private BinaryNumericPromotionDecision(Type leftType, Type rightType) {
if (TryMakeDecisionByMatchingOneType(leftType, rightType)) {
return;
}
else if (leftType.Equals(TypeSystem.Uint)) {
if (TypesShouldBePromotedToLong(rightType)) {
PromoteBothTypesToLong(leftType, rightType);
}
else {
LeftType = new TypePromotionDecision(leftType);
RightType = new TypePromotionDecision(rightType, TypeSystem.Uint);
}
return;
}
else if (rightType.Equals(TypeSystem.Uint)) {
if (TypesShouldBePromotedToLong(leftType)) {
PromoteBothTypesToLong(leftType, rightType);
}
else {
LeftType = new TypePromotionDecision(leftType, TypeSystem.Uint);
RightType = new TypePromotionDecision(rightType);
}
return;
}
LeftType = GetDecision(leftType, TypeSystem.Int, true);
RightType = GetDecision(rightType, TypeSystem.Int, true);
}
private UnaryNumericPromotionDecision(Type type, UnaryOperatorType @operator) {
switch (@operator) {
case UnaryOperatorType.BitNot:
case UnaryOperatorType.Minus:
case UnaryOperatorType.Plus:
if (Array.IndexOf(_convertableTypes, type) > -1) {
Type = new TypePromotionDecision(type, TypeSystem.Int);
return;
}
if (@operator == UnaryOperatorType.Minus && type.Equals(TypeSystem.Uint)) {
Type = new TypePromotionDecision(type, TypeSystem.Long);
return;
}
break;
}
Type = new TypePromotionDecision(type);
}
private BinaryNumericPromotionDecision(Type leftType, Type rightType)
{
if (TryMakeDecisionByMatchingOneType(leftType, rightType))
{
return;
}
else if (leftType.Equals(TypeSystem.Uint))
{
if (TypesShouldBePromotedToLong(rightType))
{
PromoteBothTypesToLong(leftType, rightType);
}
else
{
LeftType = new TypePromotionDecision(leftType);
RightType = new TypePromotionDecision(rightType, TypeSystem.Uint);
}
return;
}
else if (rightType.Equals(TypeSystem.Uint))
{
if (TypesShouldBePromotedToLong(leftType))
{
PromoteBothTypesToLong(leftType, rightType);
}
else
{
LeftType = new TypePromotionDecision(leftType, TypeSystem.Uint);
RightType = new TypePromotionDecision(rightType);
}
return;
}
LeftType = GetDecision(leftType, TypeSystem.Int, true);
RightType = GetDecision(rightType, TypeSystem.Int, true);
}
private UnaryNumericPromotionDecision(Type type, UnaryOperatorType @operator)
{
switch (@operator)
{
case UnaryOperatorType.BitNot:
case UnaryOperatorType.Minus:
case UnaryOperatorType.Plus:
if (Array.IndexOf(_convertableTypes, type) > -1)
{
Type = new TypePromotionDecision(type, TypeSystem.Int);
return;
}
if (@operator == UnaryOperatorType.Minus && type.Equals(TypeSystem.Uint))
{
Type = new TypePromotionDecision(type, TypeSystem.Long);
return;
}
break;
}
Type = new TypePromotionDecision(type);
}
private BinaryNumericPromotionDecision() {
LeftType = new TypePromotionDecision(null);
RightType = new TypePromotionDecision(null);
}
private UnaryNumericPromotionDecision() {
Type = new TypePromotionDecision(null);
}
private BinaryNumericPromotionDecision()
{
LeftType = new TypePromotionDecision(null);
RightType = new TypePromotionDecision(null);
}
private UnaryNumericPromotionDecision()
{
Type = new TypePromotionDecision(null);
}
