public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (ChildCount != 2)
{
CSLog.E(this, "assigngment operator has invalid # of children...");
return(null);
}
CSObject left = Left.Evaluate(state, curObj);
if (left.CanCast <IList> ())
{
int index = IndexNode.EvaluateIndex(state, curObj);
System.Type type = ReflectionUtil.GetIListElementType(left.Type);
return(CSObject.ArrayVariableObject(this, type, left.Value, index));
}
else if (left.CanCast <IDictionary> ())
{
string key = IndexNode.EvaluateKey(state, curObj);
System.Type type = ReflectionUtil.GetIDictionaryElementType(left.Type);
return(CSObject.DictionaryVariableObject(this, type, left.Value, key));
}
else
{
CSLog.E(this, "you cannot use an index to non IList object");
return(null);
}
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (curObj == null)
{
CSLog.E(this, "curObj is missing");
return(null);
}
int len = _selectors.Length;
object obj = curObj.Value;
for (int i = 0; i < len - 1; ++i)
{
if (obj == null)
{
CSLog.E(this, "object is not assgined");
return(null);
}
obj = ReflectionUtil.Get(obj, _selectors[i]);
}
if (obj == null)
{
CSLog.E(this, "object is not assgined");
return(null);
}
string variableName = _selectors[len - 1];
System.Type type = ReflectionUtil.GetFieldType(obj, variableName);
return(CSObject.InstanceVariableObject(this, type, obj, variableName));
}
public KeyValuePair <object, object> Evaluate(CSState state, CSObject curObj, int index, System.Type keyType, System.Type valueType)
{
KeyValuePair <object, object> element = new KeyValuePair <object, object> (
_keys[index].Evaluate(state, curObj).GetAs(keyType),
_children[index].Evaluate(state, curObj).GetAs(valueType));
return(element);
}
public KeyValuePair <string, object> Evaluate(CSState state, CSObject curObj, int index, object target)
{
KeyValuePair <string, object> element = new KeyValuePair <string, object> (
_variableNames[index],
_children[index].Evaluate(state, curObj).Value);
return(element);
}
public void AddVarible(string variableName, CSObject obj)
{
variableName = SkipAtMark(variableName);
if (_variables.ContainsKey(variableName))
{
CSLog.E("Variable " + variableName + " already exists...");
return;
}
_variables[variableName] = obj;
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (IsIndexed)
{
return(IndexNode.Evaluate(state, curObj));
}
else
{
return(CSObject.ImmediateObject(this, typeof(int), -1));
}
}
public object SetVariable(string variableName, CSObject val)
{
variableName = SkipAtMark(variableName);
if (!_variables.ContainsKey(variableName))
{
CSLog.E("Variable " + variableName + " does not exist...");
return(null);
}
_variables[variableName] = val;
return(val);
}
public object GetVariable(string variableName)
{
variableName = SkipAtMark(variableName);
CSObject val = null;
if (!_variables.TryGetValue(variableName, out val))
{
CSLog.E("Variable: " + variableName + " does not exist...");
}
return(val);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (ChildCount != 2)
{
CSLog.E(this, "assigngment operator has invalid # of children...");
return(null);
}
CSObject left = Left.Evaluate(state, curObj);
CSObject right = Right.Evaluate(state, left);
return(right);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
if (_declaration)
{
CSObject obj = CSObject.LocalVariableObject(this, _type, _variableName, null);
state.AddVariable(_variableName, obj);
return(obj);
}
else
{
return(state.GetVariable(_variableName));
}
}
public object[] EvaluateElements(CSState state, CSObject curObj, System.Type type)
{
int len = ChildCount;
object[] elements = new object[len];
for (int i = 0; i < len; ++i)
{
CSObject obj = _children[i].Evaluate(state, curObj);
elements[i] = obj.GetAs(type);
}
return(elements);
}
public static CSObject StaticVariableObject(CSNode node, System.Type type, System.Type staticType, string name)
{
CSObject obj = new CSObject()
{
_node = node,
_object = null,
_type = type,
_objectType = ObjectType.STATIC,
_name = name,
_staticType = staticType,
_arrayIndex = -1,
};
return(obj);
}
public static CSObject LocalVariableObject(CSNode node, System.Type type, string name, object val)
{
CSObject obj = new CSObject()
{
_node = node,
_object = val,
_type = type,
_objectType = ObjectType.LOCAL,
_name = name,
_staticType = null,
_arrayIndex = -1,
};
return(obj);
}
public static CSObject InstanceVariableObject(CSNode node, System.Type type, object parent, string name)
{
CSObject obj = new CSObject()
{
_node = node,
_object = parent,
_type = type,
_objectType = ObjectType.VARIABLE,
_name = name,
_staticType = null,
_arrayIndex = -1,
};
return(obj);
}
public static CSObject DictionaryVariableObject(CSNode node, System.Type type, object dictionary, string name)
{
CSObject obj = new CSObject()
{
_node = node,
_object = dictionary,
_type = type,
_objectType = ObjectType.DICTIONARY,
_name = name,
_staticType = null,
_arrayIndex = -1,
};
return(obj);
}
public static CSObject ArrayVariableObject(CSNode node, System.Type type, object array, int index)
{
CSObject obj = new CSObject()
{
_node = node,
_object = array,
_type = type,
_objectType = ObjectType.ARRAY,
_name = "array",
_staticType = null,
_arrayIndex = index,
};
return(obj);
}
public static CSObject TempVariableObject(CSNode node, System.Type type, object val)
{
CSObject obj = new CSObject()
{
_node = node,
_object = val,
_type = type,
_objectType = ObjectType.TEMP,
_name = "temp",
_staticType = null,
_arrayIndex = -1,
};
return(obj);
}
public bool TryGetVariable(string variableName, out CSObject obj)
{
CSScope next = Current;
CSObject val;
while (next != null)
{
if (next.TryGetVariable(variableName, out val))
{
obj = val;
return(true);
}
next = next._parent;
}
obj = null;
return(false);
}
public virtual CSObject Evaluate(CSState state, CSObject curObj)
{
if (_children == null)
{
return(null);
}
CSObject lastResult = null;
int len = _children.Length;
for (int i = 0; i < len; ++i)
{
lastResult = _children[i].Evaluate(state, curObj);
}
return(lastResult);
}
public CSObject Assign(CSObject obj)
{
switch (ObjectType)
{
case ObjectType.VARIABLE:
ReflectionUtil.Set(_object, _name, obj.GetAs(_type));
break;
case ObjectType.STATIC:
ReflectionUtil.Set(_staticType, _name, obj.GetAs(_type));
break;
case ObjectType.ARRAY:
IList array = (IList)_object;
array[_arrayIndex] = obj.GetAs(_type);
break;
case ObjectType.DICTIONARY:
IDictionary dictionary = (IDictionary)_object;
dictionary[_name] = obj.GetAs(_type);
break;
case ObjectType.TEMP:
case ObjectType.LOCAL:
if (_type == null)
{
_object = obj.Value;
_type = obj.Type;
}
else
{
_object = obj.GetAs(_type);
}
break;
default:
CSLog.E(_node, "cannot assign to " + _objectType.ToString());
break;
}
return(this);
}
public static CSObject ImmediateObject(CSNode node, System.Type type, object val)
{
if (val == null)
{
CSLog.E(node, "val cannot be null");
return(null);
}
CSObject obj = new CSObject()
{
_node = node,
_object = val,
_type = val.GetType(),
_objectType = ObjectType.IMMEDIATE,
_name = "immedidate",
_staticType = null,
_arrayIndex = -1,
};
return(obj);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
CSObject selectedObj = Selectors.Evaluate(state, curObj);
object[] parameters = null;
if (Parameters.ChildCount > 0)
{
CSNode[] children = Parameters._children;
int clen = children.Length;
parameters = new object[clen];
for (int i = 0; i < clen; ++i)
{
CSObject next = children[i].Evaluate(state, curObj);
parameters[i] = next.Value;
}
}
System.Type[] types = null;
if (_genericParameters != null)
{
int glen = _genericParameters.Length;
types = new System.Type[glen];
for (int i = 0; i < glen; ++i)
{
types[i] = _genericParameters[i]._type;
}
}
System.Type retType;
object retVal = ReflectionUtil.CallMethod(selectedObj.Value, _functionName, types, out retType, parameters);
return(CSObject.TempVariableObject(this, retType, retVal));
}
public override CSNode VisitVarDeclExp(CSScriptParser.VarDeclExpContext context)
{
CSLocalVariableNode variableNode = new CSLocalVariableNode(context.Start.Line, context.Start.Column);
variableNode._declaration = true;
variableNode._variableName = context.NAME().GetText();
CSScriptParser.TypeContext vartypes = context.type();
if (vartypes != null)
{
CSTypeNode typeNode = Visit(vartypes) as CSTypeNode;
if (typeNode == null)
{
CSLog.E(variableNode, "failed to get the type");
}
variableNode._type = typeNode._type;
}
CSObject objForComplier = CSObject.LocalVariableObject(variableNode, variableNode._type, variableNode._variableName, null);
_state.AddVariable(variableNode._variableName, objForComplier);
return(variableNode);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
return(CSObject.ImmediateObject(this, typeof(float), _val));
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
return(CSObject.StaticVariableObject(this, _type, _staticType, _variableName));
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
return(CSObject.TempVariableObject(this, typeof(System.Type), _type));
}
public CSScope AddVariable(string variableName, CSObject obj)
{
Current.AddVarible(variableName, obj);
return(Current);
}
public override CSObject Evaluate(CSState state, CSObject curObj)
{
return(null);
}
public int EvaluateIndex(CSState state, CSObject curObj)
{
return(Evaluate(state, curObj).GetAs <int> ());
}
public string EvaluateKey(CSState state, CSObject curObj)
{
return(Evaluate(state, curObj).GetAs <string> ());
}