public void IncrementalParsingIsSameAsFullParsing_MiddleEdits()
{
var lines = Xml.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
var middle = string.Join(Environment.NewLine, lines.Skip(2).Take(lines.Length - 3));
var delta = lines[0].Length + lines[1].Length + 2 * Environment.NewLine.Length;
XmlDocumentSyntax previousDocument = null;
for (int i = 1; i <= middle.Length; i++)
{
var currentText =
lines[0] + Environment.NewLine
+ lines[1] + Environment.NewLine
+ middle.Substring(0, i) + Environment.NewLine
+ lines.Last();
var full = Parser.ParseText(currentText);
var incremental = Parser.ParseIncremental(
currentText,
new[] { new TextChangeRange(new TextSpan(delta + i - 1, 0), 1) },
previousDocument
);
AssertSameNodes(full, incremental);
previousDocument = incremental;
}
}
protected virtual void AnnotateFile(
AnalysisServices services,
RepoFile file,
XmlSourceFileBuilder binder,
XmlDocumentSyntax document)
{
}
public void CanCompleteAttribute(string testFileName, int line, int column, string expectedElementName, PaddingType expectedPadding)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation location = locator.Inspect(testPosition);
Assert.NotNull(location);
XSPath elementPath = XSPath.Parse(expectedElementName);
XSElement element;
XSAttribute replaceAttribute;
PaddingType needsPadding;
Assert.True(
location.CanCompleteAttribute(out element, out replaceAttribute, out needsPadding, onElementWithPath: elementPath),
"CanCompleteAttribute"
);
Assert.NotNull(element);
Assert.Null(replaceAttribute);
Assert.Equal(expectedPadding, needsPadding);
}
public void InEmptyElementName(string testFileName, int line, int column, string expectedElementName)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation result = locator.Inspect(testPosition);
Assert.NotNull(result);
Assert.Equal(XSNodeKind.Element, result.Node.Kind);
Assert.True(result.IsElement(), "IsElement");
XSElement element = (XSElement)result.Node;
Assert.Equal(expectedElementName, element.Name);
Assert.True(result.IsEmptyElement(), "IsEmptyElement");
Assert.True(result.IsName(), "IsName");
Assert.False(result.IsElementContent(), "IsElementContent");
// TODO: Verify Parent, PreviousSibling, and NextSibling.
}
void NodeRange(string testFileName, int index, int startLine, int startColumn, int endLine, int endColumn)
{
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions xmlPositions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
List <XSNode> nodes = xmlDocument.GetSemanticModel(xmlPositions);
Assert.NotNull(nodes);
Assert.InRange(index, 0, nodes.Count - 1);
XSNode node = nodes[index];
Assert.NotNull(node);
TestOutput.WriteLine("Node {0} at {1} is {2}.",
index,
node.Range,
node.Kind
);
Range expectedRange = new Range(
start: new Position(startLine, startColumn),
end: new Position(endLine, endColumn)
);
Assert.Equal(expectedRange, node.Range);
}
public void InsideElement1(string testFileName, int line, int column)
{
// TODO: Change this test to use XmlLocator.
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
int absolutePosition = positions.GetAbsolutePosition(testPosition) - 1; // To find out if we can insert an element, make sure we find the node at the position ONE BEFORE the insertion point!
SyntaxNode foundNode = xmlDocument.FindNode(absolutePosition,
descendIntoChildren: node => true
);
Assert.NotNull(foundNode);
Assert.IsAssignableFrom <SyntaxList>(foundNode);
SyntaxList list = (SyntaxList)foundNode;
Range listSpan = list.Span.ToNative(positions);
Assert.True(
listSpan.Contains(testPosition),
"List's span must contain the test position."
);
}
public void InvalidElementRange(string testFileName, int nodeIndex, string elementName, int startLine, int startColumn, int endLine, int endColumn)
{
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions xmlPositions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
List <XSNode> nodes = xmlDocument.GetSemanticModel(xmlPositions);
Assert.NotNull(nodes);
XSNode targetNode = nodes[nodeIndex];
Assert.NotNull(targetNode);
Assert.IsAssignableFrom <XSElement>(targetNode);
XSElement targetElement = (XSElement)targetNode;
Assert.Equal(elementName, targetElement.Name);
Assert.False(targetElement.IsValid, "IsValid");
Range expectedRange = new Range(
start: new Position(startLine, startColumn),
end: new Position(endLine, endColumn)
);
Assert.Equal(expectedRange, targetElement.Range);
}
public static XmlDocumentSyntax Analyze(BoundSourceFileBuilder binder)
{
var text = binder.SourceFile.Content;
XmlDocumentSyntax parsedXml = Parser.ParseText(text);
Classify(binder, parsedXml);
return(parsedXml);
}
protected override void AnnotateFile(
AnalysisServices services,
RepoFile file,
XmlSourceFileBuilder binder,
XmlDocumentSyntax document)
{
Analyze(services, file, binder, document);
}
void NodeCount(string testFileName, int expectedNodeCount)
{
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions xmlPositions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
List <XSNode> nodes = xmlDocument.GetSemanticModel(xmlPositions);
Assert.NotNull(nodes);
Assert.Equal(expectedNodeCount, nodes.Count);
}
private static void Classify(BoundSourceFileBuilder binder, XmlDocumentSyntax parsedXml)
{
ClassifierVisitor.Visit(parsedXml, 0, parsedXml.FullWidth, (start, length, node, classification) =>
{
var leadingTriviaWidth = node.GetLeadingTriviaWidth();
var trailingTriviaWidth = node.GetTrailingTriviaWidth();
start += leadingTriviaWidth;
length -= (leadingTriviaWidth + trailingTriviaWidth);
binder.AnnotateClassification(start, length, ClassificationTypeNamesLookup[(int)classification]);
});
}
public void IncrementalParsingIsSameAsFullParsing()
{
XmlDocumentSyntax previousDocument = null;
for (int i = 1; i <= Xml.Length; i++)
{
var currentText = Xml.Substring(0, i);
var full = Parser.ParseText(currentText);
var incremental = Parser.ParseIncremental(
currentText,
new[] { new TextChangeRange(new TextSpan(currentText.Length - 1, 0), 1) },
previousDocument
);
AssertSameNodes(full, incremental);
previousDocument = incremental;
}
}
public void IncrementalParsingIsSameAsFullParsing_MultipleConcurrentEdits()
{
int[] FindAllIndexes(string str, string needle)
{
var result = new List <int>();
var foundIndex = 0;
var startSearchAt = 0;
while ((foundIndex = str.IndexOf(needle, startSearchAt)) != -1)
{
result.Add(foundIndex);
startSearchAt = foundIndex + needle.Length;
}
return(result.ToArray());
}
const string AttributeName = "sameLengthAttributeName";
var attrIndexes = FindAllIndexes(Xml2, AttributeName);
XmlDocumentSyntax previousDocument = null;
for (int i = 1; i <= AttributeName.Length; i++)
{
var currentText = Xml2;
var changes = new List <TextChangeRange>();
// Reconstruct the intermediary attributes
for (int j = attrIndexes.Length - 1; j >= 0; j--)
{
currentText = currentText.Remove(attrIndexes[j], AttributeName.Length);
currentText = currentText.Insert(attrIndexes[j], AttributeName.Substring(0, i));
changes.Add(new TextChangeRange(new TextSpan(attrIndexes[j] + i - 1 - j * (AttributeName.Length - i), 0), 1));
}
changes.Reverse();
// All changes should map to the same letter
Assert.All(changes, c => Assert.Equal(currentText[c.Span.Start], currentText[changes[0].Span.Start]));
var full = Parser.ParseText(currentText);
var incremental = Parser.ParseIncremental(
currentText,
changes.ToArray(),
previousDocument
);
AssertSameNodes(full, incremental);
previousDocument = incremental;
}
}
void NodeKind(string testFileName, int index, XSNodeKind nodeKind)
{
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions xmlPositions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
List <XSNode> nodes = xmlDocument.GetSemanticModel(xmlPositions);
Assert.NotNull(nodes);
Assert.InRange(index, 0, nodes.Count - 1);
XSNode node = nodes[index];
Assert.NotNull(node);
Assert.Equal(nodeKind, node.Kind);
}
public void CanCompleteElement(string testFileName, int line, int column)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation location = locator.Inspect(testPosition);
Assert.NotNull(location);
XSElement replacingElement;
Assert.True(location.CanCompleteElement(out replacingElement), "CanCompleteElement");
Assert.NotNull(replacingElement);
}
private IEnumerable <Diagnostic> ValidateTemplatedValues(XmlDocumentSyntax syntaxTree, TextPositions textPositions)
{
foreach (var node in syntaxTree.DescendantNodesAndSelf().OfType <XmlTextSyntax>())
{
if (!TemplatedValues.Any(x => node.Value.Contains(x, StringComparison.OrdinalIgnoreCase)))
{
continue;
}
var range = textPositions.GetRange(node.Start, node.End);
yield return(new Diagnostic {
Message = "Templated value which should be removed",
Severity = DiagnosticSeverity.Error,
Range = range
});
}
}
internal static string ParseChallenge(string xml)
{
XmlDocumentSyntax root = Parser.ParseText(xml);
string base64Info = string.Empty;
foreach (IXmlElement node in root.Elements)
{
if (node.Name == "challenge")
{
base64Info = node.Value;
}
}
byte[] uniqDataB = new byte[1024];
uniqDataB = Convert.FromBase64String(base64Info);
return(Encoding.Default.GetString(uniqDataB));
}
/// <summary>
/// Parse the syntax model to derive a semantic model.
/// </summary>
/// <param name="document">
/// The <see cref="XmlDocumentSyntax"/> to parse.
/// </param>
/// <param name="xmlPositions">
/// The lookup for document positions.
/// </param>
/// <returns>
/// A list of <see cref="XSNode"/>s, sorted by <see cref="XSNode.Range"/>.
/// </returns>
public static List <XSNode> GetSemanticModel(this XmlDocumentSyntax document, TextPositions xmlPositions)
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (xmlPositions == null)
{
throw new ArgumentNullException(nameof(xmlPositions));
}
XSParserVisitor parserVisitor = new XSParserVisitor(xmlPositions);
parserVisitor.Visit(document);
parserVisitor.FinaliseModel();
return(parserVisitor.DiscoveredNodes);
}
/// <summary>
/// Visit an <see cref="XmlDocumentSyntax"/>.
/// </summary>
/// <param name="document">
/// The <see cref="XmlDocumentSyntax"/>.
/// </param>
/// <returns>
/// The <see cref="XmlDocumentSyntax"/> (unchanged).
/// </returns>
public override SyntaxNode VisitXmlDocument(XmlDocumentSyntax document)
{
XmlElementSyntaxBase root = document.Root as XmlElementSyntaxBase;
if (root == null)
{
return(document);
}
if (root is XmlElementSyntax rootElement && rootElement.StartTag == null)
{
root = rootElement.Elements.FirstOrDefault() as XmlElementSyntaxBase;
}
if (root != null)
{
Visit(root);
}
return(document);
}
public void InAttributeValue(string testFileName, int line, int column, string expectedAttributeName)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation result = locator.Inspect(testPosition);
Assert.NotNull(result);
XSAttribute attribute;
Assert.True(result.IsAttribute(out attribute), "IsAttribute");
Assert.True(result.IsAttributeValue(), "IsAttributeValue");
Assert.Equal(expectedAttributeName, attribute.Name);
// TODO: Verify Parent, PreviousSibling, and NextSibling.
}
void ElementAttributesRange(string testFileName, string elementName, int startLine, int startColumn, int endLine, int endColumn)
{
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions xmlPositions = new TextPositions(testXml);
XmlDocumentSyntax xmlDocument = Parser.ParseText(testXml);
List <XSNode> nodes = xmlDocument.GetSemanticModel(xmlPositions);
Assert.NotNull(nodes);
XSNode targetNode = nodes.Find(node => node.Name == elementName);
Assert.NotNull(targetNode);
Assert.IsAssignableFrom <XSElement>(targetNode);
XSElement targetElement = (XSElement)targetNode;
Range expectedRange = new Range(
start: new Position(startLine, startColumn),
end: new Position(endLine, endColumn)
);
Assert.Equal(expectedRange, targetElement.AttributesRange);
}
public void IsExpression_Success(string testFileName, int line, int column, ExpressionKind expectedExpressionKind)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation location = locator.Inspect(testPosition);
Assert.NotNull(location);
ExpressionNode actualExpression;
Range actualExpressionRange;
Assert.True(
location.IsExpression(out actualExpression, out actualExpressionRange),
"IsExpression"
);
Assert.NotNull(actualExpression);
Assert.Equal(expectedExpressionKind, actualExpression.Kind);
}
public void CanCompleteElementInParentWithRelativePath(string testFileName, int line, int column, string expectedParent)
{
Position testPosition = new Position(line, column);
string testXml = LoadTestFile("TestFiles", testFileName + ".xml");
TextPositions positions = new TextPositions(testXml);
XmlDocumentSyntax document = Parser.ParseText(testXml);
XmlLocator locator = new XmlLocator(document, positions);
XmlLocation location = locator.Inspect(testPosition);
Assert.NotNull(location);
XSPath expectedParentPath = XSPath.Parse(expectedParent);
XSElement replaceElement;
Assert.True(
location.CanCompleteElement(out replaceElement, parentPath: expectedParentPath),
"CanCompleteElement"
);
Assert.NotNull(replaceElement);
Assert.Equal(expectedParent, replaceElement.ParentElement?.Name);
}
/// <summary>
/// Create a new <see cref="XmlLocator"/>.
/// </summary>
/// <param name="document">
/// The underlying XML document.
/// </param>
/// <param name="documentPositions">
/// The position-lookup for the underlying XML document text.
/// </param>
public XmlLocator(XmlDocumentSyntax document, TextPositions documentPositions)
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (documentPositions == null)
{
throw new ArgumentNullException(nameof(documentPositions));
}
_documentPositions = documentPositions;
List <XSNode> allNodes = document.GetSemanticModel(_documentPositions);
foreach (XSNode node in allNodes)
{
_nodeRanges.Add(node.Range);
_nodesByStartPosition.Add(node.Range.Start, node);
}
_nodeRanges.Sort();
}
private void AnalyzeEvaluation(
AnalysisServices services,
RepoFile file,
XmlSourceFileBuilder binder,
XmlDocumentSyntax document)
{
var repo = file.PrimaryProject.Repo;
using (var scope = GetProjectCollectionScope())
{
try
{
Project project = new Project(file.FilePath, null, "Current", scope.Collection,
ProjectLoadSettings.IgnoreMissingImports | ProjectLoadSettings.RecordDuplicateButNotCircularImports);
foreach (var item in project.ItemsIgnoringCondition)
{
if (item.IsImported || item.Xml?.IncludeLocation == null)
{
continue;
}
RepoFile otherRepoFile = null;
try
{
var fullPath = item.GetMetadataValue("FullPath");
otherRepoFile = repo.TryGetFile(fullPath);
}
catch
{
}
if (otherRepoFile == null)
{
continue;
}
var location = item.Xml.IncludeLocation;
var itemIncludeAttribute = binder
.TryGetElement(location.Line - 1, location.Column - 1)?
.Attribute("Include");
binder.AddAttributeNameReferences(itemIncludeAttribute,
BoundSourceFileBuilder.CreateFileReferenceSymbol(
otherRepoFile.LogicalPath,
otherRepoFile.PrimaryProject.ProjectId));
}
foreach (var import in project.ImportsIncludingDuplicates)
{
if (import.IsImported || import.ImportingElement == null)
{
continue;
}
var fullPath = import.ImportedProject.FullPath;
RepoFile otherRepoFile = repo.TryGetFile(fullPath);
if (otherRepoFile == null && fullPath != null)
{
if (!AddImports)
{
continue;
}
lock (MSBuildSharedProject)
{
otherRepoFile = MSBuildSharedProject.AddFile(fullPath);
// The file is marked with explicit in this lock so we can
// use that to know whether another thread has added the file already
// and we can skip redundant analysis here
if (otherRepoFile.HasExplicitAnalyzer)
{
continue;
}
otherRepoFile.Analyzer = this;
otherRepoFile.HasExplicitAnalyzer = true;
Placeholder.NotImplemented("Normalize imports to remove any references to repo specific files. Check if project is MSBuildSharedProject in order to determine if normalization is needed");
}
otherRepoFile.Analyze();
}
var location = import.ImportingElement.ProjectLocation;
var importProjectAttribute = binder
.TryGetElement(location.Line - 1, location.Column - 1)?
.Attribute("Project");
binder.AddAttributeNameReferences(importProjectAttribute,
BoundSourceFileBuilder.CreateFileReferenceSymbol(
otherRepoFile.LogicalPath,
otherRepoFile.PrimaryProject.ProjectId));
}
}
catch (Exception ex)
{
services.Logger.LogExceptionError($"Analyzing MSBuild file evaluation: {file.FilePath}", ex);
}
}
}
private void AnalyzeEvaluation(
AnalysisServices services,
RepoFile file,
XmlSourceFileBuilder binder,
XmlDocumentSyntax document)
{
var repo = file.PrimaryProject.Repo;
using (var scope = GetProjectCollectionScope())
{
try
{
Project project = new Project(file.FilePath, null, null, scope.Collection,
ProjectLoadSettings.IgnoreMissingImports | ProjectLoadSettings.RecordDuplicateButNotCircularImports);
foreach (var item in project.ItemsIgnoringCondition)
{
if (item.IsImported || item.Xml?.IncludeLocation == null)
{
continue;
}
RepoFile otherRepoFile = null;
try
{
var fullPath = item.GetMetadataValue("FullPath");
otherRepoFile = repo.TryGetFile(fullPath);
}
catch
{
}
if (otherRepoFile == null)
{
continue;
}
var location = item.Xml.IncludeLocation;
var itemIncludeAttribute = binder
.TryGetElement(location.Line - 1, location.Column - 1)?
.Attribute("Include");
binder.AddAttributeNameReferences(itemIncludeAttribute,
BoundSourceFileBuilder.CreateFileReferenceSymbol(
otherRepoFile.LogicalPath,
otherRepoFile.PrimaryProject.ProjectId));
}
foreach (var import in project.ImportsIncludingDuplicates)
{
if (import.IsImported || import.ImportingElement == null)
{
continue;
}
var fullPath = import.ImportedProject.FullPath;
RepoFile otherRepoFile = repo.TryGetFile(fullPath);
if (otherRepoFile == null && fullPath != null)
{
if (!AddImports)
{
continue;
}
lock (MSBuildSharedProject)
{
otherRepoFile = MSBuildSharedProject.AddFile(fullPath);
}
otherRepoFile.IsSingleton = true;
otherRepoFile.Analyze();
}
var location = import.ImportingElement.ProjectLocation;
var importProjectAttribute = binder
.TryGetElement(location.Line - 1, location.Column - 1)?
.Attribute("Project");
binder.AddAttributeNameReferences(importProjectAttribute,
BoundSourceFileBuilder.CreateFileReferenceSymbol(
otherRepoFile.LogicalPath,
otherRepoFile.PrimaryProject.ProjectId));
}
}
catch (Exception ex)
{
services.Logger.LogExceptionError($"Analyzing MSBuild file evaluation: {file.FilePath}", ex);
}
}
}
public void Analyze(
AnalysisServices services,
RepoFile file,
XmlSourceFileBuilder binder,
XmlDocumentSyntax document)
{
IXmlElement root = document.Root;
// corrupt or invalid or empty XML
if (root == null)
{
return;
}
if (root.Name == null && root.Elements.Count() == 1)
{
root = root.Elements.First();
}
if (root.Name != "Project")
{
return;
}
ExpressionProcessor targetListProcessor = ProcessSemicolonSeparatedTargetList;
AnalyzeEvaluation(services, file, binder, document);
AnalyzePropertiesAndItems(binder, root);
AnalyzeChoose(binder, root);
foreach (var element in root.Elements("UsingTask"))
{
binder.AddReferences(element.Attribute("Condition").GetAttributeValueExpressionSpans());
var taskName = element["TaskName"];
if (taskName != null)
{
string shortName = taskName;
string containerName = null;
int lastDot = taskName.LastIndexOf(".");
if (lastDot > -1)
{
containerName = taskName.Substring(0, lastDot);
shortName = taskName.Substring(lastDot + 1);
}
binder.AddAttributeValueDefinition(element.Attribute("TaskName"),
new DefinitionSymbol()
{
DisplayName = taskName,
ShortName = shortName,
ContainerQualifiedName = containerName,
Id = GetTaskSymbolId(shortName),
Kind = nameof(SymbolKinds.MSBuildTask),
ProjectId = MSBuildExtensions.MSBuildProjectId,
ReferenceKind = nameof(ReferenceKind.Definition),
});
}
foreach (var outputElement in element.Elements("Output"))
{
foreach (var attribute in outputElement.AsSyntaxElement.Attributes)
{
if (attribute.Name == "ItemName")
{
binder.AddAttributeValueReferences(attribute,
CreateItemReference(attribute.Value));
}
else if (attribute.Name == "PropertyName")
{
binder.AddAttributeValueReferences(attribute,
CreatePropertyReference(attribute.Value));
}
}
}
}
foreach (var import in root.Elements("Import"))
{
AnalyzeImport(binder, import);
}
foreach (var importGroup in root.Elements("ImportGroup"))
{
binder.AddReferences(importGroup.Attribute("Condition").GetAttributeValueExpressionSpans());
foreach (var import in importGroup.Elements("Import"))
{
AnalyzeImport(binder, import);
}
}
foreach (var target in root.Elements("Target"))
{
var targetName = target["Name"];
binder.AddAttributeValueDefinition(target.Attribute("Name"), CreateTargetDefinition(targetName));
binder.AddReferences(target.Attribute("Condition").GetAttributeValueExpressionSpans());
binder.AddReferences(target.Attribute("DependsOnTargets").GetAttributeValueExpressionSpans(targetListProcessor));
binder.AddReferences(target.Attribute("Inputs").GetAttributeValueExpressionSpans());
binder.AddReferences(target.Attribute("Outputs").GetAttributeValueExpressionSpans());
binder.AddReferences(target.Attribute("BeforeTargets").GetAttributeValueExpressionSpans(targetListProcessor));
binder.AddReferences(target.Attribute("AfterTargets").GetAttributeValueExpressionSpans(targetListProcessor));
foreach (var taskElement in target.Elements.Where(el => el.Name != "PropertyGroup" && el.Name != "ItemGroup"))
{
binder.AddElementNameReferences(taskElement,
new ReferenceSymbol()
{
Id = GetTaskSymbolId(taskElement.Name),
Kind = nameof(SymbolKinds.MSBuildTask),
ProjectId = MSBuildExtensions.MSBuildProjectId,
ReferenceKind = nameof(ReferenceKind.Reference),
});
// NOTE: Also parses condition attribute
foreach (var taskParameterAttribute in taskElement.AsSyntaxElement.Attributes)
{
binder.AddReferences(taskParameterAttribute.GetAttributeValueExpressionSpans());
}
foreach (var output in taskElement.Elements("Output"))
{
binder.AddReferences(output.Attribute("Condition").GetAttributeValueExpressionSpans());
var propertyNameAttribute = output.Attribute("PropertyName");
if (propertyNameAttribute != null)
{
binder.AddAttributeValueReferences(propertyNameAttribute,
CreatePropertyReference(propertyNameAttribute.Value));
}
var itemNameAttribute = output.Attribute("ItemName");
if (itemNameAttribute != null)
{
binder.AddAttributeValueReferences(itemNameAttribute,
CreateItemReference(itemNameAttribute.Value));
}
}
}
AnalyzePropertiesAndItems(binder, target);
}
}
/// <summary>
/// Returns the URL of the file that contains the definition of the item at the current position
/// </summary>
/// <param name="filePath">Current file</param>
/// <param name="sourceText">Text in the current file</param>
/// <param name="position">Position of item that is to be resolved</param>
/// <returns></returns>
public List <Definition> ResolveDefinition(string filePath, string sourceText, int position)
{
Verify.NotDisposed(this);
List <Definition> definitions = new List <Definition>();
if (_project != null)
{
XmlDocumentSyntax root = Parser.ParseText(sourceText);
SyntaxNode syntaxNode = SyntaxLocator.FindNode(root, position);
// Resolves Definition for properties e.g. $(foo)
if (syntaxNode.Kind == SyntaxKind.XmlTextLiteralToken && Utilities.IsProperty(sourceText.Substring(syntaxNode.Span.Start, syntaxNode.FullWidth), position - syntaxNode.Span.Start, out string propertyName))
{
foreach (ProjectProperty property in _project.Properties)
{
if (property.Name == propertyName)
{
ProjectProperty currentProperty = property;
while (currentProperty.Predecessor != null)
{
if (currentProperty.Xml?.Location != null)
{
ElementLocation location = currentProperty.Xml.Location;
definitions.Add(new Definition(location.File, Path.GetFileNameWithoutExtension(_project.Xml.Location.File), currentProperty.Name + " Definitions", currentProperty.EvaluatedValue, location.Line, location.Column));
}
currentProperty = currentProperty.Predecessor;
}
if (currentProperty.Xml?.Location != null)
{
ElementLocation lastLocation = currentProperty.Xml.Location;
definitions.Add(new Definition(lastLocation.File, Path.GetFileNameWithoutExtension(_project.Xml.Location.File), currentProperty.Name + " Definitions", currentProperty.EvaluatedValue, lastLocation.Line, lastLocation.Column));
}
break;
}
}
}
// Resolves Definition for regular imports
else if (syntaxNode.ParentElement != null && syntaxNode.ParentElement.Name.Equals(SyntaxNames.Import))
{
while (syntaxNode.Parent.ParentElement == syntaxNode.ParentElement)
{
syntaxNode = syntaxNode.Parent;
}
int nodeStart = syntaxNode.Parent.Span.Start;
int col = nodeStart - Utilities.GetStartOfLine(sourceText, nodeStart) + 1;
int line = Utilities.GetLine(sourceText, nodeStart) + 1;
foreach (ResolvedImport import in _project.Imports)
{
ElementLocation location = import.ImportingElement.Location;
if (location.File == filePath && col == location.Column && line == location.Line)
{
definitions.Add(new Definition(import.ImportedProject.FullPath, Path.GetFileNameWithoutExtension(_project.Xml.Location.File), "Imported Files", Path.GetFileName(import.ImportedProject.FullPath)));
}
}
}
// Resolves Definition for the project's sdk
else if (syntaxNode.ParentElement != null && syntaxNode.ParentElement.Name.Equals(SyntaxNames.Project))
{
bool foundSdk = false;
for (int i = 0; i < 3; i++)
{
if (sourceText.Substring(syntaxNode.Start, 3).Equals(SyntaxNames.Sdk))
{
foundSdk = true;
break;
}
syntaxNode = syntaxNode.Parent;
}
if (foundSdk)
{
foreach (ResolvedImport import in _project.Imports)
{
ElementLocation location = import.ImportingElement.Location;
if (location.File == filePath && 0 == location.Column && 0 == location.Line)
{
definitions.Add(new Definition(import.ImportedProject.FullPath, Path.GetFileNameWithoutExtension(_project.Xml.Location.File), "Sdk Imports", Path.GetFileName(import.ImportedProject.FullPath)));
}
}
}
}
}
return(definitions);
}