private ParamsWithStepsAttribute GetParamsWithStepsAttribute(string fieldOrPropertyName, SyntaxList <AttributeListSyntax> attributeLists)
{
foreach (var attribute in attributeLists.SelectMany(attributeList =>
attributeList.Attributes.Where(attribute => attribute.Name.ToString() == paramsWithStepsAttribute)))
{
var arguments = (from argument in attribute.ArgumentList.Arguments
select argument.Expression as LiteralExpressionSyntax
into expression
where expression != null && expression.Token.Value is int
select(int) expression.Token.Value).ToList();
const int expectedArgCount = 3;
if (arguments.Count != expectedArgCount)
{
var rawArgs = String.Join(", ", attribute.ArgumentList.Arguments.Select(
arg =>
{
var literalExpressionSyntax = arg.Expression as LiteralExpressionSyntax;
return(literalExpressionSyntax != null
? ((int)(literalExpressionSyntax.Token.Value)).ToString(CultureInfo.InvariantCulture)
: arg.Expression.ToString());
}));
Console.WriteLine("{0} -> {1} - Wrong number of args, Expected {2}, Got {3}",
fieldOrPropertyName, rawArgs, expectedArgCount, arguments.Count);
continue;
}
return(new ParamsWithStepsAttribute(arguments[0], arguments[1], arguments[2]));
}
return(null);
}
private static bool IsTestRelatedMethod(SemanticModel semanticModel, SyntaxList <AttributeListSyntax> attributeLists)
{
var allAttributes = attributeLists.SelectMany(al => al.Attributes);
return(allAttributes.Any(a => a.IsSetUpOrTearDownMethodAttribute(semanticModel) ||
a.IsTestMethodAttribute(semanticModel)));
}
public override SyntaxList <TNode> VisitList <TNode>(SyntaxList <TNode> list)
{
Console.WriteLine("Visiting Syntax List {0} : {1}", typeof(TNode).Name, list.Count);
var result = List(list.SelectMany(visitor.Visit).Cast <TNode>());
return(base.VisitList(result));
}
public static IEnumerable <AttributeSyntax> GetAllAttributes(this SyntaxList <AttributeListSyntax> attributeListSyntaxes, string name)
{
return(attributeListSyntaxes
.SelectMany(al => al.Attributes)
.Where(a => a.Name.ToString() == name)
.ToList());
}
private bool HasExcludedCodeAttribute(SyntaxList <AttributeListSyntax> attributeSyntaxLists)
{
return(attributeSyntaxLists
.SelectMany(attributeList => attributeList.Attributes)
.Select(GetAttributeName)
.Any(IsExcludedAttribute));
}
private SyntaxList <StatementSyntax> ConvertStatements(SyntaxList <Microsoft.CodeAnalysis.CSharp.Syntax.StatementSyntax> statements,
MethodBodyVisitor iteratorState = null)
{
var methodBodyVisitor = CreateMethodBodyVisitor(iteratorState);
return(SyntaxFactory.List(statements.SelectMany(s => ConvertStatement(s, methodBodyVisitor))));
}
public static AttributeSyntax FindAttributeWithName(
this SyntaxList <AttributeListSyntax> @this,
string name)
{
return(@this
.SelectMany(d => d.Attributes)
.FirstOrDefault(d => HasName(d, name)));
}
public static AttributeSyntax GetAttribute(this SyntaxList <AttributeListSyntax> attributes, string attributeName)
=> attributes
.SelectMany(a => a.Attributes)
.FirstOrDefault(a =>
{
var name = a.Name.ToString();
return(name == attributeName || name == attributeName + "Attribute");
});
public static AttributeSyntax SelectAttributeOfType(SyntaxList <AttributeListSyntax> attributeLists, Type type, SemanticModel semanticModel)
{
return(attributeLists.SelectMany(
attributeListSyntax => attributeListSyntax.Attributes)
.FirstOrDefault(
attributeSyntax =>
new AttributeInspector(attributeSyntax, semanticModel).IsAttributeTypeOf(type)));
}
static string MetaLiteral(SyntaxList <AttributeListSyntax> attributes)
{
return(attributes.SelectMany(attrs => attrs.Attributes)
.Where(atr => atr.Name.As <SimpleNameSyntax>()?.Identifier.ValueText == "Meta")
.Select(meta => meta.ArgumentList.Arguments.FirstOrDefault().Expression)
.OfType <LiteralExpressionSyntax>()
.Select(_literal => _literal.Token.ValueText)
.FirstOrDefault());
}
public static string[] AttributeFullNames(this SyntaxList <AttributeListSyntax> collection,
SyntaxNodeAnalysisContext analysisContext)
{
var attributeSyntaxes = collection.SelectMany(e => e.Attributes);
return(attributeSyntaxes
.Select(e => analysisContext.SemanticModel.GetTypeInfo(e).Type.ToString())
.ToArray());
}
public static IEnumerable <AttributeSyntax> GetExpectedExceptionFreeTestCaseAttribute(SyntaxList <AttributeListSyntax> attrs,
bool alreadyHasExpectedExceptionAttribute = false)
{
return(attrs
.SelectMany(x => x.Attributes)
.Where(x => x.Name.ToString() == "TestCase" || x.Name.ToString() == "TestCaseAttribute")
.Where(x => !alreadyHasExpectedExceptionAttribute &&
x.ArgumentList.Arguments.All(a =>
a.NameEquals.Name.ToString() != "ExpectedExceptionName" && a.NameEquals.Name.ToString() != "ExpectedException")));
}
/// <summary>
/// Parses an attribute
/// </summary>
/// <param name="attributeLists">The list of attributes to parse</param>
/// <param name="separator">The separator to use between attributes</param>
/// <returns>A tuple where the first value is the Swift attributes and the second contains the value of an ExportAttribute</returns>
private static Tuple <string, string> ParseAttributes(SyntaxList <AttributeListSyntax> attributeLists,
string separator = " ")
{
if (!attributeLists.Any())
{
return(new Tuple <string, string>("", null));
}
var output = "";
string exportAs = null;
foreach (var attribute in attributeLists.SelectMany(attrList => attrList.Attributes))
{
if (attribute.Name.ToString() == nameof(UsingRef))
{
continue;
}
if (IsProtocolBuilderAttribute(attribute, "ExportAttribute"))
{
exportAs = SyntaxNode(attribute.ArgumentList.Arguments[0].Expression).Trim().Trim('"');
continue;
}
var attOutput = default(string);
if (attribute.Name.ToString().ToLower().Contains("outputas"))
{
var attLanguage = (Languages)Enum.Parse(typeof(Languages),
attribute.ArgumentList.Arguments[0].Expression.ToString().Split('.').Last());
if (attLanguage == Builder.Instance.Language)
{
attOutput = attribute.ArgumentList.Arguments[1].Expression.ToString().Trim('"');
}
if (string.IsNullOrWhiteSpace(attOutput))
{
continue;
}
}
if (string.IsNullOrWhiteSpace(attOutput))
{
var syntaxNodeResult = SyntaxNode(attribute);
if (!string.IsNullOrWhiteSpace(syntaxNodeResult))
{
attOutput = SyntaxNode(attribute);
}
}
if (!string.IsNullOrWhiteSpace(attOutput))
{
output += attOutput + separator;
}
}
return(new Tuple <string, string>(output, exportAs));
}
private List<LuaExpressionSyntax> BuildAttributes(SyntaxList<AttributeListSyntax> attributeLists) {
List<LuaExpressionSyntax> expressions = new List<LuaExpressionSyntax>();
var attributes = attributeLists.SelectMany(i => i.Attributes);
foreach (var node in attributes) {
var expression = (LuaExpressionSyntax)node.Accept(this);
if (expression != null) {
expressions.Add(expression);
}
}
return expressions;
}
private static bool HasAttribute(SyntaxList <AttributeListSyntax> source, string fullName, SemanticModel model, GeneratorExecutionContext ctx)
{
return(source.SelectMany(list => list.Attributes).Any(
atr =>
{
TypeInfo typeInfo = model.GetTypeInfo(atr, ctx.CancellationToken);
string typeName = typeInfo.Type?.ToDisplayString(TypeNameFormat);
return string.Equals(typeName, fullName, StringComparison.Ordinal);
}));
}
private static AttributeSyntax GetAttribute <TAttribute>(SyntaxList <AttributeListSyntax> attributeList)
{
var attributeType = typeof(TAttribute);
return
(attributeList.SelectMany(a => a.Attributes).FirstOrDefault(
a =>
((IdentifierNameSyntax)a.Name).Identifier.Text == attributeType.Name ||
attributeType.Name.EndsWith("Attribute") &&
((IdentifierNameSyntax)a.Name).Identifier.Text ==
attributeType.Name.Substring(0, attributeType.Name.Length - "Attribute".Length)));
}
private static AttributeSyntax GetAttribute <TAttribute>(SyntaxList <AttributeDeclarationSyntax> attributeList)
{
var attributeType = typeof(TAttribute);
return
(attributeList.SelectMany(a => a.Attributes).FirstOrDefault(
a =>
a.Name.PlainName.Split('.').Last() == attributeType.Name ||
attributeType.Name.EndsWith("Attribute") &&
a.Name.PlainName.Split('.').Last() ==
attributeType.Name.Substring(0, attributeType.Name.Length - "Attribute".Length)));
}
private static bool HasMemberJsonIgnoreAttribute(PropertyDeclarationSyntax propertySyntax)
{
SyntaxList <AttributeListSyntax> propertyAttributes = propertySyntax.AttributeLists;
if (propertyAttributes.Any())
{
var attributes = propertyAttributes.SelectMany(x => x.Attributes);
return(attributes.Any(a => a.Name.ToString() == "JsonIgnore"));
}
return(false);
}
private bool HasAttributeWithInitGuarantee(SyntaxList <AttributeListSyntax> attributes)
{
if (attributes.Count == 0)
{
return(false);
}
foreach (var attribute in attributes.SelectMany(x => x.Attributes))
{
var attributeName = attribute.Name.ToFullString().Replace("Attribute", "");
if (attributeName.EndsWith("InitOnly") || attributeName.EndsWith("InitRequired"))
{
return(true);
}
}
return(false);
}
private static IEnumerable <RuleName> GetRuleNamesToIgnore(SyntaxList <AttributeListSyntax> attributeLists)
{
string[] ignoreNames = new []
{
"SuppressMessage",
"CodeAnalysis.SuppressMessage",
"Diagnostics.CodeAnalysis.SuppressMessage",
"System.Diagnostics.CodeAnalysis.SuppressMessage"
};
return(attributeLists
.SelectMany(x => x.Attributes)
.Where(a => ignoreNames.Contains(a.Name.ToString()) && a.ArgumentList.Arguments.Count == 2)
.Where(a => a.ArgumentList.Arguments[0].Expression.Kind == SyntaxKind.StringLiteralExpression && a.ArgumentList.Arguments[1].Expression.Kind == SyntaxKind.StringLiteralExpression)
.Select(a => new RuleName(
((LiteralExpressionSyntax)a.ArgumentList.Arguments[0].Expression).ToFullString().Replace("\"", ""),
((LiteralExpressionSyntax)a.ArgumentList.Arguments[1].Expression).ToFullString().Replace("\"", "")
)));
}
public static IImmutableList <AttributeUsageInfo> GetAttributeInfo(
this SemanticModel model,
SyntaxList <AttributeListSyntax> attributeLists)
{
AttributeParameterInfo GetArgumentParameter(AttributeArgumentSyntax arg, int idx)
{
string name = idx.ToString();
if (arg.NameColon != null)
{
name = arg.NameColon.Name.Identifier.Text;
}
else if (arg.NameEquals != null)
{
name = arg.NameEquals.Name.Identifier.Text;
}
return(new AttributeParameterInfo(name, arg.Expression));
}
IImmutableList <AttributeParameterInfo> GetParameters(AttributeSyntax attribute)
{
if (attribute.ArgumentList == null)
{
return(ImmutableList.Create <AttributeParameterInfo>());
}
return(attribute.ArgumentList.Arguments.Select(GetArgumentParameter).ToImmutableList());
}
AttributeUsageInfo GetSingleAttributeInfo(AttributeSyntax attribute)
{
ISymbol method = model.GetSymbolInfo(attribute).Symbol;
INamedTypeSymbol type = method.ContainingType;
return(new AttributeUsageInfo(type, GetParameters(attribute)));
}
return(attributeLists.SelectMany(l => l.Attributes).Select(GetSingleAttributeInfo).ToImmutableList());
}
public static bool TryGetAttribute(this SyntaxList <AttributeListSyntax> attributeLists, KnownType attributeKnownType,
SemanticModel semanticModel, out AttributeSyntax searchedAttribute)
{
searchedAttribute = null;
if (!attributeLists.Any())
{
return(false);
}
foreach (var attribute in attributeLists.SelectMany(attributeList => attributeList.Attributes))
{
var attributeType = semanticModel.GetTypeInfo(attribute).Type;
if (attributeType.Is(attributeKnownType))
{
searchedAttribute = attribute;
return(true);
}
}
return(false);
}
/// <summary>
/// Parses an attribute
/// </summary>
/// <param name="attributeLists">The list of attributes to parse</param>
/// <param name="separator">The separator to use between attributes</param>
/// <returns>A tuple where the first value is the Swift attributes and the second contains the value of an ExportAttribute</returns>
private static Tuple <string, string> ParseAttributes(SyntaxList <AttributeListSyntax> attributeLists, string separator = " ")
{
if (!attributeLists.Any())
{
return(new Tuple <string, string>("", null));
}
var output = "";
string exportAs = null;
foreach (var attribute in attributeLists.SelectMany(attrList => attrList.Attributes))
{
if (IsSharpSwiftAttribute(attribute, "ExportAttribute"))
{
exportAs = SyntaxNode(attribute.ArgumentList.Arguments[0].Expression).Trim().Trim('"');
continue;
}
output += SyntaxNode(attribute) + separator;
}
return(new Tuple <string, string>(output, exportAs));
}
private ParamsAttribute GetParamsAttribute(string fieldOrPropertyName, SyntaxList <AttributeListSyntax> attributeLists)
{
foreach (var attribute in attributeLists.SelectMany(attributeList =>
attributeList.Attributes.Where(attribute => attribute.Name.ToString() == paramsAttribute)))
{
var arguments = (from argument in attribute.ArgumentList.Arguments
select argument.Expression as LiteralExpressionSyntax
into expression
where expression != null && expression.Token.Value is int
select(int) expression.Token.Value).ToArray();
// [Params(..)] with zero arguments is not allowed, there must be at least one!!
if (arguments.Length < 1)
{
var msg = String.Format("The [{0}] attribute must be used with at least 1 value, i.e. \"[{0}(1)]\"", paramsAttribute);
throw new InvalidOperationException(msg);
}
return(new ParamsAttribute(arguments));
}
return(null);
}
public static IEnumerable <AttributeSyntax> GetExpectedExceptionAttributes(SyntaxList <AttributeListSyntax> attrs)
{
return(attrs
.SelectMany(x => x.Attributes)
.Where(x => x.Name.ToString() == "ExpectedException" || x.Name.ToString() == "ExpectedExceptionAttribute"));
}
public static IEnumerable <AttributeSyntax> GetAttributes(this SyntaxList <AttributeListSyntax> attributeLists,
ImmutableArray <KnownType> attributeKnownTypes, SemanticModel semanticModel) =>
attributeLists.SelectMany(list => list.Attributes)
.Where(a => semanticModel.GetTypeInfo(a).Type.IsAny(attributeKnownTypes));
private static bool HasFieldAttribute(SyntaxList <AttributeListSyntax> attributeLists)
{
return(attributeLists.SelectMany(list => list.Attributes).Any(attribute => Vocabulary.AttributeNamesEqual(attribute.Name.ToString(), Vocabulary.FieldAttribute)));
}
public static bool ContainsAttribute(this SyntaxList <AttributeListSyntax> attributeLists, string attributeName)
{
return(attributeLists.SelectMany(attr => (attr?.Attributes).GetValueOrDefault())
.Select(GetAttributeName)
.Any(name => string.Equals(attributeName, name, StringComparison.Ordinal)));
}
public static bool HasAnyAttribute(this SyntaxList <AttributeListSyntax> attributeLists, string[] attributeNames) =>
attributeLists.SelectMany(a => a.Attributes).Select(a => a.Name.ToString()).Any(name => attributeNames.Any(attributeName =>
name.EndsWith(attributeName, StringComparison.OrdinalIgnoreCase) ||
name.EndsWith($"{attributeName}Attribute", StringComparison.OrdinalIgnoreCase)));
public static bool HasAttribute(this SyntaxList <AttributeListSyntax> attributeLists, string attributeName) => attributeLists.SelectMany(a => a.Attributes).Any(a => a.Name.ToString().EndsWith(attributeName, StringComparison.OrdinalIgnoreCase));
