private static void AnalyzeInvocation(SyntaxNodeAnalysisContext context)
{
// http://stackoverflow.com/questions/29614112/how-to-get-invoked-method-name-in-roslyn
var invocationNode = (InvocationExpressionSyntax)context.Node;
var invocationSymbol = context.SemanticModel.GetSymbolInfo(invocationNode.Expression).Symbol;
if ((invocationSymbol?.ContainingType?.IsBusinessBase() ?? false))
{
if (context.CancellationToken.IsCancellationRequested)
{
return;
}
if (invocationSymbol?.Name == "Save")
{
FindSaveAssignmentIssueAnalyzer.CheckForCondition(context, invocationNode,
invocationNode.Parent, FindSaveAssignmentIssueAnalyzer.saveResultIsNotAssignedRule);
}
else if (invocationSymbol?.Name == "SaveAsync")
{
FindSaveAssignmentIssueAnalyzer.CheckForCondition(context, invocationNode,
invocationNode.Parent?.Parent, FindSaveAssignmentIssueAnalyzer.saveAsyncResultIsNotAssignedRule);
}
}
}
private static void AnalyzeInvocation(SyntaxNodeAnalysisContext context)
{
// http://stackoverflow.com/questions/29614112/how-to-get-invoked-method-name-in-roslyn
var invocationNode = (InvocationExpressionSyntax)context.Node;
if (!invocationNode.ContainsDiagnostics)
{
var invocationSymbol = context.SemanticModel.GetSymbolInfo(invocationNode.Expression).Symbol;
if ((invocationSymbol?.ContainingType?.IsBusinessBase() ?? false))
{
context.CancellationToken.ThrowIfCancellationRequested();
var expressionStatementNode = invocationNode.FindParent <ExpressionStatementSyntax>();
if (invocationSymbol?.Name == Constants.SaveMethodNames.Save)
{
FindSaveAssignmentIssueAnalyzer.CheckForCondition(context, invocationNode,
expressionStatementNode, FindSaveAssignmentIssueAnalyzer.saveResultIsNotAssignedRule);
}
else if (invocationSymbol?.Name == Constants.SaveMethodNames.SaveAsync)
{
FindSaveAssignmentIssueAnalyzer.CheckForCondition(context, invocationNode,
expressionStatementNode, FindSaveAssignmentIssueAnalyzer.saveAsyncResultIsNotAssignedRule);
}
}
}
}
private static void CheckForCondition(SyntaxNodeAnalysisContext context, InvocationExpressionSyntax invocationNode,
SyntaxNode expressionStatementParent, DiagnosticDescriptor descriptor)
{
if ((!expressionStatementParent?.DescendantNodesAndTokens()?.Any(_ => _.IsKind(SyntaxKind.EqualsToken)) ?? false) &&
!(invocationNode.DescendantNodes()?.Any(_ => new ContainsInvocationExpressionWalker(_).HasIssue) ?? false) &&
!FindSaveAssignmentIssueAnalyzer.IsReturnValue(invocationNode))
{
context.ReportDiagnostic(Diagnostic.Create(descriptor, invocationNode.GetLocation()));
}
}
private static void CheckForCondition(SyntaxNodeAnalysisContext context, InvocationExpressionSyntax invocationNode,
SyntaxNode expressionStatementParent, DiagnosticDescriptor descriptor)
{
// Make sure the invocation's containing type is not the same as the class that contains it
if ((invocationNode.DescendantNodesAndTokens().Any(_ => _.IsKind(SyntaxKind.DotToken)) &&
!invocationNode.DescendantNodesAndTokens().Any(_ => _.IsKind(SyntaxKind.ThisExpression) || _.IsKind(SyntaxKind.BaseExpression))) &&
(!expressionStatementParent?.DescendantNodesAndTokens()?.Any(_ => _.IsKind(SyntaxKind.EqualsToken)) ?? false) &&
!(invocationNode.DescendantNodes()?.Any(_ => new ContainsInvocationExpressionWalker(_).HasIssue) ?? false) &&
!FindSaveAssignmentIssueAnalyzer.IsReturnValue(invocationNode))
{
context.ReportDiagnostic(Diagnostic.Create(descriptor, invocationNode.GetLocation()));
}
}