public static int maxCommandLength = 50; //This is the maximum length of commands interpreted with this class. THis prevents locking up Unity
/*!
* Interpret a command
* */
public static MethodicalObject MakeChain(MonoBehaviour behaviour, string command)
{
safetyIndex = 0; //resetting the safety index since we're starting a new interpretation
MethodicalObject chain = Interpret(behaviour, null, command);
PrintChain(chain);
return(chain);
}
//************************** Utility methods **************************//
#region Utility Methods
private static void PrintChain(MethodicalObject chain)
{
string printedLine = "";
foreach (MethodicalObject mo in chain)
{
printedLine = printedLine + "=>" + mo.objectName;
}
//Debug.Log(printedLine);
}
/*!
* Processes a method into a chunk.
* baseObject is the preprocessed chunk. Expects an objectname and objecttype to already be set.
* */
private static MethodicalObject ProcessMethodChunk(object context, MethodicalObject baseObject, string commandString)
{
string argumentsString = GetNextArgumentsString(commandString);
List <string> args = SplitArguments(argumentsString);
foreach (string argument in args)
{
baseObject.arguments.Add(Interpret(context, null, argument));
}
return(baseObject);
}
/*!
* Recursively loop through command creating a data chain.
* */
private static MethodicalObject Interpret(object context, MethodicalObject chain, string command)
{
if (!validate(command))
{
return(new MethodicalErrorObject("", MethodicalErrorObject.ERRORTYPES.UnsupportedUsage));
}
//Doing some safety stuff to make sure I don't lock up Unity in an infinite loop
if (safetyIndex > maxCommandLength)
{
return(null); //TODO Make this return an error to the user.
}
safetyIndex++;
//getting the next chunk
MethodicalObject chunk = GetNextChunk(context, command);
if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.equalityType))
{
//I can safely assume this is the first call of interpret
chunk.leftEquality = Interpret(context, null, chunk.leftEqualityString);
chunk.rightEquality = Interpret(context, null, chunk.rightEqualityString);
return(chunk);
}
else
{
//going to shorten the command so the next chunk starts at the first character
command = TruncateCommand(chunk, command);
command = TrimPeriods(command);
if (chain == null) //starting chain if it isn't initiated, otherwise adding to chain
{
chain = chunk;
}
else
{
chain.AppendToChain(chunk);
}
//if there are any chunks left
if (command != "")
{
return(Interpret(context, chain, command));
}
return(chain);
}
}
/*!
* Takes in the latest chunk and the command string. Prepares the command string to retrieve the next chunk
* */
public static string TruncateCommand(MethodicalObject chunk, string command)
{
//trimming the string!
int trimLength = 0;
if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.arrayType))
{
trimLength = command.IndexOf("]") + 1;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.boolType))
{
trimLength = chunk.value.ToString().Length;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.floatType) || chunk.objectType.Equals(MethodicalObject.ObjectTypes.DoubleType))
{
trimLength = chunk.value.ToString().Length + 1;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.hashMapType))
{
trimLength = command.IndexOf("]") + 1;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.intType))
{
trimLength = chunk.objectName.Length;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.methodType))
{
string filterString = "(?<=\".*)[\\(\\),](?=.*\")";
string fixedString = ReplaceMatch(filterString, command, " ");
int startParen = fixedString.IndexOf("(");
int lastParen = GetClosingParen(startParen, fixedString);
trimLength = lastParen + 1;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.stringType))
{
trimLength = chunk.value.ToString().Length + 2;
}
else if (chunk.objectType.Equals(MethodicalObject.ObjectTypes.variableType))
{
trimLength = chunk.objectName.Length;
}
command = command.Substring(trimLength, command.Length - trimLength);
return(command);
}
public static object execute(MethodicalObject chain)
{
object newValue = null;
if (chain != null && chain.objectType.Equals(MethodicalObject.ObjectTypes.equalityType))
{
newValue = execute(chain.rightEquality);
return(execute(chain.leftEquality, newValue));
}
else
{
MethodicalObject currentLink = chain;
object lastReturn = root;
if (isStatic)
{
if (currentLink.passesByValue)
{
lastReturn = currentLink.value;
}
else
{
lastReturn = GetFromClass(root, staticRoot, lastReturn, currentLink);
currentLink = currentLink.member;
}
}
while (currentLink != null && lastReturn != null)
{
if (currentLink.passesByValue)
{
lastReturn = currentLink.value;
}
else if (ExistsInClass(lastReturn, currentLink.objectName))
{
lastReturn = GetFromClass(root, staticRoot, lastReturn, currentLink);
}
else
{
return(new MethodicalErrorObject(currentLink.objectName, MethodicalErrorObject.ERRORTYPES.DoesNotExist));
}
currentLink = currentLink.member;
}
return(lastReturn);
}
}
/*!
* Calls commands to the selected monobehaviour using invoke
*
* */
private void CallCommand()
{
if (go == null)
{
//display.Insert(0,new MethodicalMessage("No monobehavior selected!",MethodicalMessage.MessageTypes.Error));
//return;
}
if (command.Equals(""))
{
display.Insert(0, new MethodicalMessage("No command entered!", MethodicalMessage.MessageTypes.Error));
return;
}
commandCalled = true;
MethodicalExecutor.isStatic = staticMode;
MethodicalExecutor.root = go;
MethodicalExecutor.staticRoot = staticVariable;
MethodicalObject chain = MethodicalInterpreter.MakeChain(go, command);
object returnValue = MethodicalExecutor.execute(chain);
commands.Insert(0, command);
display.Insert(0, command);
if (chain.GetType().Equals(typeof(MethodicalErrorObject)))
{
display.Insert(0, new MethodicalMessage(chain.ToString(), MethodicalMessage.MessageTypes.Error));
}
else if (returnValue != null && returnValue.GetType().Equals(typeof(MethodicalErrorObject)))
{
display.Insert(0, new MethodicalMessage(returnValue.ToString(), MethodicalMessage.MessageTypes.Error));
}
else if (returnValue != null)
{
display.Insert(0, new MethodicalMessage("- " + returnValue, MethodicalMessage.MessageTypes.Return));
}
command = "";
commandIndex = -1;
cachedCommand = "";
EditorGUI.FocusTextInControl("MethodicalCommandField");
}
private static object execute(MethodicalObject chain, object assignValue)
{
MethodicalObject currentLink = chain;
object lastReturn = root;
while (currentLink != null && lastReturn != null)
{
if (ExistsInClass(lastReturn, currentLink.objectName))
{
lastReturn = SetFromClass(root, staticRoot, lastReturn, currentLink, assignValue);
if (lastReturn == null || !lastReturn.GetType().Equals(typeof(MethodicalErrorObject)))
{
lastReturn = assignValue; // just going to print out the assigned value
}
}
else
{
return(new MethodicalErrorObject(currentLink.objectName, MethodicalErrorObject.ERRORTYPES.DoesNotExist));
}
currentLink = currentLink.member;
}
return(lastReturn);
}
private static MethodicalErrorObject SetFromClass(MonoBehaviour root, string staticRoot, object parentObject, MethodicalObject member, object newValue)
{
//Going to try to get each as a field, a property, or method and see what sticks
FieldInfo field = null;
PropertyInfo property = null;
//MethodInfo method = null;
if (isStatic && parentObject == null) //Then static
{
System.Type type = GetTypeByName(staticRoot);
field = type.GetField(member.objectName);
property = type.GetProperty(member.objectName);
//method = type.GetMethod(member.objectName);
}
else
{
field = MatchField(parentObject.GetType(), member.objectName);
property = MatchProperty(parentObject.GetType(), member.objectName);
//method = MatchMethod(parentObject.GetType(), member.objectName);
}
if (field != null) //Ugly and pointlessly verbose but readable
{
if (member.objectType.Equals(MethodicalObject.ObjectTypes.arrayType)) //If array
//Getting the array
{
object[] array = (object[])field.GetValue(parentObject);
int index = (int)execute(member.arrayDictionaryIndex);
//Checking bounds
if (index < 0 || index >= array.Length)
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.OutOfBounds));
}
//Making sure the types match
if (!array.GetType().ToString().Equals(newValue.GetType().ToString() + "[]"))
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.TypeMismatch));
}
//Getting the array value
array.SetValue(newValue, index);
}
else if (member.objectType.Equals(MethodicalObject.ObjectTypes.hashMapType))
{
object index = (object)execute(member.arrayDictionaryIndex);
if (index.GetType().Equals(typeof(MethodicalErrorObject))) //escaping of index variable doesn't exist
{
return((MethodicalErrorObject)index);
}
/*object value = field.FieldType.GetMethod("get_Item")
* .Invoke(field.GetValue(parentObject), new object[] { index });*/
//Debug.Log("return value: " + value);
Debug.Log("How did I get here?");
//field.SetValue(index, newValue);//TODO figure out if this works?!?!
}
else
{
field.SetValue(root, newValue); //TODO figure out what to do here
}
}
else if (property != null)
{
if (member.objectType.Equals(MethodicalObject.ObjectTypes.arrayType)) //If array
//Getting the array
{
object[] array = (object[])property.GetValue(parentObject, null);
int index = (int)execute(member.arrayDictionaryIndex);
//Checking bounds
if (index < 0 || index >= array.Length)
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.OutOfBounds));
}
//Making sure the types match
if (!array.GetType().ToString().Equals(newValue.GetType().ToString() + "[]"))
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.TypeMismatch));
}
//Getting the array value
array.SetValue(newValue, index);
}
else if (member.objectType.Equals(MethodicalObject.ObjectTypes.hashMapType))
{
object index = (object)execute(member.arrayDictionaryIndex);
if (index.GetType().Equals(typeof(MethodicalErrorObject))) //escaping of index variable doesn't exist
{
return((MethodicalErrorObject)index);
}
property.PropertyType.GetMethod("get_Item")
.Invoke(property.GetValue(parentObject, null), new object[] { index });
//Debug.Log("return value: " + value);
Debug.Log("How did I get here?");
//return value;
}
else
{
//return property.GetValue(parentObject, null);
property.SetValue(parentObject, newValue, null);
}
}
return(null);
}
/*!
* Get the member object from the given class in the given context(root) and evaluates
* */
private static object GetFromClass(MonoBehaviour root, string staticRoot, object parentObject, MethodicalObject member)
{
//Going to try to get each as a field, a property, or method and see what sticks
FieldInfo field = null;
PropertyInfo property = null;
MethodInfo method = null;
if (isStatic && parentObject == null) //Then static
{
System.Type type = GetTypeByName(staticRoot);
field = type.GetField(member.objectName);
property = type.GetProperty(member.objectName);
method = type.GetMethod(member.objectName);
}
else
{
field = MatchField(parentObject.GetType(), member.objectName);
property = MatchProperty(parentObject.GetType(), member.objectName);
method = MatchMethod(parentObject.GetType(), member.objectName);
}
// Doing fields now
if (field != null) //Ugly and pointlessly verbose but readable
// Array Field
{
if (member.objectType.Equals(MethodicalObject.ObjectTypes.arrayType)) //If array
//Getting the array
{
object[] array = (object[])field.GetValue(parentObject);
int index = (int)execute(member.arrayDictionaryIndex);
//Checking bounds
if (index < 0 || index >= array.Length)
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.OutOfBounds));
}
//Getting the array value
return(array.GetValue(index));
//Hashmap Field
}
else if (member.objectType.Equals(MethodicalObject.ObjectTypes.hashMapType))
{
object index = (object)execute(member.arrayDictionaryIndex);
if (index.GetType().Equals(typeof(MethodicalErrorObject))) //escaping of index variable doesn't exist
{
return(index);
}
//Checking the index type. Messy, but it works I guess
if (!field.FieldType.ToString().Contains("[" + index.GetType().ToString()) &&
field.FieldType.ToString().Contains("System.Collections.Generic.Dictionary"))
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.TypeMismatch));
}
object value = field.FieldType.GetMethod("get_Item")
.Invoke(field.GetValue(parentObject), new object[] { index });
//Debug.Log("return value: " + value);
return(value);
//Just a normal field
}
else
{
return(field.GetValue(parentObject));
}
//Getting props
}
else if (property != null)
{
// Getting array members
if (member.objectType.Equals(MethodicalObject.ObjectTypes.arrayType)) //If array
//Getting the array
{
object[] array = (object[])property.GetValue(parentObject, null);
int index = (int)execute(member.arrayDictionaryIndex);
//Checking bounds
if (index < 0 || index >= array.Length)
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.OutOfBounds));
}
//Getting the array value
return(array.GetValue(index));
// Getting hashmap member
}
else if (member.objectType.Equals(MethodicalObject.ObjectTypes.hashMapType))
{
object index = (object)execute(member.arrayDictionaryIndex);
if (index.GetType().Equals(typeof(MethodicalErrorObject))) //escaping of index variable doesn't exist
{
return(index);
}
//Checking the index type. Messy, but it works I guess
if (!field.FieldType.ToString().Contains("[" + index.GetType().ToString()) &&
field.FieldType.ToString().Contains("System.Collections.Generic.Dictionary"))
{
return(new MethodicalErrorObject(member.objectName, MethodicalErrorObject.ERRORTYPES.TypeMismatch));
}
object value = property.PropertyType.GetMethod("get_Item")
.Invoke(property.GetValue(parentObject, null), new object[] { index });
//Debug.Log("return value: " + value);
return(value);
//Just a regular member
}
else
{
return(property.GetValue(parentObject, null));
}
// It's a method!
}
else if (method != null)
{
List <object> parameters = new List <object>();
//Evaluating each argument and turn them into something usable for reflection
foreach (MethodicalObject mo in member.arguments)
{
object param = execute(mo);
parameters.Add(param);
}
if (parameters.Count != method.GetParameters().Length)
{
return(new MethodicalErrorObject(method.Name, MethodicalErrorObject.ERRORTYPES.BadArguments));
}
else //Then both parameter counts should be equal, no need to check
{
for (int i = 0; i < parameters.Count; i++)
{
if (parameters[i] != null && !method.GetParameters()[i].ParameterType.IsAssignableFrom(parameters[i].GetType()))
{
return(new MethodicalErrorObject(method.Name, MethodicalErrorObject.ERRORTYPES.BadArguments));
}
}
}
return(method.Invoke(parentObject, parameters.ToArray()));
//Well no clue what it is then...
}
else
{
return(null);
}
}
/*!
* This method takes an input string, gets the next chunk, and prepares the string
* for retrieval of the next chunk by removing the chunk that was just found
* */
private static MethodicalObject GetNextChunk(object context, string command)
{
//Getting next chunk
MethodicalObject chunk = new MethodicalObject();
string methodReturn = "";
string[] equality = new string[0];
if ((equality = CheckEquality(command)) != null)
{
chunk.objectName = "equality";
chunk.objectType = MethodicalObject.ObjectTypes.equalityType;
chunk.leftEqualityString = equality[0];
chunk.leftEqualityString = chunk.leftEqualityString.Trim();
chunk.rightEqualityString = equality[1];
chunk.rightEqualityString = chunk.rightEqualityString.Trim();
}
else if ((methodReturn = CheckNumber(command)) != "") //is the next chunk a number?
{
chunk.objectName = methodReturn; //I'll never use this, but it makes printlines readable
//float or int?
if (methodReturn.Contains("f") || methodReturn.Contains("F"))
{
chunk.objectType = MethodicalObject.ObjectTypes.floatType;
methodReturn = methodReturn.Replace("f", "");
methodReturn = methodReturn.Replace("F", "");
chunk.value = float.Parse(methodReturn);
}
else if (methodReturn.Contains("d") || methodReturn.Contains("D"))
{
chunk.objectType = MethodicalObject.ObjectTypes.DoubleType;
methodReturn = methodReturn.Replace("d", "");
methodReturn = methodReturn.Replace("D", "");
chunk.value = double.Parse(methodReturn);
}
else
{
chunk.objectType = MethodicalObject.ObjectTypes.intType;
chunk.value = int.Parse(methodReturn);
}
}
else if ((methodReturn = CheckBool(command)) != "") //is the next chunk a boolean?
{
chunk.objectName = methodReturn; //I'll never use this, but it makes printlines readable
chunk.value = bool.Parse(methodReturn);
chunk.objectType = MethodicalObject.ObjectTypes.boolType;
}
else if ((methodReturn = CheckString(command)) != "") //is the next chunk a string?
{
chunk.objectName = methodReturn;
chunk.objectType = MethodicalObject.ObjectTypes.stringType;
methodReturn = methodReturn.Trim('"');
chunk.value = methodReturn;
}
else if ((methodReturn = CheckArray(context, command)) != "") //is the next chunk an array?
{
chunk.objectName = methodReturn;
chunk.objectType = MethodicalObject.ObjectTypes.arrayType;
chunk.arrayDictionaryIndex = Interpret(context, null, GetArrayIndex(command));
//testIndex = new MethodicalObject();
//testIndex.value = 0;
//testIndex.objectName = "0";
//testIndex.objectType = MethodicalObject.ObjectTypes.arrayType;
//chunk.arrayDictionaryIndex = new MethodicalObject ();
}
else if ((methodReturn = CheckHashMap(context, command)) != "") //is the next chunk a hashmap?
{
chunk.objectName = methodReturn;
chunk.objectType = MethodicalObject.ObjectTypes.hashMapType;
chunk.arrayDictionaryIndex = Interpret(context, null, GetHashmapIndex(command));
}
else if ((methodReturn = CheckMethod(command)) != "") //is the next chunk a method?
{
chunk.objectName = methodReturn;
chunk.objectType = MethodicalObject.ObjectTypes.methodType;
ProcessMethodChunk(context, chunk, command); // doing some additional processing
}
else if ((methodReturn = CheckVariable(command)) != "") //is the next chunk a variable?
{
chunk.objectName = methodReturn;
chunk.objectType = MethodicalObject.ObjectTypes.variableType;
}
return(chunk);
}