private static void ConstructorCallsCheck(SyntaxNodeAnalysisContext context)
{
var node = context.Node as ConstructorDeclarationSyntax;
if (node != null)
{
var usingStatements = AnalyzerHelpers.FindChildrenOfType <UsingStatementSyntax>(node.Body);
DetectScopeCalls(context, usingStatements);
foreach (var invocation in AnalyzerHelpers.FindChildrenOfType <InvocationExpressionSyntax>(node))
{
if (IsLazyInstantiated(invocation))
{
continue;
}
var memberAccess = AnalyzerHelpers.FindChildrenOfType <MemberAccessExpressionSyntax>(invocation).FirstOrDefault();
if (memberAccess != null)
{
var symbol = context.SemanticModel.GetSymbolInfo(memberAccess);
if (symbol.Symbol != null && symbol.Symbol.Locations.Length > 0)
{
var location = symbol.Symbol.Locations[0];
if (location.SourceTree != null)
{
var root = location.SourceTree.GetRoot();
foreach (var method in AnalyzerHelpers.FindChildrenOfType <MethodDeclarationSyntax>(root))
{
if (method.Identifier.ValueText == symbol.Symbol.Name)
{
usingStatements = AnalyzerHelpers.FindChildrenOfType <UsingStatementSyntax>(method);
DetectScopeCalls(context, usingStatements, memberAccess);
break;
}
}
}
}
}
}
}
}
private static void DetectScopeCalls(SyntaxNodeAnalysisContext context, IEnumerable <UsingStatementSyntax> nodes, SyntaxNode parent = null)
{
foreach (var node in nodes)
{
if (node.Declaration != null && node.Declaration.ToString().Contains("DalScope.Begin"))
{
var scopeVariableName = node.Declaration.Variables[0].Identifier.ValueText;
foreach (var invocation in AnalyzerHelpers.FindChildrenOfType <InvocationExpressionSyntax>(node))
{
var str = invocation.ToString();
if (str.Contains(scopeVariableName) && (str.Contains(".Fetch") || str.Contains(".TryFetch") || str.Contains(".Exists")))
{
var location = parent != null?parent.GetLocation() : node.GetLocation();
var diagnostic = Diagnostic.Create(Rule, location);
context.ReportDiagnostic(diagnostic);
}
}
}
}
}
private static void CommitCheck(SyntaxNodeAnalysisContext context)
{
var node = context.Node as UsingStatementSyntax;
if (node != null)
{
if (node.Declaration != null && node.Declaration.ToString().Contains("DalScope.Begin"))
{
var scopeVariableName = node.Declaration.Variables[0].Identifier.ValueText;
var block = node.Statement as BlockSyntax;
if (block != null)
{
bool isUpdateBlock = false;
bool hasScopeCommit = false;
foreach (var invocation in AnalyzerHelpers.FindChildrenOfType <InvocationExpressionSyntax>(block))
{
var str = invocation.ToString();
if (str.Contains(".Update(") || str.Contains(".Insert(") || str.Contains(".Delete("))
{
isUpdateBlock = true;
}
if (str.Contains(scopeVariableName) && str.Contains(".Commit("))
{
hasScopeCommit = true;
}
}
if (isUpdateBlock && !hasScopeCommit)
{
var diagnostic = Diagnostic.Create(Rule, node.GetLocation());
context.ReportDiagnostic(diagnostic);
}
}
}
}
}
