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 <marco.bubke@theqtcompany.com>

1 files changed, 13 insertions, 8 deletions

diff --git a/src/plugins/cpptools/cppmodelmanagersupportinternal.cpp b/src/plugins/cpptools/cppmodelmanagersupportinternal.cpp
index 46f750e8b1..02100c0f1b 100644
--- a/src/plugins/cpptools/cppmodelmanagersupportinternal.cpp
+++ b/src/plugins/cpptools/cppmodelmanagersupportinternal.cpp
@@ -37,24 +37,29 @@
 using namespace CppTools;
 using namespace CppTools::Internal;
 
-ModelManagerSupportInternal::ModelManagerSupportInternal()
-    : m_completionAssistProvider(new InternalCompletionAssistProvider)
+QString ModelManagerSupportProviderInternal::id() const
 {
+    return QLatin1String("CppTools.BuiltinCodeModel");
 }
 
-ModelManagerSupportInternal::~ModelManagerSupportInternal()
+QString ModelManagerSupportProviderInternal::displayName() const
 {
+    return QCoreApplication::translate("ModelManagerSupportInternal::displayName",
+                                       "Qt Creator Built-in");
 }
 
-QString ModelManagerSupportInternal::id() const
+ModelManagerSupport::Ptr ModelManagerSupportProviderInternal::createModelManagerSupport()
 {
-    return QLatin1String("CppTools.BuiltinCodeModel");
+    return ModelManagerSupport::Ptr(new ModelManagerSupportInternal);
 }
 
-QString ModelManagerSupportInternal::displayName() const
+ModelManagerSupportInternal::ModelManagerSupportInternal()
+    : m_completionAssistProvider(new InternalCompletionAssistProvider)
+{
+}
+
+ModelManagerSupportInternal::~ModelManagerSupportInternal()
 {
-    return QCoreApplication::translate("ModelManagerSupportInternal::displayName",
-                                       "Qt Creator Built-in");
 }
 
 BaseEditorDocumentProcessor *ModelManagerSupportInternal::editorDocumentProcessor(