private static ThrowInfo GetUndocumentedExceptionInfo(
SyntaxNode node,
ExpressionSyntax expression,
MemberDeclarationSyntax declaration,
ISymbol declarationSymbol,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
if (expression != null)
{
ITypeSymbol typeSymbol = semanticModel.GetTypeSymbol(expression, cancellationToken);
if (typeSymbol?.IsErrorType() == false &&
SymbolUtility.IsException(typeSymbol, semanticModel))
{
DocumentationCommentTriviaSyntax comment = declaration.GetSingleLineDocumentationComment();
if (comment != null &&
!ContainsException(comment, typeSymbol, semanticModel, cancellationToken))
{
return(ThrowInfo.Create(node, typeSymbol, declarationSymbol));
}
}
}
return(null);
}
private static AddExceptionToDocumentationCommentAnalysis Analyze(
SyntaxNode node,
ExpressionSyntax expression,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
ITypeSymbol exceptionSymbol = semanticModel.GetTypeSymbol(expression, cancellationToken);
if (exceptionSymbol?.IsErrorType() == false &&
SymbolUtility.IsException(exceptionSymbol, semanticModel))
{
ISymbol declarationSymbol = GetDeclarationSymbol(node.SpanStart, semanticModel, cancellationToken);
if (declarationSymbol != null)
{
var containingMember = declarationSymbol
.DeclaringSyntaxReferences[0]
.GetSyntax(cancellationToken) as MemberDeclarationSyntax;
if (containingMember != null)
{
SyntaxTrivia trivia = containingMember.GetSingleLineDocumentationComment();
if (trivia.IsKind(SyntaxKind.SingleLineDocumentationCommentTrivia))
{
var comment = trivia.GetStructure() as DocumentationCommentTriviaSyntax;
if (comment?.IsKind(SyntaxKind.SingleLineDocumentationCommentTrivia) == true &&
!ContainsException(comment, exceptionSymbol, semanticModel, cancellationToken))
{
ThrowInfo throwInfo = ThrowInfo.Create(node, exceptionSymbol, declarationSymbol);
return(new AddExceptionToDocumentationCommentAnalysis(throwInfo, trivia));
}
}
}
}
}
return(AddExceptionToDocumentationCommentAnalysis.NoSuccess);
}