internal static void EvalString(string inputString, ref mdr.DValue result, mdr.DFunction callerFunction = null, mdr.DObject callerContext = null, mdr.DObject thisArg = null)
{
var funcMetadata = JSParser.ParseScript(inputString).Expression.Metadata;
var func = new mdr.DFunction(funcMetadata, null);
var tempCallFrame = new mdr.CallFrame();
bool isDirectEval = callerContext != null;
if (isDirectEval)
{
//function will behave as if it was the caller
Debug.Assert(thisArg != null && callerFunction != null && callerContext != null, "Invalid situation! Direct eval call must have thisArg, callerFunction, callerContext set");
funcMetadata.Scope.IsProgram = false;
funcMetadata.Scope.IsEvalFunction = true;
funcMetadata.ParentFunction = (JSFunctionMetadata)callerFunction.Metadata;
tempCallFrame.CallerContext = callerContext;
tempCallFrame.This = thisArg;
}
else
{
//This will behave just like a program code
tempCallFrame.CallerContext = mdr.Runtime.Instance.GlobalContext;
tempCallFrame.This = (mdr.Runtime.Instance.GlobalContext);
}
//TODO: find a way to assign a name to this
//funcMetadata.Name += "_eval"; //After we know the ParentFunction
tempCallFrame.Function = func;
tempCallFrame.Signature = mdr.DFunctionSignature.EmptySignature;
func.Call(ref tempCallFrame);
result.Set(ref tempCallFrame.Return);
}
