protected void SetupAttributes(BindContext context)
{
var attribData = RoslynSymbol.GetAttributes();
List <Attribute> attributes = new List <Attribute>();
for (int i = 0; i < attribData.Length; ++i)
{
AttributeData attribute = attribData[i];
// Skip marking attributes as referenced types by using the bind context
TypeSymbol type = context.CompileContext.GetTypeSymbol(attribute.AttributeClass, context);
if (!type.IsExtern)
{
continue;
}
object[] attributeArgs = new object[attribute.ConstructorArguments.Length];
for (int j = 0; j < attributeArgs.Length; ++j)
{
object attribValue;
var constructorArg = attribute.ConstructorArguments[j];
if (constructorArg.Type != null &&
constructorArg.Type.TypeKind == TypeKind.Enum)
{
TypeSymbol typeSymbol = context.GetTypeSymbol(constructorArg.Type);
attribValue = Enum.ToObject(typeSymbol.UdonType.SystemType, constructorArg.Value);
}
else if (constructorArg.Value is ITypeSymbol typeSymbol)
{
attribValue = context.GetTypeSymbol(typeSymbol).UdonType.SystemType;
}
else
{
attribValue = attribute.ConstructorArguments[j].Value;
}
attributeArgs[j] = attribValue;
}
try
{
if (type.IsExtern)
{
attributes.Add((Attribute)Activator.CreateInstance(type.UdonType.SystemType, attributeArgs));
}
}
catch (Exception)
{
// ignored
}
}
SetAttributes(attributes.ToImmutableArray());
}
public void BuildUdonBehaviourInheritanceLookup(IEnumerable <INamedTypeSymbol> rootTypes)
{
Dictionary <TypeSymbol, List <TypeSymbol> > inheritedTypeScratch = new Dictionary <TypeSymbol, List <TypeSymbol> >();
TypeSymbol udonSharpBehaviourType = null;
foreach (INamedTypeSymbol typeSymbol in rootTypes)
{
BindContext bindContext = new BindContext(this, typeSymbol, null);
if (udonSharpBehaviourType == null)
{
udonSharpBehaviourType = bindContext.GetTypeSymbol(typeof(UdonSharpBehaviour));
}
TypeSymbol rootTypeSymbol = bindContext.GetTypeSymbol(typeSymbol);
TypeSymbol baseType = rootTypeSymbol.BaseType;
while (baseType != udonSharpBehaviourType)
{
if (!inheritedTypeScratch.TryGetValue(baseType, out List <TypeSymbol> inheritedTypeList))
{
inheritedTypeList = new List <TypeSymbol>();
inheritedTypeScratch.Add(baseType, inheritedTypeList);
}
inheritedTypeList.Add(rootTypeSymbol);
baseType = baseType.BaseType;
}
}
_inheritedTypes = new Dictionary <TypeSymbol, ImmutableArray <TypeSymbol> >();
foreach (var typeLists in inheritedTypeScratch)
{
_inheritedTypes.Add(typeLists.Key, typeLists.Value.ToImmutableArray());
}
}
public override void Bind(BindContext context)
{
if (IsBound)
{
return;
}
if (!RoslynSymbol.IsImplicitlyDeclared)
{
context.CurrentNode = RoslynSymbol.DeclaringSyntaxReferences.First().GetSyntax();
InitializerSyntax = (context.CurrentNode as VariableDeclaratorSyntax)?.Initializer?.Value;
}
if (!IsExtern && IsStatic && !IsConst)
{
throw new NotSupportedException("Static fields are not yet supported on user defined types");
}
CheckHiddenFields(context);
SetupAttributes(context);
// Re-get the type symbol to register it as a dependency in the bind context
TypeSymbol fieldType = context.GetTypeSymbol(RoslynSymbol.Type);
Type fieldSystemType = fieldType.UdonType.SystemType;
if (InitializerSyntax != null &&
(!HasAttribute <CompileInitAttribute>() &&
fieldSystemType != typeof(VRCUrl) &&
fieldSystemType != typeof(VRCUrl[])))
{
BinderSyntaxVisitor bodyVisitor = new BinderSyntaxVisitor(this, context);
InitializerExpression = bodyVisitor.VisitVariableInitializer(InitializerSyntax, fieldType);
}
_resolved = true;
}
public override void Bind(BindContext context)
{
Type = context.GetTypeSymbol(RoslynSymbol.Type);
ContainingSymbol = (MethodSymbol)context.GetSymbol(RoslynSymbol.ContainingSymbol);
}
