Also print headers from modules - once we update clang as it doesn't exist yet in our revision...


git-svn-id: https://root.cern.ch/svn/root/trunk@48228 27541ba8-7e3a-0410-8455-c3a389f83636
Check that the expression is indeed a DeclRefExpr.


git-svn-id: https://root.cern.ch/svn/root/trunk@48229 27541ba8-7e3a-0410-8455-c3a389f83636
Only visit external sources if they exist.


git-svn-id: https://root.cern.ch/svn/root/trunk@48230 27541ba8-7e3a-0410-8455-c3a389f83636