public bool ParentStar(int statementNumber1, int statementNumber2)
{
if (ParentTable.Where(x => x.ContainerStatementNumber == statementNumber1 && x.ChildsStatementNumber.Contains(statementNumber2)).Any())
{
return(true);
}
ParrentTableCell cell = ParentTable.Where(x => x.ChildsStatementNumber.Contains(statementNumber2)).FirstOrDefault();
if (cell == null)
{
return(false);
}
return(ParentStar(statementNumber1, cell.ContainerStatementNumber));
}
private ParrentTableCell GetParentCell(AstNode node, ref List <ParrentTableCell> parentList)
{
ParrentTableCell cell = parentList.Where(x => x.ContainerStatementNumber == node.StatementNumber).FirstOrDefault();
if (cell == null)
{
cell = new ParrentTableCell()
{
ContainerStatementNumber = node.StatementNumber,
ChildsStatementNumber = new List <int>()
};
parentList.Add(cell);
}
return(cell);
}
//private static void FindCallInStatements(AstNode procedure, ref List<ProcTableCell> resultList)
//{
// //For each statement
// foreach (var node in ExtractStatements(procedure))
// {
// //Find call
// if (node.NodeType == NodeType.Call)
// {
// var parentValue = GetParentProcedureName(node);
// var cell = resultList.FirstOrDefault(c => c.ProcedureName == parentValue);
// if (cell != null)
// {
// cell.CalledProcedures.Add(GetCalledProcedureName(node));
// }
// else
// {
// resultList.Add(new ProcTableCell()
// {
// ProcedureName = parentValue,
// CalledProcedures = new List<string> { GetCalledProcedureName(node) }
// });
// }
// }
// else if (node.NodeType == NodeType.If || node.NodeType == NodeType.While)
// {
// FindCallInStatements(node, ref resultList);
// }
// }
//}
private StatementTableModel FindStatements(AstNode parentNode, ref List <ProcTableCell> resultList, ref List <StatementColumn> modifiesList, ref List <StatementColumn> usesList, ref List <ParrentTableCell> parentList, ref Dictionary <int, int> followsDicionary)
{
List <string> tmpElementsModifies = new List <string>();
List <string> tmpElementsUses = new List <string>();
var statements = parentNode?.Children;
if (!(parentNode.NodeType == NodeType.StatementList))
{
statements = ExtractStatements(parentNode);
}
int previousStatementNumber = 0;
foreach (var node in statements)
{
if (node.NodeType == NodeType.Variable && Regex.IsMatch(node.Value, @"^[a-zA-Z_$][a-zA-Z_$0-9]*$") && !UsedVariables.Contains(node.Value))
{
UsedVariables.Add(node.Value);
}
if (previousStatementNumber == 0)
{
previousStatementNumber = node.StatementNumber;
}
else
{
if (!followsDicionary.ContainsKey(previousStatementNumber))
{
followsDicionary.Add(previousStatementNumber, node.StatementNumber);
}
previousStatementNumber = node.StatementNumber;
}
//Find call
if (node.NodeType == NodeType.Assign)
{
tmpElementsModifies.Add(AddAssignModifiesColumn(node, ref modifiesList));
tmpElementsUses.AddRange(AddUsesAssignData(node, ref usesList).Distinct());
}
else if (node.NodeType == NodeType.If)
{
//Parent
ParrentTableCell cell = GetParentCell(node, ref parentList);
foreach (var childNode in node.Children[1].Children)
{
if (!cell.ChildsStatementNumber.Contains(childNode.StatementNumber))
{
cell.ChildsStatementNumber.Add(childNode.StatementNumber);
}
}
foreach (var childNode in node.Children[2].Children)
{
if (!cell.ChildsStatementNumber.Contains(childNode.StatementNumber))
{
cell.ChildsStatementNumber.Add(childNode.StatementNumber);
}
}
List <string> tmpModifiesArray = new List <string>();
List <string> tmpUsesArray = new List <string>();
StatementTableModel thenResult = FindStatements(node.Children[1], ref resultList, ref modifiesList, ref usesList, ref parentList, ref followsDicionary);
StatementTableModel elseResult = FindStatements(node.Children[2], ref resultList, ref modifiesList, ref usesList, ref parentList, ref followsDicionary);
//Modifies
tmpModifiesArray.AddRange(thenResult.ModifiesElements.Distinct());
tmpModifiesArray.AddRange(elseResult.ModifiesElements.Distinct());
CheckTableRow(node, ref tmpModifiesArray, ref modifiesList);
tmpElementsModifies.AddRange(tmpModifiesArray.Distinct());
//Uses
if (node.Children[0].NodeType == NodeType.Variable && Regex.IsMatch(node.Children[0].Value, @"^[a-zA-Z_$][a-zA-Z_$0-9]*$"))
{
if (!UsedVariables.Contains(node.Children[0].Value))
{
UsedVariables.Add(node.Children[0].Value);
}
tmpUsesArray.Add(node.Children[0].Value);
}
tmpUsesArray.AddRange(thenResult.UsesElements.Distinct());
tmpUsesArray.AddRange(elseResult.UsesElements.Distinct());
CheckTableRow(node, ref tmpUsesArray, ref usesList);
tmpElementsUses.AddRange(tmpUsesArray.Distinct());
}
else if (node.NodeType == NodeType.While)
{
//Parent
ParrentTableCell cell = GetParentCell(node, ref parentList);
foreach (var childNode in node.Children[1].Children)
{
if (!cell.ChildsStatementNumber.Contains(childNode.StatementNumber))
{
cell.ChildsStatementNumber.Add(childNode.StatementNumber);
}
}
List <string> tmpModifiesArray = new List <string>();
List <string> tmpUsesArray = new List <string>();
StatementTableModel result = FindStatements(node.Children[1], ref resultList, ref modifiesList, ref usesList, ref parentList, ref followsDicionary);
//Modifies
tmpModifiesArray.AddRange(result.ModifiesElements.Distinct());
CheckTableRow(node, ref tmpModifiesArray, ref modifiesList);
tmpElementsModifies.AddRange(tmpModifiesArray.Distinct());
//Uses
if (node.Children[0].NodeType == NodeType.Variable && Regex.IsMatch(node.Children[0].Value, @"^[a-zA-Z_$][a-zA-Z_$0-9]*$"))
{
if (!UsedVariables.Contains(node.Children[0].Value))
{
UsedVariables.Add(node.Children[0].Value);
}
tmpUsesArray.Add(node.Children[0].Value);
}
tmpUsesArray.AddRange(result.UsesElements.Distinct());
CheckTableRow(node, ref tmpUsesArray, ref usesList);
tmpElementsUses.AddRange(tmpUsesArray.Distinct());
}
else if (node.NodeType == NodeType.Call)
{
var parentValue = GetParentProcedureName(node);
var cell = resultList.FirstOrDefault(c => c.ProcedureName == parentValue);
string calledProcedureName = GetCalledProcedureName(node);
if (cell != null)
{
if (!cell.CalledProcedures.Contains(calledProcedureName))
{
cell.CalledProcedures.Add(calledProcedureName);
}
}
else
{
resultList.Add(new ProcTableCell()
{
ProcedureName = parentValue,
CalledProcedures = new List <string> {
GetCalledProcedureName(node)
}
});
}
List <string> tmpModifiesArray = new List <string>();
List <string> tmpUsesArray = new List <string>();
AstNode calledProcedureNode = PkbReference.AbstractSyntaxTree.GetAllChildren(PkbReference.AbstractSyntaxTree.AstRoot).Where(x => x.Value == calledProcedureName).FirstOrDefault();
StatementTableModel result = FindStatements(calledProcedureNode, ref resultList, ref modifiesList, ref usesList, ref parentList, ref followsDicionary);
//Modifies
tmpModifiesArray.AddRange(result.ModifiesElements.Distinct());
CheckTableRow(node, ref tmpModifiesArray, ref modifiesList);
tmpElementsModifies.AddRange(tmpModifiesArray.Distinct());
//Uses
tmpUsesArray.AddRange(result.UsesElements.Distinct());
CheckTableRow(node, ref tmpUsesArray, ref usesList);
tmpElementsUses.AddRange(tmpUsesArray.Distinct());
}
}
return(new StatementTableModel()
{
ModifiesElements = tmpElementsModifies.Distinct().ToList(),
UsesElements = tmpElementsUses.Distinct().ToList(),
});
}
