstore_3 = Frame.prototype.dstore_3 = function() {
this.setLocal(3, this.stack.pop2());
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}
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Frame.prototype.iastore = Frame.prototype.fastore = Frame.prototype.aastore = Frame.prototype.bastore = Frame.prototype.castore = Frame.prototype.sastore = function() {
var val = this.stack.pop();
var idx = this.stack.pop();
var refArray = this.stack.pop();
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if (!this.checkArrayAccess(refArray, idx)) {
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return;
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}
refArray[idx] = val;
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}
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Frame.prototype.lastore = Frame.prototype.dastore = function() {
var val = this.stack.pop2();
var idx = this.stack.pop();
var refArray = this.stack.pop();
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if (!this.checkArrayAccess(refArray, idx)) {
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return;
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}
refArray[idx] = val;
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}
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Frame.prototype.pop = function() {
this.stack.pop();
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}
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Frame.prototype.pop2 = function() {
this.stack.pop2();
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}
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Frame.prototype.dup = function() {
var val = this.stack.pop();
this.stack.push(val);
this.stack.push(val);
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}
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Frame.prototype.dup_x1 = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val1);
this.stack.push(val2);
this.stack.push(val1);
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}
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Frame.prototype.dup_x2 = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
var val3 = this.stack.pop();
this.stack.push(val1);
this.stack.push(val3);
this.stack.push(val2);
this.stack.push(val1);
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}
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Frame.prototype.dup2 = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val2);
this.stack.push(val1);
this.stack.push(val2);
this.stack.push(val1);
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}
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Frame.prototype.dup2_x1 = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
var val3 = this.stack.pop();
this.stack.push(val2);
this.stack.push(val1);
this.stack.push(val3);
this.stack.push(val2);
this.stack.push(val1);
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}
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Frame.prototype.dup2_x2 = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
var val3 = this.stack.pop();
var val4 = this.stack.pop();
this.stack.push(val2);
this.stack.push(val1);
this.stack.push(val4);
this.stack.push(val3);
this.stack.push(val2);
this.stack.push(val1);
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}
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Frame.prototype.swap = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val1);
this.stack.push(val2);
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}
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Frame.prototype.iinc = function() {
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var wide = this.isWide();
var idx = wide ? this.read16() : this.read8();
var val = wide ? this.read16() : this.read8();
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this.setLocal(idx, this.getLocal(idx) + val);
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}
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Frame.prototype.iadd = function() {
this.stack.push((this.stack.pop() + this.stack.pop())|0);
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}
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Frame.prototype.ladd = function() {
this.stack.push2(this.stack.pop2().add(this.stack.pop2()));
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}
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Frame.prototype.dadd = function() {
this.stack.push2(this.stack.pop2() + this.stack.pop2());
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}
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Frame.prototype.fadd = function() {
this.stack.push(utils.double2float(this.stack.pop() + this.stack.pop()));
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}
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Frame.prototype.isub = function() {
this.stack.push((- this.stack.pop() + this.stack.pop())|0);
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}
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Frame.prototype.lsub = function() {
this.stack.push2(this.stack.pop2().add(this.stack.pop2()).negate());
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}
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Frame.prototype.dsub = function() {
this.stack.push2(- this.stack.pop2() + this.stack.pop2());
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}
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Frame.prototype.fsub = function() {
this.stack.push(utils.double2float(- this.stack.pop() + this.stack.pop()));
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}
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Frame.prototype.imul = function() {
this.stack.push(Math.imul(this.stack.pop(), this.stack.pop()));
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}
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Frame.prototype.lmul = function() {
this.stack.push2(this.stack.pop2().multiply(this.stack.pop2()));
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}
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Frame.prototype.dmul = function() {
this.stack.push2(this.stack.pop2() * this.stack.pop2());
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}
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Frame.prototype.fmul = function() {
this.stack.push(utils.double2float(this.stack.pop() * this.stack.pop()));
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}
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Frame.prototype.idiv = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
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if (!val1) {
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this.newException("java/lang/ArithmeticException", "/ by zero");
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return;
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}
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this.stack.push((val2 === utils.INT_MIN && val1 === -1) ? val2 : ((a / b)|0));
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}
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Frame.prototype.ldiv = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
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if (!val1.isZero()) {
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this.newException("java/lang/ArithmeticException", "/ by zero");
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return;
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}
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this.stack.push2(val2.div(val1));
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}
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Frame.prototype.ddiv = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
this.stack.push2(val2 / val1);
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}
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Frame.prototype.fdiv = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(utils.double2float(val2 / val1));
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}
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Frame.prototype.irem = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
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if (!val1) {
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this.newException("java/lang/ArithmeticException", "/ by zero");
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return;
}
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this.stack.push(val2 % val1);
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}
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Frame.prototype.lrem = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
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if (val1.isZero()) {
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this.newException("java/lang/ArithmeticException", "/ by zero");
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return;
}
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this.stack.push2(val2.modulo(val1));
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}
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Frame.prototype.drem = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
this.stack.push2(val2 % val1);
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}
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Frame.prototype.frem = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(utils.double2float(val2 % val1));
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}
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Frame.prototype.ineg = function() {
this.stack.push((- this.stack.pop())|0);
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}
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Frame.prototype.lneg = function() {
this.stack.push2(this.stack.pop2().negate());
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}
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Frame.prototype.dneg = function() {
this.stack.push2(- this.stack.pop2());
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}
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Frame.prototype.fneg = function() {
this.stack.push(- this.stack.pop());
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}
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Frame.prototype.ishl = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val2 << val1);
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}
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Frame.prototype.lshl = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
this.stack.push2(val2.shiftLeft(val1));
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}
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Frame.prototype.ishr = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val2 >> val1);
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}
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Frame.prototype.lshr = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
this.stack.push2(val2.shiftRight(val1));
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}
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Frame.prototype.iushr = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
this.stack.push(val2 >>> val1);
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}
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Frame.prototype.lushr = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
this.stack.push2(val2.shiftRightUnsigned(val1));
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}
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Frame.prototype.iand = function() {
this.stack.push(this.stack.pop() & this.stack.pop());
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}
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Frame.prototype.land = function() {
this.stack.push2(this.stack.pop2().and(this.stack.pop2()));
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}
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Frame.prototype.ior = function() {
this.stack.push(this.stack.pop() | this.stack.pop());
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}
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Frame.prototype.lor = function() {
this.stack.push2(this.stack.pop2().or(this.stack.pop2()));
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}
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Frame.prototype.ixor = function() {
this.stack.push(this.stack.pop() ^ this.stack.pop());
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}
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Frame.prototype.lxor = function() {
this.stack.push2(this.stack.pop2().xor(this.stack.pop2()));
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}
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Frame.prototype.lcmp = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
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if (val2.greaterThan(val1)) {
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this.stack.push(1);
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} else if (val2.lessThan(val1)) {
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this.stack.push(-1);
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} else {
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this.stack.push(0);
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}
}
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Frame.prototype.fcmpl = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
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if (isNaN(val1) || isNaN(val2)) {
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this.stack.push(-1);
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} else if (val2 > val1) {
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this.stack.push(1);
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} else if (val2 < val1) {
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this.stack.push(-1);
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} else {
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this.stack.push(0);
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}
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}
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Frame.prototype.fcmpg = function() {
var val1 = this.stack.pop();
var val2 = this.stack.pop();
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if (isNaN(val1) || isNaN(val2)) {
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this.stack.push(1);
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} else if (val2 > val1) {
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this.stack.push(1);
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} else if (val2 < val1) {
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this.stack.push(-1);
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} else {
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this.stack.push(0);
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}
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}
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Frame.prototype.dcmpl = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
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if (isNaN(val1) || isNaN(val2)) {
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this.stack.push(-1);
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} else if (val2 > val1) {
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this.stack.push(1);
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} else if (val2 < val1) {
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this.stack.push(-1);
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} else {
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this.stack.push(0);
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}
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}
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Frame.prototype.dcmpg = function() {
var val1 = this.stack.pop2();
var val2 = this.stack.pop2();
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if (isNaN(val1) || isNaN(val2)) {
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this.stack.push(1);
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} else if (val2 > val1) {
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this.stack.push(1);
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} else if (val2 < val1) {
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this.stack.push(-1);
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} else {
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this.stack.push(0);
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}
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}
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Frame.prototype.newarray = function() {
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var type = this.read8();
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var size = this.stack.pop();
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if (size < 0) {
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this.newException("java/lang/NegativeSizeException");
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return;
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}
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this.stack.push(CLASSES.newArray(type, size));
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}
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Frame.prototype.anewarray = function() {
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var idx = this.read16();
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var className = this.cp[this.cp[idx].name_index].bytes;
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var size = this.stack.pop();
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if (size < 0) {
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this.newException("java/lang/NegativeSizeException");
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return;
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}
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this.stack.push(new Array(size));
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}
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Frame.prototype.multianewarray = function() {
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var idx = this.read16();
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var type = this.cp[this.cp[idx].name_index].bytes;
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var dimensions = this.read8();
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var lengths = new Array(dimensions);
for(var i=0; i<dimensions; i++) {
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lengths[i] = this.stack.pop();
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}
var createMultiArray = function(lengths) {
if (lengths.length === 0) {
return null;
}
var length = lengths.shift();
var array = new Array(length);
for (var i=0; i<length; i++) {
array[i] = createMultiArray(lengths);
}
return array;
};
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this.stack.push(createMultiArray(lengths));
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}
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Frame.prototype.arraylength = function() {
var ref = this.stack.pop();
this.stack.push(ref.length);
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}
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Frame.prototype.if_icmpeq = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 === ref2 ? jmp : this.ip;
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_icmpne = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 !== ref2 ? jmp : this.ip;
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_icmpgt = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 < ref2 ? jmp : this.ip;
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_icmple = function() {
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var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() >= this.stack.pop() ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_icmplt = function() {
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var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() > this.stack.pop() ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_icmpge = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 <= ref2 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_acmpeq = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 === ref2 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.if_acmpne = function() {
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var jmp = this.ip - 1 + this.read16signed();
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var ref1 = this.stack.pop();
var ref2 = this.stack.pop();
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this.ip = ref1 !== ref2 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.ifne = function() {
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var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() !== 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.ifeq = function() {
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var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() === 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.iflt = function() {
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var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() < 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.ifge = function() {
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var jmp = this.ip - 1 + this.read16signed();
2014-07-13 10:05:35 +04:00
this.ip = this.stack.pop() >= 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.ifgt = function() {
2014-07-12 10:20:45 +04:00
var jmp = this.ip - 1 + this.read16signed();
2014-07-13 10:05:35 +04:00
this.ip = this.stack.pop() > 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.ifle = function() {
2014-07-12 10:20:45 +04:00
var jmp = this.ip - 1 + this.read16signed();
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this.ip = this.stack.pop() <= 0 ? jmp : this.ip;
2014-07-06 12:29:36 +04:00
}
2014-07-13 10:05:35 +04:00
Frame.prototype.i2l = function() {
this.stack.push2(new gLong(this.stack.pop()));
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.i2f = function() {
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.i2d = function() {
this.stack.push2(this.stack.pop());
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.i2b = function() {
this.stack.push((this.stack.pop() << 24) >> 24);
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.i2c = function() {
this.stack.push(this.stack.pop() & 0xffff);
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}
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Frame.prototype.i2s = function() {
this.stack.push((this.stack.pop() << 16) >> 16);
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.l2i = function() {
this.stack.push(this.stack.pop2().toInt());
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}
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Frame.prototype.l2d = function() {
this.stack.push2(this.stack.pop2().toNumber());
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}
2014-07-13 10:05:35 +04:00
Frame.prototype.l2f = function() {
this.stack.push(utils.double2float(this.stack.pop2().toNumber()));
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}
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Frame.prototype.d2i = function() {
this.stack.push(utils.double2int(this.stack.pop2()));
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}
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Frame.prototype.d2l = function() {
this.stack.push2(utils.double2long(this.stack.pop2()));
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}
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Frame.prototype.d2f = function() {
this.stack.push(utils.double2float(this.stack.pop2()));
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}
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Frame.prototype.f2d = function() {
this.stack.push2(this.stack.pop());
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}
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Frame.prototype.f2i = function() {
this.stack.push(utils.double2int(this.stack.pop()));
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}
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Frame.prototype.f2l = function() {
this.stack.push2(gLong.fromNumber(this.stack.pop()));
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}
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Frame.prototype.goto = function() {
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this.ip += this.read16signed() - 1;
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}
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Frame.prototype.goto_w = function() {
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this.ip += this.read32signed() - 1;
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}
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Frame.prototype.ifnull = function() {
var ref = this.stack.pop();
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if (!ref) {
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this.ip += this.read16signed() - 1;
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}
}
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Frame.prototype.ifnonnull = function() {
var ref = this.stack.pop();
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if (!!ref) {
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this.ip += this.read16signed() - 1;
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}
}
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Frame.prototype.putfield = function() {
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var idx = this.read16();
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var fieldName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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var val = this.stack.pop();
var obj = this.stack.pop();
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if (!obj) {
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this.newException("java/lang/NullPointerException");
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return;
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}
obj[fieldName] = val;
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}
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Frame.prototype.getfield = function() {
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var cp = this.cp;
var nameAndType = cp[cp[this.read16()].name_and_type_index];
var fieldName = cp[nameAndType.name_index].bytes;
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var obj = this.stack.pop();
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if (!obj) {
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this.newException("java/lang/NullPointerException");
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return;
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}
var value = obj[fieldName];
if (typeof value === "undefined") {
value = util.defaultValue(cp[nameAndType.signature_index].bytes);
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}
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this.stack.push(value);
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}
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Frame.prototype.new = function() {
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var idx = this.read16();
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var className = this.cp[this.cp[idx].name_index].bytes;
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this.stack.push(CLASSES.newObject(className));
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}
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Frame.prototype.getstatic = function() {
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var idx = this.read16();
var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var fieldName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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this.stack.push(CLASSES.getStaticField(className, fieldName));
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}
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Frame.prototype.putstatic = function() {
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var idx = this.read16();
var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var fieldName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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CLASSES.setStaticField(className, fieldName, this.stack.pop());
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}
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Frame.prototype.invoke = function(method, signature) {
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var result;
if (!(method instanceof MethodInfo)) {
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signature = Signature.parse(signature);
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var args = this.stack.popArgs(signature.IN);
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var instance = null;
if (!ACCESS_FLAGS.isStatic(method.access_flags))
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instance = this.stack.pop();
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result = method.apply(instance, args);
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var OUT = Signature.parse(signature).OUT;
if (OUT.length)
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this.stack.pushType(OUT[0], result);
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} else {
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new Frame(method).run(this);
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}
}
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Frame.prototype.invokestatic = function() {
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var idx = this.read16();
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var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var methodName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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var signature = this.cp[this.cp[this.cp[idx].name_and_type_index].signature_index].bytes;
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var method = CLASSES.getStaticMethod(className, methodName, signature);
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this.invoke(method, signature);
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}
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Frame.prototype.invokevirtual = function() {
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var self = this;
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var idx = this.read16();
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var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var methodName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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var signature = this.cp[this.cp[this.cp[idx].name_and_type_index].signature_index].bytes;
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var method = CLASSES.getMethod(className, methodName, signature);
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this.invoke(method, signature);
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}
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Frame.prototype.invokespecial = function() {
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var self = this;
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var idx = this.read16();
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var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var methodName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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var signature = this.cp[this.cp[this.cp[idx].name_and_type_index].signature_index].bytes;
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var method = CLASSES.getMethod(className, methodName, signature);
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this.invoke(method, signature);
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}
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Frame.prototype.invokeinterface = function() {
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var self = this;
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var idx = this.read16();
var argsNumber = this.read8();
var zero = this.read8();
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var className = this.cp[this.cp[this.cp[idx].class_index].name_index].bytes;
var methodName = this.cp[this.cp[this.cp[idx].name_and_type_index].name_index].bytes;
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var signature = this.cp[this.cp[this.cp[idx].name_and_type_index].signature_index].bytes;
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var method = this.stack.top()[methodName];
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this.invoke(method, signature);
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}
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Frame.prototype.jsr = function() {
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var jmp = this.read16();
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this.stack.push(this.ip);
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this.ip = jmp;
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}
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Frame.prototype.jsr_w = function() {
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var jmp = this.read32();
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this.stack.push(this.ip);
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this.ip = jmp;
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}
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Frame.prototype.ret = function() {
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var idx = this.isWide() ? this.read16() : this.read8();
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this.ip = this.getLocal(idx);
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}
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Frame.prototype.tableswitch = function() {
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var startip = this.ip;
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var jmp;
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while ((this.ip % 4) != 0) {
this.ip++;
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}
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var def = this.read32();
var low = this.read32();
var high = this.read32();
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var val = this.stack.pop();
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if (val < low || val > high) {
jmp = def;
} else {
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this.ip += (val - low) << 2;
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jmp = this.read32();
}
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this.ip = startip - 1 + this.u32_to_s32(jmp);
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}
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Frame.prototype.lookupswitch = function() {
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var startip = this.ip;
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while ((this.ip % 4) != 0) {
this.ip++;
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}
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var jmp = this.read32();
var size = this.read32();
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var val = this.stack.pop();
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lookup:
for(var i=0; i<size; i++) {
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var key = this.read32();
var offset = this.read32();
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if (key === val) {
jmp = offset;
}
if (key >= val) {
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break lookup;
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}
}
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this.ip = startip - 1 + this.u32_to_s32(jmp);
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}
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Frame.prototype.instanceof = function() {
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var idx = this.read16();
var className = this.cp[this.cp[idx].name_index].bytes;
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var obj = this.stack.pop();
this.stack.push(obj.class.getClassName() === className);
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}
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Frame.prototype.checkcast = function() {
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var idx = this.read16();
var type = this.cp[this.cp[idx].name_index].bytes;
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}
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Frame.prototype.athrow = function() {
this.throw(this.stack.pop());
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}
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Frame.prototype.wide = function() {
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}
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Frame.prototype.monitorenter = function() {
var obj = this.stack.pop();
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if (!obj) {
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this.newException("java/lang/NullPointerException");
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return;
}
if (obj.hasOwnProperty("$lock$")) {
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this.stack.push(obj);
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this.ip--;
// SCHEDULER.yield();
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} else {
obj["$lock$"] = "locked";
}
}
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Frame.prototype.monitorexit = function() {
var obj = this.stack.pop();
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if (!obj) {
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this.newException("java/lang/NullPointerException");
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return;
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}
delete obj["$lock$"];
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// SCHEDULER.yield();
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}