public override int VisitProg(RASTElement currentNode)
{
scopeSystem.EnterEnviroment("Global");
base.VisitProg(currentNode);
scopeSystem.LeaveEnviroment();
scopeSystem.WriteToFile(m_outputStream);
return(0);
}
/// <summary>
/// Visits the children of the specified context in the currentNode
/// </summary>
/// <param name="currentNode">The current node.</param>
/// <returns></returns>
public virtual Return VisitContext(RASTElement currentNode, ContextType context)
{
RAbstractIterator <RASTElement> it = m_iteratorFactory.CreateIteratorASTElementDescentantsContext(currentNode);
// Call Accept to all children in the specified context of the current node
for (it.ItBegin(context); !it.ItEnd(); it.ITNext())
{
it.M_item.AcceptVisitor(this);
}
return(default(Return));
}
/// <summary>
/// <c>VisitChildren</c> method is used to visit child nodes of the node given
/// as a parameter. This method provides default functionality for
/// </summary>
/// <param name="currentNode">The current node.</param>
/// <returns></returns>
public virtual Return VisitChildren(RASTElement currentNode)
{
RAbstractIterator <RASTElement> it = m_iteratorFactory.CreateIteratorASTElementDescentantsFlatten(currentNode);
// Call Accept to all children of the current node
for (it.ItBegin(); !it.ItEnd(); it.ITNext())
{
it.M_item.AcceptVisitor(this);
}
return(default(Return));
}
public override int VisitAssignmentOpetators(RASTElement currentNode)
{
RASTComposite current = currentNode as RASTComposite;
// Visit assignment opetator left context
if (current.GetNumberOfContextElements(ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_LEFT) > 0)
{
foreach (RASTElement element in current.GetContextChildren(ContextType.CT_EXPR_ASSIGNMENT_OPETATORS_LEFT))
{
scopeSystem.AddSymbol(element.M_Label, "Local Variable");
}
}
base.VisitAssignmentOpetators(currentNode);
return(0);
}
public override int VisitDefineFunction(RASTElement currentNode)
{
RASTComposite current = currentNode as RASTComposite;
scopeSystem.EnterEnviroment(currentNode.M_Label);
// Visit function's definition params context
if (current.GetNumberOfContextElements(ContextType.CT_EXPR_DEFINE_FUNCTION_PARAMS) > 0)
{
foreach (RASTElement element in current.GetContextChildren(ContextType.CT_EXPR_DEFINE_FUNCTION_PARAMS))
{
scopeSystem.AddSymbol(element.M_Label, "Formal Parameter");
}
}
base.VisitDefineFunction(currentNode);
scopeSystem.LeaveEnviroment();
return(0);
}
public virtual Return VisitWrappedWithPercent(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitMultiplicationOrDivisionBinary(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitProg(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual RAbstractIterator <RASTElement> CreateParenthesisIteratorEvents(RASTElement element,
RASTGenericIteratorEvents events, object info = null)
{
return(CreateIteratorASTElementDescentantsFlattenEvents(element, events, info));
}
public virtual Return VisitBreakStatement(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitCOMPLEX(RASTElement currentNode)
{
return(base.VisitTerminal(currentNode));
}
public virtual Return VisitTildeBinary(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitCallFunction(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitMinusOrPlusBinary(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
/// <summary>
/// Visits the specified node by calling its Accept function. The method
/// can be used to start a new traversal from the specified node
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
public virtual Return Visit(RASTElement node)
{
// Call Accept of the specific node
return(node.AcceptVisitor <Return>(this));
}
public virtual void OnContextLeave(RASTElement node, RASTVisitorEventArgs args)
{
m_OnContextLeave?.Invoke(node, args);
}
public virtual void OnNodeEnter(RASTElement node, RASTVisitorEventArgs args)
{
m_OnNodeEnter?.Invoke(node, args);
}
/// <summary>
/// Visits the terminal. It doen't go any further since this is a leaf node
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
public virtual Return VisitTerminal(RASTElement node)
{
return(default(Return));
}
public virtual Return VisitComparisons(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public override int VisitIDENTIFIER(RASTElement currentNode)
{
scopeSystem.AddSymbol(currentNode.M_Label, "Check Type");
return(base.VisitIDENTIFIER(currentNode));
}
public virtual Return VisitAssignmentOpetators(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitSingleDoubleColonsOperators(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitHelpForMethods(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitDollarAtOperators(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitINTEGER(RASTElement currentNode)
{
return(base.VisitTerminal(currentNode));
}
public virtual Return VisitExponentiationBinary(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitLITERALSPECIFIER(RASTElement currentNode)
{
return(base.VisitTerminal(currentNode));
}
public virtual Return VisitColonOperator(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual Return VisitIndexingByVectors(RASTElement currentNode)
{
return(base.VisitChildren(currentNode));
}
public virtual RAbstractIterator <RASTElement> CreateParenthesisIterator(RASTElement element)
{
return(CreateIteratorASTElementDescentantsFlatten(element));
}