public static DescriptorComparison CheckNumericCompatibility(TypeDescriptor leftDeclaredDescriptor, TypeDescriptor rightDeclaredDescriptor, TypeDescriptor leftActualDescriptor, TypeDescriptor rightActualDescriptor)
{
var ld = leftDeclaredDescriptor;
var rd = rightDeclaredDescriptor;
var leftNumeric = CodeFlow.IsPrimitiveOrUnboxableSupportedNumberOrBoolean(ld);
var rightNumeric = CodeFlow.IsPrimitiveOrUnboxableSupportedNumberOrBoolean(rd);
// If the declared descriptors aren't providing the information, try the actual descriptors
if (!leftNumeric && !ObjectUtils.NullSafeEquals(ld, leftActualDescriptor))
{
ld = leftActualDescriptor;
leftNumeric = CodeFlow.IsPrimitiveOrUnboxableSupportedNumberOrBoolean(ld);
}
if (!rightNumeric && !ObjectUtils.NullSafeEquals(rd, rightActualDescriptor))
{
rd = rightActualDescriptor;
rightNumeric = CodeFlow.IsPrimitiveOrUnboxableSupportedNumberOrBoolean(rd);
}
if (leftNumeric && rightNumeric)
{
if (CodeFlow.AreBoxingCompatible(ld, rd))
{
return(new DescriptorComparison(true, true, CodeFlow.ToPrimitiveTargetDescriptor(ld)));
}
else
{
return(INCOMPATIBLE_NUMBERS);
}
}
else
{
return(NOT_NUMBERS);
}
}