private IEnumerable <ISignature> HandleComma(VsText.ITextSnapshot snapshot, ProbeAppSettings appSettings)
{
ThreadHelper.ThrowIfNotOnUIThread();
var fileStore = CodeModel.FileStore.GetOrCreateForTextBuffer(_textBuffer);
if (fileStore != null)
{
var fileName = VsTextUtil.TryGetDocumentFileName(_textBuffer);
var model = fileStore.GetMostRecentModel(appSettings, fileName, snapshot, "Signature help after ','");
var modelPos = (new VsText.SnapshotPoint(snapshot, _triggerPos)).TranslateTo(model.Snapshot, VsText.PointTrackingMode.Negative).Position;
var argsToken = model.File.FindDownward <ArgsToken>().Where(t => t.Span.Start < modelPos && (t.Span.End > modelPos || !t.IsTerminated)).LastOrDefault();
if (argsToken != null && argsToken.Signature != null)
{
var modelSpan = new VsText.SnapshotSpan(model.Snapshot, argsToken.Span.ToVsTextSpan());
var snapshotSpan = modelSpan.TranslateTo(snapshot, VsText.SpanTrackingMode.EdgeInclusive);
var applicableToSpan = snapshot.CreateTrackingSpan(snapshotSpan.Span, VsText.SpanTrackingMode.EdgeInclusive, 0);
yield return(CreateSignature(_textBuffer, argsToken.Signature, applicableToSpan));
foreach (var sig in argsToken.SignatureAlternatives)
{
yield return(CreateSignature(_textBuffer, sig, applicableToSpan));
}
}
}
}
public ErrorInfo(ErrorCode code, ErrorType type, string message, Span span, VsText.ITextSnapshot snapshot)
{
Code = code;
Type = type;
Message = message;
Span = span;
Snapshot = snapshot;
}
/// <summary>
/// Adjusts a position from another snapshot to the model's snapshot.
/// </summary>
public int AdjustPosition(int pos, VsText.ITextSnapshot snapshot)
{
if (snapshot == null || _snapshot == null || _snapshot == snapshot)
{
return(pos);
}
var pt = new Microsoft.VisualStudio.Text.SnapshotPoint(snapshot, pos).TranslateTo(_snapshot, Microsoft.VisualStudio.Text.PointTrackingMode.Positive);
return(pt.Position);
}
public static string GetDocumentPath(Microsoft.VisualStudio.Text.ITextSnapshot ts)
{
Microsoft.VisualStudio.Text.ITextDocument textDoc;
bool rc = ts.TextBuffer.Properties.TryGetProperty(
typeof(Microsoft.VisualStudio.Text.ITextDocument), out textDoc);
if (rc && textDoc != null)
{
return(textDoc.FilePath);
}
return(null);
}
public void SetSource(string source, int offset, VsText.ITextSnapshot snapshot, CodeModel.CodeModel model)
{
_source = source;
_pos = 0;
_posOffset = offset;
_length = _source.Length;
_snapshot = snapshot;
_model = model;
var transStart = snapshot.TranslateOffsetToSnapshot(offset, _model.Snapshot);
var transEnd = snapshot.TranslateOffsetToSnapshot(offset + source.Length, _model.Snapshot);
_tokenMap = new Dictionary <int, Token>();
foreach (var token in _model.File.FindDownward(transStart, transEnd - transStart))
{
var snapStart = _model.Snapshot.TranslateOffsetToSnapshot(token.Span.Start, snapshot);
_tokenMap[snapStart] = token;
}
}
public int TranslateOffset(int offset, Microsoft.VisualStudio.Text.ITextSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
if (_snapshot == null)
{
throw new InvalidOperationException("Model has no snapshot.");
}
if (_snapshot != snapshot)
{
var pt = new Microsoft.VisualStudio.Text.SnapshotPoint(snapshot, offset).TranslateTo(_snapshot, Microsoft.VisualStudio.Text.PointTrackingMode.Positive);
return(pt.Position);
}
else
{
return(offset);
}
}
private void RefreshFunctionList(VsTextEditor.IWpfTextView view)
{
ThreadHelper.ThrowIfNotOnUIThread();
if (!c_functionTab.IsSelected)
{
return;
}
if (view != null)
{
var fileStore = CodeModel.FileStore.GetOrCreateForTextBuffer(view.TextBuffer);
if (fileStore != null)
{
var snapshot = view.TextSnapshot;
if (_activeView != view || _activeSnapshot != snapshot)
{
_activeView = view;
_activeSnapshot = snapshot;
var appSettings = ProbeEnvironment.CurrentAppSettings;
var fileName = VsTextUtil.TryGetDocumentFileName(view.TextBuffer);
_activeFunctions = (from f in fileStore.GetFunctionDropDownList(appSettings, fileName, snapshot)
orderby f.Name.ToLower()
select new FunctionListItem(f)).ToArray();
ApplyFunctionFilter();
c_functionList.ItemsSource = _activeFunctions;
}
return;
}
}
_activeView = null;
_activeSnapshot = null;
_activeFunctions = null;
c_functionList.ItemsSource = null;
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || quickInfoContent == null)
{
return;
}
Provider.IntelliSenseCache.BeginReferenceSourceParsing();
if (session.TextView.TextBuffer == this.TextBuffer)
{
ITextSnapshot currentSnapshot = this.TextBuffer.CurrentSnapshot;
SnapshotPoint?triggerPoint = session.GetTriggerPoint(currentSnapshot);
if (!triggerPoint.HasValue)
{
return;
}
lock (_contentUpdateLock)
{
if (triggerPoint == this._triggerPoint)
{
foreach (var content in _quickInfoContent)
{
quickInfoContent.Add(content);
}
applicableToSpan = _applicableToSpan;
return;
}
}
BeginUpdateQuickInfoContent(session, triggerPoint.Value);
}
}
public Microsoft.VisualStudio.Text.SnapshotSpan ToVsTextSnapshotSpan(VsText.ITextSnapshot snapshot)
{
return(new VsText.SnapshotSpan(snapshot, new VsText.Span(_start, _end - _start)));
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || quickInfoContent == null)
{
return;
}
if (session.TextView.TextBuffer == this.TextBuffer)
{
ITextSnapshot currentSnapshot = this.TextBuffer.CurrentSnapshot;
SnapshotPoint?triggerPoint = session.GetTriggerPoint(currentSnapshot);
if (!triggerPoint.HasValue)
{
return;
}
#region experimental
/* use the experimental model to locate and process the expression */
Stopwatch stopwatch = Stopwatch.StartNew();
// lex the entire document
var input = new SnapshotCharStream(currentSnapshot, new Span(0, currentSnapshot.Length));
var lexer = new GoLexer(input);
var tokenSource = new GoSemicolonInsertionTokenSource(lexer);
var tokens = new CommonTokenStream(tokenSource);
tokens.Fill();
// locate the last token before the trigger point
while (true)
{
IToken nextToken = tokens.LT(1);
if (nextToken.Type == CharStreamConstants.EndOfFile)
{
break;
}
if (nextToken.StartIndex > triggerPoint.Value.Position)
{
break;
}
tokens.Consume();
}
switch (tokens.LA(-1))
{
case GoLexer.IDENTIFIER:
//case GoLexer.KW_THIS:
//case GoLexer.KW_UNIV:
//case GoLexer.KW_IDEN:
//case GoLexer.KW_INT2:
//case GoLexer.KW_SEQINT:
break;
default:
return;
}
Network network = NetworkBuilder <GoSimplifiedAtnBuilder> .GetOrBuildNetwork();
RuleBinding memberSelectRule = network.GetRule(GoSimplifiedAtnBuilder.RuleNames.PrimaryExpr);
#if false
HashSet <Transition> memberSelectTransitions = new HashSet <Transition>();
GetReachableTransitions(memberSelectRule, memberSelectTransitions);
#endif
NetworkInterpreter interpreter = new NetworkInterpreter(network, tokens);
interpreter.BoundaryRules.Add(memberSelectRule);
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.Label));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.TypeSwitchGuard));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.FieldName));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.Receiver));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.FunctionDecl));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.BaseTypeName));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.TypeSpec));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.IdentifierList));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.MethodName));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.ParameterDecl));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.FieldIdentifierList));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.PackageName));
interpreter.BoundaryRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.TypeName));
interpreter.ExcludedStartRules.Add(network.GetRule(GoSimplifiedAtnBuilder.RuleNames.Block));
while (interpreter.TryStepBackward())
{
if (interpreter.Contexts.Count == 0)
{
break;
}
/* we want all traces to start outside the binOpExpr18 rule, which means all
* traces with a transition reachable from binOpExpr18 should contain a push
* transition with binOpExpr18's start state as its target.
*/
if (interpreter.Contexts.All(context => context.BoundedStart))
{
break;
}
}
interpreter.CombineBoundedStartContexts();
IOutputWindowPane pane = Provider.OutputWindowService.TryGetPane(PredefinedOutputWindowPanes.TvlIntellisense);
if (pane != null)
{
pane.WriteLine(string.Format("Located {0} QuickInfo expression(s) in {1}ms.", interpreter.Contexts.Count, stopwatch.ElapsedMilliseconds));
}
HashSet <string> finalResult = new HashSet <string>();
SnapshotSpan? contextSpan = null;
foreach (var context in interpreter.Contexts)
{
Span?span = null;
//List<string> results = AnalyzeInterpreterTrace(context, memberSelectRule, out span);
foreach (var transition in context.Transitions)
{
if (!transition.Transition.IsMatch)
{
continue;
}
IToken token = transition.Token;
Span tokenSpan = new Span(token.StartIndex, token.StopIndex - token.StartIndex + 1);
if (span == null)
{
span = tokenSpan;
}
else
{
span = Span.FromBounds(Math.Min(span.Value.Start, tokenSpan.Start), Math.Max(span.Value.End, tokenSpan.End));
}
}
if (span.HasValue && !span.Value.IsEmpty)
{
contextSpan = new SnapshotSpan(currentSnapshot, span.Value);
}
//if (results.Count > 0)
//{
// finalResult.UnionWith(results);
// applicableToSpan = currentSnapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeExclusive);
//}
}
foreach (var result in finalResult)
{
quickInfoContent.Add(result);
}
#endregion
#if false
var selection = session.TextView.Selection.StreamSelectionSpan;
if (selection.IsEmpty || !selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
{
SnapshotSpan?expressionSpan = Provider.IntellisenseCache.GetExpressionSpan(triggerPoint.Value);
if (expressionSpan.HasValue)
{
selection = new VirtualSnapshotSpan(expressionSpan.Value);
}
}
#endif
VirtualSnapshotSpan selection = new VirtualSnapshotSpan();
if (contextSpan.HasValue)
{
selection = new VirtualSnapshotSpan(contextSpan.Value);
}
if (!selection.IsEmpty && selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
{
applicableToSpan = selection.Snapshot.CreateTrackingSpan(selection.SnapshotSpan, SpanTrackingMode.EdgeExclusive);
quickInfoContent.Add(selection.GetText());
//try
//{
// Expression currentExpression = Provider.IntellisenseCache.ParseExpression(selection);
// if (currentExpression != null)
// {
// SnapshotSpan? span = currentExpression.Span;
// if (span.HasValue)
// applicableToSpan = span.Value.Snapshot.CreateTrackingSpan(span.Value, SpanTrackingMode.EdgeExclusive);
// quickInfoContent.Add(currentExpression.ToString());
// }
// else
// {
// quickInfoContent.Add("Could not parse expression.");
// }
//}
//catch (Exception ex) when (!ErrorHandler.IsCriticalException(ex))
//{
// quickInfoContent.Add(ex.Message);
//}
}
}
}
public CodeModel CreatePreprocessedModel(ProbeAppSettings appSettings, string fileName, VsText.ITextSnapshot snapshot, bool visible, string reason)
{
CodeSource source;
IEnumerable <Preprocessor.IncludeDependency> includeDependencies = null;
if (visible)
{
source = new CodeSource();
source.Append(snapshot.GetText(), fileName, 0, snapshot.Length, true, true, false);
source.Flush();
}
else
{
var merger = new FileMerger();
merger.MergeFile(appSettings, fileName, snapshot.GetText(), false, true);
source = merger.MergedContent;
includeDependencies = (from f in merger.FileNames
select new Preprocessor.IncludeDependency(f, false, true, merger.GetFileContent(f))).ToArray();
}
var model = CreatePreprocessedModel(appSettings, source, fileName, visible, reason, includeDependencies);
model.Snapshot = snapshot;
return(model);
}
public CodeModel CreatePreprocessedModel(ProbeAppSettings appSettings, string fileName, VsText.ITextSnapshot snapshot, string reason)
{
var source = new CodeSource();
source.Append(snapshot.GetText(), fileName, 0, snapshot.Length, true, true, false);
source.Flush();
var model = CreatePreprocessedModel(appSettings, source, fileName, true, reason, null);
model.Snapshot = snapshot;
return(model);
}
public CodeModel RegenerateModel(ProbeAppSettings appSettings, string fileName, VsText.ITextSnapshot snapshot, string reason)
{
#if DEBUG
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
#endif
_model = CreatePreprocessedModel(appSettings, fileName, snapshot, reason);
var ev = ModelUpdated;
if (ev != null)
{
ev(this, new ModelUpdatedEventArgs(_model));
}
return(_model);
}
public CodeModel GetCurrentModel(ProbeAppSettings appSettings, string fileName, VsText.ITextSnapshot snapshot, string reason)
{
#if DEBUG
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
#endif
if (_model != null)
{
if (snapshot != null && _model.Snapshot.Version.VersionNumber < snapshot.Version.VersionNumber)
{
_model = CreatePreprocessedModel(appSettings, fileName, snapshot, reason);
var ev = ModelUpdated;
if (ev != null)
{
ev(this, new ModelUpdatedEventArgs(_model));
}
}
}
else
{
_model = CreatePreprocessedModel(appSettings, fileName, snapshot, reason);
var ev = ModelUpdated;
if (ev != null)
{
ev(this, new ModelUpdatedEventArgs(_model));
}
}
return(_model);
}
private IEnumerable <ISignature> HandleOpenBracket(VsText.ITextSnapshot snapshot, ProbeAppSettings appSettings)
{
ThreadHelper.ThrowIfNotOnUIThread();
var lineText = snapshot.GetLineTextUpToPosition(_triggerPos);
var match = _rxFuncBeforeBracket.Match(lineText);
if (match.Success)
{
var line = snapshot.GetLineFromPosition(_triggerPos);
var word1 = match.Groups[2].Value;
var word1Start = line.Start.Position + match.Groups[2].Index;
var funcName = match.Groups[3].Value;
var funcNameStart = line.Start.Position + match.Groups[3].Index;
var fileStore = FileStore.GetOrCreateForTextBuffer(_textBuffer);
if (fileStore != null)
{
if (!string.IsNullOrEmpty(word1))
{
VsText.ITrackingSpan applicableToSpan = null;
var fileName = VsTextUtil.TryGetDocumentFileName(snapshot.TextBuffer);
var model = fileStore.GetMostRecentModel(appSettings, fileName, snapshot, "Signature help after '(' - dot separated words");
var modelPos = model.AdjustPosition(word1Start, snapshot);
foreach (var word1Def in model.DefinitionProvider.GetAny(modelPos, word1))
{
if (!word1Def.AllowsChild)
{
continue;
}
foreach (var word2Def in word1Def.GetChildDefinitions(funcName))
{
if (!word2Def.ArgumentsRequired)
{
continue;
}
if (applicableToSpan == null)
{
applicableToSpan = snapshot.CreateTrackingSpan(new VsText.Span(_triggerPos, 0), VsText.SpanTrackingMode.EdgeInclusive);
}
yield return(CreateSignature(_textBuffer, word2Def.ArgumentsSignature, applicableToSpan));
}
}
}
else
{
VsText.ITrackingSpan applicableToSpan = null;
var fileName = VsTextUtil.TryGetDocumentFileName(snapshot.TextBuffer);
var model = fileStore.GetMostRecentModel(appSettings, fileName, snapshot, "Signature help after '('");
var modelPos = model.AdjustPosition(funcNameStart, snapshot);
foreach (var def in model.DefinitionProvider.GetAny(modelPos, funcName))
{
if (!def.ArgumentsRequired)
{
continue;
}
if (applicableToSpan == null)
{
applicableToSpan = snapshot.CreateTrackingSpan(new VsText.Span(_triggerPos, 0), VsText.SpanTrackingMode.EdgeInclusive);
}
yield return(CreateSignature(_textBuffer, def.ArgumentsSignature, applicableToSpan));
}
}
}
}
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || quickInfoContent == null)
{
return;
}
if (session.TextView.TextBuffer == this.TextBuffer)
{
ITextSnapshot currentSnapshot = this.TextBuffer.CurrentSnapshot;
SnapshotPoint?triggerPoint = session.GetTriggerPoint(currentSnapshot);
if (!triggerPoint.HasValue)
{
return;
}
#region experimental
/* use the experimental model to locate and process the expression */
Stopwatch stopwatch = Stopwatch.StartNew();
// lex the entire document
var input = new SnapshotCharStream(currentSnapshot, new Span(0, currentSnapshot.Length));
var lexer = new AlloyLexer(input);
var tokens = new CommonTokenStream(lexer);
tokens.Fill();
// locate the last token before the trigger point
while (true)
{
IToken nextToken = tokens.LT(1);
if (nextToken.Type == CharStreamConstants.EndOfFile)
{
break;
}
if (nextToken.StartIndex > triggerPoint.Value.Position)
{
break;
}
tokens.Consume();
}
switch (tokens.LA(-1))
{
case AlloyLexer.IDENTIFIER:
case AlloyLexer.KW_THIS:
case AlloyLexer.KW_UNIV:
case AlloyLexer.KW_IDEN:
case AlloyLexer.KW_INT2:
case AlloyLexer.KW_SEQINT:
case AlloyLexer.INTEGER:
break;
default:
return;
}
Network network = NetworkBuilder <AlloySimplifiedAtnBuilder> .GetOrBuildNetwork();
RuleBinding memberSelectRule = network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.BinOpExpr18);
#if DEBUG && false
HashSet <Transition> memberSelectTransitions = new HashSet <Transition>(ObjectReferenceEqualityComparer <Transition> .Default);
GetReachableTransitions(memberSelectRule, memberSelectTransitions);
#endif
NetworkInterpreter interpreter = new NetworkInterpreter(network, tokens);
interpreter.BoundaryRules.Add(memberSelectRule);
//interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.UnaryExpression));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.LetDecl));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.NameListName));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.Ref));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.Module));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.Open));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.FactDecl));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.AssertDecl));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.FunctionName));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.CmdDecl));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.Typescope));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.EnumDecl));
interpreter.BoundaryRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.ElseClause));
interpreter.ExcludedStartRules.Add(network.GetRule(AlloySimplifiedAtnBuilder.RuleNames.CallArguments));
while (interpreter.TryStepBackward())
{
if (interpreter.Contexts.Count == 0)
{
break;
}
/* we want all traces to start outside the binOpExpr18 rule, which means all
* traces with a transition reachable from binOpExpr18 should contain a push
* transition with binOpExpr18's start state as its target.
*/
if (interpreter.Contexts.All(context => context.BoundedStart))
{
break;
}
}
HashSet <InterpretTrace> contexts = new HashSet <InterpretTrace>(BoundedStartInterpretTraceEqualityComparer.Default);
if (interpreter.Contexts.Count > 0)
{
contexts.UnionWith(interpreter.Contexts);
}
else
{
contexts.UnionWith(interpreter.BoundedStartContexts);
}
IOutputWindowPane pane = Provider.OutputWindowService.TryGetPane(PredefinedOutputWindowPanes.TvlIntellisense);
if (pane != null)
{
pane.WriteLine(string.Format("Located {0} QuickInfo expression(s) in {1}ms.", contexts.Count, stopwatch.ElapsedMilliseconds));
}
HashSet <Span> spans = new HashSet <Span>();
foreach (var context in contexts)
{
Span?span = null;
foreach (var transition in context.Transitions)
{
if (!transition.Transition.IsMatch)
{
continue;
}
IToken token = transition.Token;
Span tokenSpan = new Span(token.StartIndex, token.StopIndex - token.StartIndex + 1);
if (span == null)
{
span = tokenSpan;
}
else
{
span = Span.FromBounds(Math.Min(span.Value.Start, tokenSpan.Start), Math.Max(span.Value.End, tokenSpan.End));
}
}
if (span.HasValue)
{
spans.Add(span.Value);
}
}
//List<Expression> expressions = new List<Expression>();
//HashSet<string> finalResult = new HashSet<string>();
//SnapshotSpan? contextSpan = null;
bool foundInfo = false;
foreach (var span in spans)
{
if (!span.IsEmpty)
{
VirtualSnapshotSpan selection = new VirtualSnapshotSpan(new SnapshotSpan(currentSnapshot, span));
if (!selection.IsEmpty && selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
{
try
{
Expression currentExpression = Provider.IntellisenseCache.ParseExpression(selection);
if (currentExpression != null && currentExpression.Span.HasValue && currentExpression.Span.Value.Contains(triggerPoint.Value))
{
applicableToSpan = currentExpression.Span.Value.Snapshot.CreateTrackingSpan(currentExpression.Span.Value, SpanTrackingMode.EdgeExclusive);
quickInfoContent.Add(currentExpression.ToString());
foundInfo = true;
}
}
catch (Exception ex)
{
if (ErrorHandler.IsCriticalException(ex))
{
throw;
}
quickInfoContent.Add(ex.Message);
}
}
//try
//{
// SnapshotSpan contextSpan = new SnapshotSpan(currentSnapshot, span.Value);
// Expression expression = Provider.IntellisenseCache.ParseExpression(contextSpan);
// if (expression != null)
// expressions.Add(expression);
//}
//catch (Exception e)
//{
// if (ErrorHandler.IsCriticalException(e))
// throw;
//}
}
//if (results.Count > 0)
//{
// finalResult.UnionWith(results);
// applicableToSpan = currentSnapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeExclusive);
//}
}
if (!foundInfo && spans.Count > 0)
{
foreach (var span in spans)
{
if (!span.IsEmpty)
{
VirtualSnapshotSpan selection = new VirtualSnapshotSpan(new SnapshotSpan(currentSnapshot, span));
if (!selection.IsEmpty && selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
{
applicableToSpan = selection.Snapshot.CreateTrackingSpan(selection.SnapshotSpan, SpanTrackingMode.EdgeExclusive);
break;
}
}
}
quickInfoContent.Add("Could not parse expression.");
}
//foreach (var result in finalResult)
//{
// quickInfoContent.Add(result);
//}
#endregion
#if false
var selection = session.TextView.Selection.StreamSelectionSpan;
if (selection.IsEmpty || !selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
{
SnapshotSpan?expressionSpan = Provider.IntellisenseCache.GetExpressionSpan(triggerPoint.Value);
if (expressionSpan.HasValue)
{
selection = new VirtualSnapshotSpan(expressionSpan.Value);
}
}
#endif
//VirtualSnapshotSpan selection = new VirtualSnapshotSpan();
//if (contextSpan.HasValue)
// selection = new VirtualSnapshotSpan(contextSpan.Value);
//if (!selection.IsEmpty && selection.Contains(new VirtualSnapshotPoint(triggerPoint.Value)))
//{
// applicableToSpan = selection.Snapshot.CreateTrackingSpan(selection.SnapshotSpan, SpanTrackingMode.EdgeExclusive);
// try
// {
// Expression currentExpression = Provider.IntellisenseCache.ParseExpression(selection);
// if (currentExpression != null)
// {
// SnapshotSpan? span = currentExpression.Span;
// if (span.HasValue)
// applicableToSpan = span.Value.Snapshot.CreateTrackingSpan(span.Value, SpanTrackingMode.EdgeExclusive);
// quickInfoContent.Add(currentExpression.ToString());
// }
// else
// {
// quickInfoContent.Add("Could not parse expression.");
// }
// }
// catch (Exception ex)
// {
// if (ErrorHandler.IsCriticalException(ex))
// throw;
// quickInfoContent.Add(ex.Message);
// }
//}
}
}
public static void Run(string sourceFileName, VsText.ITextSnapshot snapshot)
{
if (string.IsNullOrWhiteSpace(sourceFileName))
{
return;
}
Log.Debug("Running background FEC for file '{0}'.", sourceFileName);
var counter = 10;
while (counter > 0)
{
if (!ProbeCompiler.Instance.Mutex.WaitOne(1000))
{
Log.Debug("Waiting for other compile/FEC operation to complete...");
counter--;
if (counter == 0)
{
Log.Debug("Ran out of retries when waiting for compile/FEC operation to complete.");
return;
}
}
else
{
break;
}
}
try
{
var first = true;
var reportError = new Action <ErrorTask>(task =>
{
if (first)
{
first = false;
//ErrorTaskProvider.Instance.RemoveAllForFile(sourceFileName);
ErrorTaskProvider.Instance.RemoveAllForSource(ErrorTaskSource.BackgroundFec, sourceFileName);
}
if (task != null)
{
ErrorTaskProvider.Instance.Add(task);
}
});
var output = new CallbackOutput(line =>
{
var index = line.IndexOf(": error :");
if (index >= 0)
{
Log.Debug("Background FEC error: {0}", line);
string fileName;
int lineNum;
if (ProbeCompiler.ParseFileNameAndLine(line.Substring(0, index), out fileName, out lineNum))
{
var message = line.Substring(index + ": error :".Length).Trim();
var task = new ErrorTask(fileName, lineNum - 1, -1, message, ErrorType.Error, ErrorTaskSource.BackgroundFec, sourceFileName, snapshot);
reportError(task);
}
return;
}
index = line.IndexOf(": warning :");
if (index >= 0)
{
Log.Debug("Background FEC warning: {0}", line);
string fileName;
int lineNum;
if (ProbeCompiler.ParseFileNameAndLine(line.Substring(0, index), out fileName, out lineNum))
{
var message = line.Substring(index + ": warning :".Length).Trim();
var task = new ErrorTask(fileName, lineNum - 1, -1, message, ErrorType.Warning, ErrorTaskSource.BackgroundFec, sourceFileName, snapshot);
reportError(task);
}
return;
}
});
var workingDir = ProbeToolsPackage.TempDir;
var runner = new ProcessRunner();
runner.CaptureOutput = true;
runner.CaptureError = true;
var exitCode = runner.CaptureProcess("fec.exe", string.Concat("\"", sourceFileName, "\""), workingDir, output);
if (exitCode == 0)
{
if (first)
{
reportError(null);
}
Log.Debug("Background FEC completed successfully.");
}
else
{
Log.Write(LogLevel.Warning, "FEC.exe returned exit code {0} when running background FEC for file '{1}'.", exitCode, sourceFileName);
}
}
catch (Exception ex)
{
Log.WriteEx(ex);
}
finally
{
ProbeCompiler.Instance.Mutex.ReleaseMutex();
}
}
public IEnumerable <FunctionDropDownItem> GetFunctionDropDownList(ProbeAppSettings appSettings,
string fileName, VsText.ITextSnapshot snapshot)
{
var model = GetMostRecentModel(appSettings, fileName, snapshot, "Function drop-down list.");
var prepModel = model.PreprocessorModel;
if (prepModel == null)
{
yield break;
}
foreach (var func in model.PreprocessorModel.LocalFunctions)
{
var def = func.Definition;
if (def.EntireSpan.Length == 0)
{
continue;
}
if (!def.SourceFileName.Equals(model.FileName, StringComparison.OrdinalIgnoreCase))
{
continue;
}
yield return(new FunctionDropDownItem
{
Name = def.Name,
Span = new Span(def.SourceStartPos, def.SourceStartPos),
EntireFunctionSpan = def.EntireSpan
});
}
}