// used by intellisense mechanisms.
public virtual TokenInfo[] GetLineInfo(int line, IVsTextColorState colorState)
{
int length;
buffer.GetLengthOfLine(line, out length);
string text;
buffer.GetLineText(line, 0, line, length, out text);
int state;
colorState.GetColorStateAtStartOfLine(line, out state);
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null)
{
return(this.cachedLineInfo);
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
GetColorInfo(text, length, state);
//now it should be in the cache
return(this.cachedLineInfo);
}
/// <include file='doc\Colorizer.uex' path='docs/doc[@for="Colorizer.GetLineInfo"]/*' />
public virtual TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState)
{
int length;
NativeMethods.ThrowOnFailure(buffer.GetLengthOfLine(line, out length));
if (length == 0)
{
return(null);
}
string text;
NativeMethods.ThrowOnFailure(buffer.GetLineText(line, 0, line, length, out text));
int state;
NativeMethods.ThrowOnFailure(colorState.GetColorStateAtStartOfLine(line, out state));
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null)
{
return(this.cachedLineInfo);
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
NativeMethods.ThrowOnFailure(GetColorInfo(text, length, state));
//now it should be in the cache
return(this.cachedLineInfo);
}
public BracketFinder(NemerleSource source, int startLine,
int startCol, NemerleScanner scanner, IVsTextColorState colorState)
{
#region Init fields
Scanner = scanner;
Source = source;
StartLine = startLine;
Lex = scanner.GetNewLexer();
Lex.SetFileName(source.GetFilePath());
ColorState = colorState;
_lineCount = source.GetLineCount();
var line = startLine - 1;
_buffer = new string[1] {
source.GetText(line, 0, line, source.GetLineLength(line))
};
_startBufferLine = line;
#endregion
#region 2. Determine that it is a paired token. 3. Determine paired token.
// Get tokens of line under text carret into dynamic array.
List <ScanTokenInfo> lineToks = GetLineTokens(startLine, true);
// Find index of token which located under text carret.
int index = FindIndex(lineToks, x => x.Token.Location.Contains(startLine, startCol));
if (index < 0)
{
return;
}
// If index is corret get corresponding token.
ScanTokenInfo startBraceInfo = lineToks[index];
// Remember it, if token have paired token.
if (IsPairedToken(startBraceInfo.Token))
{
StartBraceInfo = startBraceInfo;
}
else
{
// otherwise try get right-hand token...
startBraceInfo = RightHand(lineToks, index);
// Remember it, if token have paired token.
if (IsPairedToken(startBraceInfo.Token))
{
StartBraceInfo = startBraceInfo;
}
}
#endregion
}
/// <summary>
/// Match paired tokens. Run in GUI thread synchronously!
/// </summary>
/// <param name="isMatchBraces">match or highlight mraces</param>
/// <param name="line">zero based index of line</param>
/// <param name="index">zero based index of char</param>
public TextSpan[] GetMatchingBraces(bool isMatchBraces, int line, int index)
{
var nline = line + 1; // one based number of line
var ncol = index + 1; // one based number of column
// Steps:
// 1. Find token under text caret.
// 2. Determine that it is a paired token.
// 3. Determine paired token.
// 4. Find paired token in the source file.
// 5. Set info about paired tokens Sink and return it in AuthoringScope.
var source = this;
IVsTextColorState colorState = source.ColorState;
Colorizer colorizer = source.GetColorizer();
var scanner = (NSScanner)colorizer.Scanner;
string lineText = source.GetLine(nline);
scanner.SetSource(lineText, 0);
// Steps: 1-3
//var bracketFinder = new BracketFinder(source, nline, ncol, scanner, colorState);
// 4. Find paired token in the source file.
//var matchBraceInfo = bracketFinder.FindMatchBraceInfo();
//if (matchBraceInfo != null) {
// 5. Set info about paired tokens Sink and return it in AuthoringScope.
// Fix a bug in MPF: Correct location of left token.
// It need for correct navigation (to left side of token).
//
//Token matchToken = matchBraceInfo.Token;
//Location matchLocation = isMatchBraces && !BracketFinder.IsOpenToken(matchToken)
// ? matchToken.Location.FromEnd() : matchToken.Location;
//Location matchLocation = matchToken.Location;
// Set tokens position info
//var startSpan = Utils.SpanFromLocation(bracketFinder.StartBraceInfo.Token.Location);
//var endSpan = Utils.SpanFromLocation(matchLocation);
//return new[] { startSpan, endSpan };
//}
return(new TextSpan[0]);
}
/// <include file='doc\Colorizer.uex' path='docs/doc[@for="Colorizer.GetLineInfo"]/*' />
public virtual TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState)
{
int length;
NativeMethods.ThrowOnFailure(buffer.GetLengthOfLine(line, out length));
if (length == 0)
{
return(null);
}
string text;
NativeMethods.ThrowOnFailure(buffer.GetLineText(line, 0, line, length, out text));
int state;
NativeMethods.ThrowOnFailure(colorState.GetColorStateAtStartOfLine(line, out state));
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null)
{
return(this.cachedLineInfo);
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
// GetColorInfo will update the cache. Note that here we don't use NativeMethods.ThrowOnFailure
// because the return code is the current parsing state, not an HRESULT.
GetColorInfo(text, length, state);
//now it should be in the cache
return(this.cachedLineInfo);
}
internal abstract TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState);
// Overriden in source.fs, it calls this base implementation
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
this.disposed = true;
try
{
if (this.textLinesEvents != null)
{
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
}
finally
{
try
{
if (this.userDataEvents != null)
{
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
}
finally
{
try
{
if (this.hiddenTextSession != null)
{
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
// This is causing a debug assert in vs\env\msenv\textmgr\vrlist.cpp
// at line 1997 in CVisibleRegionList::Terminate
//this.hiddenTextSession.Terminate();
this.hiddenTextSession = null;
}
}
finally
{
try
{
if (this.methodData != null)
{
this.methodData.Dispose();
this.methodData = null;
}
}
finally
{
try
{
if (this.completionSet != null)
{
this.completionSet.Dispose();
this.completionSet = null;
}
}
finally
{
try
{
// clear out any remaining tasks for this doc in the task list
// tp may not be the same as taskProvider
// REVIEW: This should be: if (null != this.taskReporter)
// Right now, MSBuild 4.0 can clear out build loggers responsibly, so this.taskReporter will always
// be null when we get to this point, so we'll need to create a new taskReporter to clear out the
// background tasks
TaskReporter tr = this.GetTaskReporter(); // may be our own TR or one from ProjectSite of this file
if (null != tr)
{
tr.ClearBackgroundTasksForFile(this.GetFilePath());
// Refresh the task list
tr.OutputTaskList();
}
if (null != this.taskReporter) // dispose the one we own (do not dispose one shared by project site!)
{
this.taskReporter.Dispose();
this.taskReporter = null;
this.taskProvider = null;
}
}
finally
{
try
{
this.service = null;
if (this.colorizer != null)
{
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
}
finally
{
this.colorState = null;
try
{
if (this.expansionProvider != null)
{
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
}
finally
{
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null)
{
this.textLines = null;
Marshal.Release(pUnkTextLines);
}
}
}
}
}
}
}
}
}
}
internal SourceImpl(LanguageService service, IVsTextLines textLines, Colorizer colorizer)
{
#if LANGTRACE
Tracing.TraceRef(textLines, "Source.textLines");
#endif
this.service = service;
this.textLines = textLines;
// REVIEW: why the next line? RCW in this.textLines holds IUnknown already. (released in Dispose correctly though)
pUnkTextLines = Marshal.GetIUnknownForObject(this.textLines); //so it can't get disposed on us
this.colorizer = colorizer;
this.completionSet = this.CreateCompletionSet();
this.methodData = new MethodData(this.service.Site);
this.colorState = (IVsTextColorState)textLines;
// track source changes
this.textLinesEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsTextLinesEvents));
this.userDataEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsUserDataEvents));
this.doOutlining = this.service.Preferences.AutoOutlining;
if (this.doOutlining)
{
GetHiddenTextSession();
}
this.expansionProvider = GetExpansionProvider();
this.lastOnIdleRequestDuration = 0;
this.openedTime = System.DateTime.Now;
}
public Source(LanguageService service, IVsTextLines textLines, Colorizer colorizer){
this.service = service;
this.textLines = textLines;
this.colorizer = colorizer;
this.taskProvider = new TaskProvider(service.site); // task list
this.completionSet = this.GetCompletionSet();
this.methodData = this.GetMethodData();
this.colorState = (IVsTextColorState)textLines;
Guid statusBarGuid = typeof(VsShellInterop.IVsStatusbar).GUID;
this.statusBar = (VsShellInterop.IVsStatusbar)service.site.QueryService(statusBarGuid, typeof(VsShellInterop.IVsStatusbar));
this.commentInfo = new CommentInfo();
service.GetCommentFormat(this.commentInfo);
// track source changes
if (service.Preferences.EnableCodeSenseFastOnLineChange){
textChangeCommitEventsCookie = VsShell.Connect(textLines, (IVsFinalTextChangeCommitEvents)this, ref VsConstants.IID_IVsFinalTextChangeCommitEvents);
}
this.textLinesEventsCookie = VsShell.Connect(textLines, (IVsTextLinesEvents)this, ref VsConstants.IID_IVsTextLinesEvents);
this.SetDirty();
#if WHIDBEY
// create a task manager
if (taskManager == null) {
ITaskManagerFactory taskManagerFactory = (ITaskManagerFactory)(service.site).GetService(typeof(ITaskManagerFactory));
if (taskManagerFactory != null) {
taskManager = taskManagerFactory.QuerySharedTaskManager("SpecSharp", true);
}
}
#endif
}
// used by intellisense mechanisms.
public virtual TokenInfo[] GetLineInfo(int line, IVsTextColorState colorState) {
int length;
buffer.GetLengthOfLine(line, out length);
string text;
buffer.GetLineText(line, 0, line, length, out text);
int state;
colorState.GetColorStateAtStartOfLine(line, out state);
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null) {
return this.cachedLineInfo;
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
GetColorInfo(text, length, state);
//now it should be in the cache
return this.cachedLineInfo;
}
/// <include file='doc\Colorizer.uex' path='docs/doc[@for="Colorizer.GetLineInfo"]/*' />
public virtual TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState)
{
int length;
NativeMethods.ThrowOnFailure(buffer.GetLengthOfLine(line, out length));
if (length == 0)
return null;
string text;
NativeMethods.ThrowOnFailure(buffer.GetLineText(line, 0, line, length, out text));
int state;
NativeMethods.ThrowOnFailure(colorState.GetColorStateAtStartOfLine(line, out state));
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null) {
return this.cachedLineInfo;
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
// GetColorInfo will update the cache. Note that here we don't use NativeMethods.ThrowOnFailure
// because the return code is the current parsing state, not an HRESULT.
GetColorInfo(text, length, state);
//now it should be in the cache
return this.cachedLineInfo;
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="Source.Dispose"]/*' />
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
try {
if (this.textLinesEvents != null) {
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
} catch (COMException) {
}
try {
if (this.userDataEvents != null) {
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
} catch (COMException) {
}
try {
if (this.hiddenTextSession != null) {
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
this.hiddenTextSession = null;
}
} catch (COMException) {
}
try {
if (this.methodData != null) {
this.methodData.Dispose();
this.methodData = null;
}
} catch (COMException) {
}
try {
if (this.completionSet != null) {
this.completionSet.Dispose();
this.completionSet = null;
}
} catch (COMException) {
}
try {
if (this.taskProvider != null) {
this.taskProvider.Dispose();
this.taskProvider = null;
}
} catch (COMException) {
}
try {
this.service = null;
if (this.colorizer != null) {
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
} catch (COMException) {
}
try {
if (this.colorState != null) {
this.colorState = null;
}
} catch (COMException) {
}
try {
if (this.expansionProvider != null) {
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
} catch (COMException) {
}
try {
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null) {
this.textLines = null; //rely on GC rather control lifetime through ReleaseCOMObject
Marshal.Release(pUnkTextLines);
}
} catch (COMException) {
}
}
/// <include file='doc\Source.uex' path='docs/doc[@for="Source.Source"]/*' />
public Source(LanguageService service, IVsTextLines textLines, Colorizer colorizer)
{
#if LANGTRACE
Tracing.TraceRef(textLines, "Source.textLines");
#endif
this.service = service;
this.textLines = textLines;
pUnkTextLines = Marshal.GetIUnknownForObject(this.textLines); //so it can't get disposed on us
this.colorizer = colorizer;
this.dirty = true;
this.completionSet = this.CreateCompletionSet();
this.methodData = this.CreateMethodData();
this.colorState = (IVsTextColorState)textLines;
// Register text buffer (IVsTextLines) event handlers
// Delegate to virtual/overridable method
RegisterTextBufferEventHandlers(textLines);
this.doOutlining = this.service.Preferences.AutoOutlining;
if (this.doOutlining) {
GetHiddenTextSession();
}
this.expansionProvider = GetExpansionProvider();
this.lastParseTime = Int32.MaxValue;
}
internal abstract TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState);
/// <include file='doc\Colorizer.uex' path='docs/doc[@for="Colorizer.GetLineInfo"]/*' />
public virtual TokenInfo[] GetLineInfo(IVsTextLines buffer, int line, IVsTextColorState colorState) {
int length;
NativeMethods.ThrowOnFailure(buffer.GetLengthOfLine(line, out length));
if (length == 0)
return null;
string text;
NativeMethods.ThrowOnFailure(buffer.GetLineText(line, 0, line, length, out text));
int state;
NativeMethods.ThrowOnFailure(colorState.GetColorStateAtStartOfLine(line, out state));
if (this.cachedLine == line && this.cachedLineText == text &&
this.cachedLineState == state && this.cachedLineInfo != null) {
return this.cachedLineInfo;
}
// recolorize the line, and cache the results
this.cachedLineInfo = null;
this.cachedLine = line;
this.cachedLineText = text;
this.cachedLineState = state;
NativeMethods.ThrowOnFailure(GetColorInfo(text, length, state));
//now it should be in the cache
return this.cachedLineInfo;
}
public Source(LanguageService service, IVsTextLines textLines, Colorizer colorizer) {
this.service = service;
this.textLines = textLines;
this.colorizer = colorizer;
this.taskProvider = new TaskProvider(service.site); // task list
this.completionSet = this.GetCompletionSet();
this.methodData = this.GetMethodData();
this.colorState = (IVsTextColorState)textLines;
Guid statusBarGuid = typeof(VsShellInterop.IVsStatusbar).GUID;
this.statusBar = (VsShellInterop.IVsStatusbar)service.site.QueryService(statusBarGuid, typeof(VsShellInterop.IVsStatusbar));
service.GetCommentFormat(ref commentInfo);
// track source changes
if (service.Preferences.EnableCodeSenseFastOnLineChange) {
textChangeCommitEventsCookie = VsShell.Connect( textLines, (IVsFinalTextChangeCommitEvents)this, ref VsConstants.IID_IVsFinalTextChangeCommitEvents);
}
this.textLinesEventsCookie = VsShell.Connect( textLines, (IVsTextLinesEvents)this, ref VsConstants.IID_IVsTextLinesEvents);
}
public override TokenInfo[] GetLineInfo
(IVsTextLines buffer, int line, IVsTextColorState colorState)
{
Tracer.TraceBreak();
return null;
}