public void Traverse(IAstNode astNode)
{
ProcessNode?.Invoke(astNode);
switch (astNode.AstNodeType)
{
case AstNodeTypes.VarStatement:
Traverse(astNode.AsVarStatement().Expression);
break;
case AstNodeTypes.PrintStatement:
foreach (var printExpr in astNode.AsPrintStatement().PrintExpressions)
{
Traverse(printExpr);
}
break;
case AstNodeTypes.PrintExpression:
Traverse(astNode.AsPrintExpression().Expression);
break;
case AstNodeTypes.UnaryOperator:
Traverse(astNode.AsUnaryOp().Operand);
break;
case AstNodeTypes.BinaryOperator:
Traverse(astNode.AsBinaryOp().LeftOperand);
Traverse(astNode.AsBinaryOp().RightOperand);
break;
case AstNodeTypes.NumberLiteral:
break;
case AstNodeTypes.StringLiteral:
break;
case AstNodeTypes.VarReference:
break;
}
PostProcessNode?.Invoke(astNode.AstNodeType);
}