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-rw-r--r--compiler/parser/ApiAnnotation.hs3
-rw-r--r--compiler/parser/Parser.y25
-rw-r--r--compiler/parser/RdrHsSyn.hs12
3 files changed, 24 insertions, 16 deletions
diff --git a/compiler/parser/ApiAnnotation.hs b/compiler/parser/ApiAnnotation.hs
index babd93a0ab..0c80ec7270 100644
--- a/compiler/parser/ApiAnnotation.hs
+++ b/compiler/parser/ApiAnnotation.hs
@@ -233,6 +233,8 @@ data AnnKeywordId
| AnnOpen -- ^ '(\#' or '{-\# LANGUAGE' etc
| AnnOpenC -- ^ '{'
| AnnOpenP -- ^ '('
+ | AnnOpenPE -- ^ '$('
+ | AnnOpenPTE -- ^ '$$('
| AnnOpenS -- ^ '['
| AnnPackageName
| AnnPattern
@@ -248,6 +250,7 @@ data AnnKeywordId
| AnnThen
| AnnThIdSplice -- ^ '$'
| AnnThIdTySplice -- ^ '$$'
+ | AnnThTyQuote -- ^ double '''
| AnnTilde -- ^ '~'
| AnnTildehsh -- ^ '~#'
| AnnType
diff --git a/compiler/parser/Parser.y b/compiler/parser/Parser.y
index 53a7b7c8d0..bc2bed8ad2 100644
--- a/compiler/parser/Parser.y
+++ b/compiler/parser/Parser.y
@@ -1459,7 +1459,7 @@ ctypedoc :: { LHsType RdrName }
>> return (sLL $1 $> $
mkQualifiedHsForAllTy $1 $3) }
| ipvar '::' type {% ams (sLL $1 $> (HsIParamTy (unLoc $1) $3))
- [mj AnnDcolon $2] }
+ [mj AnnVal $1,mj AnnDcolon $2] }
| typedoc { $1 }
----------------------
@@ -1556,9 +1556,10 @@ atype :: { LHsType RdrName }
[mop $1,mj AnnDcolon $3,mcp $5] }
| quasiquote { sL1 $1 (HsQuasiQuoteTy (unLoc $1)) }
| '$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceTy $2)
- [mo $1,mc $3] }
- | TH_ID_SPLICE { sLL $1 $> $ mkHsSpliceTy $ sL1 $1 $ HsVar $
- mkUnqual varName (getTH_ID_SPLICE $1) }
+ [mj AnnOpenPE $1,mj AnnCloseP $3] }
+ | TH_ID_SPLICE {%ams (sLL $1 $> $ mkHsSpliceTy $ sL1 $1 $ HsVar $
+ mkUnqual varName (getTH_ID_SPLICE $1))
+ [mj AnnThIdSplice $1] }
-- see Note [Promotion] for the followings
| SIMPLEQUOTE qcon_nowiredlist {% ams (sLL $1 $> $ HsTyVar $ unLoc $2) [mj AnnSimpleQuote $1,mj AnnName $2] }
| SIMPLEQUOTE '(' ctype ',' comma_types1 ')'
@@ -1731,9 +1732,9 @@ gadt_constrs :: { Located [LConDecl RdrName] }
gadt_constr :: { LConDecl RdrName }
-- Returns a list because of: C,D :: ty
: con_list '::' sigtype
- {% do { gadtDecl <- mkGadtDecl (unLoc $1) $3
+ {% do { (anns,gadtDecl) <- mkGadtDecl (unLoc $1) $3
; ams (sLL $1 $> $ gadtDecl)
- [mj AnnDcolon $2] } }
+ (mj AnnDcolon $2:anns) } }
-- Deprecated syntax for GADT record declarations
| oqtycon '{' fielddecls '}' '::' sigtype
@@ -2180,8 +2181,8 @@ aexp2 :: { LHsExpr RdrName }
| SIMPLEQUOTE qvar {% ams (sLL $1 $> $ HsBracket (VarBr True (unLoc $2))) [mj AnnSimpleQuote $1,mj AnnName $2] }
| SIMPLEQUOTE qcon {% ams (sLL $1 $> $ HsBracket (VarBr True (unLoc $2))) [mj AnnSimpleQuote $1,mj AnnName $2] }
- | TH_TY_QUOTE tyvar {% ams (sLL $1 $> $ HsBracket (VarBr False (unLoc $2))) [mj AnnThIdSplice $1,mj AnnName $2] }
- | TH_TY_QUOTE gtycon {% ams (sLL $1 $> $ HsBracket (VarBr False (unLoc $2))) [mj AnnThIdSplice $1,mj AnnName $2] }
+ | TH_TY_QUOTE tyvar {% ams (sLL $1 $> $ HsBracket (VarBr False (unLoc $2))) [mj AnnThTyQuote $1,mj AnnName $2] }
+ | TH_TY_QUOTE gtycon {% ams (sLL $1 $> $ HsBracket (VarBr False (unLoc $2))) [mj AnnThTyQuote $1,mj AnnName $2] }
| '[|' exp '|]' {% ams (sLL $1 $> $ HsBracket (ExpBr $2)) [mo $1,mc $3] }
| '[||' exp '||]' {% ams (sLL $1 $> $ HsBracket (TExpBr $2)) [mo $1,mc $3]}
| '[t|' ctype '|]' {% checkNoPartialType
@@ -2205,12 +2206,14 @@ splice_exp :: { LHsExpr RdrName }
(sL1 $1 $ HsVar (mkUnqual varName
(getTH_ID_SPLICE $1))))
[mj AnnThIdSplice $1] }
- | '$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceE $2) [mo $1,mc $3] }
+ | '$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceE $2)
+ [mj AnnOpenPE $1,mj AnnCloseP $3] }
| TH_ID_TY_SPLICE {% ams (sL1 $1 $ mkHsSpliceTE
(sL1 $1 $ HsVar (mkUnqual varName
(getTH_ID_TY_SPLICE $1))))
[mj AnnThIdTySplice $1] }
- | '$$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceTE $2) [mo $1,mc $3] }
+ | '$$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceTE $2)
+ [mj AnnOpenPTE $1,mj AnnCloseP $3] }
cmdargs :: { [LHsCmdTop RdrName] }
: cmdargs acmd { $2 : $1 }
@@ -2279,7 +2282,7 @@ commas_tup_tail : commas tup_tail
then [L (last $ fst $1) missingTupArg]
else $2
in (head $ fst $1
- ,(map (\l -> L l missingTupArg) (init $ fst $1)) ++ tt)) } }
+ ,(map (\l -> L l missingTupArg) (tail $ fst $1)) ++ tt)) } }
-- Always follows a comma
tup_tail :: { [LHsTupArg RdrName] }
diff --git a/compiler/parser/RdrHsSyn.hs b/compiler/parser/RdrHsSyn.hs
index ed22808ab8..cc019d14bf 100644
--- a/compiler/parser/RdrHsSyn.hs
+++ b/compiler/parser/RdrHsSyn.hs
@@ -623,9 +623,12 @@ mkSimpleConDecl name qvars cxt details
mkGadtDecl :: [Located RdrName]
-> LHsType RdrName -- Always a HsForAllTy
- -> P (ConDecl RdrName)
-mkGadtDecl names (L l ty)
- = mkGadtDecl' names (L l (flattenTopLevelHsForAllTy ty))
+ -> P ([AddAnn], ConDecl RdrName)
+mkGadtDecl names (L l ty) = do
+ let
+ (anns,ty') = flattenHsForAllTyKeepAnns ty
+ gadt <- mkGadtDecl' names (L l ty')
+ return (anns,gadt)
mkGadtDecl' :: [Located RdrName]
-> LHsType RdrName -- Always a HsForAllTy
@@ -858,8 +861,7 @@ checkAPat msg loc e0 = do
L _ (HsForAllTy Implicit _ _
(L _ []) ty) -> ty
other -> other
- return (SigPatIn e (mkHsWithBndrs
- (L (getLoc t) (HsParTy t'))))
+ return (SigPatIn e (mkHsWithBndrs t'))
-- n+k patterns
OpApp (L nloc (HsVar n)) (L _ (HsVar plus)) _