private ForEachStatement TraverseForeachStatement(ForEachStatementSyntax fess, ref int returnCnt, bool nested = false)
{
ForEachStatement foreachStm = new ForEachStatement();
foreachStm.IsNested = nested;
foreachStm.ConditionCount = 1;
bool skipId = false;
int skipIds = 0;
foreach (SyntaxNode sn in fess.ChildNodes())
{
if (sn is BinaryExpressionSyntax)
{
foreachStm.ConditionCount++;
}
else if (sn is VariableDeclaratorSyntax)
{
foreachStm.AccessedVars.Add(TraverseVariableSyntax(sn as VariableDeclaratorSyntax, null, null));
skipId = true;
}
else if (sn is InvocationExpressionSyntax)
{
InvokedMethod invokedMethod = TraverseInvokedMethod(sn as InvocationExpressionSyntax);
foreachStm.InvokedMethods.Add(invokedMethod);
skipId = true;
skipIds = invokedMethod.Parameters.Count;
}
else if (sn is IdentifierNameSyntax)
{
if (!skipId)
{
Variables variable = new Variables();
variable.IsReferenced = true;
variable.Name = (sn as IdentifierNameSyntax).Identifier.ValueText;
foreachStm.AccessedVars.Add(variable);
}
else if (skipIds == 0)
{
skipId = false;
}
else
{
skipIds--;
}
}
}
ForBlockSyntax fbs = fess.Parent as ForBlockSyntax;
foreach (StatementSyntax ss in fbs.Statements)
{
if (ss is AssignmentStatementSyntax)
{
//TODO: need to look at more than just then name!
Method tempMethod = TraverseAccessVars(ss as AssignmentStatementSyntax);
foreachStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
foreachStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is LocalDeclarationStatementSyntax)
{
Method tempMethod = TraverseVarDecls(ss as LocalDeclarationStatementSyntax);
foreachStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
foreachStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
}
else if (ss is SingleLineIfStatementSyntax)
{
Decisions decision = TraverseIfStatement(ss as SingleLineIfStatementSyntax, ref returnCnt, true);
foreachStm.Nested.AddRange(decision.IfStatements);
foreachStm.Nested.AddRange(decision.ElseStatements);
}
else if (ss is MultiLineIfBlockSyntax)
{
Decisions decisions = TraverseMultiIfStatement(ss as MultiLineIfBlockSyntax, ref returnCnt, true);
foreachStm.Nested.AddRange(decisions.IfStatements);
foreachStm.Nested.AddRange(decisions.ElseStatements);
}
else if (ss is ForBlockSyntax)
{
Decisions tempDecision = TraverseForStatement(ss as ForBlockSyntax, ref returnCnt, true);
foreachStm.Nested.AddRange(tempDecision.IfStatements);
foreachStm.Nested.AddRange(tempDecision.ElseStatements);
foreachStm.Nested.AddRange(tempDecision.ForEachStatements);
foreachStm.Nested.AddRange(tempDecision.ForStatements);
foreachStm.Nested.AddRange(tempDecision.WhileLoops);
foreachStm.Nested.AddRange(tempDecision.DoWhileLoops);
foreachStm.Nested.AddRange(tempDecision.Catches);
foreachStm.Nested.AddRange(tempDecision.SwitchStatements);
}
else if (ss is ElseStatementSyntax)
{
foreachStm.Nested.Add(TravsereElseStatement(ss as ElseStatementSyntax, ref returnCnt, true));
}
else if (ss is SelectBlockSyntax)
{
foreachStm.Nested.Add(TraverseSwitchStatement(ss as SelectBlockSyntax, ref returnCnt, true));
}
else if (ss is DoLoopBlockSyntax)
{
foreachStm.Nested.Add(TraverseDoWhileLoop(ss as DoLoopBlockSyntax, ref returnCnt, true));
}
else if (ss is WhileBlockSyntax)
{
foreachStm.Nested.Add(TraverseWhileLoop(ss as WhileBlockSyntax, ref returnCnt, true));
}
else if (ss is CallStatementSyntax)
{
foreachStm.InvokedMethods.Add(TraverseInvokedMethod(ss as CallStatementSyntax));
}
else if (ss is ReturnStatementSyntax)
{
Method tempMethod = TraverseReturnStatement(ss as ReturnStatementSyntax);
foreachStm.InvokedMethods.AddRange(tempMethod.InvokedMethods);
foreachStm.AccessedVars.AddRange(tempMethod.AccessedVariables);
returnCnt++;
}
}
return foreachStm;
}
