public virtual Node getNode(Node child)
{
Node returnNode = null;
if (child is VariableNode)
{
Deque <string> tempScope = new ArrayDeque <string>();
tempScope.push(currentScope.pop());
while (!currentScope.Empty)
{
if (child is VariableNode)
{
SymbolTableNode node = scopeHash[currentScope.peek()];
//JAVA TO C# CONVERTER TODO TASK: Java lambdas satisfy functional interfaces, while .NET lambdas satisfy delegates - change the appropriate interface to a delegate:
Optional <Node> nodeS = node.children.stream().filter(f => f is VariableNode).filter(f => ((VariableNode)f).variableName.Equals(((VariableNode)child).variableName)).findFirst();
returnNode = nodeS.orElse(null);
}
else if (child is UserDefinedTypeNode)
{
SymbolTableNode node = scopeHash[currentScope.peek()];
//JAVA TO C# CONVERTER TODO TASK: Java lambdas satisfy functional interfaces, while .NET lambdas satisfy delegates - change the appropriate interface to a delegate:
Optional <Node> nodeS2 = node.children.stream().filter(f => f is UserDefinedTypeNode).filter(f => ((UserDefinedTypeNode)f).TypeName.Equals(((UserDefinedTypeNode)child).TypeName)).findFirst();
returnNode = nodeS2.orElse(null);
}
if (returnNode != null)
{
break;
}
while (!tempScope.Empty)
{
currentScope.push(tempScope.pop());
}
}
}
if (returnNode == null)
{
throw new IllegalStateException("unable to find variable -" + ((VariableNode)child).variableName + "in scope for reassignment");
}
return(returnNode);
}
public virtual void addLevel(string level)
{
SymbolTableNode node = new SymbolTableNode(this);
node.levelNode = level;
if (scopeHash.ContainsKey(level))
{
visitor.addError(string.format(IDENTIFIERTXT, level));
}
else
{
currentScope.push(level);
scopeHash[level] = node;
}
}
public virtual bool doesChildExistInHash(UserDefinedTypeVariableDeclNode parent, Node child)
{
SymbolTableNode t = scopeHash[parent.UserDefinedVariableTypeName];
if (t != null)
{
foreach (Node childNode in t.children)
{
if (((VariableNode)childNode).variableName.Equals(((VariableNode)child).variableName))
{
return(true);
}
}
}
return(false);
}
private void addChildVariable(VariableNode child)
{
SymbolTableNode node = scopeHash[currentScope.peek()];
int count = 0;
foreach (Node childNode in node.children)
{
if (child.variableName.Equals(((VariableNode)childNode).variableName))
{
count++;
}
}
if (count > 0)
{
visitor.addError(string.format(IDENTIFIERTXT, child.variableName));
return;
}
scopeHash[currentScope.peek()].Children.Add(child);
}