[commit: ghc] wip/T3384: Add HsSyn prettyprinter tests (8cf5f48)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/T3384
Link       : http://ghc.haskell.org/trac/ghc/changeset/8cf5f4898a314194324600860e2b8e67fd450a42/ghc

>---------------------------------------------------------------

commit 8cf5f4898a314194324600860e2b8e67fd450a42
Author: Alan Zimmerman <alan.zimm at gmail.com>
Date:   Tue Nov 8 21:37:48 2016 +0200

    Add HsSyn prettyprinter tests
    
    Add prettyprinter tests, which take a file, parse it, pretty print it,
    re-parse the pretty printed version and then compare the original and
    new ASTs (ignoring locations)
    
    Trac issue: #3384


>---------------------------------------------------------------

8cf5f4898a314194324600860e2b8e67fd450a42
 compiler/hsSyn/HsExpr.hs                           |   9 +-
 ghc.mk                                             |   3 +
 testsuite/mk/boilerplate.mk                        |   1 +
 testsuite/tests/boxy/Base1.stderr                  |   4 +-
 testsuite/tests/generics/GenDerivOutput.stderr     |  32 +--
 testsuite/tests/generics/GenDerivOutput1_0.stderr  |   8 +-
 testsuite/tests/generics/GenDerivOutput1_1.stderr  |  65 +++----
 .../tests/generics/T10604/T10604_deriving.stderr   |  32 +--
 testsuite/tests/printer/Makefile                   |  22 +++
 testsuite/tests/printer/Ppr001.hs                  |   7 +
 testsuite/tests/printer/Ppr002.hs                  |  46 +++++
 testsuite/tests/printer/all.T                      |   4 +
 .../tests/typecheck/should_compile/T11339.stderr   |   4 +-
 .../tests/typecheck/should_fail/T12124.stderr      |   4 +-
 .../tests/typecheck/should_fail/T7748a.stderr      |   4 +-
 utils/check-ppr/Main.hs                            | 216 +++++++++++++++++++++
 utils/check-ppr/README                             |  19 ++
 utils/check-ppr/check-ppr.cabal                    |  32 +++
 {driver/ghc => utils/check-ppr}/ghc.mk             |  18 +-
 19 files changed, 438 insertions(+), 92 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 8cf5f4898a314194324600860e2b8e67fd450a42