public override bool VisitPointerType(PointerType pointer, TypeQualifiers quals)
{
if (!VisitType(pointer, quals))
{
return(false);
}
var param = Context.Parameter;
var isRefParam = param != null && (param.IsInOut || param.IsOut);
var pointee = pointer.Pointee.Desugar();
if (pointee.IsConstCharString())
{
if (param.IsOut)
{
MarshalString(pointee);
Context.Return.Write("IntPtr.Zero");
Context.ArgumentPrefix.Write("&");
return(true);
}
if (param.IsInOut)
{
MarshalString(pointee);
pointer.QualifiedPointee.Visit(this);
Context.ArgumentPrefix.Write("&");
return(true);
}
if (pointer.IsReference)
{
Context.Return.Write($@"({typePrinter.PrintNative(
pointee.GetQualifiedPointee())}*) ");
pointer.QualifiedPointee.Visit(this);
Context.ArgumentPrefix.Write("&");
return(true);
}
}
var finalPointee = (pointee.GetFinalPointee() ?? pointee).Desugar();
if (finalPointee.IsPrimitiveType(out PrimitiveType primitive) ||
finalPointee.IsEnumType())
{
if (isRefParam)
{
var local = Generator.GeneratedIdentifier($@"{
param.Name}{Context.ParameterIndex}");
Context.Before.WriteLine($@"fixed ({
pointer.Visit(typePrinter)} {local} = &{param.Name})");
Context.HasCodeBlock = true;
Context.Before.WriteOpenBraceAndIndent();
Context.Return.Write(local);
return(true);
}
if (Context.Context.Options.MarshalCharAsManagedChar &&
primitive == PrimitiveType.Char)
{
Context.Return.Write($"({typePrinter.PrintNative(pointer)}) ");
Context.Return.Write(param.Name);
return(true);
}
pointer.QualifiedPointee.Visit(this);
if (Context.Parameter.IsIndirect)
{
Context.ArgumentPrefix.Write("&");
}
bool isVoid = primitive == PrimitiveType.Void &&
pointee.IsAddress() && pointer.IsReference();
if (pointer.Pointee.Desugar(false) is TemplateParameterSubstitutionType ||
isVoid)
{
var local = Generator.GeneratedIdentifier($@"{
param.Name}{Context.ParameterIndex}");
string cast = isVoid ? $@"({pointee.Visit(
new CppTypePrinter { PrintTypeQualifiers = false })}) " : string.Empty;
Context.Before.WriteLine($"var {local} = {cast}{Context.Return};");
Context.Return.StringBuilder.Clear();
Context.Return.Write(local);
}
if (new QualifiedType(pointer, quals).IsConstRefToPrimitive())
{
Context.Return.StringBuilder.Insert(0, '&');
}
return(true);
}
if (pointee.TryGetClass(out Class @class) && @class.IsValueType)
{
if (Context.Parameter.Usage == ParameterUsage.Out)
{
var qualifiedIdentifier = (@class.OriginalClass ?? @class).Visit(typePrinter);
Context.Before.WriteLine("var {0} = new {1}.{2}();",
Generator.GeneratedIdentifier(Context.ArgName), qualifiedIdentifier,
Helpers.InternalStruct);
}
else
{
Context.Before.WriteLine("var {0} = {1}.{2};",
Generator.GeneratedIdentifier(Context.ArgName),
Context.Parameter.Name,
Helpers.InstanceIdentifier);
}
Context.Return.Write("new global::System.IntPtr(&{0})",
Generator.GeneratedIdentifier(Context.ArgName));
return(true);
}
return(pointer.QualifiedPointee.Visit(this));
}