public static GenericMenu ExecutableContextMenu(ExecutableNode executable, Node node)
{
GenericMenu menu = new GenericMenu();
if (executable == null)
{
return(menu);
}
menu.AddItem(new GUIContent("Enable"), executable.IsEnabled, delegate() {
executable.IsEnabled = !executable.IsEnabled;
});
menu.AddSeparator("");
menu.AddItem(new GUIContent("Find Script"), false, delegate() {
MonoScript[] monoScriptArray = (MonoScript[])Resources.FindObjectsOfTypeAll(typeof(MonoScript));
Selection.activeObject = monoScriptArray.ToList().Find(x => x.GetClass() == executable.GetType());
});
menu.AddItem(new GUIContent("Edit Script"), false, delegate() {
MonoScript[] monoScriptArray = (MonoScript[])Resources.FindObjectsOfTypeAll(typeof(MonoScript));
Selection.activeObject = monoScriptArray.ToList().Find(x => x.GetClass() == executable.GetType());
AssetDatabase.OpenAsset(Selection.activeObject);
});
menu.AddSeparator("");
bool moveDown = false;
int currentIndex = -1;
if (executable.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
currentIndex = Array.IndexOf(state.Actions, executable);
moveDown = currentIndex + 1 < state.Actions.Length;
}
else
{
currentIndex = Array.IndexOf(FsmEditor.SelectedTransition.Conditions, executable);
moveDown = currentIndex + 1 < FsmEditor.SelectedTransition.Conditions.Length;
}
if (currentIndex - 1 >= 0)
{
menu.AddItem(new GUIContent("Move Up"), false, delegate() {
if (executable.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
state.Actions = ArrayUtility.MoveItem(state.Actions, currentIndex, currentIndex - 1);
}
else
{
FsmEditor.SelectedTransition.Conditions = ArrayUtility.MoveItem(FsmEditor.SelectedTransition.Conditions, currentIndex, currentIndex - 1);
}
NodeInspector.Dirty();
});
}
else
{
menu.AddDisabledItem(new GUIContent("Move Up"));
}
if (moveDown)
{
menu.AddItem(new GUIContent("Move Down"), false, delegate() {
if (executable.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
state.Actions = ArrayUtility.MoveItem(state.Actions, currentIndex, currentIndex + 1);
}
else
{
FsmEditor.SelectedTransition.Conditions = ArrayUtility.MoveItem(FsmEditor.SelectedTransition.Conditions, currentIndex, currentIndex + 1);
}
NodeInspector.Dirty();
});
}
else
{
menu.AddDisabledItem(new GUIContent("Move Down"));
}
menu.AddSeparator("");
menu.AddItem(new GUIContent("Copy"), false, delegate() {
executableCopy = executable;
});
if (executableCopy != null)
{
menu.AddItem(new GUIContent("Paste After"), false, delegate() {
ExecutableNode dest = FsmUtility.Copy(executableCopy);
if (dest.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
state.Actions = ArrayUtility.Insert <StateAction>(state.Actions, (StateAction)dest, currentIndex + 1);
}
else
{
FsmEditor.SelectedTransition.Conditions = ArrayUtility.Insert <Condition>(FsmEditor.SelectedTransition.Conditions, (Condition)dest, currentIndex + 1);
}
FsmEditorUtility.ParentChilds(node);
NodeInspector.Dirty();
});
menu.AddItem(new GUIContent("Paste Before"), false, delegate() {
ExecutableNode dest = FsmUtility.Copy(executableCopy);
if (dest.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
state.Actions = ArrayUtility.Insert <StateAction>(state.Actions, (StateAction)dest, currentIndex);
}
else
{
FsmEditor.SelectedTransition.Conditions = ArrayUtility.Insert <Condition>(FsmEditor.SelectedTransition.Conditions, (Condition)dest, currentIndex);
}
FsmEditorUtility.ParentChilds(node);
NodeInspector.Dirty();
});
menu.AddItem(new GUIContent("Replace"), false, delegate() {
ExecutableNode dest = FsmUtility.Copy(executableCopy);
if (dest.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
FsmEditorUtility.DestroyImmediate(state.Actions[currentIndex]);
state.Actions = ArrayUtility.RemoveAt <StateAction>(state.Actions, currentIndex);
state.Actions = ArrayUtility.Insert <StateAction>(state.Actions, (StateAction)dest, currentIndex);
}
else
{
FsmEditorUtility.DestroyImmediate(FsmEditor.SelectedTransition.Conditions[currentIndex]);
FsmEditor.SelectedTransition.Conditions = ArrayUtility.RemoveAt <Condition>(FsmEditor.SelectedTransition.Conditions, currentIndex);
FsmEditor.SelectedTransition.Conditions = ArrayUtility.Insert <Condition>(FsmEditor.SelectedTransition.Conditions, (Condition)dest, currentIndex);
}
FsmEditorUtility.ParentChilds(node);
NodeInspector.Dirty();
});
}
else
{
menu.AddDisabledItem(new GUIContent("Paste After"));
menu.AddDisabledItem(new GUIContent("Paste Before"));
menu.AddDisabledItem(new GUIContent("Replace"));
}
menu.AddSeparator("");
menu.AddItem(new GUIContent("Remove"), false, delegate() {
if (executable.GetType().IsSubclassOf(typeof(StateAction)))
{
State state = node as State;
state.Actions = ArrayUtility.Remove <StateAction> (state.Actions, (StateAction)executable);
}
else
{
FsmEditor.SelectedTransition.Conditions = ArrayUtility.Remove <Condition>(FsmEditor.SelectedTransition.Conditions, (Condition)executable);
}
FsmEditorUtility.DestroyImmediate(executable);
//NodeInspector.Dirty();
ErrorChecker.CheckForErrors();
});
return(menu);
}
public F64CeilNode(ExecutableNode expr) : base(expr)
{
}
public static bool NodeTitlebar(ExecutableNode executable, Node node)
{
int controlID = EditorGUIUtility.GetControlID(FocusType.Passive);
GUIContent content = new GUIContent(executable.name.Replace("/", "."), executable.GetType().GetTooltip());
Rect position = GUILayoutUtility.GetRect(GUIContent.none, FsmEditorStyles.inspectorTitle);
Rect rect = new Rect(position.x + (float)FsmEditorStyles.inspectorTitle.padding.left, position.y + (float)FsmEditorStyles.inspectorTitle.padding.top, 16f, 16f);
Rect rect1 = new Rect(position.xMax - (float)FsmEditorStyles.inspectorTitle.padding.right - 2f - 16f, rect.y, 16f, 16f);
Rect rect4 = rect1;
rect4.x = rect4.x - 18f;
Rect rect2 = new Rect(position.x + 2f + 2f + 16f * 2, rect.y, 100f, rect.height)
{
xMax = rect4.xMin - 2f
};
Rect rect3 = new Rect(position.x + 16f, rect.y, 16f, 16f);
executable.IsEnabled = GUI.Toggle(rect3, executable.IsEnabled, GUIContent.none);
string url = executable.GetType().GetHelpUrl();
if (ErrorChecker.HasErrors(executable))
{
Rect rect5 = rect4;
rect5.y += 1.0f;
if (!string.IsNullOrEmpty(url))
{
rect5.x = rect5.x - 18f;
rect2.xMax = rect5.x;
}
GUI.Label(rect5, FsmEditorStyles.errorIcon, FsmEditorStyles.inspectorTitleText);
}
if (GUI.Button(rect1, FsmEditorStyles.popupIcon, FsmEditorStyles.inspectorTitleText))
{
ExecutableContextMenu(executable, node).ShowAsContext();
}
if (!string.IsNullOrEmpty(url) && GUI.Button(rect4, FsmEditorStyles.helpIcon, FsmEditorStyles.inspectorTitleText))
{
Application.OpenURL(url);
}
EventType eventType = Event.current.type;
if (eventType != EventType.MouseDown)
{
if (eventType == EventType.Repaint)
{
FsmEditorStyles.inspectorTitle.Draw(position, GUIContent.none, controlID, executable.IsOpen);
FsmEditorStyles.inspectorTitleText.Draw(rect2, content, controlID, executable.IsOpen);
}
}
position.width = 15;
bool flag = DoToggleForward(position, controlID, executable.IsOpen, GUIContent.none, GUIStyle.none);
if (flag != executable.IsOpen)
{
executable.IsOpen = flag;
}
return(flag);
}
protected ExecutableNode GetNode(int nodeID)
{
ExecutableNode node = ExecutableNodeFactory.GetNode(_fleet, _nodes, nodeID);
return(node);
}
private void OnGUI()
{
GUILayout.BeginHorizontal();
DoSearch();
DoSettings();
GUILayout.EndHorizontal();
GUILayout.Space(2.0f);
scroll = GUILayout.BeginScrollView(scroll);
foreach (KeyValuePair <string, List <Type> > kvp in sortedTypes)
{
bool foldout = EditorPrefs.GetBool(kvp.Key, false);
if (string.IsNullOrEmpty(searchString))
{
if (GUILayout.Button(kvp.Key, (foldout?(GUIStyle)"TE toolbarbutton" : EditorStyles.toolbarButton)))
{
foldout = !foldout;
EditorPrefs.SetBool(kvp.Key, foldout);
}
}
else
{
foldout = true;
}
if (foldout)
{
foreach (Type actionType in kvp.Value)
{
if (!string.IsNullOrEmpty(searchString) && !actionType.Name.ToLower().StartsWith(searchString.ToLower()))
{
continue;
}
Color color = GUI.contentColor;
GUI.contentColor = (active != null && actionType == active.GetType() ? EditorStyles.foldout.focused.textColor : color);
if (GUILayout.Button(string.IsNullOrEmpty(searchString)?actionType.Name:actionType.GetCategory() + "." + actionType.Name, "label", GUILayout.ExpandWidth(true)))
{
DestroyActive();
ExecutableNode node = (ExecutableNode)ScriptableObject.CreateInstance(actionType);
node.hideFlags = HideFlags.HideAndDontSave;
node.name = actionType.Name;
active = node;
if ((EditorApplication.timeSinceStartup - clickTime) < doubleClickTime)
{
if (FsmEditor.Active != null)
{
int selectedStatesCount = FsmEditor.SelectionCount;
if (selectedStatesCount == 0)
{
EditorUtility.DisplayDialog("Could not add node " + active.GetType().Name + "!", "Select a state before adding nodes.", "Cancel");
}
else if (selectedStatesCount == 1)
{
Node selectedNode = FsmEditor.SelectedNodes[0];
OnAddNode(selectedNode, active.GetType());
NodeInspector.Dirty();
}
else
{
EditorUtility.DisplayDialog("Could not add node " + active.GetType().Name + "!", "Select only one state. Adding nodes to multiple states is not supported.", "Cancel");
}
}
}
clickTime = EditorApplication.timeSinceStartup;
}
GUI.contentColor = color;
}
}
}
GUILayout.EndScrollView();
if (active != null)
{
OnPreviewGUI(active);
}
}
public I64ShrUNode(ExecutableNode left, ExecutableNode right) : base(left, right)
{
}
public F32MulNode(ExecutableNode left, ExecutableNode right) : base(left, right)
{
}
public I64ClzNode(ExecutableNode expr) : base(expr)
{
}
private void AddBlock(List <Instruction> instructions, ExecutableNode node, HashSet <Node> visitedNodes)
{
//var block = new InstructionBlock()
//{
// Instructions = instructions,
// MergeLabel = mergePoint,
// AlreadyAdded = new HashSet<Node>()
//};
while (node != null)
{
switch (node.OpCode)
{
case Op.OpBranch:
AddInstructionToBlock(instructions, node, visitedNodes);
var branch = ((Branch)node);
if (visitedNodes.Contains(branch.TargetLabel))
{
return;
}
node = branch.TargetLabel;
break;
case Op.OpBranchConditional:
var branchConditional = (BranchConditional)node;
AddInstructionToBlock(instructions, node, visitedNodes);
if (!visitedNodes.Contains(branchConditional.TrueLabel))
{
AddBlock(instructions, branchConditional.TrueLabel, visitedNodes);
}
if (!visitedNodes.Contains(branchConditional.FalseLabel))
{
AddBlock(instructions, branchConditional.FalseLabel, visitedNodes);
}
return;
case Op.OpLabel:
visitedNodes.Add(node);
AddInstructionToBlock(instructions, node, visitedNodes);
node = node.GetNext();
break;
case Op.OpLoopMerge:
var loopMerge = (LoopMerge)node;
AddInstructionToBlock(instructions, loopMerge, visitedNodes);
visitedNodes.Add(loopMerge.GetNext());
visitedNodes.Add(loopMerge.ContinueTarget);
visitedNodes.Add(loopMerge.MergeBlock);
//Add body
AddBlock(instructions, loopMerge.GetNext(), visitedNodes);
AddBlock(instructions, (Label)loopMerge.ContinueTarget, visitedNodes);
node = loopMerge.MergeBlock;
break;
case Op.OpSwitch:
var switchNode = (Switch)node;
AddInstructionToBlock(instructions, node, visitedNodes);
foreach (var target in switchNode.Target)
{
if (!visitedNodes.Contains(target.Node))
{
AddBlock(instructions, (ExecutableNode)target.Node, visitedNodes);
}
}
if (!visitedNodes.Contains(switchNode.Default))
{
AddBlock(instructions, (ExecutableNode)switchNode.Default, visitedNodes);
}
return;
case Op.OpSelectionMerge:
var selectionMerge = (SelectionMerge)node;
visitedNodes.Add(selectionMerge.MergeBlock);
EnsureInputs(instructions, node.GetNext(), visitedNodes);
AddInstructionToBlock(instructions, node, visitedNodes);
AddBlock(instructions, node.GetNext(), visitedNodes);
node = selectionMerge.MergeBlock;
break;
case Op.OpFunctionCall:
visitedNodes.Add(node);
AddInstructionToBlock(instructions, node, visitedNodes);
node = node.GetNext();
break;
default:
AddInstructionToBlock(instructions, node, visitedNodes);
node = node.GetNext();
break;
}
}
}
public F64AbsNode(ExecutableNode expr) : base(expr)
{
}
public F64CopySignNode(ExecutableNode left, ExecutableNode right) : base(left, right)
{
}
public I32PopCntNode(ExecutableNode expr) : base(expr)
{
}
public F64FloorNode(ExecutableNode expr) : base(expr)
{
}
public F32TruncNode(ExecutableNode expr) : base(expr)
{
}
public F64SubNode(ExecutableNode left, ExecutableNode right) : base(left, right)
{
}
private void ResetActionList()
{
this.actions = this.state.Actions;
this.actionList = new ReorderableList(this.actions, "Action", true, true)
{
drawElementCallback = new ReorderableList.ElementCallbackDelegate(this.OnActionElement),
onReorderCallback = new ReorderableList.ReorderCallbackDelegate(this.OnReorderList),
onAddCallback = new ReorderableList.AddCallbackDelegate(delegate(){
FsmGUIUtility.SubclassMenu <StateAction> (CreateAction);
}),
onContextClick = new ReorderableList.ContextCallbackDelegate(delegate(int index){
FsmGUIUtility.ExecutableContextMenu(actions[index], state).ShowAsContext();
}),
onHeaderClick = new ReorderableList.OnHeaderClick(delegate(){
GenericMenu menu = new GenericMenu();
if (actions.Length > 0)
{
menu.AddItem(new GUIContent("Copy"), false, delegate {
copy = new List <StateAction>(actions);
copyState = state;
});
}
else
{
menu.AddDisabledItem(new GUIContent("Copy"));
}
if (copy == null)
{
copy = new List <StateAction>();
}
copy.RemoveAll(x => x == null);
if (copy.Count > 0)
{
menu.AddItem(new GUIContent("Paste After"), false, delegate() {
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Add <StateAction>(state.Actions, (StateAction)dest);
FsmEditorUtility.ParentChilds(state);
NodeInspector.Dirty();
}
});
menu.AddItem(new GUIContent("Paste Before"), false, delegate() {
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Insert <StateAction>(state.Actions, (StateAction)dest, 0);
FsmEditorUtility.ParentChilds(state);
NodeInspector.Dirty();
}
});
if (copyState != state)
{
menu.AddItem(new GUIContent("Replace"), false, delegate() {
for (int i = 0; i < state.Actions.Length; i++)
{
FsmEditorUtility.DestroyImmediate(state.Actions[i]);
}
state.Actions = new StateAction[0];
ResetActionList();
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Add <StateAction>(state.Actions, (StateAction)dest);
FsmEditorUtility.ParentChilds(state);
NodeInspector.Dirty();
}
});
}
else
{
menu.AddDisabledItem(new GUIContent("Replace"));
}
}
else
{
menu.AddDisabledItem(new GUIContent("Paste After"));
menu.AddDisabledItem(new GUIContent("Paste Before"));
menu.AddDisabledItem(new GUIContent("Replace"));
}
menu.ShowAsContext();
}),
};
this.host.Repaint();
if (FsmEditor.instance != null)
{
FsmEditor.instance.Repaint();
}
}
private void ResetActionList()
{
SerializedObject obj = new SerializedObject(state);
SerializedProperty elements = obj.FindProperty("actions");
actionList = new ReorderableObjectList(obj, elements);
actionList.drawHeaderCallback = delegate(Rect rect) {
EditorGUI.LabelField(rect, "Actions");
};
actionList.onAddCallback = delegate(ReorderableObjectList list) {
FsmGUIUtility.SubclassMenu <StateAction> (delegate(Type type){
StateAction action = (StateAction)ScriptableObject.CreateInstance(type);
action.name = type.GetCategory() + "." + type.Name;
action.hideFlags = HideFlags.HideInHierarchy;
state.Actions = ArrayUtility.Add <StateAction> (state.Actions, action);
if (EditorUtility.IsPersistent(state))
{
AssetDatabase.AddObjectToAsset(action, state);
AssetDatabase.SaveAssets();
}
list.index = list.count;
EditorUtility.SetDirty(state);
});
};
actionList.drawElementCallback = delegate(int index, bool selected) {
StateAction action = state.Actions [index];
bool enabled = action.IsEnabled;
if (selected)
{
GUIStyle selectBackground = new GUIStyle("MeTransitionSelectHead")
{
stretchHeight = false,
};
selectBackground.overflow = new RectOffset(-1, -2, -2, 2);
GUILayout.BeginVertical(selectBackground);
}
action.IsOpen = GUIDrawer.ObjectTitlebar(action, action.IsOpen, ref enabled, FsmGUIUtility.ExecutableContextMenu(action, state));
if (selected)
{
GUILayout.EndVertical();
}
action.IsEnabled = enabled;
if (action.IsOpen)
{
GUIDrawer.OnGUI(action);
}
};
actionList.onRemoveCallback = delegate(ReorderableObjectList list) {
StateAction action = state.Actions[list.index];
state.Actions = ArrayUtility.Remove <StateAction> (state.Actions, action);
FsmEditorUtility.DestroyImmediate(action);
list.index = list.index - 1;
ErrorChecker.CheckForErrors();
EditorUtility.SetDirty(state);
};
actionList.onContextClick = delegate(int index) {
FsmGUIUtility.ExecutableContextMenu(state.Actions [index], state).ShowAsContext();
};
actionList.onHeaderContextClick = delegate() {
GenericMenu menu = new GenericMenu();
if (state.Actions.Length > 0)
{
menu.AddItem(new GUIContent("Copy"), false, delegate {
copy = new List <StateAction>(state.Actions);
copyState = state;
});
}
else
{
menu.AddDisabledItem(new GUIContent("Copy"));
}
if (copy == null)
{
copy = new List <StateAction>();
}
copy.RemoveAll(x => x == null);
if (copy.Count > 0)
{
menu.AddItem(new GUIContent("Paste After"), false, delegate() {
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Add <StateAction>(state.Actions, (StateAction)dest);
FsmEditorUtility.ParentChilds(state);
EditorUtility.SetDirty(state);
// NodeInspector.Dirty();
ErrorChecker.CheckForErrors();
}
});
menu.AddItem(new GUIContent("Paste Before"), false, delegate() {
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Insert <StateAction>(state.Actions, (StateAction)dest, 0);
FsmEditorUtility.ParentChilds(state);
EditorUtility.SetDirty(state);
// NodeInspector.Dirty();
ErrorChecker.CheckForErrors();
}
});
if (copyState != state)
{
menu.AddItem(new GUIContent("Replace"), false, delegate() {
for (int i = 0; i < state.Actions.Length; i++)
{
FsmEditorUtility.DestroyImmediate(state.Actions[i]);
}
state.Actions = new StateAction[0];
ResetActionList();
for (int i = 0; i < copy.Count; i++)
{
ExecutableNode dest = FsmUtility.Copy(copy[i]);
state.Actions = ArrayUtility.Add <StateAction>(state.Actions, (StateAction)dest);
FsmEditorUtility.ParentChilds(state);
EditorUtility.SetDirty(state);
// NodeInspector.Dirty();
ErrorChecker.CheckForErrors();
}
});
}
else
{
menu.AddDisabledItem(new GUIContent("Replace"));
}
}
else
{
menu.AddDisabledItem(new GUIContent("Paste After"));
menu.AddDisabledItem(new GUIContent("Paste Before"));
menu.AddDisabledItem(new GUIContent("Replace"));
}
menu.ShowAsContext();
};
this.host.Repaint();
if (FsmEditor.instance != null)
{
FsmEditor.instance.Repaint();
}
}
public F32NearestNode(ExecutableNode expr) : base(expr)
{
}
public I32LtsNode(ExecutableNode left, ExecutableNode right) : base(left, right)
{
}
public static void CheckForErrors(UnityEngine.Object targetObject)
{
if (targetObject == null)
{
return;
}
if (targetObject.GetType() == typeof(StateMachine))
{
checkingStateMachine = targetObject as StateMachine;
}
else if (targetObject.GetType() == typeof(State))
{
checkingState = targetObject as State;
}
else if (targetObject.GetType().IsSubclassOf(typeof(ExecutableNode)))
{
checkingExecutableNode = targetObject as ExecutableNode;
}
string obsoleteMessage = targetObject.GetObsoleteMessage();
if (!string.IsNullOrEmpty(obsoleteMessage))
{
FsmError error = new FsmError(FsmError.ErrorType.Obsolete, checkingStateMachine, checkingState, checkingExecutableNode, null, null);
if (!ContainsError(error))
{
errorList.Add(error);
}
}
FieldInfo[] fields = targetObject.GetType().GetAllFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
for (int i = 0; i < fields.Length; i++)
{
FieldInfo field = fields[i];
if (field.HasAttribute(typeof(ReferenceAttribute)) || !field.IsSerialized())
{
continue;
}
object value = field.GetValue(targetObject);
if (field.FieldType.IsSubclassOf(typeof(FsmVariable)))
{
if (!field.HasAttribute(typeof(NotRequiredAttribute)) && (value == null || CheckForVariableError(value as FsmVariable, field)))
{
FsmError error = new FsmError(FsmError.ErrorType.RequiredField, checkingStateMachine, checkingState, checkingExecutableNode, value as FsmVariable, field);
if (!ContainsError(error))
{
errorList.Add(error);
}
}
}
else if (field.FieldType.IsSubclassOf(typeof(UnityEngine.Object)))
{
CheckForErrors(value as UnityEngine.Object);
}
else if (field.FieldType.IsArray)
{
var array = value as Array;
Type elementType = field.FieldType.GetElementType();
if (elementType.IsSubclassOf(typeof(UnityEngine.Object)))
{
foreach (UnityEngine.Object element in array)
{
CheckForErrors(element);
}
}
}
}
checkForErrors = false;
}
public T Then <T>(T node) where T : ExecutableNode
{
Next = node;
return(node);
}
public F64SqrtNode(ExecutableNode expr) : base(expr)
{
}