protected static Diagnostic[] GetSortedDiagnostics(DiagnosticAnalyzer analyzerOpt, Document[] documents, TextSpan?[] spans = null, TestValidationMode validationMode = DefaultTestValidationMode, IEnumerable <TestAdditionalDocument> additionalFiles = null)
{
if (analyzerOpt == null)
{
return(SpecializedCollections.EmptyArray <Diagnostic>());
}
var projects = new HashSet <Project>();
foreach (Document document in documents)
{
projects.Add(document.Project);
}
var analyzerOptions = additionalFiles != null ? new AnalyzerOptions(additionalFiles.ToImmutableArray <AdditionalText>()) : null;
DiagnosticBag diagnostics = DiagnosticBag.GetInstance();
foreach (Project project in projects)
{
Compilation compilation = project.GetCompilationAsync().Result;
compilation = EnableAnalyzer(analyzerOpt, compilation);
ImmutableArray <Diagnostic> diags = compilation.GetAnalyzerDiagnostics(new[] { analyzerOpt }, validationMode, analyzerOptions);
if (spans == null)
{
diagnostics.AddRange(diags);
}
else
{
Debug.Assert(spans.Length == documents.Length);
foreach (Diagnostic diag in diags)
{
if (diag.Location == Location.None || diag.Location.IsInMetadata)
{
diagnostics.Add(diag);
}
else
{
for (int i = 0; i < documents.Length; i++)
{
Document document = documents[i];
SyntaxTree tree = document.GetSyntaxTreeAsync().Result;
if (tree == diag.Location.SourceTree)
{
TextSpan?span = spans[i];
if (span == null || span.Value.Contains(diag.Location.SourceSpan))
{
diagnostics.Add(diag);
}
}
}
}
}
}
}
Diagnostic[] results = diagnostics.AsEnumerable().OrderBy(d => d.Location.SourceSpan.Start).ToArray();
diagnostics.Free();
return(results);
}
private SimpleDiagnostic(
DiagnosticDescriptor descriptor,
DiagnosticSeverity severity,
int warningLevel,
Location location,
IEnumerable <Location> additionalLocations,
object[] messageArgs,
ImmutableDictionary <string, string> properties,
bool isSuppressed)
{
if ((warningLevel == 0 && severity != DiagnosticSeverity.Error) ||
(warningLevel != 0 && severity == DiagnosticSeverity.Error))
{
throw new ArgumentException(nameof(warningLevel));
}
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
_descriptor = descriptor;
_severity = severity;
_warningLevel = warningLevel;
_location = location ?? Location.None;
_additionalLocations = additionalLocations?.ToImmutableArray() ?? SpecializedCollections.EmptyReadOnlyList <Location>();
_messageArgs = messageArgs ?? SpecializedCollections.EmptyArray <object>();
_properties = properties ?? ImmutableDictionary <string, string> .Empty;
_isSuppressed = isSuppressed;
}
internal RudeEditDiagnosticDescription(RudeEditKind rudeEditKind, string squiggle, string[] arguments, string firstLine)
{
_rudeEditKind = rudeEditKind;
_squiggle = squiggle;
_firstLine = firstLine;
_arguments = arguments ?? SpecializedCollections.EmptyArray <string>();
}
private static IReadOnlyList <ILVisualizer.HandlerSpan> ToHandlerSpans(MetadataDecoder decoder, ImmutableArray <ExceptionRegion> entries)
{
if (entries.Length == 0)
{
return(SpecializedCollections.EmptyArray <ILVisualizer.HandlerSpan>());
}
var result = new List <ILVisualizer.HandlerSpan>();
foreach (ExceptionRegion entry in entries)
{
int tryStartOffset = entry.TryOffset;
int tryEndOffset = entry.TryOffset + entry.TryLength;
var span = new ILVisualizer.HandlerSpan(ILVisualizer.HandlerKind.Try, null, (uint)tryStartOffset, (uint)tryEndOffset);
if (result.Count == 0 || span.CompareTo(result[result.Count - 1]) != 0)
{
result.Add(span);
}
}
foreach (ExceptionRegion entry in entries)
{
int handlerStartOffset = entry.HandlerOffset;
int handlerEndOffset = entry.HandlerOffset + entry.HandlerLength;
ILVisualizer.HandlerSpan span;
switch (entry.Kind)
{
case ExceptionRegionKind.Catch:
var exceptionType = (Cci.ITypeReference)decoder.GetSymbolForILToken(entry.CatchType);
if (exceptionType == null)
{
throw new InvalidOperationException();
}
span = new ILVisualizer.HandlerSpan(ILVisualizer.HandlerKind.Catch, exceptionType, (uint)handlerStartOffset, (uint)handlerEndOffset);
break;
case ExceptionRegionKind.Fault:
span = new ILVisualizer.HandlerSpan(ILVisualizer.HandlerKind.Fault, null, (uint)handlerStartOffset, (uint)handlerEndOffset);
break;
case ExceptionRegionKind.Filter:
span = new ILVisualizer.HandlerSpan(ILVisualizer.HandlerKind.Filter, null, (uint)handlerStartOffset, (uint)handlerEndOffset, (uint)entry.FilterOffset);
break;
case ExceptionRegionKind.Finally:
span = new ILVisualizer.HandlerSpan(ILVisualizer.HandlerKind.Finally, null, (uint)handlerStartOffset, (uint)handlerEndOffset);
break;
default:
throw new InvalidOperationException();
}
result.Add(span);
}
return(result);
}
/// <summary>
/// Construct a new PatternMatcher using the specified culture.
/// </summary>
/// <param name="pattern">The pattern to make the pattern matcher for.</param>
/// <param name="culture">The culture to use for string searching and comparison.</param>
/// <param name="verbatimIdentifierPrefixIsWordCharacter">Whether to consider "@" as a word character</param>
/// <param name="allowFuzzyMatching">Whether or not close matches should count as matches.</param>
public PatternMatcher(
string pattern,
CultureInfo culture,
bool verbatimIdentifierPrefixIsWordCharacter,
bool allowFuzzyMatching)
{
pattern = pattern.Trim();
_compareInfo = culture.CompareInfo;
_allowFuzzyMatching = allowFuzzyMatching;
_fullPatternSegment = new Segment(pattern, verbatimIdentifierPrefixIsWordCharacter, allowFuzzyMatching);
if (pattern.IndexOf('.') < 0)
{
// PERF: Avoid string.Split allocations when the pattern doesn't contain a dot.
_dotSeparatedSegments = pattern.Length > 0 ? new Segment[1] {
_fullPatternSegment
} : SpecializedCollections.EmptyArray <Segment>();
}
else
{
_dotSeparatedSegments = pattern.Split(s_dotCharacterArray, StringSplitOptions.RemoveEmptyEntries)
.Select(text => new Segment(text.Trim(), verbatimIdentifierPrefixIsWordCharacter, allowFuzzyMatching))
.ToArray();
}
_invalidPattern = _dotSeparatedSegments.Length == 0 || _dotSeparatedSegments.Any(s => s.IsInvalid);
}
public static DiagnosticData Create(Document document, Diagnostic diagnostic)
{
var location = CreateLocation(document, diagnostic.Location);
var additionalLocations = diagnostic.AdditionalLocations.Count == 0
? (IReadOnlyCollection <DiagnosticDataLocation>)SpecializedCollections.EmptyArray <DiagnosticDataLocation>()
: diagnostic.AdditionalLocations.Where(loc => loc.IsInSource).Select(loc => CreateLocation(document.Project.GetDocument(loc.SourceTree), loc)).ToReadOnlyCollection();
return(new DiagnosticData(
diagnostic.Id,
diagnostic.Descriptor.Category,
diagnostic.GetMessage(CultureInfo.CurrentUICulture),
diagnostic.GetMessage(USCultureInfo), // We use the ENU version of the message for bing search.
diagnostic.Severity,
diagnostic.DefaultSeverity,
diagnostic.Descriptor.IsEnabledByDefault,
diagnostic.WarningLevel,
diagnostic.Descriptor.CustomTags.AsImmutableOrEmpty(),
diagnostic.Properties,
document.Project.Solution.Workspace,
document.Project.Id,
location,
additionalLocations,
title: diagnostic.Descriptor.Title.ToString(CultureInfo.CurrentUICulture),
description: diagnostic.Descriptor.Description.ToString(CultureInfo.CurrentUICulture),
helpLink: diagnostic.Descriptor.HelpLinkUri));
}
internal void TestOverloadResolutionWithDiff(string source, MetadataReference[] additionalRefs = null)
{
// The mechanism of this test is: we build the bound tree for the code passed in and then extract
// from it the nodes that describe the method symbols. We then compare the description of
// the symbols given to the comment that follows the call.
var mscorlibRef = AssemblyMetadata.CreateFromImage(ProprietaryTestResources.NetFX.v4_0_30316_17626.mscorlib).GetReference(display: "mscorlib");
var references = new[] { mscorlibRef }.Concat(additionalRefs ?? SpecializedCollections.EmptyArray <MetadataReference>());
var compilation = CreateCompilation(source, references, TestOptions.ReleaseDll);
var method = (SourceMethodSymbol)compilation.GlobalNamespace.GetTypeMembers("C").Single().GetMembers("M").Single();
var diagnostics = new DiagnosticBag();
var block = MethodCompiler.BindMethodBody(method, new TypeCompilationState(method.ContainingType, compilation, null), diagnostics);
var tree = BoundTreeDumperNodeProducer.MakeTree(block);
var results = string.Join("\n", tree.PreorderTraversal().Select(edge => edge.Value)
.Where(x => x.Text == "method" && x.Value != null)
.Select(x => x.Value)
.ToArray());
// var r = string.Join("\n", tree.PreorderTraversal().Select(edge => edge.Value).ToArray();
var expected = string.Join("\n", source
.Split(new[] { "\r\n" }, System.StringSplitOptions.RemoveEmptyEntries)
.Where(x => x.Contains("//-"))
.Select(x => x.Substring(x.IndexOf("//-") + 3))
.ToArray());
AssertEx.Equal(expected, results);
}
private static string[] GetNonTypeMemberNames(
CoreInternalSyntax.SyntaxList <Syntax.InternalSyntax.MemberDeclarationSyntax> members, ref SingleTypeDeclaration.TypeDeclarationFlags declFlags)
{
bool anyMethodHadExtensionSyntax = false;
bool anyMemberHasAttributes = false;
bool anyNonTypeMembers = false;
var set = PooledHashSet <string> .GetInstance();
foreach (var member in members)
{
AddNonTypeMemberNames(member, set, ref anyNonTypeMembers);
// Check to see if any method contains a 'this' modifier on its first parameter.
// This data is used to determine if a type needs to have its members materialized
// as part of extension method lookup.
if (!anyMethodHadExtensionSyntax && CheckMethodMemberForExtensionSyntax(member))
{
anyMethodHadExtensionSyntax = true;
}
if (!anyMemberHasAttributes && CheckMemberForAttributes(member))
{
anyMemberHasAttributes = true;
}
}
if (anyMethodHadExtensionSyntax)
{
declFlags |= SingleTypeDeclaration.TypeDeclarationFlags.AnyMemberHasExtensionMethodSyntax;
}
if (anyMemberHasAttributes)
{
declFlags |= SingleTypeDeclaration.TypeDeclarationFlags.AnyMemberHasAttributes;
}
if (anyNonTypeMembers)
{
declFlags |= SingleTypeDeclaration.TypeDeclarationFlags.HasAnyNontypeMembers;
}
// PERF: The member names collection tends to be long-lived. Use a string array since
// that uses less memory than a HashSet<string>.
string[] result;
if (set.Count == 0)
{
result = SpecializedCollections.EmptyArray <string>();
}
else
{
result = new string[set.Count];
set.CopyTo(result);
}
set.Free();
return(result);
}
internal byte[] ToArray(int start, int length)
{
if (_length == 0)
{
return(SpecializedCollections.EmptyArray <byte>());
}
byte[] result = new byte[length];
Array.Copy(_buffer, start, result, 0, result.Length);
return(result);
}
internal byte[] ToArray()
{
if (this.Length == 0)
{
return(SpecializedCollections.EmptyArray <byte>());
}
byte[] result = new byte[this.Length];
Array.Copy(this.Buffer, result, result.Length);
return(result);
}
public static ChecksumCollection GetOrCreateEmptyChecksumCollection(Serializer serializer, string kind)
{
var map = s_emptyChecksumCollectionCache.GetValue(serializer, s_emptyChecksumCollectionCallback);
ChecksumCollection collection;
if (map.TryGetValue(kind, out collection))
{
return(collection);
}
return(map.GetOrAdd(kind, _ => new ChecksumCollection(serializer, kind, SpecializedCollections.EmptyArray <object>())));
}
private string GetDebuggerDisplay()
{
#if DEBUG
var visType = System.Type.GetType("Roslyn.Test.Utilities.ILBuilderVisualizer, Roslyn.Test.Utilities", false);
if (visType != null)
{
var method = visType.GetTypeInfo().GetDeclaredMethod("BasicBlockToString");
return((string)method.Invoke(this, SpecializedCollections.EmptyArray <object>()));
}
#endif
return("");
}
internal static byte[] GetPublicKey(IAssemblyName nameObject)
{
byte[] result = GetPropertyBytes(nameObject, PropertyId.PUBLIC_KEY);
if (result != null)
{
return(result);
}
if (IsKeyOrTokenEmpty(nameObject, PropertyId.NULL_PUBLIC_KEY))
{
return(SpecializedCollections.EmptyArray <byte>());
}
return(null);
}
private static TextChunk[] BreakPatternIntoTextChunks(
string pattern, bool verbatimIdentifierPrefixIsWordCharacter, bool allowFuzzyMatching)
{
int partCount = CountTextChunks(pattern, verbatimIdentifierPrefixIsWordCharacter);
if (partCount == 0)
{
return(SpecializedCollections.EmptyArray <TextChunk>());
}
var result = new TextChunk[partCount];
int resultIndex = 0;
int wordStart = 0;
int wordLength = 0;
for (int i = 0; i < pattern.Length; i++)
{
var ch = pattern[i];
if (IsWordChar(ch, verbatimIdentifierPrefixIsWordCharacter))
{
if (wordLength++ == 0)
{
wordStart = i;
}
}
else
{
if (wordLength > 0)
{
result[resultIndex++] = new TextChunk(pattern.Substring(wordStart, wordLength), allowFuzzyMatching);
wordLength = 0;
}
}
}
if (wordLength > 0)
{
result[resultIndex++] = new TextChunk(pattern.Substring(wordStart, wordLength), allowFuzzyMatching);
}
return(result);
}
private static string[] BreakPatternIntoParts(string pattern, bool verbatimIdentifierPrefixIsWordCharacter)
{
int partCount = CountParts(pattern, verbatimIdentifierPrefixIsWordCharacter);
if (partCount == 0)
{
return(SpecializedCollections.EmptyArray <string>());
}
var result = new string[partCount];
int resultIndex = 0;
int wordStart = 0;
int wordLength = 0;
for (int i = 0; i < pattern.Length; i++)
{
var ch = pattern[i];
if (IsWordChar(ch, verbatimIdentifierPrefixIsWordCharacter))
{
if (wordLength++ == 0)
{
wordStart = i;
}
}
else
{
if (wordLength > 0)
{
result[resultIndex++] = pattern.Substring(wordStart, wordLength);
wordLength = 0;
}
}
}
if (wordLength > 0)
{
result[resultIndex++] = pattern.Substring(wordStart, wordLength);
}
return(result);
}
private SimpleDiagnostic(
DiagnosticDescriptor descriptor,
DiagnosticSeverity severity,
int warningLevel,
Location location,
IEnumerable <Location> additionalLocations,
object[] messageArgs)
{
if ((warningLevel == 0 && severity != DiagnosticSeverity.Error) ||
(warningLevel != 0 && severity == DiagnosticSeverity.Error))
{
throw new ArgumentException("warningLevel");
}
_descriptor = descriptor;
_severity = severity;
_warningLevel = warningLevel;
_location = location;
_additionalLocations = additionalLocations == null?SpecializedCollections.EmptyReadOnlyList <Location>() : additionalLocations.ToImmutableArray();
_messageArgs = messageArgs ?? SpecializedCollections.EmptyArray <object>();
}
private object[] GetSelectedObjects(ISelectionContainer selectionContainer)
{
if (selectionContainer == null)
{
return(SpecializedCollections.EmptyArray <object>());
}
uint selectedObjectCount = 0;
if (selectionContainer.CountObjects((uint)Constants.GETOBJS_SELECTED, out selectedObjectCount) < 0 || selectedObjectCount == 0)
{
return(SpecializedCollections.EmptyArray <object>());
}
object[] selectedObjects = new object[selectedObjectCount];
if (selectionContainer.GetObjects((uint)Constants.GETOBJS_SELECTED, selectedObjectCount, selectedObjects) < 0)
{
return(SpecializedCollections.EmptyArray <object>());
}
return(selectedObjects);
}
/// <remarks>
/// Rewrites nodes in <paramref name="nodes"/>, which is a snapshot of nodes from the original document.
/// We're mutating the tree as we rewrite, so it's important to grab a snapshot of the
/// nodes that we're going to reparent before we enumerate them.
/// </remarks>
private XNode[] RewriteMany(XNode[] nodes, string currentXmlFilePath, CSharpSyntaxNode originatingSyntax)
{
Debug.Assert(nodes != null);
ArrayBuilder <XNode> builder = null;
foreach (XNode child in nodes)
{
if (builder == null)
{
builder = ArrayBuilder <XNode> .GetInstance();
}
builder.AddRange(Rewrite(child, currentXmlFilePath, originatingSyntax));
}
// Nodes returned by this method are going to be attached to a new parent, so it's
// important that they don't already have parents. If a node with a parent is
// attached to a new parent, it is copied and its annotations are dropped.
Debug.Assert(builder == null || builder.All(node => node.Parent == null));
return(builder == null?SpecializedCollections.EmptyArray <XNode>() : builder.ToArrayAndFree());
}
internal static async Task <TestWorkspace> CreateAsync(
string language,
CompilationOptions compilationOptions,
ParseOptions parseOptions,
string[] files,
ExportProvider exportProvider,
string[] metadataReferences = null,
string workspaceKind = null,
string extension = null,
bool commonReferences = true)
{
var documentElements = new List <XElement>();
var index = 1;
if (extension == null)
{
extension = language == LanguageNames.CSharp
? CSharpExtension
: VisualBasicExtension;
}
foreach (var file in files)
{
documentElements.Add(CreateDocumentElement(file, "test" + index++ + extension, parseOptions));
}
metadataReferences = metadataReferences ?? SpecializedCollections.EmptyArray <string>();
foreach (var reference in metadataReferences)
{
documentElements.Add(CreateMetadataReference(reference));
}
var workspaceElement = CreateWorkspaceElement(
CreateProjectElement(compilationOptions?.ModuleName ?? "Test", language, commonReferences, parseOptions, compilationOptions, documentElements));
return(await CreateAsync(workspaceElement, exportProvider : exportProvider, workspaceKind : workspaceKind));
}
private LocalizableResourceString(ObjectReader reader)
{
_resourceSource = (Type)reader.ReadValue();
_nameOfLocalizableResource = reader.ReadString();
_resourceManager = new ResourceManager(_resourceSource);
var length = (int)reader.ReadCompressedUInt();
if (length == 0)
{
_formatArguments = SpecializedCollections.EmptyArray <string>();
}
else
{
var argumentsBuilder = ArrayBuilder <string> .GetInstance(length);
for (int i = 0; i < length; i++)
{
argumentsBuilder.Add(reader.ReadString());
}
_formatArguments = argumentsBuilder.ToArrayAndFree();
}
}
public FileSystemCompletionHelper(
CompletionProvider completionProvider,
TextSpan textChangeSpan,
ICurrentWorkingDirectoryDiscoveryService fileSystemDiscoveryService,
Glyph folderGlyph,
Glyph fileGlyph,
ImmutableArray <string> searchPaths,
IEnumerable <string> allowableExtensions,
Func <string, bool> exclude = null,
CompletionItemRules itemRules = null)
{
Debug.Assert(searchPaths.All(path => PathUtilities.IsAbsolute(path)));
_completionProvider = completionProvider;
_textChangeSpan = textChangeSpan;
_searchPaths = searchPaths;
_allowableExtensions = allowableExtensions.Select(e => e.ToLowerInvariant()).ToSet();
_fileSystemDiscoveryService = fileSystemDiscoveryService;
_folderGlyph = folderGlyph;
_fileGlyph = fileGlyph;
_exclude = exclude;
_itemRules = itemRules;
_lazyGetDrives = new Lazy <string[]>(() =>
IOUtilities.PerformIO(Directory.GetLogicalDrives, SpecializedCollections.EmptyArray <string>()));
}
/// <summary>
/// OBSOLETE: Use VerifyDiagnostics from Roslyn.Compilers.CSharp.Test.Utilities instead.
/// </summary>
public static void VerifyErrorCodes(IEnumerable <Diagnostic> actualErrors, params ErrorDescription[] expectedErrorDesp)
{
if (expectedErrorDesp == null)
{
return;
}
int expectedLength = expectedErrorDesp.Length;
int actualLength = actualErrors.Count();
Assert.True(
expectedLength == actualLength,
String.Format(
"ErrCount {0} != {1}{2}Actual errors are:{2}{3}",
expectedLength,
actualLength,
Environment.NewLine,
actualLength == 0 ? "<none>" : string.Join(Environment.NewLine, actualErrors)));
var actualSortedDesp = (from ae in
(from e in actualErrors
let lineSpan = e.Location.GetMappedLineSpan()
select new ErrorDescription
{
Code = e.Code,
Line = lineSpan.IsValid ? lineSpan.StartLinePosition.Line + 1 : 0,
Column = lineSpan.IsValid ? lineSpan.StartLinePosition.Character + 1 : 0,
IsWarning = e.Severity == DiagnosticSeverity.Warning,
Parameters = (e.Arguments != null && e.Arguments.Count > 0 && e.Arguments[0] != null) ?
e.Arguments.Select(x => x != null ? x.ToString() : null).ToArray() : SpecializedCollections.EmptyArray <string>()
})
orderby ae.Code, ae.Line, ae.Column
select ae).ToList();
var expectedSortedDesp = (from ee in expectedErrorDesp
orderby ee.Code, ee.Line, ee.Column
select ee).ToList();
int idx = 0;
// actual >= expected
foreach (var experr in expectedSortedDesp)
{
while (idx < actualSortedDesp.Count && actualSortedDesp[idx].Code < experr.Code)
{
idx++;
}
if (idx >= actualSortedDesp.Count)
{
idx = actualSortedDesp.Count - 1;
}
var acterr = actualSortedDesp[idx];
Assert.Equal(experr.Code, acterr.Code);
if (experr.Line > 0 && experr.Column > 0)
{
Assert.True(experr.Line == acterr.Line, String.Format("Line {0}!={1}", experr.Line, acterr.Line));
Assert.True(experr.Column == acterr.Column, String.Format("Col {0}!={1}", experr.Column, acterr.Column));
}
Assert.Equal(experr.IsWarning, acterr.IsWarning);
//if the expected contains parameters, validate those too.
if (experr.Parameters != null)
{
Assert.True(experr.Parameters.SequenceEqual(acterr.Parameters), String.Format("Param: {0}!={1}", experr.Parameters.Count(), acterr.Parameters.Count()));
}
idx++;
}
}
private static FileSystemInfo[] GetFileSystemInfos(DirectoryInfo directoryInfo)
{
return(IOUtilities.PerformIO(directoryInfo.GetFileSystemInfos, SpecializedCollections.EmptyArray <FileSystemInfo>()));
}
/// <remarks>
/// This method boils down to Rewrite(XDocument.Load(fileAttrValue).XPathSelectElements(pathAttrValue)).
/// Everything else is error handling.
/// </remarks>
private XNode[] RewriteIncludeElement(XElement includeElement, string currentXmlFilePath, CSharpSyntaxNode originatingSyntax, out string commentMessage)
{
Location location = GetIncludeElementLocation(includeElement, ref currentXmlFilePath, ref originatingSyntax);
Debug.Assert(originatingSyntax != null);
bool diagnose = originatingSyntax.SyntaxTree.ReportDocumentationCommentDiagnostics();
if (!EnterIncludeElement(location))
{
// NOTE: these must exist since we're already processed this node elsewhere in the call stack.
XAttribute fileAttr = includeElement.Attribute(XName.Get(DocumentationCommentXmlNames.FileAttributeName));
XAttribute pathAttr = includeElement.Attribute(XName.Get(DocumentationCommentXmlNames.PathAttributeName));
string filePathValue = fileAttr.Value;
string xpathValue = pathAttr.Value;
if (diagnose)
{
diagnostics.Add(ErrorCode.WRN_FailedInclude, location, filePathValue, xpathValue, CSharpResources.OperationCausedStackOverflow);
}
// TODO: use culture from compilation instead of invariant culture?
commentMessage = ErrorFacts.GetMessage(MessageID.IDS_XMLNOINCLUDE, CultureInfo.InvariantCulture);
// Don't inspect the children - we're already in a cycle.
return(new XNode[] { new XComment(commentMessage), includeElement.Copy(copyAttributeAnnotations: false) });
}
DiagnosticBag includeDiagnostics = DiagnosticBag.GetInstance();
try
{
XAttribute fileAttr = includeElement.Attribute(XName.Get(DocumentationCommentXmlNames.FileAttributeName));
XAttribute pathAttr = includeElement.Attribute(XName.Get(DocumentationCommentXmlNames.PathAttributeName));
bool hasFileAttribute = fileAttr != null;
bool hasPathAttribute = pathAttr != null;
if (!hasFileAttribute || !hasPathAttribute)
{
var subMessage = hasFileAttribute ? MessageID.IDS_XMLMISSINGINCLUDEPATH.Localize() : MessageID.IDS_XMLMISSINGINCLUDEFILE.Localize();
includeDiagnostics.Add(ErrorCode.WRN_InvalidInclude, location, subMessage);
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLBADINCLUDE);
return(null);
}
string xpathValue = pathAttr.Value;
string filePathValue = fileAttr.Value;
var resolver = compilation.Options.XmlReferenceResolver;
if (resolver == null)
{
includeDiagnostics.Add(ErrorCode.WRN_FailedInclude, location, filePathValue, xpathValue, CodeAnalysisResources.XmlReferencesNotSupported);
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLFAILEDINCLUDE);
return(null);
}
string resolvedFilePath = resolver.ResolveReference(filePathValue, currentXmlFilePath);
if (resolvedFilePath == null)
{
// NOTE: same behavior as IOException.
includeDiagnostics.Add(ErrorCode.WRN_FailedInclude, location, filePathValue, xpathValue, CodeAnalysisResources.FileNotFound);
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLFAILEDINCLUDE);
return(null);
}
if (includedFileCache == null)
{
includedFileCache = new DocumentationCommentIncludeCache(resolver);
}
try
{
XDocument doc;
try
{
doc = includedFileCache.GetOrMakeDocument(resolvedFilePath);
}
catch (IOException e)
{
// NOTE: same behavior as resolvedFilePath == null.
includeDiagnostics.Add(ErrorCode.WRN_FailedInclude, location, filePathValue, xpathValue, e.Message);
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLFAILEDINCLUDE);
return(null);
}
Debug.Assert(doc != null);
string errorMessage;
bool invalidXPath;
XElement[] loadedElements = XmlUtilities.TrySelectElements(doc, xpathValue, out errorMessage, out invalidXPath);
if (loadedElements == null)
{
includeDiagnostics.Add(ErrorCode.WRN_FailedInclude, location, filePathValue, xpathValue, errorMessage);
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLFAILEDINCLUDE);
if (invalidXPath)
{
// leave the include node as is
return(null);
}
if (location.IsInSource)
{
// As in Dev11, return only the comment - drop the include element.
return(new XNode[] { new XComment(commentMessage) });
}
else
{
commentMessage = null;
return(SpecializedCollections.EmptyArray <XNode>());
}
}
if (loadedElements != null && loadedElements.Length > 0)
{
// change the current XML file path for nodes contained in the document:
XNode[] result = RewriteMany(loadedElements, resolvedFilePath, originatingSyntax);
// The elements could be rewritten away if they are includes that refer to invalid
// (but existing and accessible) XML files. If this occurs, behave as if we
// had failed to find any XPath results (as in Dev11).
if (result.Length > 0)
{
// NOTE: in this case, we do NOT visit the children of the include element -
// they are dropped.
commentMessage = null;
return(result);
}
}
commentMessage = MakeCommentMessage(location, MessageID.IDS_XMLNOINCLUDE);
return(null);
}
catch (XmlException e)
{
// NOTE: invalid XML is handled differently from other errors - we don't include the include element
// in the results and the location is in the included (vs includING) file.
Location errorLocation = XmlLocation.Create(e, resolvedFilePath);
includeDiagnostics.Add(ErrorCode.WRN_XMLParseIncludeError, errorLocation, GetDescription(e)); //NOTE: location is in included file.
if (location.IsInSource)
{
commentMessage = string.Format(ErrorFacts.GetMessage(MessageID.IDS_XMLIGNORED2, CultureInfo.InvariantCulture), resolvedFilePath);
// As in Dev11, return only the comment - drop the include element.
return(new XNode[] { new XComment(commentMessage) });
}
else
{
commentMessage = null;
return(SpecializedCollections.EmptyArray <XNode>());
}
}
}
finally
{
if (diagnose)
{
diagnostics.AddRange(includeDiagnostics);
}
includeDiagnostics.Free();
LeaveIncludeElement(location);
}
}
// Construct a list with no sequence points.
private SequencePointList()
{
_points = SpecializedCollections.EmptyArray <OffsetAndSpan>();
}
// Create a copy of this instance with a WarningAsError flag
internal virtual DiagnosticInfo GetInstanceWithReportWarning(bool isWarningAsError)
{
return(new DiagnosticInfo(this.messageProvider, isWarningAsError, this.errorCode, this.arguments == null ? SpecializedCollections.EmptyArray <object>() : this.arguments));
}
public static int Main(string[] args) => Main(args, SpecializedCollections.EmptyArray <string>());
internal SyntaxAnnotation[] GetAnnotations()
{
SyntaxAnnotation[] annotations;
annotationsTable.TryGetValue(this, out annotations);
return(annotations ?? SpecializedCollections.EmptyArray <SyntaxAnnotation>());
}
public static Task <ChecksumCollection> GetOrCreateEmptyChecksumCollection(Serializer serializer, string kind)
{
var map = s_emptyChecksumCollectionTaskCache.GetValue(serializer, s_emptyChecksumCollectionCallback);
Task <ChecksumCollection> task;
if (map.TryGetValue(kind, out task))
{
return(task);
}
return(map.GetOrAdd(kind, _ => Task.FromResult(new ChecksumCollection(serializer, kind, SpecializedCollections.EmptyArray <object>()))));
}
internal CSDiagnosticInfo(ErrorCode code)
: this(code, SpecializedCollections.EmptyArray <object>(), ImmutableArray <Symbol> .Empty, ImmutableArray <Location> .Empty)
{
}