/// <summary>
/// Visit FuncBindAssignment
/// </summary>
/// <param name="funcBindAssignment">FuncBindAssignment to visit</param>
public void VisitFuncBindAssignment(Node funcBindAssignment)
{
//Convert FuncBind in a FunctionDef node
NodeGraphBuilder graphBuilder = new NodeGraphBuilder();
//Create functionDef node
Node functionDef = (Node)graphBuilder.DefineNode("FunctionDef");
//Add identifier of function
functionDef.Add(funcBindAssignment.ViewAllNodes().ElementAt(0));
//Add formals
functionDef.Add(funcBindAssignment.ViewAllNodes().ElementAt(1));
//Create StatementList to store the single statement in
Node statementList = (Node)graphBuilder.DefineNode("StatementList");
statementList.Add(funcBindAssignment.ViewAllNodes().ElementAt(2));
functionDef.Add(statementList);
//Visit this functionDefinition
VisitFunctionDef(functionDef);
//Add function to SymbolTable
Node identifier = funcBindAssignment.ViewAllNodes().ElementAt(0);
SymbolTable.AddFunctionDefinition(identifier.AtomicValue.ToString(), functionDef);
}
/// <summary>
/// Visit EachStatement
/// </summary>
/// <param name="eachStatement">EachStatement to visit</param>
public void VisitEachStatement(Node eachStatement)
{
CreateChildSymbolTable();
//Store variable in eachstatement
Node identifier = eachStatement.ViewAllNodes().ElementAt(0);
Node expression = eachStatement.ViewAllNodes().ElementAt(1);
SymbolTable.AddVariableDefinition(identifier.AtomicValue.ToString(), expression);
//Place single statement in list to make visiting easier
NodeGraphBuilder graphBuilder = new NodeGraphBuilder();
Node statementList = (Node)graphBuilder.DefineNode("StatementList");
statementList.Add(eachStatement.ViewAllNodes().ElementAt(2));
//Visit statement
VisitSubNodes(statementList);
MoveToParentSymbolTable();
}
/// <summary>
/// Visits an FunctionDef node
/// </summary>
/// <param name="functionDef">FunctionDefinition to visit</param>
public void VisitFunctionDef(Node functionDef)
{
CreateChildSymbolTable();
//Check Formals (always second element of functiondef)
Node Formals = functionDef.ViewAllNodes().ElementAt(1);
NodeGraphBuilder graphBuilder = new NodeGraphBuilder();
foreach (Node formal in Formals.ViewAllNodes())
{
//Store variable, but without expression
Node textExpression = (Node)graphBuilder.DefineNode("TextExpression");
SymbolTable.AddVariableDefinition(formal.AtomicValue.ToString(), textExpression);
}
//Check statements. StatementList is always at second position
Node statementList = functionDef.ViewAllNodes().ElementAt(2);
VisitSubNodes(statementList);
MoveToParentSymbolTable();
}
public void BeforeEach()
{
_builder = new NodeGraphBuilder();
}
