public static void BufferToString(ByteCodeGenerator generator, DefinedType sb)
{
var toString = sb.FindMethod(generator, "toString", null);
if (toString == null) throw new InvalidOperationException();
new MemberItem(generator, toString, false).Invoke();
}
public static void AppendStrings(ByteCodeGenerator generator, DefinedType sb, ExpressionNode node)
{
if (node is AdditiveNode)
{
var addNode = node as AdditiveNode;
generator.Kill();
var addType = new AdditiveCompiler(addNode).Compile(generator).Type;
generator.Revive();
if (addType.Name == BuiltinTypes.String.Name)
{
AppendStrings(generator, sb, addNode.LeftChild.Child);
AppendStrings(generator, sb, addNode.RightChild.Child);
return;
}
}
var item = new ExpressionCompiler(node).Compile(generator);
var appendMethod = sb.FindMethod(generator, "append", new List<Type> { item.Type });
if (appendMethod == null) throw new InvalidOperationException();
item.Load();
new MemberItem(generator, appendMethod, false).Invoke();
}
private static Item CompileMethod(ByteCodeGenerator generator, DefinedType parentType, PrimaryNode.TermMethodExpression id)
{
generator.Kill();
var args = id.Arguments.Select(parameter => new TranslationCompiler(parameter).Compile(generator).Type).ToList();
generator.Revive();
var method = parentType.FindMethod(generator, id.Identifier, args);
if (method == null) throw new InvalidOperationException();
foreach (var arg in method.Parameters.Zip(id.Arguments, (dst, src) => new { dst, src }))
{
new TranslationCompiler(arg.src, arg.dst.Type).Compile(generator).Load();
}
var isSuper = false;
if (generator.Method.DeclaringType is Class)
{
isSuper = parentType == ((Class)generator.Method.DeclaringType).Super;
}
var item = method.Modifiers.HasFlag(Modifier.Static)
? (Item)new StaticItem(generator, method)
: new MemberItem(generator, method, method.Name == "<init>" || isSuper);
return item.Invoke();
}
public override Item Box(ByteCodeGenerator generator, Item item, DefinedType destType)
{
throw new NotImplementedException();
}
public override Item Box(ByteCodeGenerator generator, Item item, DefinedType destType)
{
if (TypeCodeHelper.Truncate(item.Type) != ItemTypeCode.Int) throw new InvalidOperationException();
if (destType.Name != BuiltinTypes.Integer.Name) throw new InvalidOperationException();
// do conversion
var valueOf = destType.Methods.Single(x => x.Name == "valueOf" && x.Parameters.Count == 1 && x.Parameters.Single().Type == Int);
item.Load();
return new StaticItem(generator, valueOf).Invoke();
}
public abstract Item Box(ByteCodeGenerator generator, Item item, DefinedType destType);
