C++: Only parse with appropriate defines for open editors.

If two files from different (sub-)projects include the same header file,
and the defined macros differ for both files, the header file will be
parsed with only the appropriate macros for the including file.

Task-number: QTCREATORBUG-9802
Task-number: QTCREATORBUG-1249

Change-Id: I560490afa287b3bb1e863bce1bb4f57af36ad56e
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/src/plugins/cpptools/cppmodelmanager.h b/src/plugins/cpptools/cppmodelmanager.h
index 2ec1423e3a..e86875a63f 100644
--- a/src/plugins/cpptools/cppmodelmanager.h
+++ b/src/plugins/cpptools/cppmodelmanager.h
@@ -69,11 +69,19 @@ public:
     virtual QFuture<void> updateSourceFiles(const QStringList &sourceFiles,
         ProgressNotificationMode mode = ReservedProgressNotification);
     virtual WorkingCopy workingCopy() const;
+    virtual QByteArray codeModelConfiguration() const;
 
     virtual QList<ProjectInfo> projectInfos() const;
     virtual ProjectInfo projectInfo(ProjectExplorer::Project *project) const;
     virtual QFuture<void> updateProjectInfo(const ProjectInfo &newProjectInfo);
-    virtual QList<CppTools::ProjectPart::Ptr> projectPart(const QString &fileName) const;
+
+    /// \return All project parts that mention the given file name as one of the sources/headers.
+    virtual QList<ProjectPart::Ptr> projectPart(const QString &fileName) const;
+    /// This is a fall-back function: find all files that includes the file directly or indirectly,
+    /// and return its \c ProjectPart list for use with this file.
+    virtual QList<ProjectPart::Ptr> projectPartFromDependencies(const QString &fileName) const;
+    /// \return A synthetic \c ProjectPart which consists of all defines/includes/frameworks from
+    ///         all loaded projects.
     virtual ProjectPart::Ptr fallbackProjectPart() const;
 
     virtual CPlusPlus::Snapshot snapshot() const;