public bool Visit(BinaryExprNode node)
{
if (node.Type != null)
{
return(true);
}
node.Left.Accept(this);
node.Right.Accept(this);
_typeChecker.RequireBinaryAny(ref node.Left, ref node.Right, node.Operation);
switch (node.Operation)
{
case OperatorToken op:
switch (op.Value)
{
case Constants.Operators.Less:
case Constants.Operators.LessOrEqual:
case Constants.Operators.More:
case Constants.Operators.MoreOreEqual:
case Constants.Operators.Equal:
case Constants.Operators.NotEqual:
node.Type = _stack.SymBool;
return(true);
// case Constants.Operators.Divide:
}
break;
}
// left and right nodes should be same type by this point
node.Type = node.Left.Type;
return(true);
}
public PrinterNode Visit(BinaryExprNode node)
{
var pNode = new PrinterNode(node.Operation.StringValue);
pNode.AddChild(node.Left.Accept(this));
pNode.AddChild(node.Right.Accept(this));
return(pNode);
}