private static AddExceptionToDocumentationCommentAnalysisResult Analyze(
SyntaxNode node,
ExpressionSyntax expression,
INamedTypeSymbol exceptionSymbol,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
if (!(semanticModel.GetTypeSymbol(expression, cancellationToken) is INamedTypeSymbol typeSymbol))
{
return(Fail);
}
if (!InheritsFromException(typeSymbol, exceptionSymbol))
{
return(Fail);
}
ISymbol declarationSymbol = GetDeclarationSymbol(node.SpanStart, semanticModel, cancellationToken);
if (!(declarationSymbol?.GetSyntax(cancellationToken) is MemberDeclarationSyntax containingMember))
{
return(Fail);
}
DocumentationCommentTriviaSyntax comment = containingMember.GetSingleLineDocumentationComment();
if (comment == null)
{
return(Fail);
}
if (!CanAddExceptionToComment(comment, typeSymbol, semanticModel, cancellationToken))
{
return(Fail);
}
ThrowInfo throwInfo = ThrowInfo.Create(node, typeSymbol, declarationSymbol);
return(new AddExceptionToDocumentationCommentAnalysisResult(throwInfo, comment.ParentTrivia));
}
public IParameterSymbol GetParameterSymbol(SemanticModel semanticModel, CancellationToken cancellationToken)
{
return(ThrowInfo?.GetParameterSymbol(semanticModel, cancellationToken));
}
internal AddExceptionToDocumentationCommentAnalysisResult(ThrowInfo info, SyntaxTrivia documentationComment)
{
ThrowInfo = info;
DocumentationComment = documentationComment;
}