Aosp - Xref

The basic usage involves specifying what you're looking for:

java -Xmx32g -jar /opt/opengrok/lib/opengrok.jar \ -c /usr/bin/ctags \ -s /var/opengrok/src \ -d /var/opengrok/data \ -H -P -S -G \ -W /var/opengrok/etc/configuration.xml xref aosp

The Kythe index (the backend of cs.android.com) handles C++ very well. For a template function std::vector<T>::push_back : The basic usage involves specifying what you're looking