protected internal override void VisitLoadVar(LoadVar node, object data)
{
StackTypes stack = data as StackTypes;
stack.Push(node.Var.Type);
AddTask(node.Next,stack);
}
internal void addUsage(StoreVar storer, LoadVar loader)
{
usageHash.Add(storer,loader);
}
protected internal virtual void VisitLoadVar(LoadVar node, object data)
{
throw new NodeNotSupportedException(node);
}
protected override void VisitLoadVar(LoadVar downNode, object o)
{
PointerValue ptr = new PointerToLocationValue(this.state.Pool[downNode.Var]);
this.loadVar(downNode, ptr, o);
}
protected override void VisitLoadVar(LoadVar upNode, object o)
{
State state = o as State;
BTValue val = state.Pool[upNode.Var].Val as BTValue;
state.Stack.Push(val);
BTType btType;
if (val.BTType == BTType.Dynamic)
btType = BTType.eXclusive;
else
btType = BTType.Static;
Annotation.SetNodeBTType(upNode, btType);
}
protected override void VisitLoadVar(LoadVar upNode, object o)
{
DepthContainer cnt = o as DepthContainer;
cnt.Depth -= 1;
}
protected internal override void VisitLoadVar(LoadVar node, object data)
{
switch(node.Var.Kind)
{
case VariableKind.Local:
{
generator.Emit(OpCodes.Ldloc, GetLocal(node.Var));
} break;
case VariableKind.Parameter:
{
int index = GetArgIndex(node.Var);
switch(index)
{
case 0:
generator.Emit(OpCodes.Ldarg_0);
break;
case 1:
generator.Emit(OpCodes.Ldarg_1);
break;
case 2:
generator.Emit(OpCodes.Ldarg_2);
break;
case 3:
generator.Emit(OpCodes.Ldarg_3);
break;
default:
if(index <= 255)
generator.Emit(OpCodes.Ldarg_S, (byte)index);
else
generator.Emit(OpCodes.Ldarg, index);
break;
}
} break;
case VariableKind.ArgList:
throw new EmissionException(); //TODO: not supported yet
}
AddTask(node.Next,null);
}