public void UpdateNodesGlyphs()
{
if (NoRefresh)
{
return;
}
bool refresh = Interlocked.Exchange(ref _explicitRefreshRequested, 0) != 0;
if (!refresh && Thread.VolatileRead(ref _nodesGlyphsDirty) != 0)
{
refresh = DateTime.Now - nextTimeRefresh >= RefreshDelay;
}
if (refresh)
{
IDisposable disableRefresh = DisableRefresh();
Debug.WriteLine("==== UpdateNodesGlyphs");
// this comes before the actual refresh, since a change on the file system during
// the refresh may or may not appear in the refresh results
Thread.VolatileWrite(ref _nodesGlyphsDirty, 0);
// used for progressive backoff of the update interval for large projects
Stopwatch timer = new Stopwatch();
Dispatcher dispatcher = Dispatcher.CurrentDispatcher;
Action openTrackerAction = () =>
{
timer.Start();
OpenTracker();
foreach (GitFileStatusTracker tracker in trackers.ToArray())
{
tracker.GetChangedFiles(true);
}
timer.Stop();
};
Action <Task> continuationAction = (task) =>
{
if (task.Exception != null)
{
disableRefresh.Dispose();
return;
}
Action applyUpdatesAction = () =>
{
try
{
using (disableRefresh)
{
timer.Start();
RefreshNodesGlyphs();
RefreshToolWindows();
// make sure to defer next refresh
nextTimeRefresh = DateTime.Now;
timer.Stop();
TimeSpan totalTime = timer.Elapsed;
TimeSpan minimumRefreshInterval = new TimeSpan(totalTime.Ticks * 2);
if (minimumRefreshInterval > RefreshDelay)
{
RefreshDelay = minimumRefreshInterval;
}
}
}
catch (Exception ex)
{
if (ErrorHandler.IsCriticalException(ex))
{
throw;
}
}
};
dispatcher.BeginInvoke(applyUpdatesAction);
};
Task.Factory.StartNew(openTrackerAction, CancellationToken.None, TaskCreationOptions.LongRunning, SccProviderService.TaskScheduler)
.HandleNonCriticalExceptions()
.ContinueWith(continuationAction, TaskContinuationOptions.ExecuteSynchronously)
.HandleNonCriticalExceptions();
}
}
protected void parseSources(ParserFactory factory, IEnumerable <InputDescriptor> sources)
{
Stopwatch startTime = Stopwatch.StartNew();
Thread.VolatileWrite(ref tokenCount, 0);
int sourceCount = 0;
int inputSize = 0;
#if NET40PLUS
BlockingCollection <int> threadIdentifiers = new BlockingCollection <int>();
for (int i = 0; i < NUMBER_OF_THREADS; i++)
{
threadIdentifiers.Add(i);
}
ICollection <Task <int> > results = new List <Task <int> >();
QueuedTaskScheduler executorServiceHost = new QueuedTaskScheduler(NUMBER_OF_THREADS);
TaskScheduler executorService = executorServiceHost.ActivateNewQueue();
#else
ICollection <Func <int> > results = new List <Func <int> >();
#endif
foreach (InputDescriptor inputDescriptor in sources)
{
ICharStream input = inputDescriptor.GetInputStream();
sourceCount++;
input.Seek(0);
inputSize += input.Size;
#if NET40PLUS
Task <int> futureChecksum = Task.Factory.StartNew <int>(new Callable_1(input, factory, threadIdentifiers).call, CancellationToken.None, TaskCreationOptions.None, executorService);
#else
Func <int> futureChecksum = new Callable_1(input, factory).call;
#endif
results.Add(futureChecksum);
}
Checksum checksum = new CRC32();
foreach (var future in results)
{
#if NET40PLUS
int value = future.Result;
#else
int value = future();
#endif
if (COMPUTE_CHECKSUM)
{
updateChecksum(checksum, value);
}
}
#if NET40PLUS
executorServiceHost.Dispose();
#endif
Console.Out.WriteLine("Total parse time for {0} files ({1} KB, {2} tokens, checksum 0x{3:X8}): {4}ms",
sourceCount,
inputSize / 1024,
Thread.VolatileRead(ref tokenCount),
COMPUTE_CHECKSUM ? checksum.Value : 0,
startTime.ElapsedMilliseconds);
if (sharedLexers.Length > 0)
{
Lexer lexer = sharedLexers[0];
LexerATNSimulator lexerInterpreter = lexer.Interpreter;
DFA[] modeToDFA = lexerInterpreter.atn.modeToDFA;
if (SHOW_DFA_STATE_STATS)
{
int states = 0;
int configs = 0;
HashSet <ATNConfig> uniqueConfigs = new HashSet <ATNConfig>();
for (int i = 0; i < modeToDFA.Length; i++)
{
DFA dfa = modeToDFA[i];
if (dfa == null || dfa.states == null)
{
continue;
}
states += dfa.states.Count;
foreach (DFAState state in dfa.states.Values)
{
configs += state.configs.Count;
uniqueConfigs.UnionWith(state.configs);
}
}
Console.Out.WriteLine("There are {0} lexer DFAState instances, {1} configs ({2} unique), {3} prediction contexts.", states, configs, uniqueConfigs.Count, lexerInterpreter.atn.ContextCacheSize);
}
}
if (RUN_PARSER && sharedParsers.Length > 0)
{
Parser parser = sharedParsers[0];
// make sure the individual DFAState objects actually have unique ATNConfig arrays
ParserATNSimulator interpreter = parser.Interpreter;
DFA[] decisionToDFA = interpreter.atn.decisionToDFA;
if (SHOW_DFA_STATE_STATS)
{
int states = 0;
int configs = 0;
HashSet <ATNConfig> uniqueConfigs = new HashSet <ATNConfig>();
for (int i = 0; i < decisionToDFA.Length; i++)
{
DFA dfa = decisionToDFA[i];
if (dfa == null || dfa.states == null)
{
continue;
}
states += dfa.states.Count;
foreach (DFAState state in dfa.states.Values)
{
configs += state.configs.Count;
uniqueConfigs.UnionWith(state.configs);
}
}
Console.Out.WriteLine("There are {0} parser DFAState instances, {1} configs ({2} unique), {3} prediction contexts.", states, configs, uniqueConfigs.Count, interpreter.atn.ContextCacheSize);
}
int localDfaCount = 0;
int globalDfaCount = 0;
int localConfigCount = 0;
int globalConfigCount = 0;
int[] contextsInDFAState = new int[0];
for (int i = 0; i < decisionToDFA.Length; i++)
{
DFA dfa = decisionToDFA[i];
if (dfa == null || dfa.states == null)
{
continue;
}
if (SHOW_CONFIG_STATS)
{
foreach (DFAState state in dfa.states.Keys)
{
if (state.configs.Count >= contextsInDFAState.Length)
{
Array.Resize(ref contextsInDFAState, state.configs.Count + 1);
}
if (state.IsAcceptState)
{
bool hasGlobal = false;
foreach (ATNConfig config in state.configs)
{
if (config.ReachesIntoOuterContext)
{
globalConfigCount++;
hasGlobal = true;
}
else
{
localConfigCount++;
}
}
if (hasGlobal)
{
globalDfaCount++;
}
else
{
localDfaCount++;
}
}
contextsInDFAState[state.configs.Count]++;
}
}
if (EXPORT_LARGEST_CONFIG_CONTEXTS)
{
foreach (DFAState state in dfa.states.Keys)
{
foreach (ATNConfig config in state.configs)
{
string configOutput = config.ToDotString();
if (configOutput.Length <= configOutputSize)
{
continue;
}
configOutputSize = configOutput.Length;
writeFile(tmpdir, "d" + dfa.decision + ".s" + state.stateNumber + ".a" + config.Alt + ".config.dot", configOutput);
}
}
}
}
if (SHOW_CONFIG_STATS && currentPass == 0)
{
Console.Out.WriteLine(" DFA accept states: {0} total, {1} with only local context, {2} with a global context", localDfaCount + globalDfaCount, localDfaCount, globalDfaCount);
Console.Out.WriteLine(" Config stats: {0} total, {1} local, {2} global", localConfigCount + globalConfigCount, localConfigCount, globalConfigCount);
if (SHOW_DFA_STATE_STATS)
{
for (int i = 0; i < contextsInDFAState.Length; i++)
{
if (contextsInDFAState[i] != 0)
{
Console.Out.WriteLine(" {0} configs = {1}", i, contextsInDFAState[i]);
}
}
}
}
}
}