[Git][ghc/ghc][master] Print role annotations in TemplateHaskell brackets (#16718)

[Marge Bot]

 Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
9bc10993 by Vladislav Zavialov at 2019-06-10T12:00:16Z
Print role annotations in TemplateHaskell brackets (#16718)

- - - - -


5 changed files:

- compiler/hsSyn/HsDecls.hs
- + testsuite/tests/roles/should_compile/T16718.hs
- + testsuite/tests/roles/should_compile/T16718.stderr
- testsuite/tests/roles/should_compile/all.T
- testsuite/tests/th/T15365.stderr


Changes:

=====================================
compiler/hsSyn/HsDecls.hs
=====================================
@@ -302,6 +302,7 @@ instance (p ~ GhcPass pass, OutputableBndrId p) => Outputable (HsGroup p) where
              if isEmptyValBinds val_decls
                 then Nothing
                 else Just (ppr val_decls),
+             ppr_ds (tyClGroupRoleDecls tycl_decls),
              ppr_ds (tyClGroupTyClDecls tycl_decls),
              ppr_ds (tyClGroupInstDecls tycl_decls),
              ppr_ds deriv_decls,


=====================================
testsuite/tests/roles/should_compile/T16718.hs
=====================================
@@ -0,0 +1,7 @@
+{-# LANGUAGE RoleAnnotations, TemplateHaskell #-}
+
+module T16718 where
+
+$([d| type role P phantom
+      data P a
+    |])


=====================================
testsuite/tests/roles/should_compile/T16718.stderr
=====================================
@@ -0,0 +1,7 @@
+T16718.hs:(5,3)-(7,6): Splicing declarations
+    [d| type role P phantom
+        
+        data P a |]
+  ======>
+    type role P phantom
+    data P a


=====================================
testsuite/tests/roles/should_compile/all.T
=====================================
@@ -10,3 +10,4 @@ test('T8958', [normalise_fun(normalise_errmsg), only_ways('normal')], compile, [
 test('T10263', normal, compile, [''])
 test('T9204b', [], multimod_compile, ['T9204b', '-v0'])
 test('T14101', normal, compile, [''])
+test('T16718', normal, compile, ['-v0 -ddump-splices -dsuppress-uniques'])


=====================================
testsuite/tests/th/T15365.stderr
=====================================
@@ -4,6 +4,8 @@ T15365.hs:(9,3)-(31,6): Splicing declarations
         pattern (:!!!) :: Bool
         pattern (:!!!) = True
         
+        type role (***)
+        
         type (|||) = Either
         data (***)
         class (???)



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/9bc10993bb300d3712b0f13ec6e28621d75d4204

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/9bc10993bb300d3712b0f13ec6e28621d75d4204
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