public static void Call(ref mdr.CallFrame callFrame, int argsCount, int resultIndex, bool hasThis, bool isDirectEvalCall)
{
var values = callFrame.Values;
var calleeFrame = new mdr.CallFrame();
var sp = resultIndex;
calleeFrame.Function = values[sp++].AsDFunction();
if (hasThis)
{
calleeFrame.This = values[sp++].AsDObject();
}
else
{
if (isDirectEvalCall)
{
calleeFrame.CallerFunction = callFrame.Function;
calleeFrame.CallerContext = GetContext(ref callFrame);
calleeFrame.This = callFrame.This;
}
else
{
calleeFrame.This = mdr.Runtime.Instance.GlobalContext;
}
}
ReadArguments(ref callFrame, sp, argsCount, ref calleeFrame);
calleeFrame.Function.Call(ref calleeFrame);
values[resultIndex] = calleeFrame.Return;
}
public static void createEvent(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling document.createEvent");
//String eventClassString = callFrame.Arg0.ToString();
//DOMBinding.JSEvent evt = DOMBinding.JSEvent.createEvent(eventClassString, callFrame.This);
//callFrame.Return.Set(evt);
}
// TODO: Remove this; we need instead to generate a binding based upon the NamedConstructor WebIDL attribute.
// See http://dev.w3.org/html5/spec/the-img-element.html#the-img-element for how our IDL should look.
public static void Image(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("++$> calling Image constructor");
var window = (ContentWindow)mjr.JSRuntime.Instance.GlobalContext;
callFrame.Return.SetNullable(window.Document.CreateElement("img"));
}
public static void ReadFromContext(ref mdr.CallFrame callFrame, int resultIndex, int valueIndex, int fieldId)
{
var pd = GetPropertyDescriptor(ref callFrame, valueIndex, fieldId);
var context = GetContext(ref callFrame);
pd.Get(context, ref callFrame.Values[resultIndex]);
}
private void ctor(ref mdr.CallFrame callFrame)
{
if (IsConstrutor)
{
mdr.DObject newobject = new mdr.DObject(TargetPrototype);
if (callFrame.PassedArgsCount > 0)
{
newobject.PrimitiveValue.Set(Operations.Convert.ToBoolean.Run(ref callFrame.Arg0));
}
else
{
newobject.PrimitiveValue.Set(false);
}
//newobject.Class = "Boolean";
callFrame.This = (newobject);
}
else
{
if (callFrame.PassedArgsCount > 0)
{
callFrame.Return.Set(Operations.Convert.ToBoolean.Run(ref callFrame.Arg0));
}
else
{
callFrame.Return.Set(false);
}
}
}
// ECMA-262 section 15.5.4.19
void toLocaleUpperCase(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.toLocaleUpperCase()");
string thisString = callFrame.This.ToString();
callFrame.Return.Set(thisString.ToUpper());
}
// ECMA-262 section 15.5.4.10
void match(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.match()");
string S = callFrame.This.ToString();
mdr.DRegExp rx = callFrame.Arg0.AsDObject() as mdr.DRegExp;
if (rx == null)
{
rx = new mdr.DRegExp(callFrame.Arg0.AsString());
}
if (!rx.Global)
{
callFrame.Return.Set(rx.ExecImplementation(S));
return;
}
mdr.DArray result = new mdr.DArray();
int i = 0;
foreach (Match match in (rx.Value).Matches(S))
{
foreach (Group group in match.Groups)
{
//result.SetField(i++, new mdr.DString(group.Value.ToString()));
result.SetField(i++, group.Value);
}
}
callFrame.Return.Set(result);
}
// ECMA-262 section 15.5.4.20
void trim(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.trim()");
string thisString = callFrame.This.ToString();
callFrame.Return.Set(thisString.Trim());
}
public static void clearInterval(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling window.clearInterval");
int timer_id = callFrame.Arg0.AsInt32();
HTMLRuntime.Instance.TimerQueue.ClearInterval(timer_id);
}
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);
}
private static mdr.DArray CreateArgumentsObject(ref mdr.CallFrame callFrame)
{
var argsCount = callFrame.ExpectedArgsCount;
if (callFrame.PassedArgsCount > callFrame.ExpectedArgsCount)
{
argsCount = callFrame.PassedArgsCount;
}
var arguments = new mdr.DArray(argsCount);
switch (callFrame.PassedArgsCount)
{
case 0: break;
case 1: arguments.Elements[0] = callFrame.Arg0; goto case 0;
case 2: arguments.Elements[1] = callFrame.Arg1; goto case 1;
case 3: arguments.Elements[2] = callFrame.Arg2; goto case 2;
case 4: arguments.Elements[3] = callFrame.Arg3; goto case 3;
default:
Array.Copy(callFrame.Arguments, 0, arguments.Elements, 4, callFrame.PassedArgsCount - mdr.CallFrame.InlineArgsCount);
goto case 4;
}
///To comply with 10.6 item 6, we add a "length" property to prevent it affecting the actual array,
///TODO: in future version os Javscript, this is going change and Arguments is acutally an array
arguments.DefineOwnProperty("length", callFrame.PassedArgsCount, mdr.PropertyDescriptor.Attributes.Data | mdr.PropertyDescriptor.Attributes.NotEnumerable);
return(arguments);
}
public int RunScriptProgram(JSFunctionMetadata prgMetadata)
{
try
{
//TODO: It should be checked later. This situation should not happen
if (prgMetadata == null)
{
return(0);
}
var prgFunc = new mdr.DFunction(prgMetadata, null);
mdr.CallFrame callFrame = new mdr.CallFrame();
callFrame.Function = prgFunc;
callFrame.Signature = mdr.DFunctionSignature.EmptySignature;
callFrame.This = (GlobalContext);
prgFunc.Call(ref callFrame);
return(0);
}
catch (mjr.JSException e)
{
WriteJSException(e);
}
catch (Exception e)
{
Diagnostics.WriteException(e);
}
return(1);
}
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);
}
public static void ReadProperty(ref mdr.CallFrame callFrame, int resultIndex, int fieldId)
{
var values = callFrame.Values;
var container = values[resultIndex].AsDObject();
container.GetFieldByFieldId(fieldId, ref values[resultIndex]);
}
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);
}
public static void CreateFunction(ref mdr.CallFrame callFrame, int funcDefIndex, mdr.DObject context, ref Stack stack)
{
//Debug.WriteLine("calling Exec.CreateFunction");
var funcDef = ((JSFunctionMetadata)callFrame.Function.Metadata).SubFunctions[funcDefIndex];
var func = new mdr.DFunction(funcDef, context);
stack.Items[stack.Sp++].Set(func);;
}
public static void ReadIndexer(ref mdr.CallFrame callFrame, int resultIndex)
{
//TODO: make this dynamically adaptive
var values = callFrame.Values;
var container = values[resultIndex].AsDObject();
container.GetField(ref values[resultIndex + 1], ref values[resultIndex]);
}
public static void CreateFunction(ref mdr.CallFrame callFrame, int resultIndex, int functionIndex)
{
var func = new mdr.DFunction(
((JSFunctionMetadata)callFrame.Function.Metadata).SubFunctions[functionIndex]
, GetContext(ref callFrame));
callFrame.Values[resultIndex].Set(func);
}
// ECMA-262 section 15.5.4.3
void valueOf(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.valueOf()");
if (!(callFrame.This is mdr.DString))
{
throw new Exception("String.prototype.valueOf is not generic");
}
callFrame.Return.Set(callFrame.This.ToString());
}
void FirstExecute(ref mdr.CallFrame callFrame)
{
///We may have multiple function objects point to the same function
///therefore, this code might be executed multiple times, but once for each function object.
Prepare();
Execute = NormalExecute;
callFrame.Function.JittedCode = Execute; //To make sure from now on, it goes to the right function, also to prevent instanciating a new delegate object.
NormalExecute(ref callFrame);
}
// ECMA-262 section 15.6.4.3
private static void valueOf(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSBoolean.valueOf");
if (callFrame.This.ValueType != mdr.ValueTypes.Boolean)
{
throw new Exception("Boolean.prototype.valueOf is not generic");
}
callFrame.Return.Set(callFrame.This.ToBoolean());
}
public PositionListener(mdr.DFunction handler, mdr.DFunction errorHandler, PositionListenerOptions options)
{
this._handler = handler;
// TODO: Unused.
/*this._errorHandler = errorHandler;
this._options = options;*/
_callFrame = new mdr.CallFrame();
_callFrame.Function = _handler;
}
public PositionListener(mdr.DFunction handler, mdr.DFunction errorHandler, PositionListenerOptions options)
{
this._handler = handler;
// TODO: Unused.
/*this._errorHandler = errorHandler;
* this._options = options;*/
_callFrame = new mdr.CallFrame();
_callFrame.Function = _handler;
}
public static void Execute(ref mdr.CallFrame callFrame, int fromIndex, int toIndex)
{
var ics = callFrame.Function.Metadata.InlineCache;
var i = fromIndex;
while (i <= toIndex)
{
Debug.WriteLine("Running {0}:{1}", i, ics[i].Method.Name);
i = ics[i](ref callFrame, i);
}
}
public static void CreateArray(ref mdr.CallFrame callFrame, int resultIndex, int valuesCount)
{
var values = callFrame.Values;
var array = new mdr.DArray(valuesCount);
for (var i = valuesCount - 1; i >= 0; --i)
{
array.Elements[i] = values[resultIndex + i];
}
values[resultIndex].Set(array);
}
/// <summary>
/// We use this function that may not be inlined and also enabled the common case to be inlined
/// </summary>
public static mdr.PropertyDescriptor GetPropertyDescriptor_Slow(ref mdr.CallFrame callFrame, int valueIndex, int fieldId)
{
var values = callFrame.Values;
Debug.Assert(values[valueIndex].ValueType == mdr.ValueTypes.Undefined, "callFrame.Values[{0}].ValueType = {1} and is not undefined", valueIndex, values[valueIndex].ValueType);
//first time visit
var pd = GetContext(ref callFrame).GetPropertyDescriptorByFieldId(fieldId);
values[valueIndex].Set(pd);
return(pd);
}
public static void New(ref mdr.CallFrame callFrame, int argsCount, int resultIndex)
{
var values = callFrame.Values;
var calleeFrame = new mdr.CallFrame();
var sp = resultIndex;
calleeFrame.Function = values[sp++].AsDFunction();
ReadArguments(ref callFrame, sp, argsCount, ref calleeFrame);
calleeFrame.Function.Construct(ref calleeFrame);
values[resultIndex].Set(calleeFrame.This);
}
public bool HandleEvent(JSEvent e)
{
try
{
Debug.WriteLine("Listeners loop starts here");
var callFrame = new mdr.CallFrame();
callFrame.PassedArgsCount = 1;
callFrame.Arg0.Set(e);
callFrame.Signature = new mdr.DFunctionSignature(ref callFrame, 1);
callFrame.This = e.CurrentTarget;
mdr.DFunction handler;
bool eventPropagationStopped = false;
if (_listeners == null)
{
return(false);
}
Debug.WriteLine("Listeners loop with " + _listeners.Count + " listeners");
//The event listener loop (inner loop)
for (var i = 0; i < _listeners.Count; ++i)
{
handler = _listeners[i];
callFrame.Function = handler;
if (handler != null)
{
if (_useCaptures.Contains(handler))
{
e.Phase = JSEvent.Phases.Captureing;
//TODO: Capturing
}
callFrame.Function.Call(ref callFrame);
if (e.PropagationStopped)
{
eventPropagationStopped = true;
}
if (e.ImmediatePropagationStopped)
{
eventPropagationStopped = true;
break;
}
}
}
return(eventPropagationStopped);
}
catch (System.Exception ex)
{
Diagnostics.WriteException(ex, "when processing event");
return(false);
}
}
// ECMA-262 section 15.5.4.15
void substring(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.substring()");
string thisString = callFrame.This.ToString();
int argsCount = callFrame.PassedArgsCount;
int start = Math.Min(Math.Max(callFrame.Arg0.AsInt32(), 0), thisString.Length);
int end = Math.Min(Math.Max((argsCount > 1) ? callFrame.Arg1.AsInt32() : thisString.Length, 0), thisString.Length);
int from = Math.Min(start, end);
int to = Math.Max(start, end);
callFrame.Return.Set(thisString.Substring(from, to - from));
}
public static void removeEventListener(ref mdr.CallFrame callFrame)
{
var eventName = "on" + callFrame.Arg0.AsString();
var listenerFunction = callFrame.Arg1.AsDFunction();
var eventListeners = GetEventListeners(callFrame.This, eventName);
if (eventListeners == null)
{
return;
}
eventListeners.Remove(listenerFunction);
}
private static void SetTimer(ref mdr.CallFrame callFrame, bool isInterval)
{
mdr.DFunction handler = null;
//TODO: We might need to do it better using sth like Callable property
if (callFrame.Arg0.ValueType == mdr.ValueTypes.Function)
{
handler = callFrame.Arg0.AsDFunction();
}
else if (callFrame.Arg0.ValueType == mdr.ValueTypes.String)
{
handler = HTMLRuntime.Instance.PrepareScript(callFrame.Arg0.AsString());
}
else
{
Debug.WriteLine("Invalid argument type {0} for setInterval", callFrame.Arg0.ValueType);
//Trace.Fail("Invalid argument type {0} for setInterval", callFrame.Arg0.ValueType);
}
//TODO: Consider the case in which it's nor function or string
long times = (long)callFrame.Arg1.AsInt32();
int argCount = callFrame.PassedArgsCount;
TimeoutEvent timeout = new TimeoutEvent(times, isInterval);
timeout.CallFrame.Function = handler;
Debug.WriteLineIf(
handler == null
, "The {0} handler function of timer {1} is null and arg0.ValueType={2} with value {3}"
, (isInterval ? "setInterval" : "setTimeout")
, timeout.Id
, callFrame.Arg0.ValueType
, mjr.Operations.Convert.ToString.Run(ref callFrame.Arg0)
);
//TODO: we need the following ASSERT, but for some reason, this will cause strange problems with WrappedObject.cpp:85 gcGetWrapper(), so we're going to catch this again later in TimerQueue.ProcessEvents
//Debug.Assert(timeout.CallFrame.Function != null, "The setTimeout handler function must not be null");
if (argCount > 2)
{
timeout.CallFrame.PassedArgsCount = argCount - 2;
if (timeout.CallFrame.PassedArgsCount > 4)
{
timeout.CallFrame.Arguments = new mdr.DValue[timeout.CallFrame.PassedArgsCount - 4];
}
for (int i = 0; i < argCount - 2; i++)
{
var arg = callFrame.Arg(i + 2);
timeout.CallFrame.SetArg(i, ref arg);
}
}
HTMLRuntime.Instance.TimerQueue.SetTimeoutOrInterval(timeout);
callFrame.Return.Set(timeout.Id);
}
public override void Execute(ref mdr.CallFrame callFrame)
{
if (SpecializedMethod != null && !Metadata.IsBlackListed)
{
SpecializedMethod(ref callFrame);
}
else
{
///NOTE: don't try to use interpreter instances since we may run this function recursively.
var currProfiler = Profiler;
if (Profiler != null)
{
var canProfile =
//Profiler.ExecutionCount > 0 &&//We don't want to profile in the very first execution
SpecializedMethodHandle == null &&//to be sure function is not being Jitted
!Metadata.IsBlackListed
;
++Profiler.ExecutionCount;
if (canProfile)
{
Profiler.Prepare();
}
else
{
Profiler = null; //Remove it to prevent profiling
}
}
if (GenericMethod != null)
{
GenericMethod(ref callFrame);
}
else if (JSRuntime.Instance.Configuration.EnableRecursiveInterpreter)
{
(new CodeGen.Interpreter()).Execute(ref callFrame);
}
else
{
Operations.ICMethods.Execute(ref callFrame, 0, Metadata.InlineCache.Length - 1);
}
if (currProfiler == null && JSRuntime.Instance.Configuration.EnableProfiling && !Metadata.IsBlackListed)
{
//This was the first excution
currProfiler = new CodeGen.Profiler(Metadata);
currProfiler.ExecutionCount = 1;
}
Profiler = currProfiler; //put it back
}
}
public static void Call(ref mdr.CallFrame callFrame, int argsCount, int resultIndex, bool hasThis, bool isDirectEvalCall)
{
var values = callFrame.Values;
var calleeFrame = new mdr.CallFrame();
var sp = resultIndex;
calleeFrame.Function = values[sp++].AsDFunction();
if (hasThis)
calleeFrame.This = values[sp++].AsDObject();
else
{
if (isDirectEvalCall)
{
calleeFrame.CallerFunction = callFrame.Function;
calleeFrame.CallerContext = GetContext(ref callFrame);
calleeFrame.This = callFrame.This;
}
else
calleeFrame.This = mdr.Runtime.Instance.GlobalContext;
}
ReadArguments(ref callFrame, sp, argsCount, ref calleeFrame);
calleeFrame.Function.Call(ref calleeFrame);
values[resultIndex] = calleeFrame.Return;
}
public static void New(ref mdr.CallFrame callFrame, int argsCount, int resultIndex)
{
var values = callFrame.Values;
var calleeFrame = new mdr.CallFrame();
var sp = resultIndex;
calleeFrame.Function = values[sp++].AsDFunction();
ReadArguments(ref callFrame, sp, argsCount, ref calleeFrame);
calleeFrame.Function.Construct(ref calleeFrame);
values[resultIndex].Set(calleeFrame.This);
}
public static void New(int argsCount, ref Stack stack)
{
//Debug.WriteLine("calling Exec.New");
var callFrame = new mdr.CallFrame();
ReadArguments(ref callFrame, argsCount, ref stack);
int funcIndex = stack.Sp - argsCount - 1;
callFrame.Function = stack.Items[funcIndex].AsDFunction();
callFrame.Function.Construct(ref callFrame);
stack.Items[funcIndex].Set(callFrame.This);
stack.Sp = funcIndex + 1;
}
public static void Call(ref mdr.CallFrame callerFrame, mdr.DObject context, int argsCount, bool hasThis, bool isDirectEvalCall, ref Stack stack)
{
//Debug.WriteLine("calling Exec.Call");
var calleeFrame = new mdr.CallFrame();
ReadArguments(ref calleeFrame, argsCount, ref stack);
int thisIndex = stack.Sp - argsCount - 1;
int funcIndex;
if (hasThis)
{
calleeFrame.This = Convert.ToObject.Run(ref stack.Items[thisIndex]);
funcIndex = thisIndex - 1;
}
else
{
funcIndex = thisIndex;
if (isDirectEvalCall)// && calleeFrame.Function == Builtins.JSGlobalObject.BuiltinEval) //We don't need to check for built in eval, ..
{
calleeFrame.CallerFunction = callerFrame.Function;
calleeFrame.CallerContext = context;
calleeFrame.This = callerFrame.This;
}
else
calleeFrame.This = (mdr.Runtime.Instance.GlobalContext);
}
calleeFrame.Function = stack.Items[funcIndex].AsDFunction();
int returnIndex = funcIndex;
calleeFrame.Function.Call(ref calleeFrame);
stack.Items[returnIndex] = calleeFrame.Return;
stack.Sp = returnIndex + 1;
}
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);*/
}
public static string ToString(ref mdr.DValue arg)
{
//TODO: it seems eventually, this is the right implementation, but for now, we use the special implementation
//mdr.DValue output;
//if (Operations.Internals.CallToStringProperty(Operations.Convert.ToObject.Run(ref arg), out output))
// return output.AsString();
//else
// return Operations.Convert.ToString.Run(ref arg);
string s;
if (!mdr.ValueTypesHelper.IsObject(arg.ValueType))
{
s = Operations.Convert.ToString.Run(ref arg);
}
else
{
var argObj = arg.AsDObject(); //TODO: should we call ToObject(arg) here instead?!
var toString = argObj.GetField("toString");
if (toString.ValueType == mdr.ValueTypes.Function)
{
var cf = new mdr.CallFrame();
cf.Function = toString.AsDFunction();
cf.Signature = mdr.DFunctionSignature.EmptySignature;
cf.This = argObj;
cf.Arguments = null;
cf.Function.Call(ref cf);
s = Operations.Convert.ToString.Run(ref cf.Return);
}
else
{
s = arg.AsString();
}
}
return s;
}
// ECMA-262, section 15.5.4.11
void replace(ref mdr.CallFrame callFrame)
{
Debug.WriteLine("Calling JSString.replace()");
string source = Operations.Convert.ToString.Run(callFrame.This);
if (callFrame.PassedArgsCount == 0
|| source.Length == 0 //This means if we enter the code, we have some chars in the string and don't have to keep checking the length
)
{
callFrame.Return.Set(source);
return;
}
//Trace.Assert(!string.IsNullOrEmpty(source), "Invalid situation, we should have returned by now!");
var regexp = callFrame.Arg0.As<mdr.DRegExp>();
if (regexp != null)
{
int count;
int lastIndex;
if (regexp.Global)
{
count = int.MaxValue;
lastIndex = 0;
regexp.LastIndex = 0;
}
else
{
count = 1;
lastIndex = Math.Max(0, regexp.LastIndex - 1);
}
var result = source;
if (lastIndex < source.Length)
{
if (callFrame.Arg1.ValueType == mdr.ValueTypes.Function)
{
var function = callFrame.Arg1.AsDFunction();
result = regexp.Value.Replace(source, (Match m) =>
{
mdr.CallFrame replaceCallFrame = new mdr.CallFrame();
replaceCallFrame.Function = function;
replaceCallFrame.This = (JSRuntime.Instance.GlobalContext);
if (!regexp.Global)
{
regexp.LastIndex = m.Index + 1;
}
replaceCallFrame.PassedArgsCount = m.Groups.Count + 2;
var extraArgsCount = replaceCallFrame.PassedArgsCount - mdr.CallFrame.InlineArgsCount;
if (extraArgsCount > 0)
replaceCallFrame.Arguments = new mdr.DValue[extraArgsCount];
replaceCallFrame.SetArg(0, m.Value);
int i;
for (i = 1; i < m.Groups.Count; i++)
{
if (m.Groups[i].Success)
{
replaceCallFrame.SetArg(i, m.Groups[i].Value);
}
else
{
replaceCallFrame.SetArg(i, mdr.Runtime.Instance.DefaultDUndefined);
}
}
replaceCallFrame.SetArg(i++, m.Index);
replaceCallFrame.SetArg(i++, source);
replaceCallFrame.Signature = new mdr.DFunctionSignature(ref replaceCallFrame, i);
function.Call(ref replaceCallFrame);
return replaceCallFrame.Return.AsString();
}, count, lastIndex);
}
else
{
var newString = Operations.Convert.ToString.Run(ref callFrame.Arg1);
result = regexp.Value.Replace(source, (Match m) =>
{
if (!regexp.Global)
{
regexp.LastIndex = m.Index + 1;
}
string after = source.Substring(Math.Min(source.Length - 1, m.Index + m.Length));
return EvaluateReplacePattern(m.Value, source.Substring(0, m.Index), after, newString, m.Groups);
}, count, lastIndex);
}
}
callFrame.Return.Set(result);
return;
}
else
{
string search = callFrame.Arg0.AsString();
int index = source.IndexOf(search);
if (index != -1)
{
if (callFrame.Arg1.ValueType == mdr.ValueTypes.Function)
{
var function = callFrame.Arg1.AsDFunction();
mdr.CallFrame replaceCallFrame = new mdr.CallFrame();
replaceCallFrame.Function = function;
replaceCallFrame.This = (JSRuntime.Instance.GlobalContext);
replaceCallFrame.SetArg(0, search);
replaceCallFrame.SetArg(1, index);
replaceCallFrame.SetArg(2, source);
replaceCallFrame.PassedArgsCount = 3;
replaceCallFrame.Signature = new mdr.DFunctionSignature(ref replaceCallFrame, 3);
function.Call(ref replaceCallFrame);
string replaceString = Operations.Convert.ToString.Run(ref replaceCallFrame.Return);
callFrame.Return.Set(source.Substring(0, index) + replaceString + source.Substring(index + search.Length));
return;
}
else
{
string replaceValue = Operations.Convert.ToString.Run(ref callFrame.Arg1);
string before = source.Substring(0, index);
string after = source.Substring(index + search.Length);
string newString = EvaluateReplacePattern(search, before, after, replaceValue, null);
callFrame.Return.Set(before + newString + after);
return;
}
}
else
{
callFrame.Return.Set(source);
return;
}
}
}
public bool HandleEvent(JSEvent e)
{
try
{
Debug.WriteLine("Listeners loop starts here");
var callFrame = new mdr.CallFrame();
callFrame.PassedArgsCount = 1;
callFrame.Arg0.Set(e);
callFrame.Signature = new mdr.DFunctionSignature(ref callFrame, 1);
callFrame.This = e.CurrentTarget;
mdr.DFunction handler;
bool eventPropagationStopped = false;
if (_listeners == null)
{
return false;
}
Debug.WriteLine("Listeners loop with " + _listeners.Count + " listeners");
//The event listener loop (inner loop)
for (var i = 0; i < _listeners.Count; ++i)
{
handler = _listeners[i];
callFrame.Function = handler;
if (handler != null)
{
if (_useCaptures.Contains(handler))
{
e.Phase = JSEvent.Phases.Captureing;
//TODO: Capturing
}
callFrame.Function.Call(ref callFrame);
if (e.PropagationStopped)
{
eventPropagationStopped = true;
}
if (e.ImmediatePropagationStopped)
{
eventPropagationStopped = true;
break;
}
}
}
return eventPropagationStopped;
}
catch (System.Exception ex)
{
Diagnostics.WriteException(ex, "when processing event");
return false;
}
}
public override void Execute(ref mdr.DValue result, ref mdr.CallFrame callFrame, Interpreter interpreter)
{
interpreter.PushLocation(this);
var tmpCallFrame = new mdr.CallFrame();
Function.Execute(ref result, ref callFrame, interpreter);
interpreter.LoadArguments(this.Arguments, ref tmpCallFrame, ref callFrame);
tmpCallFrame.Function = result.AsDFunction();
JSRuntime.StopTimer(interpreter.Timer);
tmpCallFrame.Function.Construct(ref tmpCallFrame);
JSRuntime.StartTimer(interpreter.Timer);
result.Set(tmpCallFrame.This);
interpreter.PopLocation(this, tmpCallFrame.Function);
}
public override void Execute(ref mdr.DValue result, ref mdr.CallFrame callFrame, Interpreter interpreter)
{
interpreter.PushLocation(this);
var tmpCallFrame = new mdr.CallFrame();
Function.Execute(ref result, ref callFrame, interpreter);
if (ThisArg != null)
{
var thisValue = new mdr.DValue();
ThisArg.Execute(ref thisValue, ref callFrame, interpreter);
tmpCallFrame.This = thisValue.AsDObject();
}
else if (IsDirectEvalCall)
{
tmpCallFrame.CallerFunction = callFrame.Function;
tmpCallFrame.CallerContext = interpreter.Context;
tmpCallFrame.This = callFrame.This;
}
else
{
tmpCallFrame.This = mdr.Runtime.Instance.GlobalContext;
}
interpreter.LoadArguments(this.Arguments, ref tmpCallFrame, ref callFrame);
tmpCallFrame.Function = result.AsDFunction();
JSRuntime.StopTimer(interpreter.Timer);
tmpCallFrame.Function.Call(ref tmpCallFrame);
JSRuntime.StartTimer(interpreter.Timer);
result = tmpCallFrame.Return;
interpreter.PopLocation(this, tmpCallFrame.Function);
}
