Пример #1
0
 public void TestVariableClass()
 {
     string code = "a;";
     CodeBlockNode commentNode;
     ProtoCore.AST.Node resultNode;
     resultNode = GraphToDSCompiler.GraphUtilities.Parse(code, out commentNode);
     IdentifierNode iNode = (resultNode as CodeBlockNode).Body[0] as IdentifierNode;
     Variable var1 = new Variable(iNode);
     Assert.AreEqual("a", var1.Name);
     Assert.AreEqual(1, var1.Row);
     Assert.AreEqual(1, var1.StartColumn);
     Assert.AreEqual(2, var1.EndColumn);
     iNode = null;
     Assert.Catch<ArgumentNullException>(delegate { Variable var2 = new Variable(iNode); });
 }
Пример #2
0
 public static void GetReferencedVariables(Node astNode, List<Variable> refVariableList)
 {
     //DFS Search to find all identifier nodes
     if (astNode == null)
         return;
     if (astNode is FunctionCallNode)
     {
         var currentNode = astNode as FunctionCallNode;
         foreach (AssociativeNode node in currentNode.FormalArguments)
             GetReferencedVariables(node, refVariableList);
     }
     else if (astNode is IdentifierNode)
     {
         var resultVariable = new Variable(astNode as IdentifierNode);
         refVariableList.Add(resultVariable);
         GetReferencedVariables((astNode as IdentifierNode).ArrayDimensions, refVariableList);
     }
     else if (astNode is ArrayNode)
     {
         var currentNode = astNode as ArrayNode;
         GetReferencedVariables(currentNode.Expr, refVariableList);
         GetReferencedVariables(currentNode.Type, refVariableList);
     }
     else if (astNode is ExprListNode)
     {
         var currentNode = astNode as ExprListNode;
         foreach (AssociativeNode node in currentNode.Exprs)
             GetReferencedVariables(node, refVariableList);
     }
     else if (astNode is FunctionDotCallNode)
     {
         var currentNode = astNode as FunctionDotCallNode;
         GetReferencedVariables(currentNode.FunctionCall, refVariableList);
     }
     else if (astNode is InlineConditionalNode)
     {
         var currentNode = astNode as InlineConditionalNode;
         GetReferencedVariables(currentNode.ConditionExpression, refVariableList);
         GetReferencedVariables(currentNode.TrueExpression, refVariableList);
         GetReferencedVariables(currentNode.FalseExpression, refVariableList);
     }
     else if (astNode is RangeExprNode)
     {
         var currentNode = astNode as RangeExprNode;
         GetReferencedVariables(currentNode.From, refVariableList);
         GetReferencedVariables(currentNode.To, refVariableList);
         GetReferencedVariables(currentNode.Step, refVariableList);
     }
     else if (astNode is BinaryExpressionNode)
     {
         var currentNode = astNode as BinaryExpressionNode;
         GetReferencedVariables(currentNode.RightNode, refVariableList);
     }
     else
     {
         //Its could be something like a literal
         //Or node not completely implemented YET
     }
 }