private ArrayInitializerStyle ShouldEmitBlockInitializerForStackAlloc(TypeSymbol elementType, ImmutableArray <BoundExpression> inits)
{
if (!_module.SupportsPrivateImplClass)
{
return(ArrayInitializerStyle.Element);
}
elementType = elementType.EnumUnderlyingTypeOrSelf();
if (elementType.SpecialType.IsBlittable())
{
int initCount = 0;
int constCount = 0;
StackAllocInitializerCount(inits, ref initCount, ref constCount);
if (initCount > 2)
{
if (initCount == constCount)
{
return(ArrayInitializerStyle.Block);
}
int thresholdCnt = Math.Max(3, (initCount / 3));
if (constCount >= thresholdCnt)
{
return(ArrayInitializerStyle.Mixed);
}
}
}
return(ArrayInitializerStyle.Element);
}
private ArrayInitializerStyle ShouldEmitBlockInitializer(
TypeSymbol elementType,
ImmutableArray <BoundExpression> inits
)
{
if (!_module.SupportsPrivateImplClass)
{
return(ArrayInitializerStyle.Element);
}
if (elementType.IsEnumType())
{
if (!EnableEnumArrayBlockInitialization)
{
return(ArrayInitializerStyle.Element);
}
elementType = elementType.EnumUnderlyingTypeOrSelf();
}
if (elementType.SpecialType.IsBlittable())
{
if (_module.GetInitArrayHelper() == null)
{
return(ArrayInitializerStyle.Element);
}
int initCount = 0;
int constCount = 0;
InitializerCountRecursive(inits, ref initCount, ref constCount);
if (initCount > 2)
{
if (initCount == constCount)
{
return(ArrayInitializerStyle.Block);
}
int thresholdCnt = Math.Max(3, (initCount / 3));
if (constCount >= thresholdCnt)
{
return(ArrayInitializerStyle.Mixed);
}
}
}
return(ArrayInitializerStyle.Element);
}
public static IValueSetFactory?ForType(TypeSymbol type)
{
type = type.EnumUnderlyingTypeOrSelf();
return(ForSpecialType(type.SpecialType, type.IsNativeIntegerType));
}