private static void GenerateAssemblyInitializer(Context context, OutputBuffer output, string directory)
{
var assemblyName = Path.GetFileName(directory.TrimEnd(Path.DirectorySeparatorChar));
output.AppendLine($"namespace {assemblyName}");
output.AppendLine("{");
output.IncreaseIndent();
output.AppendLine("public static class WasmWranglerAssemblyInitializer");
output.AppendLine("{");
output.IncreaseIndent();
output.AppendLine("public static void Initialize()");
output.AppendLine("{");
output.IncreaseIndent();
context.Wrappers.Sort();
foreach (var wrapper in context.Wrappers)
{
output.AppendLine($"{wrapper}.Initialize();");
}
output.DecreaseIndent();
output.AppendLine("}");
output.DecreaseIndent();
output.AppendLine("}");
output.DecreaseIndent();
output.AppendLine("}");
output.AppendLine();
}
private static void GenerateGlobal(Context context, OutputBuffer output, ClassDeclarationSyntax @class)
{
output.AppendLine($"public static partial class {@class.Identifier}");
output.AppendLine("{");
output.AppendLine("\tprivate static JSObject? __js;");
output.AppendLine();
output.AppendLine("\tprivate static JSObject _js");
output.AppendLine("\t{");
output.AppendLine("\t\tget");
output.AppendLine("\t\t{");
output.AppendLine("\t\t\tif (__js == null)");
output.AppendLine($"\t\t\t\t__js = (JSObject)Runtime.GetGlobalObject(nameof({@class.Identifier}));");
output.AppendLine();
output.AppendLine("\t\t\treturn __js;");
output.AppendLine("\t\t}");
output.AppendLine("\t}");
output.AppendLine();
output.IncreaseIndent();
foreach (var member in @class.Members)
{
GenerateInterfaceMember(context, output, member, true);
}
output.DecreaseIndent();
output.AppendLine("}");
output.AppendLine();
}
private static void GenerateSyntaxNodes(Context context, OutputBuffer output, IEnumerable <SyntaxNode> nodes)
{
foreach (var node in nodes)
{
switch (node)
{
case ClassDeclarationSyntax classDeclarationSyntax:
GenerateClass(context, output, classDeclarationSyntax);
break;
case NamespaceDeclarationSyntax namespaceDeclarationSyntax:
output.AppendLine();
output.AppendLine($"namespace {namespaceDeclarationSyntax.Name}");
output.AppendLine("{");
output.IncreaseIndent();
context.CurrentNamespace = namespaceDeclarationSyntax.Name.ToString();
GenerateSyntaxNodes(context, output, namespaceDeclarationSyntax.Members);
context.CurrentNamespace = "";
output.DecreaseIndent();
output.AppendLine("}");
break;
//case InterfaceDeclarationSyntax interfaceDeclarationSyntax:
// GenerateInterface(context, output, interfaceDeclarationSyntax);
// break;
case UsingDirectiveSyntax usingDirectiveSyntax:
output.AppendLine(usingDirectiveSyntax.ToString());
break;
default:
throw new InvalidOperationException(CreateErrorMessage(node, $"{node.Kind()} was not expected."));
}
}
}
private static void GenerateWrapper(Context context, OutputBuffer output, ClassDeclarationSyntax @class, List <string> implements)
{
context.Wrappers.Add(context.CurrentNamespace + "." + @class.Identifier.ToString());
output.Append($"public partial class {@class.Identifier}");
if (@class.BaseList != null || implements.Any())
{
output.Append(" : ");
if (@class.BaseList != null)
{
output.Append(string.Join(", ", @class.BaseList.Types.Select(x => x.ToString())));
}
if (implements.Any())
{
// If we already output the BaseList we need to add a ,
if (@class.BaseList != null)
{
output.Append(", ");
}
output.Append(string.Join(", ", implements));
}
}
output.AppendLine();
output.AppendLine("{");
output.Append("\tinternal static ");
if (@class.BaseList != null)
{
output.Append("new ");
}
output.AppendLine($"void Initialize() {{ JSObjectWrapperFactory.RegisterFactory(typeof({@class.Identifier}), x => new {@class.Identifier}(x)); }}");
output.AppendLine();
if (@class.BaseList == null)
{
output.AppendLine("\tprotected readonly JSObject _js;");
output.AppendLine();
output.AppendLine($"\tinternal {@class.Identifier}(object obj)");
output.AppendLine("\t{");
output.AppendLine("\t\tif (!(obj is JSObject))");
output.AppendLine("\t\t\tthrow new WasmWranglerException($\"Expected {nameof(obj)} to be an instance of JSObject.\");");
output.AppendLine();
output.AppendLine("\t\t_js = (JSObject)obj;");
output.AppendLine("\t}");
}
else
{
output.AppendLine($"\tinternal {@class.Identifier}(object obj) : base(obj) {{ }}");
}
output.AppendLine();
output.IncreaseIndent();
foreach (var member in @class.Members)
{
GenerateInterfaceMember(context, output, member, false);
}
output.DecreaseIndent();
output.AppendLine("}");
output.AppendLine();
}