private WhileLoop TraverseWhileLoop(WhileBlockSyntax wbs, ref int returnCnt, bool nested = false)
{
WhileLoop whileLoop = new WhileLoop();
whileLoop.IsNested = nested;
WhileStatementSyntax wss = wbs.WhileStatement;
foreach (SyntaxNode sn in wss.Condition.DescendantNodesAndSelf())
{
if (sn is BinaryExpressionSyntax)
{
whileLoop.ConditionCount++;
}
else if (sn is IdentifierNameSyntax)
{
Variables variable = new Variables();
variable.IsReferenced = true;
variable.Name = (sn as IdentifierNameSyntax).Identifier.ValueText;
whileLoop.AccessedVars.Add(variable);
}
}
foreach (StatementSyntax ss in wbs.Statements)
{
if (ss is AssignmentStatementSyntax)
{
//TODO: need to look at more than just then name!
Method tempMethod = TraverseAccessVars(ss as AssignmentStatementSyntax);
whileLoop.AccessedVars.AddRange(tempMethod.AccessedVariables);
whileLoop.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is LocalDeclarationStatementSyntax)
{
Method tempMethod = TraverseVarDecls(ss as LocalDeclarationStatementSyntax);
whileLoop.AccessedVars.AddRange(tempMethod.AccessedVariables);
whileLoop.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is SingleLineIfStatementSyntax)
{
Decisions decision = TraverseIfStatement(ss as SingleLineIfStatementSyntax, ref returnCnt, true);
whileLoop.Nested.AddRange(decision.IfStatements);
whileLoop.Nested.AddRange(decision.ElseStatements);
}
else if (ss is MultiLineIfBlockSyntax)
{
Decisions decisions = TraverseMultiIfStatement(ss as MultiLineIfBlockSyntax, ref returnCnt, true);
whileLoop.Nested.AddRange(decisions.IfStatements);
whileLoop.Nested.AddRange(decisions.ElseStatements);
}
else if (ss is ElseStatementSyntax)
{
whileLoop.Nested.Add(TravsereElseStatement(ss as ElseStatementSyntax, ref returnCnt, true));
}
else if (ss is ForBlockSyntax)
{
Decisions tempDecision = TraverseForStatement(ss as ForBlockSyntax, ref returnCnt, true);
whileLoop.Nested.AddRange(tempDecision.IfStatements);
whileLoop.Nested.AddRange(tempDecision.ElseStatements);
whileLoop.Nested.AddRange(tempDecision.ForEachStatements);
whileLoop.Nested.AddRange(tempDecision.ForStatements);
whileLoop.Nested.AddRange(tempDecision.WhileLoops);
whileLoop.Nested.AddRange(tempDecision.DoWhileLoops);
whileLoop.Nested.AddRange(tempDecision.Catches);
whileLoop.Nested.AddRange(tempDecision.SwitchStatements);
}
else if (ss is SelectBlockSyntax)
{
whileLoop.Nested.Add(TraverseSwitchStatement(ss as SelectBlockSyntax, ref returnCnt, true));
}
else if (ss is DoLoopBlockSyntax)
{
whileLoop.Nested.Add(TraverseDoWhileLoop(ss as DoLoopBlockSyntax, ref returnCnt, true));
}
else if (ss is WhileBlockSyntax)
{
whileLoop.Nested.Add(TraverseWhileLoop(ss as WhileBlockSyntax, ref returnCnt, true));
}
else if (ss is CallStatementSyntax)
{
whileLoop.InvokedMethods.Add(TraverseInvokedMethod(ss as CallStatementSyntax));
}
else if (ss is ReturnStatementSyntax)
{
Method tempMethod = TraverseReturnStatement(ss as ReturnStatementSyntax);
whileLoop.InvokedMethods.AddRange(tempMethod.InvokedMethods);
whileLoop.AccessedVars.AddRange(tempMethod.AccessedVariables);
returnCnt++;
}
}
return whileLoop;
}
private Decisions TraverseWhileLoops(WhileStatementSyntax wss, ref int exitPoints, bool nested = false)
{
//TODO
//get accessed vars, invoked methods, nested
Decisions retDecision = new Decisions();
WhileLoop whileStm = new WhileLoop();
if (wss.HasLeadingTrivia)
{
SetOuterComments(whileStm, wss.GetLeadingTrivia().ToFullString());
}
if (wss.HasTrailingTrivia)
{
SetInnerComments(whileStm, wss.GetTrailingTrivia().ToFullString());
}
ExpressionSyntax es = wss.Condition;
//var binaryExpressions = from aBinaryExpression in wss.Condition.DescendantNodesAndSelf().OfType<BinaryExpressionSyntax>() select aBinaryExpression;
var binaryExpressions = from abinaryExpression in wss.ChildNodes().OfType<BinaryExpressionSyntax>() select abinaryExpression;
whileStm.ConditionCount = binaryExpressions.Count();
if (wss.Condition is BinaryExpressionSyntax)
{
//this next line doesn't ever fire
//binaryExpressions = from aBinaryExpression in wss.Condition.DescendantNodes().OfType<BinaryExpressionSyntax>() select aBinaryExpression;
foreach (BinaryExpressionSyntax bes in binaryExpressions)
{
Method tempMethod = TraverseBinaryExpression(bes);
whileStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
whileStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
}
var catches = from aCatch in wss.ChildNodes().OfType<CatchClauseSyntax>() select aCatch;
foreach (CatchClauseSyntax ccs in catches)
{
Decisions tempCatch = TraverseCatchClauses(ccs, ref exitPoints, true);
whileStm.Nested.AddRange(tempCatch.Catches);
}
var statements = from aStatement in wss.Statement.ChildNodes().OfType<StatementSyntax>() select aStatement;
List<BaseDecisions> retBd = new List<BaseDecisions>();
List<InvokedMethod> retIm = new List<InvokedMethod>();
#region Nested and Invoked Methods and accessed vars
foreach (StatementSyntax ss in statements)
{
//if (ss is BreakStatementSyntax)
//{
//}
//else if (ss is CheckedStatementSyntax)
//{
//}
//else if (ss is ContinueStatementSyntax)
//{
//}
if (ss is DoStatementSyntax)
{
Decisions dwl = TraverseDoStatements(ss as DoStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(dwl.DoWhileLoops);
//dwl.IsNested = true;
//whileStm.Nested.Add(dwl);
}
//else if (ss is EmptyStatementSyntax)
//{
//}
else if (ss is ExpressionStatementSyntax)
{
Method tempMethod = TraverseExpressionStatementSyntax(ss as ExpressionStatementSyntax);
whileStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
whileStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
//else if (ss is FixedStatementSyntax)
//{
//}
else if (ss is ForEachStatementSyntax)
{
Decisions fes = TraverseForEachStatements(ss as ForEachStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(fes.ForEachStatements);
//fes.IsNested = true;
//whileStm.Nested.Add(fes);
}
else if (ss is ForStatementSyntax)
{
Decisions fs = TraverseForStatements(ss as ForStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(fs.WhileLoops);
//fs.IsNested = true;
//whileStm.Nested.Add(fs);
}
//else if (ss is GotoStatementSyntax)
//{
//}
else if (ss is IfStatementSyntax)
{
Decisions decision = TraverseIfStatements(ss as IfStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(decision.IfStatements);
}
//else if (ss is LabeledStatementSyntax)
//{
// BaseDecisions bd = new BaseDecisions();
// bd.IsNested = true;
// bd.Nested.Add(TraverseLabelStatements(ss as LabeledStatementSyntax));
// retIf.Nested.Add(bd);
//}
else if (ss is LocalDeclarationStatementSyntax)
{
Method tempMethod = TransverseAccessVars(ss as LocalDeclarationStatementSyntax);
whileStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
whileStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
//else if (ss is LockStatementSyntax)
//{
//}
//else if (ss is ReturnStatementSyntax)
//{
//}
else if (ss is SwitchStatementSyntax)
{
Decisions switchStm = TraverseSwitchStatements(ss as SwitchStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(switchStm.SwitchStatements);
//switchStm.IsNested = true;
//whileStm.Nested.Add(switchStm);
}
//else if (ss is ThrowStatementSyntax)
//{
//}
//else if (ss is TryStatementSyntax)
//{
//}
//else if (ss is UnsafeStatementSyntax)
//{
//}
//else if (ss is UsingStatementSyntax)
//{
// //using list?
//}
else if (ss is WhileStatementSyntax)
{
Decisions wl = TraverseWhileLoops(ss as WhileStatementSyntax, ref exitPoints, true);
whileStm.Nested.AddRange(wl.WhileLoops);
//wl.IsNested = true;
//whileStm.Nested.Add(wl);
}
//else if (ss is YieldStatementSyntax)
//{
//}
}
#endregion
retDecision.WhileLoops.Add(whileStm);
return retDecision;
}
