1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
From 24e6f45408083745080ff2f3710f58209041113c Mon Sep 17 00:00:00 2001
From: Luite Stegeman <stegeman@gmail.com>
Date: Sun, 28 Dec 2014 21:33:22 +0100
Subject: [PATCH] updates for GHC 7.10 and Template Haskell 2.10
---
haskell-src-meta.cabal | 4 ++--
src/Language/Haskell/Meta/Syntax/Translate.hs | 6 ++++++
src/Language/Haskell/Meta/Utils.hs | 5 ++++-
3 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/src/Language/Haskell/Meta/Syntax/Translate.hs b/src/Language/Haskell/Meta/Syntax/Translate.hs
index 189d32e..36a08f1 100644
--- a/src/Language/Haskell/Meta/Syntax/Translate.hs
+++ b/src/Language/Haskell/Meta/Syntax/Translate.hs
@@ -384,9 +384,15 @@ a .->. b = AppT (AppT ArrowT a) b
toCxt :: Hs.Context -> Cxt
toCxt = fmap toPred
where
+#if MIN_VERSION_template_haskell(2,10,0)
+ toPred (Hs.ClassA n ts) = foldl' AppT (ConT (toName n)) (fmap toType ts)
+ toPred (Hs.InfixA t1 n t2) = foldl' AppT (ConT (toName n)) (fmap toType [t1,t2])
+ toPred (Hs.EqualP t1 t2) = foldl' AppT EqualityT (fmap toType [t1,t2])
+#else
toPred (Hs.ClassA n ts) = ClassP (toName n) (fmap toType ts)
toPred (Hs.InfixA t1 n t2) = ClassP (toName n) (fmap toType [t1, t2])
toPred (Hs.EqualP t1 t2) = EqualP (toType t1) (toType t2)
+#endif
toPred a@Hs.IParam{} = noTH "toCxt" a
foldAppT :: Type -> [Type] -> Type
diff --git a/src/Language/Haskell/Meta/Utils.hs b/src/Language/Haskell/Meta/Utils.hs
index 36f7e96..d194f3e 100644
--- a/src/Language/Haskell/Meta/Utils.hs
+++ b/src/Language/Haskell/Meta/Utils.hs
@@ -166,6 +166,9 @@ renameT env new (ForallT ns cxt t) =
unVarT (VarT n) = PlainTV n
renamePreds = renameThings renamePred
+#if MIN_VERSION_template_haskell(2,10,0)
+ renamePred = renameT
+#else
renamePred env new (ClassP n ts) = let
(ts', env', new') = renameTs env new [] ts
in (ClassP (normaliseName n) ts', env', new')
@@ -174,7 +177,7 @@ renameT env new (ForallT ns cxt t) =
(t1', env1, new1) = renameT env new t1
(t2', env2, new2) = renameT env1 new1 t2
in (EqualP t1' t2', env2, new2)
-
+#endif
-- | Remove qualification, etc.
normaliseName :: Name -> Name
|