protected override IEnumerable <Diagnostic> Analyze(IMethodSymbol symbol)
{
var commentXml = symbol.GetComment();
foreach (var parameter in symbol.Parameters)
{
var comment = parameter.GetComment(commentXml);
if (comment.ContainsAny(Constants.Comments.FuturePhrase))
{
return(new[] { Issue(parameter) });
}
}
return(Enumerable.Empty <Diagnostic>());
}
public static bool IsBool(this IMethodSymbol method)
{
if (method.ReturnType.Name != "Int32")
{
return(false);
}
string comment = method.GetComment();
if (comment == null)
{
return(false);
}
if (comment.StartsWith("True if "))
{
return(true);
}
if (comment.StartsWith("Return a bool"))
{
return(true);
}
return(Regex.IsMatch(comment, @"returns?\s+true", RegexOptions.IgnoreCase) ||
Regex.IsMatch(comment, @"returns?\s+false", RegexOptions.IgnoreCase));
}
public static bool IsBool(this IParameterSymbol parameter)
{
if (parameter.Type.Name != "Int32")
{
return(false);
}
string name = parameter.Name;
IMethodSymbol method = (IMethodSymbol)parameter.ContainingSymbol;
AttributeData nativeNameAttribute = method.GetAttributes().FirstOrDefault(attr => attr.AttributeClass.Name == "NativeNameAttribute");
string methodNativeName = nativeNameAttribute?.ConstructorArguments[0].Value as string;
if (methodNativeName != null)
{
string methodName = (method.ContainingType.Name + "::" + methodNativeName).TrimStart('_');
foreach (BoolIntInfo boolInt in BooleanInt.Value)
{
if (boolInt.Method == methodName && boolInt.Arg == name)
{
return(true);
}
}
}
string comment = method.GetComment();
if (name.StartsWith("is") && name.Length > 2 && (name[2] == '_' || char.IsUpper(name[2])))
{
return(true);
}
if ((name.StartsWith("can") || name.StartsWith("has")) && name.Length > 3 && (name[3] == '_' || char.IsUpper(name[3])))
{
return(true);
}
string namePattern = "|" + name + "|";
int startPos = 0;
while (true)
{
startPos = comment.IndexOf(namePattern, startPos + 1);
if (startPos == -1)
{
return(false);
}
int endPos = comment.IndexOf('.', startPos);
if (endPos == -1)
{
endPos = comment.Length;
}
foreach (string word in comment.Substring(startPos, endPos - startPos).Split(WordSplittres, 5, StringSplitOptions.RemoveEmptyEntries).Skip(1))
{
if (word.StartsWith('|') && word.EndsWith('|'))
{
break; // found another parameter
}
if (word.StartsWith("true") || word.StartsWith("false"))
{
return(true);
}
}
}
}
