/// <summary>
/// Get class, instantiate and call constructor
/// </summary>
/// <param name="n"></param>
public override void VisitInstantiateClass(ASTInstantiateClass n)
{
n.Actuals.Visit(this);
var info = _typeManager.GetBuilderInfo(n.ClassName);
_gen.Emit(OpCodes.Newobj, info.ConstructorBuilder.Builder);
_lastWalkedType = info.Builder;
}
public override void VisitInstantiateClass(ASTInstantiateClass n)
{
ClassDescriptor desc = _scopeMgr.GetType(n.ClassName) as ClassDescriptor;
if (desc != null)
{
var cls = (ClassDescriptor)_scopeMgr.Find(n.ClassName, p => p is ClassDescriptor);
var func = cls.Methods.Where(prop => prop.Name.Equals(n.ClassName, StringComparison.OrdinalIgnoreCase)).SingleOrDefault().Type as TypeFunction;
//Check if the class we're working with has a constructor of the same name
if (func != null)
{
CheckSubTree(n.Actuals);
//check the method signature of the constructor to make sure the correct arguments are passed in
ActualBuilder builder = new ActualBuilder();
n.Actuals.Visit(builder);
if (func.AcceptCall(builder.Actuals))
{
//hooray, the code is valid
MethodDescriptor ctorDescriptor = (MethodDescriptor)_scopeMgr.Find(n.ClassName, p => p is MethodDescriptor, func.Scope);
_lastSeenType = desc.Type;
n.ClassDescriptor = desc;
n.Descriptor = ctorDescriptor;
}
else
{
ReportError(n.Location, "Invalid parameters for constructor '{0}'", n.ClassName);
}
}
else
{
ReportError(n.Location, "No constructor found for class '{0}'.", n.ClassName);
}
}
else
{
ReportError(n.Location, "The name '{0}' is not a class.", n.ClassName);
}
}
