[GHC] #14711: Machine readable output of coverage

[GHC]

#14711: Machine readable output of coverage
-------------------------------------+-------------------------------------
        Reporter:  Koterpillar       |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Code Coverage     |              Version:  8.2.2
      Resolution:                    |             Keywords:  newcomers
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by jml):

 There's already an `--xml-output` flag for `report`:

 {{{
 $ hpc help report
 Usage: hpc report [OPTION] .. <TIX_FILE> [<MODULE> [<MODULE> ..]]
 Output textual report about program coverage


 Options:

     --per-module                  show module level detail
     --decl-list                   show unused decls
     --exclude=[PACKAGE:][MODULE]  exclude MODULE and/or PACKAGE
     --include=[PACKAGE:][MODULE]  include MODULE and/or PACKAGE
     --srcdir=DIR                  path to source directory of .hs files
                                   multi-use of srcdir possible
     --hpcdir=DIR                  append sub-directory that contains .mix
 files
                                   default .hpc [rarely used]
     --reset-hpcdirs               empty the list of hpcdir's
                                   [rarely used]
     --xml-output                  show output in XML
     --verbosity=[0-2]             verbosity level, 0-2
                                   default 1

 $ hpc version
 hpc tools, version 0.67

 $ hpc report $(stack path --stack-yaml=stack-8.2.yaml --local-hpc-root
 )/graphql-api/graphql-api-tests/graphql-api-tests.tix --hpcdir=$(stack
 path --stack-yaml=stack-8.2.yaml --dist-dir)/hpc/ --xml-output
 <?xml version="1.0" encoding="UTF-8"?>
 <coverage name="/Users/jml/src/graphql-api/.stack-
 work/install/x86_64-osx/lts-10.4/8.2.2/hpc/graphql-api/graphql-api-tests
 /graphql-api-tests.tix">
   <summary>
     <exprs boxes="3774" count="2290"/>
     <booleans boxes="19" true="4" false="0" count="15"/>
     <guards boxes="13" true="4" false="0" count="9"/>
     <conditionals boxes="4" true="0" false="0" count="4"/>
     <qualifiers boxes="2" true="0" false="0" count="2"/>
     <alts boxes="342" count="168"/>
     <local boxes="84" count="69"/>
     <toplevel boxes="1051" count="366"/>
   </summary>
 </coverage>
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14711#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler