protected override Expression DoResolve(ResolveContext ec)
{
bool ok = true;
source = source.Resolve(ec);
if (source == null)
{
ok = false;
source = ErrorExpression.Instance;
}
target = target.ResolveLValue(ec, source);
if (target == null || !ok)
{
return(null);
}
TypeSpec target_type = target.Type;
TypeSpec source_type = source.Type;
eclass = ExprClass.Value;
type = target_type;
if (!(target is IAssignMethod))
{
target.Error_ValueAssignment(ec, source);
return(null);
}
if (target_type != source_type)
{
Expression resolved = ResolveConversions(ec);
if (resolved != this)
{
return(resolved);
}
}
return(this);
}
protected override Expression DoResolve (ResolveContext ec)
{
bool ok = true;
source = source.Resolve (ec);
if (source == null) {
ok = false;
source = EmptyExpression.Null;
}
target = target.ResolveLValue (ec, source);
if (target == null || !ok)
return null;
TypeSpec target_type = target.Type;
TypeSpec source_type = source.Type;
eclass = ExprClass.Value;
type = target_type;
if (!(target is IAssignMethod)) {
target.Error_ValueAssignment (ec, source);
return null;
}
if (target_type != source_type) {
Expression resolved = ResolveConversions (ec);
if (resolved != this)
return resolved;
}
return this;
}
protected override Expression DoResolve(ResolveContext ec)
{
bool ok = true;
// PlayScript: resolve LValue first if source is an initializer to be able to
// infer initializer type correctly.
if (ec.FileType == SourceFileType.PlayScript &&
(source is AsArrayInitializer || source is AsObjectInitializer))
{
target = target.ResolveLValue(ec, source);
if (target == null)
{
ok = false;
source = EmptyExpression.Null;
}
if (source is AsArrayInitializer)
{
source = ((AsArrayInitializer)source).InferredResolveWithArrayType(ec, target.Type);
}
else if (source is AsObjectInitializer)
{
source = ((AsObjectInitializer)source).InferredResolveWithObjectType(ec, target.Type);
}
if (source == null)
{
ok = false;
source = EmptyExpression.Null;
}
}
else
{
source = source.Resolve(ec);
if (source == null)
{
ok = false;
source = EmptyExpression.Null;
}
target = target.ResolveLValue(ec, source);
}
if (target == null || !ok)
{
return(null);
}
TypeSpec target_type = target.Type;
TypeSpec source_type = source.Type;
eclass = ExprClass.Value;
type = target_type;
if (!(target is IAssignMethod))
{
target.Error_ValueAssignment(ec, source);
return(null);
}
if (target_type != source_type)
{
Expression resolved = ResolveConversions(ec);
if (resolved != this)
{
return(resolved);
}
}
return(this);
}
