public IodineGenerator(StackFrame parentFrame, IodineInstanceMethodWrapper baseMethod,
IodineObject[] args)
: base(TypeDef)
{
arguments = args;
self = baseMethod.Self;
this.baseMethod = baseMethod.Method;
}
public StackFrame (IodineMethod method, StackFrame parent, IodineObject self, int localCount,
IodineObject[] locals) : this (method, parent, self, localCount)
{
parentLocals = locals;
this.locals = new IodineObject[localCount];
for (int i = 0; i < localCount; i++) {
this.locals [i] = locals [i];
}
}
public StackFrame (IodineMethod method, StackFrame parent, IodineObject self, int localCount)
{
LocalCount = localCount;
locals = new IodineObject[localCount];
parentLocals = locals;
Method = method;
Self = self;
Parent = parent;
}
public NativeStackFrame (InternalMethodCallback method, StackFrame parent)
: base (null, parent, null, 0)
{
this.NativeMethod = method;
}
internal StackFrame Duplicate (StackFrame top, int localCount)
{
if (localCount > LocalCount) {
IodineObject[] oldLocals = locals;
locals = new IodineObject[localCount];
Array.Copy (oldLocals, locals, oldLocals.Length);
}
return new StackFrame (Method, top, Self, Math.Max (LocalCount, localCount), locals);
}
public DebugResponse (SourceLocation location, StackFrame frame)
{
Location = location;
Frame = frame;
}
private IodineObject Invoke(IodineMethod method, IodineObject[] arguments)
{
if (method.Body.Count > 0)
{
currentLocation = method.Body [0].Location;
}
int insCount = method.Body.Count;
int prevStackSize = stackSize;
int i = 0;
foreach (string param in method.Parameters.Keys)
{
if (method.Variadic && (method.AcceptsKeywordArgs ? i == method.Parameters.Keys.Count - 2 :
i == method.Parameters.Keys.Count - 1))
{
IodineObject[] tupleItems = new IodineObject[arguments.Length - i];
Array.Copy(arguments, i, tupleItems, 0, arguments.Length - i);
Top.StoreLocal(method.Parameters [param], new IodineTuple(tupleItems));
}
else if (i == method.Parameters.Keys.Count - 1 && method.AcceptsKeywordArgs)
{
if (i < arguments.Length && arguments [i] is IodineHashMap)
{
Top.StoreLocal(method.Parameters [param], arguments [i]);
}
else
{
Top.StoreLocal(method.Parameters [param], new IodineHashMap());
}
}
else
{
Top.StoreLocal(method.Parameters [param], arguments [i++]);
}
}
StackFrame top = Top;
if (traceCallback != null)
{
Trace(TraceType.Function, top, currentLocation);
}
while (top.InstructionPointer < insCount && !top.AbortExecution && !Top.Yielded)
{
instruction = method.Body [Top.InstructionPointer++];
if (traceCallback != null && instruction.Location.Line != currentLocation.Line)
{
Trace(TraceType.Line, top, instruction.Location);
}
ExecuteInstruction();
top.Location = currentLocation;
}
IodineObject retVal = lastObject ?? IodineNull.Instance;
while (top.DisposableObjects.Count > 0)
{
top.DisposableObjects.Pop().Exit(this);
}
stackSize = prevStackSize;
if (top.AbortExecution)
{
return(IodineNull.Instance);
}
EndFrame();
return(retVal);
}
public IodineClosure(StackFrame frame, IodineMethod target)
: base(TypeDefinition)
{
this.frame = frame;
Target = target;
}
public IodineGenerator(StackFrame parentFrame, IodineMethod baseMethod, IodineObject[] args)
: base(TypeDef)
{
arguments = args;
this.baseMethod = baseMethod;
}
private void NewFrame(IodineMethod method, IodineObject self, int localCount)
{
frameCount++;
Top = new StackFrame (method, Top, self, localCount);
frames.Push (Top);
}
public StackFrame EndFrame()
{
frameCount--;
StackFrame ret = frames.Pop ();
if (frames.Count != 0) {
Top = frames.Peek ();
} else {
Top = null;
}
return ret;
}
private void NewFrame(StackFrame frame)
{
frameCount++;
Top = frame;
frames.Push (frame);
}
public void Unwind(int frames)
{
for (int i = 0; i < frames; i++) {
StackFrame frame = this.frames.Pop ();
frame.AbortExecution = true;
}
frameCount -= frames;
Top = this.frames.Peek ();
}
public IodineObject InvokeMethod(IodineMethod method, StackFrame frame, IodineObject self,
IodineObject[] arguments)
{
int requiredArgs = method.AcceptsKeywordArgs ? method.ParameterCount - 1 :
method.ParameterCount;
if ((method.Variadic && arguments.Length + 1 < requiredArgs) ||
(!method.Variadic && arguments.Length < requiredArgs)) {
RaiseException (new IodineArgumentException (method.ParameterCount));
return null;
}
NewFrame (frame);
return Invoke (method, arguments);
}
public UnhandledIodineExceptionException(StackFrame frame, IodineObject original)
{
OriginalException = original;
Frame = frame;
}
public override void IterReset(VirtualMachine vm)
{
stackFrame = new StackFrame (baseMethod, vm.Top, null, this.baseMethod.LocalCount);
}
public IodineClosure (StackFrame frame, IodineMethod target)
: base (TypeDefinition)
{
this.frame = frame;
Target = target;
}
private void Trace (TraceType type, StackFrame frame, SourceLocation location)
{
pauseVirtualMachine.WaitOne ();
if (traceCallback (type, this, frame, location)) {
pauseVirtualMachine.Reset ();
}
}
