public override TypePrinterResult VisitArrayType(ArrayType array,
TypeQualifiers quals)
{
Type arrayType = array.Type.Desugar();
if ((MarshalKind == MarshalKind.NativeField ||
(ContextKind == TypePrinterContextKind.Native &&
MarshalKind == MarshalKind.ReturnVariableArray)) &&
array.SizeType == ArrayType.ArraySize.Constant)
{
if (array.Size == 0)
{
var pointer = new PointerType(array.QualifiedType);
return(pointer.Visit(this));
}
PrimitiveType primitiveType;
if ((arrayType.IsPointerToPrimitiveType(out primitiveType) &&
!(arrayType is FunctionType)) ||
(arrayType.IsPrimitiveType() && MarshalKind != MarshalKind.NativeField))
{
if (primitiveType == PrimitiveType.Void)
{
return("void*");
}
return(array.QualifiedType.Visit(this));
}
if (Parameter != null)
{
return(IntPtrType);
}
Enumeration @enum;
if (arrayType.TryGetEnum(out @enum))
{
return(new TypePrinterResult($"fixed {@enum.BuiltinType}",
$"[{array.Size}]"));
}
if (arrayType.IsClass())
{
return(new TypePrinterResult($"fixed byte", $"[{array.GetSizeInBytes()}]"));
}
TypePrinterResult arrayElemType = array.QualifiedType.Visit(this);
// C# does not support fixed arrays of machine pointer type (void* or IntPtr).
// In that case, replace it by a pointer to an integer type of the same size.
if (arrayElemType == IntPtrType)
{
arrayElemType = Context.TargetInfo.PointerWidth == 64 ? "long" : "int";
}
// Do not write the fixed keyword multiple times for nested array types
var fixedKeyword = arrayType is ArrayType ? string.Empty : "fixed ";
return(new TypePrinterResult(fixedKeyword + arrayElemType.Type,
$"[{array.Size}]"));
}
// const char* and const char[] are the same so we can use a string
if (array.SizeType == ArrayType.ArraySize.Incomplete &&
arrayType.IsPrimitiveType(PrimitiveType.Char) &&
array.QualifiedType.Qualifiers.IsConst)
{
return("string");
}
if (arrayType.IsPointerToPrimitiveType(PrimitiveType.Char))
{
var prefix = ContextKind == TypePrinterContextKind.Managed ? string.Empty :
"[MarshalAs(UnmanagedType.LPArray)] ";
return($"{prefix}string[]");
}
var arraySuffix = array.SizeType != ArrayType.ArraySize.Constant &&
MarshalKind == MarshalKind.ReturnVariableArray ?
(ContextKind == TypePrinterContextKind.Managed &&
arrayType.IsPrimitiveType() ? "*" : string.Empty) : "[]";
return($"{arrayType.Visit(this)}{arraySuffix}");
}