public Op GetJumpOp(AssemblyBuilder.AssemblyFunctionBuilder currentFunction)
{
switch (type)
{
case OperandTokenType.Literal:
if (isAddressOf)
{
throw new InvalidOperationException();
}
return(new Op(isDereference ? Operands.AddressInfoMask : Operands.LiteralInfoMask, op));
case OperandTokenType.Label:
Boolean isFrameOffset = true;
UInt64 labelOp;
if (!currentFunction.instructionLabels.TryGetValue(text, out labelOp))
{
//
// TODO: Add check for dataOffset. If it is true, then set isFrameOffset to false
//
throw new FormatException(String.Format("For Op {0}, could not find instruction label '{1}'",
ToString(), text));
}
if (isAddressOf)
{
throw new NotImplementedException();
}
if (isDereference)
{
return(new Op(isFrameOffset ? Operands.FrameOffsetDereferenceInfoMask : Operands.AddressDereferenceInfoMask,
labelOp + op));
}
return(new Op(isFrameOffset ? Operands.FrameOffsetInfoMask : Operands.AddressInfoMask,
labelOp));
case OperandTokenType.FramePointer:
throw new InvalidOperationException();
case OperandTokenType.DataPointer:
throw new InvalidOperationException();
default:
throw new InvalidOperationException(String.Format("Toke Type {0} unrecognized", type));
}
}
public MemoryOp GetMemoryOp(AssemblyBuilder.AssemblyFunctionBuilder currentFunction)
{
switch (type)
{
case OperandTokenType.Literal:
if (isAddressOf)
{
throw new InvalidOperationException();
}
if (!isDereference)
{
throw new InvalidOperationException("You must dereference a literal (add '(#num)') if you are writing to it");
}
return(new MemoryOp(Operands.AddressInfoMask, op));
case OperandTokenType.Label:
Boolean isFrameOffset = true;
UInt64 labelOp;
if (!currentFunction.frameOffsetLabels.TryGetValue(text, out labelOp))
{
//
// TODO: Add check for dataOffset. If it is true, then set isFrameOffset to false
//
throw new FormatException(String.Format("For Op {0}, could not find label '{1}'",
ToString(), text));
}
if (isAddressOf)
{
throw new InvalidOperationException("For a memory op, you can't use address of ('&') on a label because it is not writable");
}
if (isDereference)
{
return(new MemoryOp(isFrameOffset ? Operands.FrameOffsetDereferenceInfoMask : Operands.AddressDereferenceInfoMask,
labelOp + op));
}
return(new MemoryOp(isFrameOffset ? Operands.FrameOffsetInfoMask : Operands.AddressInfoMask, labelOp));
case OperandTokenType.FramePointer:
if (isAddressOf)
{
throw new InvalidOperationException();
}
if (!isDereference)
{
throw new NotImplementedException("Right now, the frame pointer must be dereferenced");
}
return(new MemoryOp(Operands.FrameOffsetInfoMask, op));
case OperandTokenType.DataPointer:
if (isAddressOf)
{
throw new InvalidOperationException();
}
if (!isDereference)
{
throw new NotImplementedException("Right now, the data pointer must be dereferenced");
}
return(new MemoryOp(Operands.AddressInfoMask, op));
default:
throw new InvalidOperationException(String.Format("Toke Type {0} unrecognized", type));
}
}
