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-rw-r--r--src/HaddockUtil.hs19
-rw-r--r--src/HsParser.ly23
2 files changed, 32 insertions, 10 deletions
diff --git a/src/HaddockUtil.hs b/src/HaddockUtil.hs
index 3e7660bb..80800559 100644
--- a/src/HaddockUtil.hs
+++ b/src/HaddockUtil.hs
@@ -10,6 +10,7 @@ module HaddockUtil (
-- * Misc utilities
nameOfQName, collectNames, declBinders, declMainBinder, declSubBinders,
splitTyConApp, restrictTo, declDoc, parseModuleHeader, freeTyCons, unbang,
+ addFieldDoc, addFieldDocs, addConDoc, addConDocs,
-- * Filename utilities
basename, dirname, splitFilename3,
@@ -33,6 +34,7 @@ import System
import RegexString
import Binary
import IOExts
+import Monad
-- -----------------------------------------------------------------------------
-- Some Utilities
@@ -95,6 +97,23 @@ freeTyCons ty = go ty []
go (HsTyVar v) r = r
go (HsTyDoc t _) r = go t r
+-- -----------------------------------------------------------------------------
+-- Adding documentation to record fields (used in parsing).
+
+addFieldDoc (HsFieldDecl ns ty doc1) doc2 =
+ HsFieldDecl ns ty (doc1 `mplus` doc2)
+
+addFieldDocs [] doc = []
+addFieldDocs (x:xs) doc = addFieldDoc x doc : xs
+
+addConDoc (HsConDecl pos nm tvs ctxt typeList doc1) doc2 =
+ HsConDecl pos nm tvs ctxt typeList (doc1 `mplus` doc2)
+addConDoc (HsRecDecl pos nm tvs ctxt fields doc1) doc2=
+ HsRecDecl pos nm tvs ctxt fields (doc1 `mplus` doc2)
+
+addConDocs [] doc = []
+addConDocs (x:xs) doc = addConDoc x doc : xs
+
-- ---------------------------------------------------------------------------
-- Making abstract declarations
diff --git a/src/HsParser.ly b/src/HsParser.ly
index 5ec370b2..9a9435b5 100644
--- a/src/HsParser.ly
+++ b/src/HsParser.ly
@@ -1,5 +1,5 @@
-----------------------------------------------------------------------------
-$Id: HsParser.ly,v 1.14 2002/06/20 12:38:07 simonmar Exp $
+$Id: HsParser.ly,v 1.15 2002/07/15 10:14:31 simonmar Exp $
(c) Simon Marlow, Sven Panne 1997-2002
@@ -23,7 +23,7 @@ ToDo: Differentiate between record updates and labeled construction.
> import HsParseUtils
> import HaddockLex hiding (Token)
> import HaddockParse
-> import HaddockUtil ( parseModuleHeader )
+> import HaddockUtil hiding (splitTyConApp)
> import Char ( isSpace )
> }
@@ -189,15 +189,16 @@ The Export List
> exportlist :: { [HsExportSpec] }
> : export ',' exportlist { $1 : $3 }
-> | docgroup exportlist { $1 : $2 }
-> | docnamed exportlist { HsEDocNamed (fst $1) : $2 }
-> | docnext exportlist { HsEDoc $1 : $2 }
+> | export exp_doc ',' exportlist { $1 : $2 : $4 }
+> | exp_doc exportlist { $1 : $2 }
> | ',' exportlist { $2 }
> | export { [$1] }
> | {- empty -} { [] }
-> docgroup :: { HsExportSpec }
+> exp_doc :: { HsExportSpec }
> : docsection { case $1 of { (i,s) -> HsEGroup i s } }
+> | docnamed { HsEDocNamed (fst $1) }
+> | docnext { HsEDoc $1 }
> export :: { HsExportSpec }
> : qvar { HsEVar $1 }
@@ -299,7 +300,7 @@ shift/reduce-conflict, so we don't handle this case here, but in bodyaux.
> { HsTypeDecl $3 (fst $2) (snd $2) $5 Nothing }
> | 'data' ctype srcloc constrs deriving
> {% checkDataHeader $2 `thenP` \(cs,c,t) ->
-> returnP (HsDataDecl $3 cs c t (reverse $4) $5 Nothing) }
+> returnP (HsDataDecl $3 cs c t $4 $5 Nothing) }
> | 'newtype' ctype srcloc '=' constr deriving
> {% checkDataHeader $2 `thenP` \(cs,c,t) ->
> returnP (HsNewTypeDecl $3 cs c t $5 $6 Nothing) }
@@ -458,10 +459,11 @@ Datatype declarations
> constrs :: { [HsConDecl] }
> : {- empty; a GHC extension -} { [] }
-> | '=' constrs1 { $2 }
+> | maybe_docnext '=' constrs1 { addConDocs $3 $1 }
> constrs1 :: { [HsConDecl] }
-> : constrs1 '|' constr { $3 : $1 }
+> : constr maybe_docnext '|' maybe_docprev constrs1
+> { addConDoc $1 $4 : addConDocs $5 $2 }
> | constr { [$1] }
> constr :: { HsConDecl }
@@ -504,7 +506,8 @@ Datatype declarations
> | '!' atype { HsBangedTy $2 }
> fielddecls :: { [HsFieldDecl] }
-> : fielddecl ',' fielddecls { $1 : $3 }
+> : fielddecl maybe_docnext ',' maybe_docprev fielddecls
+> { addFieldDoc $1 $4 : addFieldDocs $5 $2 }
> | ',' fielddecls { $2 }
> | fielddecl { [$1] }
> | {- empty -} { [] }