/// <summary>
/// Pops two compatible arithmetic arguments from the execution stack.
/// </summary>
/// <param name="flags">The conversion flags.</param>
/// <param name="left">The left operand.</param>
/// <param name="right">The right operand.</param>
/// <returns>The type of the two operands.</returns>
public void PopArithmeticArgs(ConvertFlags flags, out Value left, out Value right)
{
right = PopCompareOrArithmeticValue(flags);
left = PopCompareOrArithmeticValue(flags);
Value result;
bool swapped = Utilities.Swap(
left.BasicValueType < right.BasicValueType,
ref left,
ref right);
switch (left.BasicValueType)
{
case BasicValueType.Int1:
case BasicValueType.Int32:
case BasicValueType.Int64:
case BasicValueType.Float32:
case BasicValueType.Float64:
result = Convert(right, left.Type, flags);
break;
default:
throw CodeGenerator.GetNotSupportedException(
ErrorMessages.NotSupportedArithmeticOperandTypes,
left.BasicValueType,
right.BasicValueType);
}
Debug.Assert(result != null);
right = result;
Utilities.Swap(swapped, ref left, ref right);
}
/// <summary>
/// Pops an element as integer from the stack.
/// </summary>
/// <param name="flags">The conversion flags.</param>
/// <returns>The popped element as integer.</returns>
public Value PopInt(ConvertFlags flags)
{
var type = PeekBasicValueType();
switch (type)
{
case BasicValueType.Int32:
case BasicValueType.Int64:
return(Pop());
case BasicValueType.Int1:
case BasicValueType.Int8:
case BasicValueType.Int16:
case BasicValueType.Float32:
return(Pop(
Builder.GetPrimitiveType(BasicValueType.Int32),
flags));
case BasicValueType.Float64:
return(Pop(
Builder.GetPrimitiveType(BasicValueType.Int64),
flags));
default:
throw CodeGenerator.GetNotSupportedException(
ErrorMessages.NotSupportedIntOperand, type);
}
}