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|
Glues lots of things together for ugen-generated
.hs files here
\begin{code}
module UgenUtil (
-- stuff defined here
module UgenUtil,
Addr
) where
#include "HsVersions.h"
import GlaExts
import Name
import SrcLoc ( mkSrcLoc, noSrcLoc, SrcLoc )
import FastString ( FastString, mkFastCharString, mkFastCharString2 )
\end{code}
\begin{code}
type UgnM a
= (FastString,Module,SrcLoc) -- file, module and src_loc carried down
-> IO a
{-# INLINE returnUgn #-}
{-# INLINE thenUgn #-}
returnUgn x stuff = return x
thenUgn x y stuff
= x stuff >>= \ z ->
y z stuff
initUgn :: UgnM a -> IO a
initUgn action = action (SLIT(""),mkSrcModule "",noSrcLoc)
ioToUgnM :: IO 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 = FastString
rdU_stringId :: Addr -> UgnM U_stringId
{-# INLINE rdU_stringId #-}
rdU_stringId s = returnUgn (mkFastCharString 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 = FastString
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 (mkFastCharString2 bytes len)
\end{code}
\begin{code}
setSrcFileUgn :: FastString -> UgnM a -> UgnM a
setSrcFileUgn file action stuff@(_,mod,loc) = action (file,mod,loc)
getSrcFileUgn :: UgnM FastString
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}
|
