public int GetMemberNavigationPoint(string pszClassName, string pszUniqueMemberID, TextSpan[] pSpanNavPoint, out uint pItemID)
{
uint itemId = 0;
TextSpan textSpan = default(TextSpan);
var succeeded = false;
var waitIndicator = this.ComponentModel.GetService <IWaitIndicator>();
waitIndicator.Wait(
"Intellisense",
allowCancel: false,
action: c =>
{
Document targetDocument;
if (ContainedLanguageCodeSupport.TryGetMemberNavigationPoint(GetThisDocument(), pszClassName, pszUniqueMemberID, out textSpan, out targetDocument, c.CancellationToken))
{
succeeded = true;
itemId = this.ContainedDocument.FindItemIdOfDocument(targetDocument);
}
});
pItemID = itemId;
pSpanNavPoint[0] = textSpan;
return(succeeded ? VSConstants.S_OK : VSConstants.E_FAIL);
}
private DiagnosticData CreateDocumentDiagnosticItem(ExternalError error)
{
var hostProject = _workspace.GetHostProject(_projectId);
if (!hostProject.ContainsFile(error.bstrFileName))
{
return(null);
}
var hostDocument = hostProject.GetCurrentDocumentFromPath(error.bstrFileName);
var line = error.iLine;
var column = error.iCol;
if (hostDocument is ContainedDocument containedDocument)
{
var span = new VsTextSpan
{
iStartLine = line,
iStartIndex = column,
iEndLine = line,
iEndIndex = column,
};
var spans = new VsTextSpan[1];
Marshal.ThrowExceptionForHR(containedDocument.ContainedLanguage.BufferCoordinator.MapPrimaryToSecondarySpan(
span,
spans));
line = spans[0].iStartLine;
column = spans[0].iStartIndex;
}
return(GetDiagnosticData(error, hostDocument.Id, line, column));
}
private bool NavigateTo(ITextBuffer textBuffer, VsTextSpan vsTextSpan)
{
using (Logger.LogBlock(FunctionId.NavigationService_VSDocumentNavigationService_NavigateTo, CancellationToken.None))
{
var vsTextBuffer = _editorAdaptersFactoryService.GetBufferAdapter(textBuffer);
if (vsTextBuffer == null)
{
Debug.Fail("Could not get IVsTextBuffer for document!");
return false;
}
var textManager = (IVsTextManager2)_serviceProvider.GetService(typeof(SVsTextManager));
if (textManager == null)
{
Debug.Fail("Could not get IVsTextManager service!");
return false;
}
return ErrorHandler.Succeeded(
textManager.NavigateToLineAndColumn2(
vsTextBuffer,
VSConstants.LOGVIEWID.TextView_guid,
vsTextSpan.iStartLine,
vsTextSpan.iStartIndex,
vsTextSpan.iEndLine,
vsTextSpan.iEndIndex,
(uint)_VIEWFRAMETYPE.vftCodeWindow));
}
}
/// <returns>The tracking span of the inserted "/**/" if there is an $end$ location, null
/// otherwise.</returns>
protected override ITrackingSpan InsertEmptyCommentAndGetEndPositionTrackingSpan()
{
VsTextSpan[] endSpanInSurfaceBuffer = new VsTextSpan[1];
if (ExpansionSession.GetEndSpan(endSpanInSurfaceBuffer) != VSConstants.S_OK)
{
return(null);
}
SnapshotSpan subjectBufferEndSpan;
if (!TryGetSubjectBufferSpan(endSpanInSurfaceBuffer[0], out subjectBufferEndSpan))
{
return(null);
}
var endPosition = subjectBufferEndSpan.Start.Position;
string commentString = "/**/";
SubjectBuffer.Insert(endPosition, commentString);
var commentSpan = new Span(endPosition, commentString.Length);
return(SubjectBuffer.CurrentSnapshot.CreateTrackingSpan(commentSpan, SpanTrackingMode.EdgeExclusive));
}
public virtual bool TryInsertExpansion(int startPositionInSubjectBuffer, int endPositionInSubjectBuffer)
{
int startLine = 0;
int startIndex = 0;
int endLine = 0;
int endIndex = 0;
// The expansion itself needs to be created in the surface buffer, so map everything up
var startPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(startPositionInSubjectBuffer);
var endPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(endPositionInSubjectBuffer);
SnapshotSpan surfaceBufferSpan;
if (!TryGetSurfaceBufferSpan(SubjectBuffer.CurrentSnapshot.GetSpan(startPositionInSubjectBuffer, endPositionInSubjectBuffer - startPositionInSubjectBuffer), out surfaceBufferSpan))
{
return(false);
}
var buffer = EditorAdaptersFactoryService.GetBufferAdapter(TextView.TextBuffer);
buffer.GetLineIndexOfPosition(surfaceBufferSpan.Start.Position, out startLine, out startIndex);
buffer.GetLineIndexOfPosition(surfaceBufferSpan.End.Position, out endLine, out endIndex);
var textSpan = new VsTextSpan
{
iStartLine = startLine,
iStartIndex = startIndex,
iEndLine = endLine,
iEndIndex = endIndex
};
var expansion = buffer as IVsExpansion;
return(expansion.InsertExpansion(textSpan, textSpan, this, LanguageServiceGuid, out ExpansionSession) == VSConstants.S_OK);
}
public static bool TryGetMemberNavigationPoint(
Document thisDocument,
string className,
string uniqueMemberID,
out VsTextSpan textSpan,
out Document targetDocument,
CancellationToken cancellationToken)
{
targetDocument = null;
textSpan = default(VsTextSpan);
var type = thisDocument.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult_Venus(cancellationToken).GetTypeByMetadataName(className);
var member = LookupMemberId(type, uniqueMemberID);
if (member == null)
{
return(false);
}
var codeModel = thisDocument.Project.LanguageServices.GetService <ICodeModelNavigationPointService>();
var memberNode = member.DeclaringSyntaxReferences.Select(r => r.GetSyntax(cancellationToken)).FirstOrDefault();
if (memberNode != null)
{
var navigationPoint = codeModel.GetStartPoint(memberNode, EnvDTE.vsCMPart.vsCMPartNavigate);
if (navigationPoint != null)
{
targetDocument = thisDocument.Project.Solution.GetDocument(memberNode.SyntaxTree);
textSpan = navigationPoint.Value.ToVsTextSpan();
return(true);
}
}
return(false);
}
public bool WouldNotifyToSpecificSymbol(ISymbol symbol, Solution solution, out string filePath, out int lineNumber, out int charOffset)
{
AssertIsForeground();
filePath = null;
lineNumber = 0;
charOffset = 0;
if (!TryGetNavigationAPIRequiredArguments(symbol, solution, out var hierarchy, out var itemID, out var navigationNotify, out var rqname))
{
return(false);
}
var navigateToTextSpan = new Microsoft.VisualStudio.TextManager.Interop.TextSpan[1];
int queryNavigateStatusCode = navigationNotify.QueryNavigateToSymbol(
hierarchy,
itemID,
rqname,
out var navigateToHierarchy,
out var navigateToItem,
navigateToTextSpan,
out var wouldNavigate);
if (queryNavigateStatusCode == VSConstants.S_OK && wouldNavigate == 1)
{
navigateToHierarchy.GetCanonicalName(navigateToItem, out filePath);
lineNumber = navigateToTextSpan[0].iStartLine;
charOffset = navigateToTextSpan[0].iStartIndex;
return(true);
}
return(false);
}
public bool WouldNotifyToSpecificSymbol(
DefinitionItem definitionItem,
string?rqName,
CancellationToken cancellationToken,
[NotNullWhen(true)] out string?filePath,
out int lineNumber,
out int charOffset
)
{
AssertIsForeground();
filePath = null;
lineNumber = 0;
charOffset = 0;
if (rqName == null)
{
return(false);
}
if (
!TryGetNavigationAPIRequiredArguments(
definitionItem,
rqName,
cancellationToken,
out var hierarchy,
out var itemID,
out var navigationNotify
)
)
{
return(false);
}
var navigateToTextSpan = new Microsoft.VisualStudio.TextManager.Interop.TextSpan[1];
var queryNavigateStatusCode = navigationNotify.QueryNavigateToSymbol(
hierarchy,
itemID,
rqName,
out var navigateToHierarchy,
out var navigateToItem,
navigateToTextSpan,
out var wouldNavigate
);
if (queryNavigateStatusCode == VSConstants.S_OK && wouldNavigate == 1)
{
navigateToHierarchy.GetCanonicalName(navigateToItem, out filePath);
lineNumber = navigateToTextSpan[0].iStartLine;
charOffset = navigateToTextSpan[0].iStartIndex;
return(true);
}
return(false);
}
public int ValidateBreakpointLocation(IVsTextBuffer pBuffer, int iLine, int iCol, TextSpan[] pCodeSpan)
{
var textBuffer = _editorAdaptersFactory.GetDataBuffer(pBuffer);
if (textBuffer == null)
{
// Can't resolve the text buffer, let someone else deal with this breakpoint.
return(VSConstants.E_NOTIMPL);
}
var snapshot = textBuffer.CurrentSnapshot;
if (!ValidBreakpointLocation(snapshot, iLine, iCol))
{
// The point disappeared between sessions. Do not allow a breakpoint here.
return(VSConstants.E_FAIL);
}
var dialogResult = _waitDialogFactory.TryCreateWaitDialog(
title: "Determining breakpoint location...",
message: "Razor Debugger",
async(context) =>
{
var breakpointRange = await _breakpointResolver.TryResolveBreakpointRangeAsync(textBuffer, iLine, iCol, context.CancellationToken);
if (breakpointRange == null)
{
// No applicable breakpoint location.
return(VSConstants.E_FAIL);
}
pCodeSpan[0] = new TextSpan()
{
iStartIndex = breakpointRange.Start.Character,
iStartLine = breakpointRange.Start.Line,
iEndIndex = breakpointRange.End.Character,
iEndLine = breakpointRange.End.Line,
};
return(VSConstants.S_OK);
});
if (dialogResult == null)
{
// Failed to create the dialog at all.
return(VSConstants.E_FAIL);
}
if (dialogResult.Cancelled)
{
return(VSConstants.E_FAIL);
}
return(dialogResult.Result);
}
// Test constructor
internal CSharpDebuggerIntelliSenseContext(
IWpfTextView view,
ITextBuffer contextBuffer,
TextSpan[] currentStatementSpan,
IComponentModel componentModel,
bool immediateWindow)
: base(view,
contextBuffer,
currentStatementSpan,
componentModel,
componentModel.GetService<IContentTypeRegistryService>().GetContentType(ContentTypeNames.CSharpContentType),
immediateWindow)
{
}
public virtual bool TryInsertExpansion(int startPositionInSubjectBuffer, int endPositionInSubjectBuffer)
{
var textViewModel = TextView.TextViewModel;
if (textViewModel == null)
{
Debug.Assert(TextView.IsClosed);
return(false);
}
int startLine = 0;
int startIndex = 0;
int endLine = 0;
int endIndex = 0;
// The expansion itself needs to be created in the data buffer, so map everything up
var startPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(startPositionInSubjectBuffer);
var endPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(endPositionInSubjectBuffer);
SnapshotSpan dataBufferSpan;
if (!TryGetSpanOnHigherBuffer(
SubjectBuffer.CurrentSnapshot.GetSpan(startPositionInSubjectBuffer, endPositionInSubjectBuffer - startPositionInSubjectBuffer),
textViewModel.DataBuffer,
out dataBufferSpan))
{
return(false);
}
var buffer = EditorAdaptersFactoryService.GetBufferAdapter(textViewModel.DataBuffer);
var expansion = buffer as IVsExpansion;
if (buffer == null || expansion == null)
{
return(false);
}
buffer.GetLineIndexOfPosition(dataBufferSpan.Start.Position, out startLine, out startIndex);
buffer.GetLineIndexOfPosition(dataBufferSpan.End.Position, out endLine, out endIndex);
var textSpan = new VsTextSpan
{
iStartLine = startLine,
iStartIndex = startIndex,
iEndLine = endLine,
iEndIndex = endIndex
};
return(expansion.InsertExpansion(textSpan, textSpan, this, LanguageServiceGuid, out ExpansionSession) == VSConstants.S_OK);
}
// Constructor for testing
protected AbstractDebuggerIntelliSenseContext(IWpfTextView wpfTextView,
ITextBuffer contextBuffer,
Microsoft.VisualStudio.TextManager.Interop.TextSpan[] currentStatementSpan,
IComponentModel componentModel,
IContentType contentType,
bool isImmediateWindow)
{
_textView = wpfTextView;
this.ContextBuffer = contextBuffer;
this.CurrentStatementSpan = currentStatementSpan[0];
_contentType = contentType;
this.ProjectionBufferFactoryService = componentModel.GetService <IProjectionBufferFactoryService>();
_bufferGraphFactoryService = componentModel.GetService <IBufferGraphFactoryService>();
_isImmediateWindow = isImmediateWindow;
}
// Constructor for testing
protected AbstractDebuggerIntelliSenseContext(IWpfTextView wpfTextView,
ITextBuffer contextBuffer,
Microsoft.VisualStudio.TextManager.Interop.TextSpan[] currentStatementSpan,
IComponentModel componentModel,
IContentType contentType,
bool isImmediateWindow)
{
_textView = wpfTextView;
this.ContextBuffer = contextBuffer;
this.CurrentStatementSpan = currentStatementSpan[0];
_contentType = contentType;
this.ProjectionBufferFactoryService = componentModel.GetService<IProjectionBufferFactoryService>();
_bufferGraphFactoryService = componentModel.GetService<IBufferGraphFactoryService>();
_isImmediateWindow = isImmediateWindow;
}
internal bool TryGetSubjectBufferSpan(VsTextSpan surfaceBufferTextSpan, out SnapshotSpan subjectBufferSpan)
{
var snapshotSpan = TextView.TextSnapshot.GetSpan(surfaceBufferTextSpan);
var subjectBufferSpanCollection = TextView.BufferGraph.MapDownToBuffer(snapshotSpan, SpanTrackingMode.EdgeExclusive, SubjectBuffer);
// Bail if a snippet span does not map down to exactly one subject buffer span.
if (subjectBufferSpanCollection.Count == 1)
{
subjectBufferSpan = subjectBufferSpanCollection.Single();
return(true);
}
subjectBufferSpan = default;
return(false);
}
public CSharpDebuggerIntelliSenseContext(
IWpfTextView view,
IVsTextView vsTextView,
IVsTextLines debuggerBuffer,
ITextBuffer contextBuffer,
TextSpan[] currentStatementSpan,
IComponentModel componentModel,
IServiceProvider serviceProvider)
: base(view,
vsTextView,
debuggerBuffer,
contextBuffer,
currentStatementSpan,
componentModel,
serviceProvider,
componentModel.GetService<IContentTypeRegistryService>().GetContentType(ContentTypeNames.CSharpContentType))
{
}
/// <summary>
/// If there was no $end$ token, place it at the end of the snippet code. Otherwise, it
/// defaults to the beginning of the snippet code.
/// </summary>
private static bool SetEndPositionIfNoneSpecified(IVsExpansionSession pSession)
{
XElement snippetNode;
if (!TryGetSnippetNode(pSession, out snippetNode))
{
return(false);
}
var ns = snippetNode.Name.NamespaceName;
var codeNode = snippetNode.Element(XName.Get("Code", ns));
if (codeNode == null)
{
return(false);
}
var delimiterAttribute = codeNode.Attribute("Delimiter");
var delimiter = delimiterAttribute != null ? delimiterAttribute.Value : "$";
if (codeNode.Value.IndexOf(string.Format("{0}end{0}", delimiter), StringComparison.OrdinalIgnoreCase) != -1)
{
return(false);
}
var snippetSpan = new VsTextSpan[1];
if (pSession.GetSnippetSpan(snippetSpan) != VSConstants.S_OK)
{
return(false);
}
var newEndSpan = new VsTextSpan
{
iStartLine = snippetSpan[0].iEndLine,
iStartIndex = snippetSpan[0].iEndIndex,
iEndLine = snippetSpan[0].iEndLine,
iEndIndex = snippetSpan[0].iEndIndex
};
pSession.SetEndSpan(newEndSpan);
return(true);
}
public int ValidateBreakpointLocation(IVsTextBuffer pBuffer, int iLine, int iCol, TextSpan[] pCodeSpan)
{
var textBuffer = _editorAdaptersFactory.GetDataBuffer(pBuffer);
if (textBuffer is null)
{
// Can't resolve the text buffer, let someone else deal with this breakpoint.
return(VSConstants.E_NOTIMPL);
}
var snapshot = textBuffer.CurrentSnapshot;
if (!ValidateLocation(snapshot, iLine, iCol))
{
// The point disappeared between sessions. Do not allow a breakpoint here.
return(VSConstants.E_FAIL);
}
var breakpointRange = _uiThreadOperationExecutor.Execute(
title: "Determining breakpoint location...",
description: "Razor Debugger",
allowCancellation: true,
showProgress: true,
(cancellationToken) => _breakpointResolver.TryResolveBreakpointRangeAsync(textBuffer, iLine, iCol, cancellationToken), _joinableTaskFactory);
if (breakpointRange is null)
{
// Failed to create the dialog at all or no applicable breakpoint location.
return(VSConstants.E_FAIL);
}
pCodeSpan[0] = new TextSpan()
{
iStartIndex = breakpointRange.Start.Character,
iStartLine = breakpointRange.Start.Line,
iEndIndex = breakpointRange.End.Character,
iEndLine = breakpointRange.End.Line,
};
return(VSConstants.S_OK);
}
public int GetMemberNavigationPoint(string pszClassName, string pszUniqueMemberID, TextSpan[] pSpanNavPoint, out uint pItemID)
{
uint itemId = 0;
TextSpan textSpan = default;
var succeeded = false;
var uiThreadOperationExecutor = ComponentModel.GetService <IUIThreadOperationExecutor>();
uiThreadOperationExecutor.Execute(
"Intellisense",
defaultDescription: "",
allowCancellation: false,
showProgress: false,
action: c =>
{
if (ContainedLanguageCodeSupport.TryGetMemberNavigationPoint(GetThisDocument(), GlobalOptions, pszClassName, pszUniqueMemberID, out textSpan, out var targetDocument, c.UserCancellationToken))
{
succeeded = true;
itemId = this.ContainedDocument.FindItemIdOfDocument(targetDocument);
}
});
/// <returns>The tracking span of the inserted "/**/" if there is an $end$ location, null
/// otherwise.</returns>
protected override ITrackingSpan InsertEmptyCommentAndGetEndPositionTrackingSpan()
{
VsTextSpan[] endSpanInSurfaceBuffer = new VsTextSpan[1];
if (ExpansionSession.GetEndSpan(endSpanInSurfaceBuffer) != VSConstants.S_OK)
{
return null;
}
if (!TryGetSubjectBufferSpan(endSpanInSurfaceBuffer[0], out var subjectBufferEndSpan))
{
return null;
}
var endPosition = subjectBufferEndSpan.Start.Position;
string commentString = "/**/";
SubjectBuffer.Insert(endPosition, commentString);
var commentSpan = new Span(endPosition, commentString.Length);
return SubjectBuffer.CurrentSnapshot.CreateTrackingSpan(commentSpan, SpanTrackingMode.EdgeExclusive);
}
public async Task <(string filePath, int lineNumber, int charOffset)?> WouldNotifyToSpecificSymbolAsync(
DefinitionItem definitionItem, string?rqName, CancellationToken cancellationToken)
{
if (rqName == null)
{
return(null);
}
var values = await TryGetNavigationAPIRequiredArgumentsAsync(
definitionItem, rqName, cancellationToken).ConfigureAwait(false);
if (values is not var(hierarchy, itemID, navigationNotify))
{
return(null);
}
var navigateToTextSpan = new Microsoft.VisualStudio.TextManager.Interop.TextSpan[1];
await this.ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var queryNavigateStatusCode = navigationNotify.QueryNavigateToSymbol(
hierarchy,
itemID,
rqName,
out var navigateToHierarchy,
out var navigateToItem,
navigateToTextSpan,
out var wouldNavigate);
if (queryNavigateStatusCode != VSConstants.S_OK || wouldNavigate != 1)
{
return(null);
}
navigateToHierarchy.GetCanonicalName(navigateToItem, out var filePath);
var lineNumber = navigateToTextSpan[0].iStartLine;
var charOffset = navigateToTextSpan[0].iStartIndex;
return(filePath, lineNumber, charOffset);
}
public bool WouldNotifyToSpecificSymbol(ISymbol symbol, Solution solution, out string filePath, out int lineNumber, out int charOffset)
{
filePath = null;
lineNumber = 0;
charOffset = 0;
IVsHierarchy hierarchy;
IVsSymbolicNavigationNotify navigationNotify;
string rqname;
if (!TryGetNavigationAPIRequiredArguments(symbol, solution, out hierarchy, out navigationNotify, out rqname))
{
return(false);
}
IVsHierarchy navigateToHierarchy;
uint navigateToItem;
int wouldNavigate;
var navigateToTextSpan = new Microsoft.VisualStudio.TextManager.Interop.TextSpan[1];
int queryNavigateStatusCode = navigationNotify.QueryNavigateToSymbol(
hierarchy,
(uint)VSConstants.VSITEMID.Nil,
rqname,
out navigateToHierarchy,
out navigateToItem,
navigateToTextSpan,
out wouldNavigate);
if (queryNavigateStatusCode == VSConstants.S_OK && wouldNavigate == 1)
{
navigateToHierarchy.GetCanonicalName(navigateToItem, out filePath);
lineNumber = navigateToTextSpan[0].iStartLine;
charOffset = navigateToTextSpan[0].iStartIndex;
return(true);
}
return(false);
}
protected AbstractDebuggerIntelliSenseContext(
IWpfTextView wpfTextView,
IVsTextView vsTextView,
IVsTextLines vsDebuggerTextLines,
ITextBuffer contextBuffer,
Microsoft.VisualStudio.TextManager.Interop.TextSpan[] currentStatementSpan,
IComponentModel componentModel,
IServiceProvider serviceProvider,
IContentType contentType)
{
_textView = wpfTextView;
_debuggerTextLines = vsDebuggerTextLines;
this.ContextBuffer = contextBuffer;
this.CurrentStatementSpan = currentStatementSpan[0];
_contentType = contentType;
this.ProjectionBufferFactoryService = componentModel.GetService<IProjectionBufferFactoryService>();
_bufferGraphFactoryService = componentModel.GetService<IBufferGraphFactoryService>();
var _editorAdaptersFactoryService = componentModel.GetService<IVsEditorAdaptersFactoryService>();
_isImmediateWindow = vsTextView.IsImmediateWindow(
(IVsUIShell)serviceProvider.GetService(typeof(SVsUIShell)),
_editorAdaptersFactoryService);
}
protected AbstractDebuggerIntelliSenseContext(
IWpfTextView wpfTextView,
IVsTextView vsTextView,
IVsTextLines vsDebuggerTextLines,
ITextBuffer contextBuffer,
Microsoft.VisualStudio.TextManager.Interop.TextSpan[] currentStatementSpan,
IComponentModel componentModel,
IServiceProvider serviceProvider,
IContentType contentType)
{
_textView = wpfTextView;
_debuggerTextLines = vsDebuggerTextLines;
this.ContextBuffer = contextBuffer;
this.CurrentStatementSpan = currentStatementSpan[0];
_contentType = contentType;
this.ProjectionBufferFactoryService = componentModel.GetService <IProjectionBufferFactoryService>();
_bufferGraphFactoryService = componentModel.GetService <IBufferGraphFactoryService>();
var _editorAdaptersFactoryService = componentModel.GetService <IVsEditorAdaptersFactoryService>();
_isImmediateWindow = vsTextView.IsImmediateWindow(
(IVsUIShell)serviceProvider.GetService(typeof(SVsUIShell)),
_editorAdaptersFactoryService);
}
public override string GetDataTipText(int line, int col, out MVTI.TextSpan span)
{
span = new MVTI.TextSpan();
return null;
}
public static bool TryGetMemberNavigationPoint(
Document thisDocument,
string className,
string uniqueMemberID,
out VsTextSpan textSpan,
out Document targetDocument,
CancellationToken cancellationToken)
{
targetDocument = null;
textSpan = default(VsTextSpan);
var type = thisDocument.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult(cancellationToken).GetTypeByMetadataName(className);
var member = LookupMemberId(type, uniqueMemberID);
if (member == null)
{
return false;
}
var codeModel = thisDocument.Project.LanguageServices.GetService<ICodeModelNavigationPointService>();
var memberNode = member.DeclaringSyntaxReferences.Select(r => r.GetSyntax(cancellationToken)).FirstOrDefault();
if (memberNode != null)
{
var navigationPoint = codeModel.GetStartPoint(memberNode, EnvDTE.vsCMPart.vsCMPartNavigate);
if (navigationPoint != null)
{
targetDocument = thisDocument.Project.Solution.GetDocument(memberNode.SyntaxTree);
textSpan = navigationPoint.Value.ToVsTextSpan();
return true;
}
}
return false;
}
public override string Goto(VSConstants.VSStd97CmdID cmd, MVTI.IVsTextView textView, int line, int col, out MVTI.TextSpan span)
{
span = new MVTI.TextSpan();
return null;
}
public override string GetDataTipText(int line, int col, out TextSpan span)
{
span = new Microsoft.VisualStudio.TextManager.Interop.TextSpan();
return(null);
}
public override string Goto(VSConstants.VSStd97CmdID cmd, MVTI.IVsTextView textView, int line, int col, out MVTI.TextSpan span)
{
span = new MVTI.TextSpan();
return(null);
}
public bool WouldNotifyToSpecificSymbol(ISymbol symbol, Solution solution, out string filePath, out int lineNumber, out int charOffset)
{
AssertIsForeground();
filePath = null;
lineNumber = 0;
charOffset = 0;
IVsHierarchy hierarchy;
IVsSymbolicNavigationNotify navigationNotify;
string rqname;
uint itemID;
if (!TryGetNavigationAPIRequiredArguments(symbol, solution, out hierarchy, out itemID, out navigationNotify, out rqname))
{
return false;
}
IVsHierarchy navigateToHierarchy;
uint navigateToItem;
int wouldNavigate;
var navigateToTextSpan = new Microsoft.VisualStudio.TextManager.Interop.TextSpan[1];
int queryNavigateStatusCode = navigationNotify.QueryNavigateToSymbol(
hierarchy,
itemID,
rqname,
out navigateToHierarchy,
out navigateToItem,
navigateToTextSpan,
out wouldNavigate);
if (queryNavigateStatusCode == VSConstants.S_OK && wouldNavigate == 1)
{
navigateToHierarchy.GetCanonicalName(navigateToItem, out filePath);
lineNumber = navigateToTextSpan[0].iStartLine;
charOffset = navigateToTextSpan[0].iStartIndex;
return true;
}
return false;
}
public virtual bool TryInsertExpansion(int startPositionInSubjectBuffer, int endPositionInSubjectBuffer)
{
var textViewModel = TextView.TextViewModel;
if (textViewModel == null)
{
Debug.Assert(TextView.IsClosed);
return false;
}
int startLine = 0;
int startIndex = 0;
int endLine = 0;
int endIndex = 0;
// The expansion itself needs to be created in the data buffer, so map everything up
var startPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(startPositionInSubjectBuffer);
var endPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(endPositionInSubjectBuffer);
SnapshotSpan dataBufferSpan;
if (!TryGetSpanOnHigherBuffer(
SubjectBuffer.CurrentSnapshot.GetSpan(startPositionInSubjectBuffer, endPositionInSubjectBuffer - startPositionInSubjectBuffer),
textViewModel.DataBuffer,
out dataBufferSpan))
{
return false;
}
var buffer = EditorAdaptersFactoryService.GetBufferAdapter(textViewModel.DataBuffer);
var expansion = buffer as IVsExpansion;
if (buffer == null || expansion == null)
{
return false;
}
buffer.GetLineIndexOfPosition(dataBufferSpan.Start.Position, out startLine, out startIndex);
buffer.GetLineIndexOfPosition(dataBufferSpan.End.Position, out endLine, out endIndex);
var textSpan = new VsTextSpan
{
iStartLine = startLine,
iStartIndex = startIndex,
iEndLine = endLine,
iEndIndex = endIndex
};
return expansion.InsertExpansion(textSpan, textSpan, this, LanguageServiceGuid, out ExpansionSession) == VSConstants.S_OK;
}
public override int GetFullDataTipText(string textValue, Microsoft.VisualStudio.TextManager.Interop.TextSpan ts, out string fullTipText)
{
return(base.GetFullDataTipText(textValue, ts, out fullTipText));
}
private DiagnosticData CreateDocumentDiagnosticItem(ExternalError error)
{
var hostProject = _workspace.GetHostProject(_projectId);
if (!hostProject.ContainsFile(error.bstrFileName))
{
return null;
}
var hostDocument = hostProject.GetCurrentDocumentFromPath(error.bstrFileName);
var line = error.iLine;
var column = error.iCol;
var containedDocument = hostDocument as ContainedDocument;
if (containedDocument != null)
{
var span = new VsTextSpan
{
iStartLine = line,
iStartIndex = column,
iEndLine = line,
iEndIndex = column,
};
var spans = new VsTextSpan[1];
Marshal.ThrowExceptionForHR(containedDocument.ContainedLanguage.BufferCoordinator.MapPrimaryToSecondarySpan(
span,
spans));
line = spans[0].iStartLine;
column = spans[0].iStartIndex;
}
return GetDiagnosticData(error, hostDocument.Id, line, column);
}
/// <summary>
/// If there was no $end$ token, place it at the end of the snippet code. Otherwise, it
/// defaults to the beginning of the snippet code.
/// </summary>
private static bool SetEndPositionIfNoneSpecified(IVsExpansionSession pSession)
{
XElement snippetNode;
if (!TryGetSnippetNode(pSession, out snippetNode))
{
return false;
}
var ns = snippetNode.Name.NamespaceName;
var codeNode = snippetNode.Element(XName.Get("Code", ns));
if (codeNode == null)
{
return false;
}
var delimiterAttribute = codeNode.Attribute("Delimiter");
var delimiter = delimiterAttribute != null ? delimiterAttribute.Value : "$";
if (codeNode.Value.IndexOf(string.Format("{0}end{0}", delimiter), StringComparison.OrdinalIgnoreCase) != -1)
{
return false;
}
var snippetSpan = new VsTextSpan[1];
if (pSession.GetSnippetSpan(snippetSpan) != VSConstants.S_OK)
{
return false;
}
var newEndSpan = new VsTextSpan
{
iStartLine = snippetSpan[0].iEndLine,
iStartIndex = snippetSpan[0].iEndIndex,
iEndLine = snippetSpan[0].iEndLine,
iEndIndex = snippetSpan[0].iEndIndex
};
pSession.SetEndSpan(newEndSpan);
return true;
}
public override string GetDataTipText(int line, int col, out MVTI.TextSpan span)
{
span = new MVTI.TextSpan();
return(null);
}
private bool CanMapFromSecondaryBufferToPrimaryBuffer(Workspace workspace, DocumentId documentId, VsTextSpan spanInSecondaryBuffer) => spanInSecondaryBuffer.TryMapSpanFromSecondaryBufferToPrimaryBuffer(workspace, documentId, out var spanInPrimaryBuffer);
public int FormatSpan(IVsTextLines pBuffer, VsTextSpan[] tsInSurfaceBuffer)
{
// Formatting a snippet isn't cancellable.
var cancellationToken = CancellationToken.None;
// At this point, the $selection$ token has been replaced with the selected text and
// declarations have been replaced with their default text. We need to format the
// inserted snippet text while carefully handling $end$ position (where the caret goes
// after Return is pressed). The IVsExpansionSession keeps a tracking point for this
// position but we do the tracking ourselves to properly deal with virtual space. To
// ensure the end location is correct, we take three extra steps:
// 1. Insert an empty comment ("/**/" or "'") at the current $end$ position (prior
// to formatting), and keep a tracking span for the comment.
// 2. After formatting the new snippet text, find and delete the empty multiline
// comment (via the tracking span) and notify the IVsExpansionSession of the new
// $end$ location. If the line then contains only whitespace (due to the formatter
// putting the empty comment on its own line), then delete the white space and
// remember the indentation depth for that line.
// 3. When the snippet is finally completed (via Return), and PositionCaretForEditing()
// is called, check to see if the end location was on a line containing only white
// space in the previous step. If so, and if that line is still empty, then position
// the caret in virtual space.
// This technique ensures that a snippet like "if($condition$) { $end$ }" will end up
// as:
// if ($condition$)
// {
// $end$
// }
if (!TryGetSubjectBufferSpan(tsInSurfaceBuffer[0], out var snippetSpan))
{
return(VSConstants.S_OK);
}
// Insert empty comment and track end position
var snippetTrackingSpan = snippetSpan.CreateTrackingSpan(SpanTrackingMode.EdgeInclusive);
var fullSnippetSpan = new VsTextSpan[1];
ExpansionSession.GetSnippetSpan(fullSnippetSpan);
var isFullSnippetFormat =
fullSnippetSpan[0].iStartLine == tsInSurfaceBuffer[0].iStartLine &&
fullSnippetSpan[0].iStartIndex == tsInSurfaceBuffer[0].iStartIndex &&
fullSnippetSpan[0].iEndLine == tsInSurfaceBuffer[0].iEndLine &&
fullSnippetSpan[0].iEndIndex == tsInSurfaceBuffer[0].iEndIndex;
var endPositionTrackingSpan = isFullSnippetFormat ? InsertEmptyCommentAndGetEndPositionTrackingSpan() : null;
var formattingSpan = CommonFormattingHelpers.GetFormattingSpan(SubjectBuffer.CurrentSnapshot, snippetTrackingSpan.GetSpan(SubjectBuffer.CurrentSnapshot));
SubjectBuffer.CurrentSnapshot.FormatAndApplyToBuffer(formattingSpan, CancellationToken.None);
if (isFullSnippetFormat)
{
CleanUpEndLocation(endPositionTrackingSpan);
// Unfortunately, this is the only place we can safely add references and imports
// specified in the snippet xml. In OnBeforeInsertion we have no guarantee that the
// snippet xml will be available, and changing the buffer during OnAfterInsertion can
// cause the underlying tracking spans to get out of sync.
var currentStartPosition = snippetTrackingSpan.GetStartPoint(SubjectBuffer.CurrentSnapshot).Position;
AddReferencesAndImports(
ExpansionSession, currentStartPosition, cancellationToken);
SetNewEndPosition(endPositionTrackingSpan);
}
return(VSConstants.S_OK);
}
private bool NavigateTo(ITextBuffer textBuffer, VsTextSpan vsTextSpan)
{
using (Logger.LogBlock(FunctionId.NavigationService_VSDocumentNavigationService_NavigateTo, CancellationToken.None))
{
var vsTextBuffer = _editorAdaptersFactoryService.GetBufferAdapter(textBuffer);
if (vsTextBuffer == null)
{
Debug.Fail("Could not get IVsTextBuffer for document!");
return false;
}
var textManager = (IVsTextManager2)_serviceProvider.GetService(typeof(SVsTextManager));
if (textManager == null)
{
Debug.Fail("Could not get IVsTextManager service!");
return false;
}
return ErrorHandler.Succeeded(
textManager.NavigateToLineAndColumn2(
vsTextBuffer, VSConstants.LOGVIEWID.TextView_guid, vsTextSpan.iStartLine, vsTextSpan.iStartIndex, vsTextSpan.iEndLine, vsTextSpan.iEndIndex, (uint)_VIEWFRAMETYPE.vftCodeWindow));
}
}
private bool CanMapFromSecondaryBufferToPrimaryBuffer(Workspace workspace, DocumentId documentId, VsTextSpan spanInSecondaryBuffer)
{
return spanInSecondaryBuffer.TryMapSpanFromSecondaryBufferToPrimaryBuffer(workspace, documentId, out var spanInPrimaryBuffer);
}
public override string Goto(VSConstants.VSStd97CmdID cmd, IVsTextView textView, int line, int col, out TextSpan span)
{
span = new Microsoft.VisualStudio.TextManager.Interop.TextSpan();
return null;
}
public int FormatSpan(IVsTextLines pBuffer, VsTextSpan[] tsInSurfaceBuffer)
{
// Formatting a snippet isn't cancellable.
var cancellationToken = CancellationToken.None;
// At this point, the $selection$ token has been replaced with the selected text and
// declarations have been replaced with their default text. We need to format the
// inserted snippet text while carefully handling $end$ position (where the caret goes
// after Return is pressed). The IVsExpansionSession keeps a tracking point for this
// position but we do the tracking ourselves to properly deal with virtual space. To
// ensure the end location is correct, we take three extra steps:
// 1. Insert an empty comment ("/**/" or "'") at the current $end$ position (prior
// to formatting), and keep a tracking span for the comment.
// 2. After formatting the new snippet text, find and delete the empty multiline
// comment (via the tracking span) and notify the IVsExpansionSession of the new
// $end$ location. If the line then contains only whitespace (due to the formatter
// putting the empty comment on its own line), then delete the white space and
// remember the indentation depth for that line.
// 3. When the snippet is finally completed (via Return), and PositionCaretForEditing()
// is called, check to see if the end location was on a line containing only white
// space in the previous step. If so, and if that line is still empty, then position
// the caret in virtual space.
// This technique ensures that a snippet like "if($condition$) { $end$ }" will end up
// as:
// if ($condition$)
// {
// $end$
// }
SnapshotSpan snippetSpan;
if (!TryGetSubjectBufferSpan(tsInSurfaceBuffer[0], out snippetSpan))
{
return VSConstants.S_OK;
}
// Insert empty comment and track end position
var snippetTrackingSpan = snippetSpan.CreateTrackingSpan(SpanTrackingMode.EdgeInclusive);
var fullSnippetSpan = new VsTextSpan[1];
ExpansionSession.GetSnippetSpan(fullSnippetSpan);
var isFullSnippetFormat =
fullSnippetSpan[0].iStartLine == tsInSurfaceBuffer[0].iStartLine &&
fullSnippetSpan[0].iStartIndex == tsInSurfaceBuffer[0].iStartIndex &&
fullSnippetSpan[0].iEndLine == tsInSurfaceBuffer[0].iEndLine &&
fullSnippetSpan[0].iEndIndex == tsInSurfaceBuffer[0].iEndIndex;
var endPositionTrackingSpan = isFullSnippetFormat ? InsertEmptyCommentAndGetEndPositionTrackingSpan() : null;
var formattingSpan = CommonFormattingHelpers.GetFormattingSpan(SubjectBuffer.CurrentSnapshot, snippetTrackingSpan.GetSpan(SubjectBuffer.CurrentSnapshot));
SubjectBuffer.CurrentSnapshot.FormatAndApplyToBuffer(formattingSpan, CancellationToken.None);
if (isFullSnippetFormat)
{
CleanUpEndLocation(endPositionTrackingSpan);
// Unfortunately, this is the only place we can safely add references and imports
// specified in the snippet xml. In OnBeforeInsertion we have no guarantee that the
// snippet xml will be available, and changing the buffer during OnAfterInsertion can
// cause the underlying tracking spans to get out of sync.
AddReferencesAndImports(ExpansionSession, cancellationToken);
SetNewEndPosition(endPositionTrackingSpan);
}
return VSConstants.S_OK;
}
internal bool TryGetSubjectBufferSpan(VsTextSpan surfaceBufferTextSpan, out SnapshotSpan subjectBufferSpan)
{
var snapshotSpan = TextView.TextSnapshot.GetSpan(surfaceBufferTextSpan);
var subjectBufferSpanCollection = TextView.BufferGraph.MapDownToBuffer(snapshotSpan, SpanTrackingMode.EdgeExclusive, SubjectBuffer);
// Bail if a snippet span does not map down to exactly one subject buffer span.
if (subjectBufferSpanCollection.Count == 1)
{
subjectBufferSpan = subjectBufferSpanCollection.Single();
return true;
}
subjectBufferSpan = default(SnapshotSpan);
return false;
}
public virtual bool TryInsertExpansion(int startPositionInSubjectBuffer, int endPositionInSubjectBuffer)
{
int startLine = 0;
int startIndex = 0;
int endLine = 0;
int endIndex = 0;
// The expansion itself needs to be created in the surface buffer, so map everything up
var startPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(startPositionInSubjectBuffer);
var endPointInSubjectBuffer = SubjectBuffer.CurrentSnapshot.GetPoint(endPositionInSubjectBuffer);
SnapshotSpan surfaceBufferSpan;
if (!TryGetSurfaceBufferSpan(SubjectBuffer.CurrentSnapshot.GetSpan(startPositionInSubjectBuffer, endPositionInSubjectBuffer - startPositionInSubjectBuffer), out surfaceBufferSpan))
{
return false;
}
var buffer = EditorAdaptersFactoryService.GetBufferAdapter(TextView.TextBuffer);
buffer.GetLineIndexOfPosition(surfaceBufferSpan.Start.Position, out startLine, out startIndex);
buffer.GetLineIndexOfPosition(surfaceBufferSpan.End.Position, out endLine, out endIndex);
var textSpan = new VsTextSpan
{
iStartLine = startLine,
iStartIndex = startIndex,
iEndLine = endLine,
iEndIndex = endIndex
};
var expansion = buffer as IVsExpansion;
return expansion.InsertExpansion(textSpan, textSpan, this, LanguageServiceGuid, out ExpansionSession) == VSConstants.S_OK;
}
public override string Goto(VSConstants.VSStd97CmdID cmd, IVsTextView textView, int line, int col, out TextSpan span)
{
span = new Microsoft.VisualStudio.TextManager.Interop.TextSpan();
return(null);
}
public int IsValidKind(IVsTextLines pBuffer, VsTextSpan[] ts, string bstrKind, out int pfIsValidKind)
{
pfIsValidKind = 1;
return VSConstants.S_OK;
}
public int IsValidType(IVsTextLines pBuffer, VsTextSpan[] ts, string[] rgTypes, int iCountTypes, out int pfIsValidType)
{
pfIsValidType = 1;
return VSConstants.S_OK;
}
private bool CanMapFromSecondaryBufferToPrimaryBuffer(Workspace workspace, DocumentId documentId, VsTextSpan spanInSecondaryBuffer)
{
VsTextSpan spanInPrimaryBuffer;
return(spanInSecondaryBuffer.TryMapSpanFromSecondaryBufferToPrimaryBuffer(workspace, documentId, out spanInPrimaryBuffer));
}
public override string GetDataTipText(int line, int col, out TextSpan span)
{
span = new Microsoft.VisualStudio.TextManager.Interop.TextSpan();
return null;
}
