public OperatorNode AddOperatorNode(TensorOp op)
{
var parent = TreeNodeStack.Count > 1 ? InternalNodeAsOperatorNode : ExpressionTree;
var on = ExpressionTree.CreateOperatorNode(parent as OperatorNode, op);
ExpressionTree.AddNode(on);
TreeNodeStack.Push(on);
return(on);
}
public ValueNode AddValueNode(object value)
{
if (value is Tensor && TensorIndicesQueue.Count > 0)
{
Tensor t = value as Tensor;
throw new ExpressionTreeException(ExpressionTree,
$"Attempting to add new value node for Tensor {t.Name} but the tensor indices queue still has "
+ $"{TensorIndicesQueue.Count} elements and last element: {TensorIndicesQueue.Peek().Name}");
}
var parent = InternalNodeAsOperatorNode;
var vn = ExpressionTree.CreateValueNode(parent as OperatorNode, value);
ExpressionTree.AddNode(vn);
TreeNodeStack.Push(vn);
return(vn);
}
public ITreeNode Parse(Grammer grammer, IInput input, IGrammerRuleHandler ruleHandler)
{
States states = States.BuildStates(grammer);
input.Parse();
Stack stack = new Stack();
TreeNodeStack treeNodeStack = new TreeNodeStack();
ruleHandler.TreeNodeStack = treeNodeStack;
IAction action = states.GetAction(stack.Top(), input.Get());
while(!action.GetType().Equals(typeof(Accept))){
action.Do(input,stack,ruleHandler);
action = states.GetAction(stack.Top(),input.Get());
}
return treeNodeStack.Pop();
}
