private SwitchStatement TraverseSwitchStatement(SelectBlockSyntax sbs, ref int returnCnt, bool nested = false)
{
SwitchStatement switchStm = new SwitchStatement();
switchStm.IsNested = nested;
SelectStatementSyntax sss = sbs.SelectStatement;
foreach (SyntaxNode sn in sss.DescendantNodesAndSelf())
{
if (sn is BinaryExpressionSyntax)
{
switchStm.ConditionCount++;
}
else if (sn is IdentifierNameSyntax)
{
Variables variable = new Variables();
variable.IsReferenced = true;
variable.Name = (sn as IdentifierNameSyntax).Identifier.ValueText;
switchStm.AccessedVars.Add(variable);
}
}
foreach (CaseBlockSyntax cbb in sbs.CaseBlocks)
{
CaseStatement aCase = new CaseStatement();
foreach (SyntaxNode sn in cbb.Begin.DescendantNodesAndSelf())
{
if (sn is BinaryExpressionSyntax)
{
switchStm.ConditionCount++;
}
else if (sn is IdentifierNameSyntax)
{
Variables variable = new Variables();
variable.IsReferenced = true;
variable.Name = (sn as IdentifierNameSyntax).Identifier.ValueText;
aCase.AccessedVars.Add(variable);
}
}
foreach (StatementSyntax ss in cbb.Statements)
{
if (ss is AssignmentStatementSyntax)
{
//TODO: need to look at more than just then name!
Method tempMethod = TraverseAccessVars(ss as AssignmentStatementSyntax);
aCase.AccessedVars.AddRange(tempMethod.AccessedVariables);
aCase.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is LocalDeclarationStatementSyntax)
{
Method tempMethod = TraverseVarDecls(ss as LocalDeclarationStatementSyntax);
aCase.AccessedVars.AddRange(tempMethod.AccessedVariables);
aCase.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is SingleLineIfStatementSyntax)
{
Decisions decision = TraverseIfStatement(ss as SingleLineIfStatementSyntax, ref returnCnt, true);
aCase.Nested.AddRange(decision.IfStatements);
aCase.Nested.AddRange(decision.ElseStatements);
}
else if (ss is MultiLineIfBlockSyntax)
{
Decisions decisions = TraverseMultiIfStatement(ss as MultiLineIfBlockSyntax, ref returnCnt, true);
aCase.Nested.AddRange(decisions.IfStatements);
aCase.Nested.AddRange(decisions.ElseStatements);
}
else if (ss is ElseStatementSyntax)
{
aCase.Nested.Add(TravsereElseStatement(ss as ElseStatementSyntax, ref returnCnt, true));
}
else if (ss is ForBlockSyntax)
{
Decisions tempDecision = TraverseForStatement(ss as ForBlockSyntax, ref returnCnt, true);
aCase.Nested.AddRange(tempDecision.IfStatements);
aCase.Nested.AddRange(tempDecision.ElseStatements);
aCase.Nested.AddRange(tempDecision.ForEachStatements);
aCase.Nested.AddRange(tempDecision.ForStatements);
aCase.Nested.AddRange(tempDecision.WhileLoops);
aCase.Nested.AddRange(tempDecision.DoWhileLoops);
aCase.Nested.AddRange(tempDecision.Catches);
aCase.Nested.AddRange(tempDecision.SwitchStatements);
}
else if (ss is SelectBlockSyntax)
{
aCase.Nested.Add(TraverseSwitchStatement(ss as SelectBlockSyntax, ref returnCnt, true));
}
else if (ss is DoLoopBlockSyntax)
{
aCase.Nested.Add(TraverseDoWhileLoop(ss as DoLoopBlockSyntax, ref returnCnt, true));
}
else if (ss is WhileBlockSyntax)
{
aCase.Nested.Add(TraverseWhileLoop(ss as WhileBlockSyntax, ref returnCnt, true));
}
else if (ss is CallStatementSyntax)
{
aCase.InvokedMethods.Add(TraverseInvokedMethod(ss as CallStatementSyntax));
}
else if (ss is ReturnStatementSyntax)
{
Method tempMethod = TraverseReturnStatement(ss as ReturnStatementSyntax);
aCase.InvokedMethods.AddRange(tempMethod.InvokedMethods);
aCase.AccessedVars.AddRange(tempMethod.AccessedVariables);
returnCnt++;
}
}
switchStm.CaseStatements.Add(aCase);
}
return switchStm;
}
private Decisions TraverseSwitchStatements(SwitchStatementSyntax sss, ref int exitPoints, bool nested = false)
{
Decisions retDecision = new Decisions();
SwitchStatement retSwitch = new SwitchStatement();
if (sss.HasLeadingTrivia)
{
SetOuterComments(retSwitch, sss.GetLeadingTrivia().ToFullString());
}
if (sss.HasTrailingTrivia)
{
SetInnerComments(retSwitch, sss.GetTrailingTrivia().ToFullString());
}
ExpressionSyntax es = sss.Expression;
var binaryExprs = from aBinaryExpr in sss.ChildNodes().OfType<BinaryExpressionSyntax>() select aBinaryExpr;
foreach (BinaryExpressionSyntax bes in binaryExprs)
{
Method tempMethod = TraverseBinaryExpression(bes);
retSwitch.AccessedVars.AddRange(tempMethod.AccessedVariables);
retSwitch.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
var catches = from aCatch in sss.ChildNodes().OfType<CatchClauseSyntax>() select aCatch;
foreach (CatchClauseSyntax ccs in catches)
{
Decisions tempCatch = TraverseCatchClauses(ccs, ref exitPoints, true);
retSwitch.Nested.AddRange(tempCatch.Catches);
}
var statements = from aStatement in sss.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);
retSwitch.Nested.AddRange(dwl.DoWhileLoops);
//dwl.Nested.Add(TraverseDoStatements(ss as DoStatementSyntax));
//retSwitch.Nested.Add(dwl);
}
//else if (ss is EmptyStatementSyntax)
//{
//}
else if (ss is ExpressionStatementSyntax)
{
var vars = from aVar in ss.ChildNodes().OfType<BinaryExpressionSyntax>() select aVar;
foreach (BinaryExpressionSyntax bes in vars)
{
Method tempMethod = TraverseBinaryExpression(bes);
retSwitch.AccessedVars.AddRange(tempMethod.AccessedVariables);
retSwitch.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
var invokedMethods = from aInvokedMethod in ss.ChildNodes().OfType<InvocationExpressionSyntax>() select aInvokedMethod;
foreach (InvocationExpressionSyntax ies in invokedMethods)
{
Method tempMethod = TraverseInvocationExpression(ies);
retSwitch.InvokedMethods.AddRange(tempMethod.InvokedMethods);
retSwitch.AccessedVars.AddRange(tempMethod.AccessedVariables);
}
}
//else if (ss is FixedStatementSyntax)
//{
//}
else if (ss is ForEachStatementSyntax)
{
Decisions fes = TraverseForEachStatements(ss as ForEachStatementSyntax, ref exitPoints, true);
retSwitch.Nested.AddRange(fes.ForEachStatements);
//fes.IsNested = true;
//retSwitch.Nested.Add(fes);
}
else if (ss is ForStatementSyntax)
{
Decisions fs = TraverseForStatements(ss as ForStatementSyntax, ref exitPoints, true);
retSwitch.Nested.AddRange(fs.ForStatements);
//fs.IsNested = true;
//retSwitch.Nested.Add(fs);
}
//else if (ss is GotoStatementSyntax)
//{
//}
else if (ss is IfStatementSyntax)
{
Decisions ifstm = TraverseIfStatements(ss as IfStatementSyntax, ref exitPoints, true);
retSwitch.Nested.AddRange(ifstm.IfStatements);
//ifstm.IsNested = true;
//retSwitch.Nested.Add(ifstm);
}
//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);
retSwitch.AccessedVars.AddRange(tempMethod.AccessedVariables);
retSwitch.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);
retSwitch.Nested.AddRange(switchStm.SwitchStatements);
//switchStm.IsNested = true;
//retSwitch.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);
retSwitch.Nested.AddRange(wl.WhileLoops);
//wl.IsNested = true;
//retSwitch.Nested.Add(wl);
}
//else if (ss is YieldStatementSyntax)
//{
//}
}
#endregion
retDecision.SwitchStatements.Add(retSwitch);
return retDecision;
}
