public override List <string> getCommands()
{
List <string> leftCommands = getLeft().getCommands();
List <string> rightCommands = getRight().getCommands();
EntityNode left = getLeft().getTemp();
EntityNode right = getRight().getTemp();
bool changeable = left.isLast;
List <string> operationCommands = new List <string>();
operationCommands.AddRange(leftCommands);
operationCommands.AddRange(rightCommands);
switch (_operator)
{
case plus:
if (!changeable && right.isLast)
{
EntityNode temp = left;
left = right;
right = temp;
changeable = left.isLast;
}
if (changeable)
{
if (getRight() is ConstantNode)
{
operationCommands.Add(string.Format("scoreboard players Add {0} {1} {2}",
left.selector, left.scbObj, right.selector));
}
else
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} += {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
}
temp = left;
}
else
{
temp = new TempNode();
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
temp.selector, temp.scbObj, left.selector, left.scbObj));
operationCommands.Add(string.Format("scoreboard players operation {0} {1} += {2} {3}",
temp.selector, temp.scbObj, right.selector, right.scbObj));
}
break;
case minus:
if (changeable)
{
if (getRight() is ConstantNode)
{
operationCommands.Add(string.Format("scoreboard players remove {0} {1} {2}",
left.selector, left.scbObj, right.selector));
}
else
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} -= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
}
temp = left;
}
else
{
temp = new TempNode();
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
temp.selector, temp.scbObj, left.selector, left.scbObj));
operationCommands.Add(string.Format("scoreboard players operation {0} {1} -= {2} {3}",
temp.selector, temp.scbObj, right.selector, right.scbObj));
}
break;
case multiply:
if (!changeable && right.isLast)
{
EntityNode temp = left;
left = right;
right = temp;
changeable = left.isLast;
}
if (changeable)
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} *= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
}
else
{
temp = new TempNode();
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
temp.selector, temp.scbObj, left.selector, left.scbObj));
operationCommands.Add(string.Format("scoreboard players operation {0} {1} *= {2} {3}",
temp.selector, temp.scbObj, right.selector, right.scbObj));
}
break;
case divide:
if (changeable)
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} /= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
}
else
{
temp = new TempNode();
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
temp.selector, temp.scbObj, left.selector, left.scbObj));
operationCommands.Add(string.Format("scoreboard players operation {0} {1} /= {2} {3}",
temp.selector, temp.scbObj, right.selector, right.scbObj));
}
break;
case mod:
if (changeable)
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} %= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
}
else
{
temp = new TempNode();
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
temp.selector, temp.scbObj, left.selector, left.scbObj));
operationCommands.Add(string.Format("scoreboard players operation {0} {1} %= {2} {3}",
temp.selector, temp.scbObj, right.selector, right.scbObj));
}
break;
case assign:
if (left.selector != right.selector || left.scbObj != right.scbObj)
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} = {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
}
break;
case plus_assign:
if (getRight() is ConstantNode)
{
operationCommands.Add(string.Format("scoreboard players Add {0} {1} {2}",
left.selector, left.scbObj, right.selector));
}
else
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} += {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
}
temp = left;
break;
case minus_assign:
if (getRight() is ConstantNode)
{
operationCommands.Add(string.Format("scoreboard players remove {0} {1} {2}",
left.selector, left.scbObj, right.selector));
}
else
{
operationCommands.Add(string.Format("scoreboard players operation {0} {1} -= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
}
temp = left;
break;
case multiply_assign:
operationCommands.Add(string.Format("scoreboard players operation {0} {1} *= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
break;
case divide_assign:
operationCommands.Add(string.Format("scoreboard players operation {0} {1} /= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
break;
case mod_assign:
operationCommands.Add(string.Format("scoreboard players operation {0} {1} %= {2} {3}",
left.selector, left.scbObj, right.selector, right.scbObj));
temp = left;
break;
}
return(operationCommands);
}
public Node buildNode()
{
Stack <Node> bracketNode = new Stack <Node>();
Stack <Operator> operatorStack = new Stack <Operator>();
Operator lastOperator = Operator.none;
Node currentNode = null;
string token;
while ((token = getNextToken()) != "")
{
Node newNode;
switch (currentToken)
{
case Token.operate:
Operator _operator = OperatorMethod.parseOperator(token);
if (lastToken == Token.operate || lastToken == Token.none)
{
if (_operator == Operator.minus)
{
newNode = new OperatorNode(Operator.multiply);
if (currentNode == null)
{
currentNode = new ConstantNode("-1");
insertUpper(currentNode, newNode);
}
else
{
currentNode.setRight(new ConstantNode("-1"));
insertLower(currentNode, newNode);
}
}
else
{
throw new Exception("invalid syntax");
}
}
else
{
if (currentNode == null)
{
throw new Exception("invalid syntax");
}
newNode = new OperatorNode(_operator);
if (lastOperator == Operator.none || !OperatorMethod.isLarger
(_operator, lastOperator))
{
insertUpper(currentNode, newNode);
}
else
{
insertLower(currentNode, newNode);
}
}
lastOperator = _operator;
currentNode = newNode;
break;
case Token.constant:
if (lastToken != Token.operate && lastToken != Token.none && lastToken != Token.bracket)
{
throw new Exception("invalid syntax");
}
newNode = new ConstantNode(token);
if (currentNode == null)
{
currentNode = newNode;
}
else
{
currentNode.setRight(newNode);
}
break;
case Token.selector:
if (lastToken != Token.operate && lastToken != Token.none && lastToken != Token.bracket)
{
throw new Exception("invalid syntax");
}
string[] pair = token.Split('.');
newNode = new EntityNode(pair[0], pair[1]);
if (currentNode == null)
{
currentNode = newNode;
}
else
{
currentNode.setRight(newNode);
}
break;
case Token.fakePlayer:
if (lastToken != Token.operate && lastToken != Token.none && lastToken != Token.bracket)
{
throw new Exception("invalid syntax");
}
string[] pair2 = token.Split('.');
newNode = new FakePlayerNode(pair2[0], pair2[1]);
if (currentNode == null)
{
currentNode = newNode;
}
else
{
currentNode.setRight(newNode);
}
break;
case Token.bracket:
if (token == "(")
{
bracketNode.Push(currentNode);
operatorStack.Push(lastOperator);
currentNode = null;
lastOperator = Operator.none;
continue;
}
else
{
if (bracketNode.Count == 0)
{
throw new Exception("imbalance bracket");
}
else
{
Node _node = bracketNode.Pop();
if (currentNode != null)
{
while (currentNode.getParent() != null)
{
currentNode = currentNode.getParent();
}
insertLower(_node, currentNode);
currentNode = _node;
}
lastOperator = operatorStack.Pop();
}
}
break;
}
lastToken = currentToken;
}
Node node = currentNode;
if (node == null)
{
return(null);
}
while (node.getParent() != null)
{
node = node.getParent();
}
if (!node.isComplete())
{
throw new Exception("missing value(fake player/selector/constant)");
}
node.checkLast();
return(node);
}