-- ---------------------------------------------------------------------------
{
-module Parser ( parseModule, parseStmt, parseIdentifier, parseIface, parseType ) where
+module Parser ( parseModule, parseStmt, parseIdentifier, parseType,
+ parseHeader ) where
#define INCLUDE #include
INCLUDE "HsVersions.h"
%name parseModule module
%name parseStmt maybe_stmt
%name parseIdentifier identifier
-%name parseIface iface
%name parseType ctype
+%partial parseHeader header
%tokentype { Located Token }
%%
: topdecls { cvTopDecls $1 }
-----------------------------------------------------------------------------
--- Interfaces (.hi-boot files)
+-- Module declaration & imports only
-iface :: { ModIface }
- : 'module' modid 'where' ifacebody { mkBootIface (unLoc $2) $4 }
-
-ifacebody :: { [HsDecl RdrName] }
- : '{' ifacedecls '}' { $2 }
- | vocurly ifacedecls close { $2 }
-
-ifacedecls :: { [HsDecl RdrName] }
- : ifacedecl ';' ifacedecls { $1 : $3 }
- | ';' ifacedecls { $2 }
- | ifacedecl { [$1] }
- | {- empty -} { [] }
+header :: { Located (HsModule RdrName) }
+ : 'module' modid maybemoddeprec maybeexports 'where' header_body
+ {% fileSrcSpan >>= \ loc ->
+ return (L loc (HsModule (Just $2) $4 $6 [] $3)) }
+ | missing_module_keyword importdecls
+ {% fileSrcSpan >>= \ loc ->
+ return (L loc (HsModule Nothing Nothing $2 [] Nothing)) }
-ifacedecl :: { HsDecl RdrName }
- : var '::' sigtype
- { SigD (Sig $1 $3) }
- | 'type' syn_hdr '=' ctype
- { let (tc,tvs) = $2 in TyClD (TySynonym tc tvs $4) }
- | 'data' tycl_hdr constrs -- No deriving in hi-boot
- { TyClD (mkTyData DataType $2 Nothing (reverse (unLoc $3)) Nothing) }
- | 'data' tycl_hdr 'where' gadt_constrlist
- { TyClD (mkTyData DataType $2 Nothing (reverse (unLoc $4)) Nothing) }
- | 'newtype' tycl_hdr -- Constructor is optional
- { TyClD (mkTyData NewType $2 Nothing [] Nothing) }
- | 'newtype' tycl_hdr '=' newconstr
- { TyClD (mkTyData NewType $2 Nothing [$4] Nothing) }
- | 'class' tycl_hdr fds
- { TyClD (mkClassDecl (unLoc $2) (unLoc $3) [] emptyBag) }
+header_body :: { [LImportDecl RdrName] }
+ : '{' importdecls { $2 }
+ | vocurly importdecls { $2 }
-----------------------------------------------------------------------------
-- The Export List