public int TailCall(int argumentCount, LabelOperand label, List <ImmediateOperand> unpackIndices)
{
Emit(new Instruction(
InstructionType.TailCall,
new ImmediateOperand(argumentCount),
label,
new ImmediateOperand(unpackIndices.Count),
new ListOperand <ImmediateOperand>(unpackIndices)));
return(-argumentCount);
}
public FunctionContext(ExpressionCompiler compiler, int frameIndex, Scope prevScope, string parentName, string name)
{
_instructions = new List <Instruction>();
_loopLabels = new IndexedStack <Tuple <LabelOperand, LabelOperand> >();
Compiler = compiler;
FrameIndex = frameIndex;
Scope = new Scope(frameIndex, prevScope);
ParentName = parentName;
Name = name;
FullName = string.Format("{0}{1}{2}", parentName, string.IsNullOrEmpty(parentName) ? "" : ".", Name ?? "");
AssignedName = name != null?prevScope.Get(name) : null;
Label = Compiler.MakeLabel("function");
IdentifierCount = 0;
}
public int Bind(LabelOperand label)
{
Emit(new Instruction(InstructionType.Label, label));
return(0);
}
public int JumpFalsePeek(LabelOperand label)
{
Emit(new Instruction(InstructionType.JmpFalseP, label));
return(0);
}
public int JumpFalse(LabelOperand label)
{
Emit(new Instruction(InstructionType.JmpFalse, label));
return(-1);
}
public int TailCall(int argumentCount, LabelOperand label)
{
Emit(new Instruction(InstructionType.TailCall, new ImmediateOperand(argumentCount), label));
return(-argumentCount);
}
public int Closure(LabelOperand label)
{
Emit(new Instruction(InstructionType.Closure, label));
return(1);
}
public virtual void PushLoop(LabelOperand continueTarget, LabelOperand breakTarget)
{
_loopLabels.Push(Tuple.Create(continueTarget, breakTarget));
}
