public override TypePrinterResult VisitPointerType(PointerType pointer,
TypeQualifiers quals)
{
var pointee = pointer.Pointee;
if (Context.Options.GenerateRawCBindings && !(pointee is FunctionType))
{
var ptrStr = ptrSelector.Match(pointer.ToNativeString()).Value;
var d = pointee.Desugar().ToString();
if (ptrStr.Equals("&"))
{
return($"ref {d}");
}
//if (d.Equals("sbyte") && ptrStr.Length == 1)
// return "[MarshalAs(UnmanagedType.LPStr)] string";
var res = string.Concat(d, ptrStr);
return(res);
}
if (MarshalKind == MarshalKind.NativeField)
{
return(IntPtrType);
}
if (pointee is FunctionType)
{
var function = pointee as FunctionType;
return(string.Format("{0}", function.Visit(this, quals)));
}
var isManagedContext = ContextKind == TypePrinterContextKind.Managed;
if (allowStrings && IsConstCharString(pointer))
{
if (isManagedContext)
{
return("string");
}
if (Parameter == null || Parameter.Name == Helpers.ReturnIdentifier)
{
return(IntPtrType);
}
if (Options.Encoding == Encoding.ASCII)
{
return(string.Format("[MarshalAs(UnmanagedType.LPStr)] string"));
}
if (Options.Encoding == Encoding.Unicode ||
Options.Encoding == Encoding.BigEndianUnicode)
{
return(string.Format("[MarshalAs(UnmanagedType.LPWStr)] string"));
}
throw new NotSupportedException(string.Format("{0} is not supported yet.",
Options.Encoding.EncodingName));
}
var desugared = pointee.Desugar();
// From http://msdn.microsoft.com/en-us/library/y31yhkeb.aspx
// Any of the following types may be a pointer type:
// * sbyte, byte, short, ushort, int, uint, long, ulong, char, float, double,
// decimal, or bool.
// * Any enum type.
// * Any pointer type.
// * Any user-defined struct type that contains fields of unmanaged types only.
var finalPointee = pointer.GetFinalPointee();
if (finalPointee.IsPrimitiveType())
{
// Skip one indirection if passed by reference
bool isRefParam = Parameter != null && (Parameter.IsOut || Parameter.IsInOut);
if (isManagedContext && isRefParam)
{
return(pointer.QualifiedPointee.Visit(this));
}
if (pointee.IsPrimitiveType(PrimitiveType.Void))
{
return(IntPtrType);
}
if (IsConstCharString(pointee) && isRefParam)
{
return(IntPtrType + "*");
}
// Do not allow strings inside primitive arrays case, else we'll get invalid types
// like string* for const char **.
allowStrings = isRefParam;
var result = pointer.QualifiedPointee.Visit(this);
allowStrings = true;
return(!isRefParam && result.Type == IntPtrType ? "void**" : result + "*");
}
Enumeration @enum;
if (desugared.TryGetEnum(out @enum))
{
// Skip one indirection if passed by reference
if (isManagedContext && Parameter != null && (Parameter.IsOut || Parameter.IsInOut) &&
pointee == finalPointee)
{
return(pointer.QualifiedPointee.Visit(this));
}
return(pointer.QualifiedPointee.Visit(this) + "*");
}
Class @class;
if ((desugared.IsDependent || desugared.TryGetClass(out @class)) &&
ContextKind == TypePrinterContextKind.Native)
{
return(IntPtrType);
}
return(pointer.QualifiedPointee.Visit(this));
}