Introduced a token cache for the C++ editor.

This should speed things up a bit, because before, the line was tokenized at
least 3 times.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/plugins/cpptools/cpptoolseditorsupport.cpp b/src/plugins/cpptools/cpptoolseditorsupport.cpp
index 77cccf1018..33eed4e020 100644
--- a/src/plugins/cpptools/cpptoolseditorsupport.cpp
+++ b/src/plugins/cpptools/cpptoolseditorsupport.cpp
@@ -67,8 +67,12 @@ void CppEditorSupport::setTextEditor(TextEditor::ITextEditor *textEditor)
 {
     _textEditor = textEditor;
 
-    if (! _textEditor)
+    if (_textEditor) {
+        if (TextEditor::BaseTextEditor *ed = qobject_cast<TextEditor::BaseTextEditor *>(_textEditor->widget()))
+            _tokenCache.setDocument(ed->document());
+    } else {
         return;
+    }
 
     connect(_textEditor, SIGNAL(contentsChanged()), this, SIGNAL(contentsChanged()));
     connect(this, SIGNAL(contentsChanged()), this, SLOT(updateDocument()));
@@ -96,6 +100,11 @@ unsigned CppEditorSupport::editorRevision() const
     return 0;
 }
 
+TokenCache *CppEditorSupport::tokenCache()
+{
+    return &_tokenCache;
+}
+
 int CppEditorSupport::updateDocumentInterval() const
 { return _updateDocumentInterval; }