public static Method?Create(Context cx, IMethodSymbol?methodDecl)
{
if (methodDecl is null)
{
return(null);
}
var methodKind = methodDecl.MethodKind;
if (methodKind == MethodKind.ExplicitInterfaceImplementation)
{
// Retrieve the original method kind
methodKind = methodDecl.ExplicitInterfaceImplementations.Select(m => m.MethodKind).FirstOrDefault();
}
switch (methodKind)
{
case MethodKind.StaticConstructor:
case MethodKind.Constructor:
return(Constructor.Create(cx, methodDecl));
case MethodKind.ReducedExtension:
if (SymbolEqualityComparer.Default.Equals(methodDecl, methodDecl.ConstructedFrom))
{
return(OrdinaryMethod.Create(cx, methodDecl.ReducedFrom !));
}
return(OrdinaryMethod.Create(cx, methodDecl.ReducedFrom !.Construct(methodDecl.TypeArguments, methodDecl.TypeArgumentNullableAnnotations)));
case MethodKind.Ordinary:
case MethodKind.DelegateInvoke:
return(OrdinaryMethod.Create(cx, methodDecl));
case MethodKind.Destructor:
return(Destructor.Create(cx, methodDecl));
case MethodKind.PropertyGet:
case MethodKind.PropertySet:
return(Accessor.GetPropertySymbol(methodDecl) is null?OrdinaryMethod.Create(cx, methodDecl) : (Method)Accessor.Create(cx, methodDecl));
case MethodKind.EventAdd:
case MethodKind.EventRemove:
return(EventAccessor.Create(cx, methodDecl));
case MethodKind.UserDefinedOperator:
case MethodKind.BuiltinOperator:
return(UserOperator.Create(cx, methodDecl));
case MethodKind.Conversion:
return(Conversion.Create(cx, methodDecl));
case MethodKind.AnonymousFunction:
throw new InternalError(methodDecl, "Attempt to create a lambda");
case MethodKind.LocalFunction:
return(LocalFunction.Create(cx, methodDecl));
default:
throw new InternalError(methodDecl, $"Unhandled method '{methodDecl}' of kind '{methodDecl.MethodKind}'");
}
}
/// <summary>
/// Creates a method of the appropriate subtype.
/// </summary>
/// <param name="cx"></param>
/// <param name="methodDecl"></param>
/// <returns></returns>
public static Method Create(Context cx, IMethodSymbol methodDecl)
{
if (methodDecl == null)
{
return(null);
}
var methodKind = methodDecl.MethodKind;
if (methodKind == MethodKind.ExplicitInterfaceImplementation)
{
// Retrieve the original method kind
methodKind = methodDecl.ExplicitInterfaceImplementations.Select(m => m.MethodKind).FirstOrDefault();
}
switch (methodKind)
{
case MethodKind.StaticConstructor:
case MethodKind.Constructor:
return(Constructor.Create(cx, methodDecl));
case MethodKind.ReducedExtension:
case MethodKind.Ordinary:
case MethodKind.DelegateInvoke:
return(OrdinaryMethod.Create(cx, methodDecl));
case MethodKind.Destructor:
return(Destructor.Create(cx, methodDecl));
case MethodKind.PropertyGet:
case MethodKind.PropertySet:
return(methodDecl.AssociatedSymbol is null?OrdinaryMethod.Create(cx, methodDecl) : (Method)Accessor.Create(cx, methodDecl));
case MethodKind.EventAdd:
case MethodKind.EventRemove:
return(EventAccessor.Create(cx, methodDecl));
case MethodKind.UserDefinedOperator:
case MethodKind.BuiltinOperator:
return(UserOperator.Create(cx, methodDecl));
case MethodKind.Conversion:
return(Conversion.Create(cx, methodDecl));
case MethodKind.AnonymousFunction:
throw new InternalError(methodDecl, "Attempt to create a lambda");
case MethodKind.LocalFunction:
return(LocalFunction.Create(cx, methodDecl));
default:
throw new InternalError(methodDecl, "Unhandled method '{0}' of kind '{1}'", methodDecl, methodDecl.MethodKind);
}
}
static new Destructor OriginalDefinition(Context cx, Destructor original, IMethodSymbol symbol)
{
return(symbol.OriginalDefinition == null || Equals(symbol.OriginalDefinition, symbol) ? original : Create(cx, symbol.OriginalDefinition));
}
private static new Destructor OriginalDefinition(Context cx, Destructor original, IMethodSymbol symbol)
{
return(symbol.OriginalDefinition is null || SymbolEqualityComparer.Default.Equals(symbol.OriginalDefinition, symbol) ? original : Create(cx, symbol.OriginalDefinition));
}