Clang: Use completion through backend process

This makes us independent of libclang crashes for completion.
Re-parsing for highlighting still happens in the Qt Creator process.

Run in verbose mode:
    qtc.clangcodemodel.ipc=true

Run tests:
    -test "ClangCodeModel"

Task-number: QTCREATORBUG-14108
Task-number: QTCREATORBUG-12819
Change-Id: Id3e95bd2afdb6508bbd1d35fddc69534a909b905
Reviewed-by: Marco Bubke <[email protected]>

1 files changed, 18 insertions, 3 deletions

diff --git a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
index 7028365e890..8f68803eb0c 100644
--- a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
+++ b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
@@ -34,6 +34,11 @@
 #include "pchmanager.h"
 #include "utils.h"
 
+#ifdef WITH_TESTS
+#  include "test/clangcodecompletion_test.h"
+#  include "test/clangcompletioncontextanalyzertest.h"
+#endif
+
 #include <cpptools/cppmodelmanager.h>
 
 #include <projectexplorer/projectpanelfactory.h>
@@ -73,9 +78,8 @@ bool ClangCodeModelPlugin::initialize(const QStringList &arguments, QString *err
     connect(cppModelManager, &CppTools::CppModelManager::projectPartsUpdated,
             pchManager, &PchManager::onProjectPartsUpdated);
 
-    // Register ModelManagerSupport
-    m_modelManagerSupport.reset(new ModelManagerSupport);
-    cppModelManager->addModelManagerSupport(m_modelManagerSupport.data());
+    // Register ModelManagerSupportProvider
+    cppModelManager->addModelManagerSupportProvider(&m_modelManagerSupportProvider);
 
     return true;
 }
@@ -84,5 +88,16 @@ void ClangCodeModelPlugin::extensionsInitialized()
 {
 }
 
+#ifdef WITH_TESTS
+QList<QObject *> ClangCodeModelPlugin::createTestObjects() const
+{
+    return {
+        new Tests::ClangCodeCompletionTest,
+        new Tests::ClangCompletionContextAnalyzerTest
+    };
+}
+#endif
+
+
 } // namespace Internal
 } // namespace Clang