private static TextChangedEvent updateLine(TextChangeType type, int line, string text, TextChangedEvent e = null)
{
if (e==null) e = new TextChangedEvent();
ITextLine snapshot = new TextLineSnapshot(line, text, null);
e.TextChanges.Add(new TextChange(type, line, snapshot));
return e;
}
public void CheckPerformance()
{
// Sample program properties
string folder = "Compiler" + Path.DirectorySeparatorChar + "Pipeline" + Path.DirectorySeparatorChar + "Samples";
string textName = "BigBatch";
DocumentFormat documentFormat = DocumentFormat.RDZReferenceFormat;
// Create a FileCompiler for this program
DirectoryInfo localDirectory = new DirectoryInfo(PlatformUtils.GetPathForProjectFile(folder));
if (!localDirectory.Exists)
{
throw new Exception(String.Format("Directory : {0} does not exist", localDirectory.FullName));
}
CompilationProject project = new CompilationProject("test",
localDirectory.FullName, new string[] { "*.cbl", "*.cpy" },
documentFormat.Encoding, documentFormat.EndOfLineDelimiter, documentFormat.FixedLineLength, documentFormat.ColumnsLayout, new TypeCobolOptions());
FileCompiler compiler = new FileCompiler(null, textName, project.SourceFileProvider, project, documentFormat.ColumnsLayout, new TypeCobolOptions(), null, false);
// Execute a first (complete) compilation
compiler.CompileOnce();
// Append one line in the middle of the program
ITextLine newLine = new TextLineSnapshot(9211, "094215D DISPLAY '-ICLAUA = ' ICLAUA. 0000000", null);
TextChangedEvent textChangedEvent = new TextChangedEvent();
textChangedEvent.TextChanges.Add(new TextChange(TextChangeType.LineInserted, 9211, newLine));
compiler.CompilationResultsForProgram.UpdateTextLines(textChangedEvent);
// Execute a second (incremental) compilation
compiler.CompileOnce();
// Display a performance report
StringBuilder report = new StringBuilder();
report.AppendLine("Program properties :");
report.AppendLine("- " + compiler.CompilationResultsForProgram.CobolTextLines.Count + " lines");
report.AppendLine("- " + compiler.CompilationResultsForProgram.CodeElementsDocumentSnapshot.CodeElements.Count() + " code elements");
report.AppendLine("First compilation performance");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForText.FirstCompilationTime + " ms : text update");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForScanner.FirstCompilationTime + " ms : scanner");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForPreprocessor.FirstCompilationTime + " ms : preprocessor");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForCodeElementsParser.FirstCompilationTime + " ms : code elements parser");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForProgramClassParser.FirstCompilationTime + " ms : program class parser");
report.AppendLine("Incremental compilation performance");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForText.LastRefreshTime + " ms : text update");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForScanner.LastRefreshTime + " ms : scanner");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForPreprocessor.LastRefreshTime + " ms : preprocessor");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForCodeElementsParser.LastRefreshTime + " ms : code elements parser");
report.AppendLine("- " + compiler.CompilationResultsForProgram.PerfStatsForProgramClassParser.LastRefreshTime + " ms : program class parser");
Console.WriteLine(report.ToString());
}
/// <summary>
/// Send a change notification including all the text lines
/// </summary>
private void SendDocumentChangeEvent()
{
TextChangedEvent textLoadedEvent = new TextChangedEvent();
foreach (var line in lines)
{
TextChange textChange = new TextChange(TextChangeType.LineInserted, line.LineIndex, line);
textLoadedEvent.TextChanges.Add(textChange);
}
EventHandler <TextChangedEvent> textChangedEvent = TextChanged;
if (textChangedEvent != null)
{
textChangedEvent(this, textLoadedEvent);
}
}
/// <summary>
/// Reloads the text document with new chars.
/// The text source must be normalized as a sequence of Unicode chars with \r and/or \n end of line chars.
/// </summary>
public void LoadChars(IEnumerable <char> textSource)
{
// Reset document contents
lines.Clear();
// Build TextLines from chars enumerator
charsCount = 0;
int lineIndex = 0;
StringBuilder currentLineText = new StringBuilder();
bool previousCharWasCr = false;
foreach (char chr in textSource)
{
if (chr == '\r')
{
// If an end of line char is encountered, create a new line
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
lineIndex++;
charsCount += line.Length + 1; //+1 to add the \r char
// Reset StringBuilder contents for next line
currentLineText = new StringBuilder();
previousCharWasCr = true;
}
else if (chr == '\n')
{
if (!previousCharWasCr)
{
// If an end of line char is encountered, create a new line
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
lineIndex++;
charsCount += line.Length + 1; //+1 to add the \n char
// Reset StringBuilder contents for next line
currentLineText = new StringBuilder();
}
charsCount++;
previousCharWasCr = false;
}
else
{
// Append the current char to the text of the current line
currentLineText.Append(chr);
previousCharWasCr = false;
}
}
// If the last line was not terminated with end of line chars
if (currentLineText.Length > 0)
{
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
charsCount += line.Length;
}
// Send a notification of the change if enabled
if (sendNextChangeEvents)
{
// Send document cleared event
TextChangedEvent documentClearedEvent = new TextChangedEvent();
documentClearedEvent.TextChanges.Add(new TextChange(TextChangeType.DocumentCleared, 0, null));
EventHandler <TextChangedEvent> textChangedEvent = TextChanged;
if (textChangedEvent != null)
{
textChangedEvent(this, documentClearedEvent);
}
// Send all new text lines
SendDocumentChangeEvent();
}
}
/// <summary>
/// Send a change notification including all the text lines
/// </summary>
private void SendDocumentChangeEvent()
{
TextChangedEvent textLoadedEvent = new TextChangedEvent();
foreach (var line in lines)
{
TextChange textChange = new TextChange(TextChangeType.LineInserted, line.LineIndex, line);
textLoadedEvent.TextChanges.Add(textChange);
}
EventHandler<TextChangedEvent> textChangedEvent = TextChanged;
if (textChangedEvent != null)
{
textChangedEvent(this, textLoadedEvent);
}
}
/// <summary>
/// Reloads the text document with new chars.
/// The text source must be normalized as a sequence of Unicode chars with \r and/or \n end of line chars.
/// </summary>
public void LoadChars(IEnumerable<char> textSource)
{
// Reset document contents
lines.Clear();
// Build TextLines from chars enumerator
charsCount = 0;
int lineIndex = 0;
StringBuilder currentLineText = new StringBuilder();
bool previousCharWasCr = false;
foreach (char chr in textSource)
{
if (chr == '\r')
{
// If an end of line char is encountered, create a new line
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
lineIndex++;
charsCount += line.Length;
// Reset StringBuilder contents for next line
currentLineText = new StringBuilder();
previousCharWasCr = true;
}
else if (chr == '\n')
{
if (!previousCharWasCr)
{
// If an end of line char is encountered, create a new line
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
lineIndex++;
charsCount += line.Length;
// Reset StringBuilder contents for next line
currentLineText = new StringBuilder();
}
previousCharWasCr = false;
}
else
{
// Append the current char to the text of the current line
currentLineText.Append(chr);
previousCharWasCr = false;
}
}
// If the last line was not terminated with end of line chars
if (currentLineText.Length > 0)
{
ReadOnlyTextLine line = new ReadOnlyTextLine(lineIndex, charsCount, currentLineText.ToString(), null);
lines.Add(line);
charsCount += line.Length;
}
// Send a notification of the change if enabled
if (sendNextChangeEvents)
{
// Send document cleared event
TextChangedEvent documentClearedEvent = new TextChangedEvent();
documentClearedEvent.TextChanges.Add(new TextChange(TextChangeType.DocumentCleared, 0, null));
EventHandler<TextChangedEvent> textChangedEvent = TextChanged;
if (textChangedEvent != null)
{
textChangedEvent(this, documentClearedEvent);
}
// Send all new text lines
SendDocumentChangeEvent();
}
}
/// <summary>
/// Update the text lines of the document after a text change event.
/// NOT thread-safe : this method can only be called from the owner thread.
/// </summary>
public void UpdateTextLines(TextChangedEvent textChangedEvent)
{
// This method can only be called by the document owner thread
if (documentOwnerThread == null)
{
documentOwnerThread = Thread.CurrentThread;
}
else
{
VerifyAccess();
}
// Make sure we don't update the document while taking a snapshot
DocumentChangedEvent<ICobolTextLine> documentChangedEvent = null;
lock (lockObjectForDocumentLines)
{
// Start perf measurement
PerfStatsForText.OnStartRefresh();
// Apply text changes to the compilation document
IList<DocumentChange<ICobolTextLine>> documentChanges = new List<DocumentChange<ICobolTextLine>>(textChangedEvent.TextChanges.Count);
foreach (TextChange textChange in textChangedEvent.TextChanges)
{
DocumentChange<ICobolTextLine> appliedChange = null;
CodeElementsLine newLine = null;
switch (textChange.Type)
{
case TextChangeType.DocumentCleared:
compilationDocumentLines.Clear();
appliedChange = new DocumentChange<ICobolTextLine>(DocumentChangeType.DocumentCleared, 0, null);
// Ignore all previous document changes : they are meaningless now that the document was completely cleared
documentChanges.Clear();
break;
case TextChangeType.LineInserted:
newLine = CreateNewDocumentLine(textChange.NewLine, TextSourceInfo.ColumnsLayout);
compilationDocumentLines.Insert(textChange.LineIndex, newLine);
appliedChange = new DocumentChange<ICobolTextLine>(DocumentChangeType.LineInserted, textChange.LineIndex, newLine);
// Recompute the line indexes of all the changes prevously applied
foreach (DocumentChange<ICobolTextLine> documentChangeToAdjust in documentChanges)
{
if(documentChangeToAdjust.LineIndex >= textChange.LineIndex)
{
documentChangeToAdjust.LineIndex = documentChangeToAdjust.LineIndex + 1;
}
}
break;
case TextChangeType.LineUpdated:
newLine = CreateNewDocumentLine(textChange.NewLine, TextSourceInfo.ColumnsLayout);
compilationDocumentLines[textChange.LineIndex] = newLine;
// Check to see if this change can be merged with a previous one
bool changeAlreadyApplied = false;
foreach (DocumentChange<ICobolTextLine> documentChangeToAdjust in documentChanges)
{
if (documentChangeToAdjust.LineIndex == textChange.LineIndex)
{
changeAlreadyApplied = true;
break;
}
}
if (!changeAlreadyApplied)
{
appliedChange = new DocumentChange<ICobolTextLine>(DocumentChangeType.LineUpdated, textChange.LineIndex, newLine);
}
// Line indexes are not impacted
break;
case TextChangeType.LineRemoved:
compilationDocumentLines.RemoveAt(textChange.LineIndex);
appliedChange = new DocumentChange<ICobolTextLine>(DocumentChangeType.LineRemoved, textChange.LineIndex, null);
// Recompute the line indexes of all the changes prevously applied
IList<DocumentChange<ICobolTextLine>> documentChangesToRemove = null;
foreach (DocumentChange<ICobolTextLine> documentChangeToAdjust in documentChanges)
{
if (documentChangeToAdjust.LineIndex > textChange.LineIndex)
{
documentChangeToAdjust.LineIndex = documentChangeToAdjust.LineIndex - 1;
}
else if(documentChangeToAdjust.LineIndex == textChange.LineIndex)
{
if(documentChangesToRemove == null)
{
documentChangesToRemove = new List<DocumentChange<ICobolTextLine>>(1);
}
documentChangesToRemove.Add(documentChangeToAdjust);
}
}
// Ignore all previous changes applied to a line now removed
if(documentChangesToRemove != null)
{
foreach (DocumentChange<ICobolTextLine> documentChangeToRemove in documentChangesToRemove)
{
documentChanges.Remove(documentChangeToRemove);
}
}
break;
}
if (appliedChange != null)
{
documentChanges.Add(appliedChange);
}
}
// Create a new version of the document to track these changes
currentTextLinesVersion.changes = documentChanges;
currentTextLinesVersion.next = new DocumentVersion<ICobolTextLine>(currentTextLinesVersion);
// Prepare an event to signal document change to all listeners
documentChangedEvent = new DocumentChangedEvent<ICobolTextLine>(currentTextLinesVersion, currentTextLinesVersion.next);
currentTextLinesVersion = currentTextLinesVersion.next;
// Stop perf measurement
PerfStatsForText.OnStopRefresh();
}
// Send events to all listeners
EventHandler<DocumentChangedEvent<ICobolTextLine>> textLinesChanged = TextLinesChanged; // avoid race condition
if (textLinesChanged != null)
{
textLinesChanged(this, documentChangedEvent);
}
}
public void OnTextChanged(object sender, TextChangedEvent textChangedEvent)
{
LastTextChangedEvent = textChangedEvent;
}
/// <summary>
/// Update the text contents of the file
/// </summary>
public void UpdateSourceFile(string fileName, TextChangedEvent textChangedEvent)
{
FileCompiler fileCompilerToUpdate = null;
if (OpenedFileCompilers.TryGetValue(fileName, out fileCompilerToUpdate))
{
fileCompilerToUpdate.CompilationResultsForProgram.UpdateTextLines(textChangedEvent);
fileCompilerToUpdate.CompilationResultsForProgram.UpdateTokensLines();
}
}
/// <summary>
/// Send a change notification including all the text lines
/// </summary>
private void SendSocumentChangeEvent()
{
TextChangedEvent initialEvent = new TextChangedEvent();
int lineIndex = 0;
foreach (ITextLine textLine in Lines)
{
TextChange lineAdded = new TextChange(TextChangeType.LineInserted, lineIndex, textLine);
initialEvent.TextChanges.Add(lineAdded);
lineIndex++;
}
RaiseTextChanged(initialEvent);
}
private void RaiseTextChanged(TextChangedEvent textEvent)
{
EventHandler<TextChangedEvent> textChanged = TextChanged;
if (textChanged != null)
{
textChanged(this, textEvent);
}
}
void ILineTracker.ChangeComplete(DocumentChangeEventArgs e)
{
if (sendNextChangeEvents)
{
RaiseTextChanged(textChangedEvent);
textChangedEvent = new TextChangedEvent();
}
}
public override void OnDidChangeTextDocument(DidChangeTextDocumentParams parameters)
{
Uri objUri = new Uri(parameters.uri);
if (objUri.IsFile)
{
string fileName = Path.GetFileName(objUri.LocalPath);
var fileCompiler = typeCobolWorkspace.OpenedFileCompilers[fileName];
#region Convert text changes format from multiline range replacement to single line updates
// THIS CONVERSION STILL NEEDS MORE WORK : much more complicated than you would think
TextChangedEvent textChangedEvent = new TextChangedEvent();
foreach (var contentChange in parameters.contentChanges)
{
// Split the text updated into distinct lines
string[] lineUpdates = null;
bool replacementTextStartsWithNewLine = false;
if(contentChange.text != null && contentChange.text.Length > 0)
{
replacementTextStartsWithNewLine = contentChange.text[0] == '\r' || contentChange.text[0] == '\n';
lineUpdates = contentChange.text.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
}
// Document cleared
if (contentChange.range == null)
{
var textChange = new TextChange(TextChangeType.DocumentCleared, 0, null);
textChangedEvent.TextChanges.Add(textChange);
if (lineUpdates != null)
{
for (int i = 0; i < lineUpdates.Length; i++)
{
textChange = new TextChange(TextChangeType.LineInserted, i, new TextLineSnapshot(i, lineUpdates[i], null));
textChangedEvent.TextChanges.Add(textChange);
}
}
}
// Document updated
else
{
// Check if the first line was inserted
int firstLineIndex = contentChange.range.start.line;
int firstLineChar = contentChange.range.start.character;
if (replacementTextStartsWithNewLine)
{
firstLineIndex++;
firstLineChar = 0;
}
// Check if the last line was deleted
int lastLineIndex = contentChange.range.end.line;
bool lastLineDeleted = false;
if (contentChange.range.end.line > contentChange.range.start.line && contentChange.range.end.character == 0)
{
lastLineIndex--;
lastLineDeleted = true;
}
if(!lastLineDeleted && contentChange.text.Length == 0)
{
lineUpdates = new string[0];
}
// Get original lines text before change
string originalFirstLineText = fileCompiler.CompilationResultsForProgram.CobolTextLines[contentChange.range.start.line].Text;
string originalLastLineText = originalFirstLineText;
if(lastLineIndex > firstLineIndex)
{
originalLastLineText = fileCompiler.CompilationResultsForProgram.CobolTextLines[lastLineIndex].Text;
}
// Text not modified at the beginning of the first replaced line
string startOfFirstLine = null;
if (firstLineChar > 0)
{
startOfFirstLine = originalFirstLineText.Substring(0, contentChange.range.start.character);
}
// Text not modified at the end of the last replaced line
string endOfLastLine = null;
if (!lastLineDeleted && contentChange.range.end.character < originalLastLineText.Length)
{
endOfLastLine = originalLastLineText.Substring(contentChange.range.end.character);
}
// Remove all the old lines
for (int i = firstLineIndex; i <= lastLineIndex; i++)
{
var textChange = new TextChange(TextChangeType.LineRemoved, firstLineIndex, null);
textChangedEvent.TextChanges.Add(textChange);
}
// Insert the updated lines
if (!(startOfFirstLine == null && lineUpdates == null && endOfLastLine == null))
{
int lineUpdatesCount = (lineUpdates != null && lineUpdates.Length > 0) ? lineUpdates.Length : 1;
for (int i = 0; i < lineUpdatesCount; i++)
{
string newLine = (lineUpdates != null && lineUpdates.Length > 0) ? lineUpdates[i] : String.Empty;
if (i == 0)
{
newLine = startOfFirstLine + newLine;
}
if(i == lineUpdatesCount - 1)
{
newLine = newLine + endOfLastLine;
if (lastLineDeleted) break;
}
var textChange = new TextChange(TextChangeType.LineInserted, firstLineIndex + i, new TextLineSnapshot(firstLineIndex + i, newLine, null));
textChangedEvent.TextChanges.Add(textChange);
}
}
}
}
#endregion
// Update the source file with the computed text changes
typeCobolWorkspace.UpdateSourceFile(fileName, textChangedEvent);
// DEBUG information
RemoteConsole.Log("Udpated source file : " + fileName);
foreach(var textChange in textChangedEvent.TextChanges)
{
RemoteConsole.Log(" - " + textChange.ToString());
}
}
}
