private void TriggerScopeChange(GherkinFileScopeChange scopeChange)
{
if (FileScopeChanged != null)
{
FileScopeChanged(this, scopeChange);
}
}
private GherkinFileScopeChange FullParse(ITextSnapshot textSnapshot, GherkinDialect gherkinDialect)
{
visualStudioTracer.Trace("Start full parsing", ParserTraceCategory);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
partialParseCount = 0;
var gherkinListener = new GherkinTextBufferParserListener(gherkinDialect, textSnapshot, projectScope);
var scanner = new GherkinScanner(gherkinDialect, textSnapshot.GetText(), 0);
scanner.Scan(gherkinListener);
var gherkinFileScope = gherkinListener.GetResult();
var result = new GherkinFileScopeChange(
gherkinFileScope,
true, true,
gherkinFileScope.GetAllBlocks(),
Enumerable.Empty <IGherkinFileBlock>());
stopwatch.Stop();
TraceFinishParse(stopwatch, "full", result);
return(result);
}
private GherkinFileScopeChange GetInvalidDialectScopeChange(GherkinTextBufferChange change)
{
var fileScope = new GherkinFileScope(null, change.ResultTextSnapshot)
{
InvalidFileEndingBlock = new InvalidFileBlock(0,
change.ResultTextSnapshot.LineCount - 1,
new ErrorInfo("Invalid Gherkin dialect!", 0, 0, null))
};
return(GherkinFileScopeChange.CreateEntireScopeChange(fileScope));
}
public static SnapshotSpan CreateChangeSpan(this GherkinFileScopeChange gherkinFileScopeChange)
{
var textSnapshot = gherkinFileScopeChange.GherkinFileScope.TextSnapshot;
if (gherkinFileScopeChange.EntireScopeChanged)
{
return(new SnapshotSpan(textSnapshot, 0, textSnapshot.Length));
}
return(gherkinFileScopeChange.ChangedBlocks.CreateSpan(textSnapshot));
}
private void EnqueueAnalyzingRequest(GherkinFileScopeChange scopeChange)
{
if (!AnalyzingEnabled)
{
return;
}
var task = new AnalyzingTask(this, scopeChange);
projectScope.GherkinProcessingScheduler.EnqueueAnalyzingRequest(task);
// task.Apply(); // synchronous execution
}
private static GherkinFileScopeChange Merge(GherkinFileScopeChange change1, GherkinFileScopeChange change2)
{
var ramainingChanged1Blocks = change1.ChangedBlocks.Intersect(change2.GherkinFileScope.GetAllBlocks()).ToArray();
var firstChanged1 = ramainingChanged1Blocks.FirstOrDefault();
var lastChanged1 = ramainingChanged1Blocks.LastOrDefault();
var firstChanged2 = change2.ChangedBlocks.First();
var lastChanged2 = change2.ChangedBlocks.Last();
var firstChanged = firstChanged1 != null && firstChanged1.GetStartLine() < firstChanged2.GetStartLine() ? firstChanged1 : firstChanged2;
var lastChanged = lastChanged1 != null && lastChanged1.GetEndLine() > lastChanged2.GetEndLine() ? lastChanged1 : lastChanged2;
var changedBlocks = change2.GherkinFileScope.GetAllBlocks().SkipFromItemInclusive(firstChanged).TakeUntilItemInclusive(lastChanged);
var shiftedBlocks = change1.ShiftedBlocks.Any() || change2.ShiftedBlocks.Any() ?
change2.GherkinFileScope.GetAllBlocks().SkipFromItemExclusive(lastChanged) :
Enumerable.Empty <IGherkinFileBlock>();
return(new GherkinFileScopeChange(change2.GherkinFileScope, false, false, changedBlocks, shiftedBlocks));
}
public IGherkinProcessingTask Merge(IGherkinProcessingTask other)
{
AnalyzingTask otherAnalyzingTask = other as AnalyzingTask;
if (otherAnalyzingTask == null || languageService != otherAnalyzingTask.languageService)
{
return(null);
}
if (otherAnalyzingTask.change.EntireScopeChanged)
{
return(otherAnalyzingTask);
}
if (change.EntireScopeChanged)
{
return(new AnalyzingTask(languageService, GherkinFileScopeChange.CreateEntireScopeChange(otherAnalyzingTask.change.GherkinFileScope)));
}
return(new AnalyzingTask(languageService, Merge(change, otherAnalyzingTask.change)));
}
private void TraceFinishParse(Stopwatch stopwatch, string parseKind, GherkinFileScopeChange result)
{
visualStudioTracer.Trace(
string.Format("Finished {0} parsing in {1} ms, {2} errors", parseKind, stopwatch.ElapsedMilliseconds, result.GherkinFileScope.TotalErrorCount()), ParserTraceCategory);
}
public AnalyzingTask(GherkinLanguageService languageService, GherkinFileScopeChange change)
{
this.languageService = languageService;
this.change = change;
}
private void RegisterScopeChange(GherkinFileScopeChange scopeChange)
{
lastGherkinFileScope = scopeChange.GherkinFileScope;
TriggerScopeChange(scopeChange);
}
public GherkinFileScopeChange Analyze(GherkinFileScopeChange change)
{
visualStudioTracer.Trace("Analyzing started", "GherkinScopeAnalyzer");
return(change); //TODO
}
