public static void CreateArgumentsObject(ref mdr.CallFrame callFrame, int argumentsIndex)
{
var arguments = JSFunctionArguments.CreateArgumentsObject(ref callFrame, GetContext(ref callFrame));
callFrame.Values[argumentsIndex].Set(arguments);
SetArguments(ref callFrame, arguments);
}
static void ReadArguments(ref mdr.CallFrame callerFrame, int firstArgIndex, int argsCount, ref mdr.CallFrame calleeFrame)
{
var values = callerFrame.Values;
calleeFrame.PassedArgsCount = argsCount;
var argIndex = argsCount - 1;
var sp = firstArgIndex + argIndex;
switch (argsCount)
{
case 0:
break;
case 1:
calleeFrame.Arg0 = values[sp];
calleeFrame.Signature.InitArgType(argIndex--, calleeFrame.Arg0.ValueType);
goto case 0;
case 2:
calleeFrame.Arg1 = values[sp--];
calleeFrame.Signature.InitArgType(argIndex--, calleeFrame.Arg1.ValueType);
goto case 1;
case 3:
calleeFrame.Arg2 = values[sp--];
calleeFrame.Signature.InitArgType(argIndex--, calleeFrame.Arg2.ValueType);
goto case 2;
case 4:
calleeFrame.Arg3 = values[sp--];
calleeFrame.Signature.InitArgType(argIndex--, calleeFrame.Arg3.ValueType);
goto case 3;
default:
{
var remainintArgsCount = argsCount - mdr.CallFrame.InlineArgsCount;
calleeFrame.Arguments = JSFunctionArguments.Allocate(remainintArgsCount);
for (var i = remainintArgsCount - 1; i >= 0; --i)
{
calleeFrame.Arguments[i] = values[sp--];
calleeFrame.Signature.InitArgType(argIndex--, calleeFrame.Arguments[i].ValueType);
}
}
goto case 4;
}
}
public JSFunction()
: base(mdr.Runtime.Instance.DFunctionPrototype, "Function")
{
JittedCode = (ref mdr.CallFrame callFrame) =>
{
//ECMA 15.3.2.1
Debug.WriteLine("calling new Function");
StringBuilder properFunctionDeclaration = new StringBuilder("return function ");
int argsCount = 0;
string body;
if (callFrame.PassedArgsCount == 0)
{
argsCount = 0;
body = "";
}
else
if (callFrame.PassedArgsCount == 1)
{
argsCount = 0;
body = callFrame.Arg(0).AsString();
}
else
{
argsCount = callFrame.PassedArgsCount - 1;
body = callFrame.Arg(callFrame.PassedArgsCount - 1).AsString();
}
properFunctionDeclaration.Append("(");
for (int i = 0; i < argsCount; i++)
{
properFunctionDeclaration.Append(callFrame.Arg(i).AsString());
if (i < argsCount - 1)
{
properFunctionDeclaration.Append(",");
}
}
properFunctionDeclaration.Append(")");
properFunctionDeclaration.Append("{").Append(body).Append("}");
string properFunctionDecString = properFunctionDeclaration.ToString();
Debug.WriteLine("new Function: {0}", properFunctionDecString);
JSGlobalObject.EvalString(properFunctionDecString, ref callFrame.Return);
if (IsConstrutor)
{
callFrame.This = callFrame.Return.AsDFunction();
}
};
// toString is implementd in DObject
//TargetPrototype.DefineOwnProperty("toString", new mdr.DFunction((ref mdr.CallFrame callFrame) =>
//{
// Debug.WriteLine("calling JSFunction.toString");
// var function = callFrame.This as mdr.DFunction;
// if (function == null)
// Trace.Fail("TypeError");
// var funcStream = new System.IO.StringWriter();
// funcStream.WriteLine("{0} {{", Declaration(function));
// var astWriter = new mjr.Expressions.AstWriter(funcStream);
// astWriter.Execute((JSFunctionMetadata)function.Metadata);
// funcStream.WriteLine("}");
// callFrame.Return.Set(funcStream.ToString());
// //callFrame.Return.Set(function.ToString());
//}), mdr.PropertyDescriptor.Attributes.NotEnumerable | mdr.PropertyDescriptor.Attributes.Data);
TargetPrototype.DefineOwnProperty("apply", new mdr.DFunction((ref mdr.CallFrame callFrame) =>
{
Debug.WriteLine("calling JSFunction.apply");
var tmpCallFrame = new mdr.CallFrame();
tmpCallFrame.Function = callFrame.This.ToDFunction();
if (tmpCallFrame.Function == null)
{
throw new InvalidOperationException(".apply should be called on a Function object");
}
if (mdr.ValueTypesHelper.IsDefined(callFrame.Arg0.ValueType))
{
tmpCallFrame.This = Operations.Convert.ToObject.Run(ref callFrame.Arg0);
}
else
{
tmpCallFrame.This = mdr.Runtime.Instance.GlobalContext;
}
if (callFrame.PassedArgsCount > 1)
{
if (callFrame.Arg1.ValueType != mdr.ValueTypes.Array)
{
throw new InvalidOperationException("second argument of .apply should be an array");
}
var args = callFrame.Arg1.AsDArray();
tmpCallFrame.PassedArgsCount = args.Length;
switch (tmpCallFrame.PassedArgsCount)
{ //putting goto case x will crash the mono on linux
case 0:
break;
case 1:
tmpCallFrame.Arg0 = args.Elements[0];
break;
case 2:
tmpCallFrame.Arg1 = args.Elements[1];
goto case 1;
//tmpCallFrame.Arg0 = args.Elements[0];
//break;
case 3:
tmpCallFrame.Arg2 = args.Elements[2];
goto case 2;
//tmpCallFrame.Arg1 = args.Elements[1];
//tmpCallFrame.Arg0 = args.Elements[0];
//break;
case 4:
tmpCallFrame.Arg3 = args.Elements[3];
goto case 3;
//tmpCallFrame.Arg2 = args.Elements[2];
//tmpCallFrame.Arg1 = args.Elements[1];
//tmpCallFrame.Arg0 = args.Elements[0];
//break;
default:
tmpCallFrame.Arguments = JSFunctionArguments.Allocate(tmpCallFrame.PassedArgsCount - mdr.CallFrame.InlineArgsCount);
Array.Copy(args.Elements, mdr.CallFrame.InlineArgsCount, tmpCallFrame.Arguments, 0, tmpCallFrame.PassedArgsCount - mdr.CallFrame.InlineArgsCount);
goto case 4;
//tmpCallFrame.Arg3 = args.Elements[3];
//tmpCallFrame.Arg2 = args.Elements[2];
//tmpCallFrame.Arg1 = args.Elements[1];
//tmpCallFrame.Arg0 = args.Elements[0];
//break;
}
tmpCallFrame.Signature = new mdr.DFunctionSignature(args.Elements, tmpCallFrame.PassedArgsCount);
}
else
{
tmpCallFrame.PassedArgsCount = 0;
}
tmpCallFrame.Function.Call(ref tmpCallFrame);
if (tmpCallFrame.Arguments != null)
{
JSFunctionArguments.Release(tmpCallFrame.Arguments);
}
callFrame.Return = tmpCallFrame.Return;
}), mdr.PropertyDescriptor.Attributes.NotEnumerable | mdr.PropertyDescriptor.Attributes.Data);
TargetPrototype.DefineOwnProperty("call", new mdr.DFunction((ref mdr.CallFrame callFrame) =>
{
Debug.WriteLine("calling JSFunction.call");
var tmpCallFrame = new mdr.CallFrame();
tmpCallFrame.Function = callFrame.This.ToDFunction();
if (tmpCallFrame.Function == null)
{
throw new InvalidOperationException(".call should be called on a Function object");
}
switch (callFrame.PassedArgsCount)
{
case 0:
tmpCallFrame.PassedArgsCount = 0;
tmpCallFrame.This = mdr.Runtime.Instance.GlobalContext;
//throw new InvalidOperationException(".call should be called with at least one parameter");
break;
case 1:
//tmpCallFrame.This = callFrame.Arg0;
if (mdr.ValueTypesHelper.IsDefined(callFrame.Arg0.ValueType))
{
tmpCallFrame.This = Operations.Convert.ToObject.Run(ref callFrame.Arg0);
}
else
{
tmpCallFrame.This = mdr.Runtime.Instance.GlobalContext;
}
tmpCallFrame.PassedArgsCount = callFrame.PassedArgsCount - 1;
break;
case 2:
tmpCallFrame.Arg0 = callFrame.Arg1;
goto case 1;
//tmpCallFrame.This = callFrame.Arg0;
//tmpCallFrame.ArgsCount = callFrame.ArgsCount - 1;
//break;
case 3:
tmpCallFrame.Arg1 = callFrame.Arg2;
goto case 2;
//tmpCallFrame.Arg0 = callFrame.Arg1;
//tmpCallFrame.This = callFrame.Arg0;
//tmpCallFrame.ArgsCount = callFrame.ArgsCount - 1;
//break;
case 4:
tmpCallFrame.Arg2 = callFrame.Arg3;
goto case 3;
//tmpCallFrame.Arg1 = callFrame.Arg2;
//tmpCallFrame.Arg0 = callFrame.Arg1;
//tmpCallFrame.This = callFrame.Arg0;
//tmpCallFrame.ArgsCount = callFrame.ArgsCount - 1;
//break;
case 5:
tmpCallFrame.Arg3 = callFrame.Arguments[0];
goto case 4;
//tmpCallFrame.Arg2 = callFrame.Arg3;
//tmpCallFrame.Arg1 = callFrame.Arg2;
//tmpCallFrame.Arg0 = callFrame.Arg1;
//tmpCallFrame.This = callFrame.Arg0;
//tmpCallFrame.ArgsCount = callFrame.ArgsCount - 1;
//break;
default:
tmpCallFrame.Arguments = JSFunctionArguments.Allocate(tmpCallFrame.PassedArgsCount - mdr.CallFrame.InlineArgsCount);
Array.Copy(tmpCallFrame.Arguments, 0, callFrame.Arguments, 1, callFrame.PassedArgsCount - 1 - mdr.CallFrame.InlineArgsCount);
tmpCallFrame.Arg3 = callFrame.Arguments[0];
goto case 5;
//tmpCallFrame.Arg2 = callFrame.Arg3;
//tmpCallFrame.Arg1 = callFrame.Arg2;
//tmpCallFrame.Arg0 = callFrame.Arg1;
//tmpCallFrame.This = callFrame.Arg0;
//tmpCallFrame.ArgsCount = callFrame.ArgsCount - 1;
//break;
}
tmpCallFrame.Signature = new mdr.DFunctionSignature(ref tmpCallFrame, tmpCallFrame.PassedArgsCount);
tmpCallFrame.Function.Call(ref tmpCallFrame);
if (tmpCallFrame.Arguments != null)
{
JSFunctionArguments.Release(tmpCallFrame.Arguments);
}
callFrame.Return = tmpCallFrame.Return;
}), mdr.PropertyDescriptor.Attributes.NotEnumerable | mdr.PropertyDescriptor.Attributes.Data);
/*TargetPrototype.DefineOwnProperty("bind", new mdr.DFunction((ref mdr.CallFrame callFrame) =>
* {
* Debug.WriteLine("calling JSFunction.bind");
* Trace.Fail("Unimplemented");
* }), mdr.PropertyDescriptor.Attributes.NotEnumerable | mdr.PropertyDescriptor.Attributes.Data);*/
}
