//
// Determines if this is a structure that is part of native interop, so we would
// keep the layout the same as managed code
//
public bool IsStructure(CXXRecordDecl decl)
{
// Quick and dirty: it really should use our manually curated list of known value types,
// but for now, this will do
var classesNotStructs = new[] {"String", "Skeleton", "XMLElement"};
if (classesNotStructs.Contains(decl.Name))
return false;
if (decl.TagKind == TagDeclKind.Struct || !(decl.IsDerivedFrom(ScanBaseTypes.UrhoRefCounted) || decl == ScanBaseTypes.UrhoRefCounted))
return true;
return false;
}
void Bind(CXXRecordDecl baseDecl, CXXRecordDecl decl)
{
var name = decl.Name;
//Console.WriteLine(name);
bool isStruct = IsStructure (decl);
PushType(new TypeDeclaration
{
Name = RemapTypeName (decl.Name),
ClassType = isStruct ? ClassType.Struct : ClassType.Class,
Modifiers = Modifiers.Partial | Modifiers.Public | Modifiers.Unsafe
}, StringUtil.GetTypeComments(decl));
if (baseDecl != null) {
foreach (var baseType in decl.Bases) {
var baseName = baseType.Decl?.Name;
if (baseName == null)
continue;
// WorkItem is a structure, with a RefCount base class, avoid that
if (IsStructure(decl))
continue;
//
// Only a (File, MemoryBuffer, VectorBuffer)
// implement that, and the Serializer class is never
// surfaced as an API entry point, so we should just inline the methods
// from those classes into the generated class
//
if (baseName == "GPUObject" || baseName == "Thread" || baseName == "Octant" ||
baseName == "b2Draw" || baseName == "b2ContactListener" || baseName == "btIDebugDraw" || baseName == "btMotionState")
continue;
if (currentType.BaseTypes.Count > 0)
baseName = "I" + baseName;
currentType.BaseTypes.Add(new SimpleType(RemapTypeName(baseName)));
}
}
// Determines if this is a subclass of RefCounted (but not RefCounted itself)
bool refCountedSubclass = decl.TagKind == TagDeclKind.Class && decl.QualifiedName != "Urho3D::RefCounted" && decl.IsDerivedFrom(ScanBaseTypes.UrhoRefCounted);
// Same for Urho3D::Object
bool objectSubclass = decl.TagKind == TagDeclKind.Class && decl.QualifiedName != "Urho3D::Object" && decl.IsDerivedFrom(ScanBaseTypes.UrhoObjectType);
if (refCountedSubclass) {
var nativeCtor = new ConstructorDeclaration
{
Modifiers = Modifiers.Public,
Body = new BlockStatement(),
Initializer = new ConstructorInitializer()
};
nativeCtor.Parameters.Add(new ParameterDeclaration(new SimpleType("IntPtr"), "handle"));
nativeCtor.Initializer.Arguments.Add(new IdentifierExpression("handle"));
currentType.Members.Add(nativeCtor);
// The construtor with the emtpy chain flag
nativeCtor = new ConstructorDeclaration
{
Modifiers = Modifiers.Protected,
Body = new BlockStatement(),
Initializer = new ConstructorInitializer()
};
nativeCtor.Parameters.Add(new ParameterDeclaration(new SimpleType("UrhoObjectFlag"), "emptyFlag"));
nativeCtor.Initializer.Arguments.Add(new IdentifierExpression("emptyFlag"));
currentType.Members.Add(nativeCtor);
} else if (IsStructure(decl)) {
var serializable = new Attribute()
{
Type = new SimpleType("StructLayout")
};
serializable.Arguments.Add(new TypeReferenceExpression(new MemberType(new SimpleType("LayoutKind"), "Sequential")));
var attrs = new AttributeSection();
attrs.Attributes.Add(serializable);
currentType.Attributes.Add(attrs);
}
}
public override void VisitCXXRecordDecl(CXXRecordDecl decl, VisitKind visitKind)
{
//Console.WriteLine($"{decl.QualifiedName} {visitKind} ");
if (decl.QualifiedName == ("Urho3D::String")) {
//Console.WriteLine($"{decl.QualifiedName} {visitKind} {decl.IsCompleteDefinition}");
}
if (visitKind != VisitKind.Enter || !decl.IsCompleteDefinition || decl.Name == null) {
return;
}
if (visitKind == VisitKind.Leave)
currentType = null;
BaseNodeType baseNodeType;
if (baseNodeTypes.TryGetValue(decl.QualifiedName, out baseNodeType)) {
baseNodeType.Decl = decl;
baseNodeType.Bind();
return;
}
foreach (var bnt in baseNodeTypes.Values) {
if (bnt.Decl != null && decl.IsDerivedFrom(bnt.Decl)) {
bnt.Bind(decl);
return;
}
}
}