private IMethod makeUnaryObjectConstructor(IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = JavaScriptMethods.makeCtorReference(JavaScriptTypes.Object);
JavaScriptSummary S = new JavaScriptSummary(ref, 2);
S.addStatement(insts.ReturnInstruction(2, false));
S.getNextProgramCounter();
return new JavaScriptConstructor(ref, S, cls);
}
private IMethod makeNullaryNumberCall(IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = AstMethodReference.fnReference(JavaScriptTypes.Number);
JavaScriptSummary S = new JavaScriptSummary(ref, 1);
S.addConstant(new Integer(2), new ConstantValue(0.0));
S.addStatement(insts.ReturnInstruction(2, false));
S.getNextProgramCounter();
return new JavaScriptConstructor(ref, S, cls);
}
private IMethod makeUnaryNumberCall(IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = AstMethodReference.fnReference(JavaScriptTypes.Number);
JavaScriptSummary S = new JavaScriptSummary(ref, 2);
S.addStatement(insts.GetInstruction(4, 2, "toNumber"));
S.getNextProgramCounter();
CallSiteReference cs = new JSCallSiteReference(S.getNextProgramCounter());
S.addStatement(insts.Invoke(4, 5, new int[] {2}, 6, cs));
S.addStatement(insts.ReturnInstruction(5, false));
S.getNextProgramCounter();
return new JavaScriptConstructor(ref, S, cls);
}
/** create a method for constructing an Object with no arguments passed */
private IMethod makeNullaryObjectConstructor(IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = JavaScriptMethods.makeCtorReference(JavaScriptTypes.Object);
JavaScriptSummary S = new JavaScriptSummary(ref, 1);
S.addStatement(insts.GetInstruction(4, 1, "prototype"));
S.getNextProgramCounter();
S.addStatement(
insts.NewInstruction(
5, NewSiteReference.make(S.getNextProgramCounter(), JavaScriptTypes.Object)));
S.addStatement(insts.SetPrototype(5, 4));
// S.addStatement(insts.PutInstruction(5, 4, "__proto__"));
S.getNextProgramCounter();
S.addStatement(insts.ReturnInstruction(5, false));
S.getNextProgramCounter();
// S.addConstant(6, new ConstantValue("__proto__"));
return new JavaScriptConstructor(ref, S, cls);
}
private IMethod makeFunctionObjectConstructor(IClass cls, int nargs) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
Object key = Pair.make(cls, new Integer(nargs));
if (constructors.containsKey(key)) return constructors.get(key);
MethodReference ref = JavaScriptMethods.makeCtorReference(cls.getReference());
JavaScriptSummary S = new JavaScriptSummary(ref, nargs + 1);
S.addStatement(insts.GetInstruction(nargs + 4, 1, "prototype"));
S.getNextProgramCounter();
S.addStatement(
insts.NewInstruction(
nargs + 5, NewSiteReference.make(S.getNextProgramCounter(), JavaScriptTypes.Object)));
S.addStatement(insts.SetPrototype(nargs + 5, nargs + 4));
// S.addStatement(insts.PutInstruction(nargs + 5, nargs + 4, "__proto__"));
S.getNextProgramCounter();
CallSiteReference cs = new JSCallSiteReference(S.getNextProgramCounter());
int[] args = new int[nargs + 1];
args[0] = nargs + 5;
for (int i = 0; i < nargs; i++) args[i + 1] = i + 2;
S.addStatement(insts.Invoke(1, nargs + 7, args, nargs + 8, cs));
S.addStatement(insts.ReturnInstruction(nargs + 7, false));
S.getNextProgramCounter();
S.addStatement(insts.ReturnInstruction(nargs + 5, false));
S.getNextProgramCounter();
// S.addConstant(nargs + 9, new ConstantValue("__proto__"));
return record(key, new JavaScriptConstructor(ref, S, cls));
}
private IMethod makeFunctionConstructor(IClass receiver, IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
Pair<IClass, IClass> tableKey = Pair.make(receiver, cls);
if (constructors.containsKey(tableKey)) return constructors.get(tableKey);
MethodReference ref = JavaScriptMethods.makeCtorReference(receiver.getReference());
JavaScriptSummary S = new JavaScriptSummary(ref, 1);
S.addStatement(insts.GetInstruction(4, 1, "prototype"));
S.getNextProgramCounter();
S.addStatement(
insts.NewInstruction(
5, NewSiteReference.make(S.getNextProgramCounter(), cls.getReference())));
S.addStatement(
insts.NewInstruction(
7, NewSiteReference.make(S.getNextProgramCounter(), JavaScriptTypes.Object)));
S.addStatement(insts.SetPrototype(5, 4));
// S.addStatement(insts.PutInstruction(5, 4, "__proto__"));
S.getNextProgramCounter();
S.addStatement(insts.PutInstruction(5, 7, "prototype"));
S.getNextProgramCounter();
S.addStatement(insts.PutInstruction(7, 5, "constructor"));
S.getNextProgramCounter();
// TODO we need to set v7.__proto__ to Object.prototype
S.addStatement(insts.ReturnInstruction(5, false));
S.getNextProgramCounter();
// S.addConstant(8, new ConstantValue("__proto__"));
if (receiver != cls)
return record(
tableKey,
new JavaScriptConstructor(ref, S, receiver, "(" + cls.getReference().getName() + ")"));
else return record(tableKey, new JavaScriptConstructor(ref, S, receiver));
}
private IMethod makeArrayContentsConstructor(IClass cls, int nargs) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = JavaScriptMethods.makeCtorReference(JavaScriptTypes.Array);
JavaScriptSummary S = new JavaScriptSummary(ref, nargs + 1);
S.addConstant(new Integer(nargs + 3), new ConstantValue("prototype"));
S.addStatement(insts.PropertyRead(nargs + 4, 1, nargs + 3));
S.getNextProgramCounter();
S.addStatement(
insts.NewInstruction(
nargs + 5, NewSiteReference.make(S.getNextProgramCounter(), JavaScriptTypes.Array)));
S.addStatement(insts.SetPrototype(nargs + 5, nargs + 4));
// S.addStatement(insts.PutInstruction(nargs + 5, nargs + 4, "__proto__"));
S.getNextProgramCounter();
S.addConstant(new Integer(nargs + 7), new ConstantValue(nargs));
S.addStatement(insts.PutInstruction(nargs + 5, nargs + 7, "length"));
S.getNextProgramCounter();
int vn = nargs + 9;
for (int i = 0; i < nargs; i++, vn += 2) {
S.addConstant(new Integer(vn), new ConstantValue(i));
S.addStatement(insts.PropertyWrite(nargs + 5, vn, i + 1));
S.getNextProgramCounter();
}
S.addStatement(insts.ReturnInstruction(5, false));
S.getNextProgramCounter();
// S.addConstant(vn, new ConstantValue("__proto__"));
return new JavaScriptConstructor(ref, S, cls);
}
private IMethod makeArrayLengthConstructor(IClass cls) {
JSInstructionFactory insts =
(JSInstructionFactory) cls.getClassLoader().getInstructionFactory();
MethodReference ref = JavaScriptMethods.makeCtorReference(JavaScriptTypes.Array);
JavaScriptSummary S = new JavaScriptSummary(ref, 2);
S.addStatement(insts.GetInstruction(5, 1, "prototype"));
S.getNextProgramCounter();
S.addStatement(
insts.NewInstruction(
6, NewSiteReference.make(S.getNextProgramCounter(), JavaScriptTypes.Array)));
S.addStatement(insts.SetPrototype(6, 5));
// S.addStatement(insts.PutInstruction(6, 5, "__proto__"));
S.getNextProgramCounter();
S.addStatement(insts.PutInstruction(6, 2, "length"));
S.getNextProgramCounter();
S.addStatement(insts.ReturnInstruction(6, false));
S.getNextProgramCounter();
// S.addConstant(7, new ConstantValue("__proto__"));
return new JavaScriptConstructor(ref, S, cls);
}