[commit: ghc] master: Pretty-printing of derived multi-parameter classes omits parentheses (6869864)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/6869864eac211885edcd4b14425fd368069e4aba/ghc

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

commit 6869864eac211885edcd4b14425fd368069e4aba
Author: Alan Zimmerman <alan.zimm at gmail.com>
Date:   Sun Oct 1 19:36:03 2017 +0200

    Pretty-printing of derived multi-parameter classes omits parentheses
    
    Summary:
    Pretty printing a splice with an HsAppType in the deriving clause, such as
    
        $([d| data Foo a = Foo a deriving (C a) |])
    
    would omit the parens.
    
    Test Plan: ./validate
    
    Reviewers: RyanGlScott, austin, bgamari
    
    Subscribers: rwbarton, thomie
    
    GHC Trac Issues: #14289
    
    Differential Revision: https://phabricator.haskell.org/D4056


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

6869864eac211885edcd4b14425fd368069e4aba
 compiler/hsSyn/Convert.hs              | 30 +++++++++++++++++++++---
 compiler/hsSyn/HsDecls.hs              |  5 ++--
 compiler/hsSyn/HsTypes.hs              | 13 ++++++++++-
 testsuite/tests/printer/Makefile       | 12 ++++++++++
 testsuite/tests/printer/T14289.hs      | 32 ++++++++++++++++++++++++++
 testsuite/tests/printer/T14289.stdout  | 16 +++++++++++++
 testsuite/tests/printer/T14289b.hs     | 42 ++++++++++++++++++++++++++++++++++
 testsuite/tests/printer/T14289b.stdout | 16 +++++++++++++
 testsuite/tests/printer/T14289c.hs     | 40 ++++++++++++++++++++++++++++++++
 testsuite/tests/printer/T14289c.stdout | 16 +++++++++++++
 testsuite/tests/printer/all.T          |  3 +++
 11 files changed, 219 insertions(+), 6 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 6869864eac211885edcd4b14425fd368069e4aba