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|
Glues lots of things together for ugen-generated
.hs files here
\begin{code}
#include "HsVersions.h"
module UgenUtil (
-- re-exported Prelude stuff
returnPrimIO, thenPrimIO,
-- stuff defined here
EXP_MODULE(UgenUtil)
) where
IMP_Ubiq()
import PreludeGlaST
#if __GLASGOW_HASKELL__ >= 200
# define ADDR GHCbase.Addr
# define PACK_STR packCString
# define PACK_BYTES packCBytes
#else
# define ADDR _Addr
# define PACK_STR _packCString
# define PACK_BYTES _packCBytes
#endif
import RdrHsSyn ( RdrName(..) )
import SrcLoc ( mkSrcLoc, noSrcLoc, SrcLoc )
\end{code}
\begin{code}
type UgnM a
= (FAST_STRING,Module,SrcLoc) -- file, module and src_loc carried down
-> PrimIO a
{-# INLINE returnUgn #-}
{-# INLINE thenUgn #-}
returnUgn x stuff = returnPrimIO x
thenUgn x y stuff
= x stuff `thenPrimIO` \ z ->
y z stuff
initUgn :: UgnM a -> IO a
initUgn action
= let
do_it = action (SLIT(""),SLIT(""),noSrcLoc)
in
#if __GLASGOW_HASKELL__ >= 200
primIOToIO do_it
#else
do_it `thenPrimIO` \ result ->
return result
#endif
ioToUgnM :: PrimIO a -> UgnM a
ioToUgnM x stuff = x
\end{code}
\begin{code}
type ParseTree = ADDR
type U_VOID_STAR = ADDR
rdU_VOID_STAR :: ADDR -> UgnM U_VOID_STAR
rdU_VOID_STAR x = returnUgn x
type U_long = Int
rdU_long :: Int -> UgnM U_long
rdU_long x = returnUgn x
type U_stringId = FAST_STRING
rdU_stringId :: ADDR -> UgnM U_stringId
{-# INLINE rdU_stringId #-}
rdU_stringId s = returnUgn (PACK_STR s)
type U_numId = Int -- ToDo: Int
rdU_numId :: ADDR -> UgnM U_numId
rdU_numId i = rdU_stringId i `thenUgn` \ y -> returnUgn ((read (_UNPK_ y))::Int)
type U_hstring = FAST_STRING
rdU_hstring :: ADDR -> UgnM U_hstring
rdU_hstring x
= ioToUgnM (_ccall_ get_hstring_len x) `thenUgn` \ len ->
ioToUgnM (_ccall_ get_hstring_bytes x) `thenUgn` \ bytes ->
returnUgn (PACK_BYTES len bytes)
\end{code}
\begin{code}
setSrcFileUgn :: FAST_STRING -> UgnM a -> UgnM a
setSrcFileUgn file action stuff@(_,mod,loc) = action (file,mod,loc)
getSrcFileUgn :: UgnM FAST_STRING
getSrcFileUgn stuff@(file,mod,loc) = returnUgn file stuff
setSrcModUgn :: Module -> UgnM a -> UgnM a
setSrcModUgn mod action stuff@(file,_,loc) = action (file,mod,loc)
getSrcModUgn :: UgnM Module
getSrcModUgn stuff@(file,mod,loc) = returnUgn mod stuff
mkSrcLocUgn :: U_long -> (SrcLoc -> UgnM a) -> UgnM a
mkSrcLocUgn ln action (file,mod,_)
= action loc (file,mod,loc)
where
loc = mkSrcLoc file ln
getSrcLocUgn :: UgnM SrcLoc
getSrcLocUgn stuff@(file,mod,loc) = returnUgn loc stuff
\end{code}
|
