Bind each QML document after parsing. Link them before use.

src/libs/qmljs/qmljsbind.cpp

src/libs/qmljs/qmljsbind.h

src/libs/qmljs/qmljsdocument.cpp

src/libs/qmljs/qmljsdocument.h

src/libs/qmljs/qmljslink.cpp

src/libs/qmljs/qmljslink.h

src/plugins/qmljseditor/qmlcodecompletion.cpp

src/plugins/qmljseditor/qmlhoverhandler.cpp