protected override void VisitNegateInstruction(NegateInstruction instruction)
{
ControlState.EvaluationStack.Pop(out var stackVal);
var resultStackVal = ComputeUnaryNumericOperation(
stackVal,
a => new CilStackValueInt32(-a.Value),
a => new CilStackValueInt64(-a.Value),
a => new CilStackValueFloat(-a.Value)
);
ControlState.EvaluationStack.Push(resultStackVal);
ControlState.MoveToNextInstruction();
}
public override Verb CreateVerb(string[] tokens)
{
Color(position, length, Operators);
switch (tokens[1])
{
case "-":
Element = new AbortElement();
break;
case ";":
Element = new FailElement();
break;
case ":":
Element = new FenceElement();
break;
case "^":
Element = new AnchorElement();
break;
case "!":
Element = new NegateElement();
Instruction = new NegateInstruction();
break;
case "&":
Element = new UseCaseElement();
break;
case "\\":
Element = new RecordSeparatorElement();
break;
default:
return(null);
}
return(new NullOp());
}
public void EmitNegate(Type type)
{
Emit(NegateInstruction.Create(type));
}
protected abstract void VisitNegateInstruction(NegateInstruction instruction);
