[GHC] #10068: Make the runtime reflection API for names, modules, locations more systematic

[GHC]

#10068: Make the runtime reflection API for names, modules, locations more
systematic
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.8.4
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by simonpj):

 See #10311 for why we might want to give further structure to the
 `Package` type too.  Thus:
  * `Module` = `ModuleName` + `Package`
  * `Package` lets you get the package ''name'' (e.g.
 `containers-0.5.5.1`), and the package ''key'' (e.g.
 `conta_47ajk3tbda43DFWyeF3oHQ`)

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10068#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler