protected sealed override void Initialize(SonarAnalysisContext context)
{
context.RegisterSyntaxNodeActionInNonGenerated(
c =>
{
var statement = (ExpressionStatementSyntax)c.Node;
var expression = statement.Expression;
if (expression is AwaitExpressionSyntax awaitExpression)
{
expression = awaitExpression.Expression;
}
var method = c.SemanticModel.GetSymbolInfo(expression).Symbol as IMethodSymbol;
if (method == null ||
!ReadMethodNames.Contains(method.Name, StringComparer.Ordinal))
{
return;
}
if (method.ContainingType.Is(KnownType.System_IO_Stream) ||
method.IsOverride && method.ContainingType.DerivesOrImplements(KnownType.System_IO_Stream))
{
c.ReportDiagnosticWhenActive(Diagnostic.Create(rule, expression.GetLocation(), method.Name));
}
},
SyntaxKind.ExpressionStatement);
}
public override void Initialize(AnalysisContext context)
{
context.RegisterSyntaxNodeActionInNonGenerated(
c =>
{
var statement = (ExpressionStatementSyntax)c.Node;
var expression = statement.Expression;
var awaitExpression = expression as AwaitExpressionSyntax;
if (awaitExpression != null)
{
expression = awaitExpression.Expression;
}
var method = c.SemanticModel.GetSymbolInfo(expression).Symbol as IMethodSymbol;
if (method == null ||
!ReadMethodNames.Contains(method.Name, StringComparer.InvariantCulture))
{
return;
}
var streamType = c.SemanticModel.Compilation.GetTypeByMetadataName("System.IO.Stream");
if (streamType == null)
{
return;
}
if (method.ContainingType.DerivesOrImplementsAny(streamType))
{
c.ReportDiagnostic(Diagnostic.Create(Rule, expression.GetLocation(), method.Name));
}
},
SyntaxKind.ExpressionStatement);
}
