public override CSNode VisitClass_initializer(CSScriptParser.Class_initializerContext context)
{
CSClassInitializerNode node = new CSClassInitializerNode(context.Start.Line, context.Start.Column);
CSScriptParser.Class_initializer_elementContext[] elements = context.class_initializer_element();
if (elements != null)
{
int len = elements.Length;
node._variableNames = new string[len];
node._children = new CSNode[len];
for (int i = 0; i < len; ++i)
{
CSScriptParser.Class_initializer_elementContext element = elements[i];
node._variableNames[i] = element.NAME().GetText();
node._children[i] = Visit(element.expression());
}
}
return(node);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (ChildCount != 6)
{
CSLog.E(this, "new operator has invalid # of children...");
return(null);
}
if (NewType == null || NewType._type == null)
{
CSLog.E(this, "new operator does not have a proper type...");
return(null);
}
object newInstance = null;
System.Type type = NewType._type;
if (IsArray)
{
System.Type innerType = type.GetElementType();
int count = ArrayIndex.EvaluateIndex(null, null);
if (ArrayInitializer != null)
{
object[] elements = ArrayInitializer.EvaluateElements(state, curObj, innerType);
int len = elements.Length;
int allocCount = (len > count? len : count);
newInstance = System.Activator.CreateInstance(type, allocCount);
System.Array array = newInstance as System.Array;
for (int i = 0; i < len; ++i)
{
array.SetValue(elements[i], i);
}
}
else
{
if (count < 0)
{
throw new System.ArgumentException("array needs an initializer or count");
}
else
{
newInstance = System.Activator.CreateInstance(type, count);
}
}
}
else
{
object[] parameters = null;
if (NewParameters != null && NewParameters.ChildCount > 0)
{
CSNode[] pchildren = NewParameters._children;
int pCount = pchildren.Length;
parameters = new object[pCount];
for (int i = 0; i < pCount; ++i)
{
parameters[i] = pchildren[i].Evaluate(state, curObj).Value;
}
}
if (parameters == null)
{
newInstance = System.Activator.CreateInstance(type);
}
else
{
newInstance = System.Activator.CreateInstance(type, parameters);
}
CSDictionaryInitializerNode dictInitializer = DictionaryInitializer;
if (dictInitializer != null)
{
IDictionary dict = newInstance as IDictionary;
if (dict == null)
{
throw new System.InvalidOperationException("you cannot use a dictionary initializer on non dictionary object");
}
System.Type keyType = typeof(object);
System.Type valueType = typeof(object);
System.Type[] genericTypes = NewType._type.GetGenericArguments();
if (genericTypes != null)
{
if (genericTypes.Length > 2)
{
keyType = genericTypes[0];
valueType = genericTypes[1];
}
}
int len = dictInitializer.Count;
for (int i = 0; i < len; ++i)
{
KeyValuePair <object, object> element = dictInitializer.Evaluate(state, curObj, i, keyType, valueType);
dict.Add(element.Key, element.Value);
}
}
CSClassInitializerNode classInitializer = ClassInitializer;
if (classInitializer != null)
{
int len = classInitializer.Count;
for (int i = 0; i < len; ++i)
{
KeyValuePair <string, object> element = classInitializer.Evaluate(state, curObj, i, newInstance);
ReflectionUtil.Set(newInstance, element.Key, element.Value);
}
}
CSArrayInitializerNode arrayInitializer = ArrayInitializer;
IList list = newInstance as IList;
if (ArrayInitializer != null)
{
if (list == null)
{
CSLog.E("array initializer cannot used for : " + type.ToString());
}
else
{
System.Type elementType = ReflectionUtil.GetIListElementType(NewType._type);
if (elementType == null)
{
CSLog.E("array initializer cannot used for : " + type.ToString());
}
object[] elements = ArrayInitializer.EvaluateElements(state, curObj, elementType);
int len = elements.Length;
for (int i = 0; i < len; ++i)
{
list.Add(elements[i]);
}
}
}
}
CSObject obj = CSObject.TempVariableObject(this, type, newInstance);
return(obj);
}
