Files
gf-core/src/GF/API/IOGrammar.hs
2004-03-24 15:09:06 +00:00

56 lines
1.7 KiB
Haskell

module IOGrammar where
import Abstract
import qualified GFC
import PGrammar
import TypeCheck
import Compile
import ShellState
import GetGrammar
import Modules
import Option
import Operations
import UseIO
import Arch
import Monad (liftM)
-- for reading grammars and terms from strings and files
--- a heuristic way of renaming constants is used
string2absTerm :: String -> String -> Term
string2absTerm m = renameTermIn m . pTrm
renameTermIn :: String -> Term -> Term
renameTermIn m = refreshMetas [] . rename [] where
rename vs t = case t of
Abs x b -> Abs x (rename (x:vs) b)
Vr c -> if elem c vs then t else Q (zIdent m) c
App f a -> App (rename vs f) (rename vs a)
_ -> t
string2annotTree :: GFC.CanonGrammar -> Ident -> String -> Err Tree
string2annotTree gr m = annotate gr . string2absTerm (prt m) ---- prt
----string2paramList :: ConcreteST -> String -> [Term]
---string2paramList st = map (renameTrm (lookupConcrete st) . patt2term) . pPattList
shellStateFromFiles :: Options -> ShellState -> FilePath -> IOE ShellState
shellStateFromFiles opts st file = case fileSuffix file of
"cf" -> do
let opts' = addOptions (options [beVerbose]) opts
sgr <- getCFGrammar opts' file
ioeIO $ print sgr -----
return st
"gfcm" -> do
(_,_,cgr) <- compileOne opts (compileEnvShSt st []) file
ioeErr $ updateShellState opts st (cgr,(emptyMGrammar,[]))
_ -> do
let osb = if oElem showOld opts
then addOptions (options [beVerbose]) opts -- for old, no emit
else addOptions (options [beVerbose, emitCode]) opts -- for new,do
grts <- compileModule osb st file
ioeErr $ updateShellState opts st grts
--- liftM (changeModTimes rts) $ grammar2shellState opts gr