GitHub/gf-core
1
0
Fork 1
mirror of https://github.com/GrammaticalFramework/gf-core.git synced 2026-05-01 07:12:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

"Committed_by_peb"

Browse Source
This commit is contained in:
peb
2005-05-09 08:25:56 +00:00
parent 01696e4f86
commit 2b059b811d
31 changed files with 1390 additions and 482 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
src/GF/Conversion/GFCtoSimple.hs
View File

@@ -4,13 +4,17 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/04/21 16:21:50 $
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.5 $
-- > CVS $Date: 2005/05/09 09:28:43 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.6 $
--
-- Converting GFC to SimpleGFC
--
-- the conversion might fail if the GFC grammar has dependent or higher-order types
-- the conversion might fail if the GFC grammar has dependent or higher-order types,
-- or if the grammar contains bound pattern variables
-- (use -optimize=values/share/none when importing)
--
-- TODO: lift all functions to the 'Err' monad
-----------------------------------------------------------------------------
module GF.Conversion.GFCtoSimple
@@ -38,7 +42,7 @@ type Env = (CanonGrammar, I.Ident)
convertGrammar :: Env -> SGrammar
convertGrammar gram = trace2 "GFCtoSimple - concrete language" (prt (snd gram)) $
tracePrt "GFCtoSimple - nr. simpleGFC rules" (prt . length) $
tracePrt "GFCtoSimple - simpleGFC rules" (prt . length) $
[ convertAbsFun gram fun typing |
A.Mod (A.MTAbs modname) _ _ _ defs <- modules,
A.AbsDFun fun typing _ <- defs ]
@@ -63,21 +67,21 @@ convertAbstract env fun a
convertType :: Var -> [TTerm] -> A.Exp -> SDecl
convertType x args (A.EApp a b) = convertType x (convertExp [] b : args) a
convertType x args (A.EAtom at) = Decl x (convertCat at) args
convertType x args exp = error $ "convertType: " ++ prt exp
convertType x args exp = error $ "GFCtoSimple.convertType: " ++ prt exp
convertExp :: [TTerm] -> A.Exp -> TTerm
convertExp args (A.EAtom at) = convertAtom args at
convertExp args (A.EApp a b) = convertExp (convertExp [] b : args) a
convertExp args exp = error $ "convertExp: " ++ prt exp
convertExp args exp = error $ "GFCtoSimple.convertExp: " ++ prt exp
convertAtom :: [TTerm] -> A.Atom -> TTerm
convertAtom args (A.AC con) = con :@ reverse args
convertAtom [] (A.AV var) = TVar var
convertAtom args atom = error $ "convertAtom: " ++ prt args ++ " " ++ prt atom
convertAtom args atom = error $ "GFCtoSimple.convertAtom: " ++ prt args ++ " " ++ prt atom
convertCat :: A.Atom -> SCat
convertCat (A.AC (A.CIQ _ cat)) = cat
convertCat atom = error $ "convertCat: " ++ show atom
convertCat atom = error $ "GFCtoSimple.convertCat: " ++ show atom
----------------------------------------------------------------------
-- concrete definitions
@@ -88,45 +92,43 @@ convertConcrete gram (Abs decl args name) = Cnc ltyp largs term
ltyp : largs = map (convertCType gram . lookupCType gram) (decl : args)
convertCType :: Env -> A.CType -> SLinType
convertCType gram (A.RecType rec)
= RecT [ (lbl, convertCType gram ctype) | A.Lbg lbl ctype <- rec ]
convertCType gram (A.Table ptype vtype)
= TblT (convertCType gram ptype) (convertCType gram vtype)
convertCType gram ct@(A.Cn con) = ConT con $ map (convertTerm gram) $ groundTerms gram ct
convertCType gram (A.TStr) = StrT
convertCType gram (A.TInts n) = error "convertCType: cannot handle 'TInts' constructor"
convertCType gram (A.RecType rec) = RecT [ (lbl, convertCType gram ctype) | A.Lbg lbl ctype <- rec ]
convertCType gram (A.Table pt vt) = TblT (convertCType gram pt) (convertCType gram vt)
convertCType gram ct@(A.Cn con) = ConT con $ map (convertTerm gram) $ groundTerms gram ct
convertCType gram (A.TStr) = StrT
convertCType gram (A.TInts n) = error "GFCtoSimple.convertCType: cannot handle 'TInts' constructor"
convertTerm :: Env -> A.Term -> STerm
convertTerm gram (A.Arg arg) = convertArgVar arg
convertTerm gram (A.Arg arg) = convertArgVar arg
convertTerm gram (A.Con con terms) = con :^ map (convertTerm gram) terms
convertTerm gram (A.LI var) = Var var
convertTerm gram (A.R rec) = Rec [ (lbl, convertTerm gram term) | A.Ass lbl term <- rec ]
convertTerm gram (A.P term lbl) = convertTerm gram term +. lbl
-- convertTerm gram (A.LI var) = Var var
convertTerm gram (A.R rec) = Rec [ (lbl, convertTerm gram term) | A.Ass lbl term <- rec ]
convertTerm gram (A.P term lbl) = convertTerm gram term +. lbl
convertTerm gram (A.V ctype terms) = Tbl [ (convertTerm gram pat, convertTerm gram term) |
(pat, term) <- zip (groundTerms gram ctype) terms ]
convertTerm gram (A.T ctype tbl) = Tbl [ (convertPatt pat, convertTerm gram term) |
A.Cas pats term <- tbl, pat <- pats ]
convertTerm gram (A.S term sel) = convertTerm gram term +! convertTerm gram sel
convertTerm gram (A.T ctype tbl) = Tbl [ (convertPatt pat, convertTerm gram term) |
A.Cas pats term <- tbl, pat <- pats ]
convertTerm gram (A.S term sel) = convertTerm gram term :! convertTerm gram sel
convertTerm gram (A.C term1 term2) = convertTerm gram term1 ?++ convertTerm gram term2
convertTerm gram (A.FV terms) = variants (map (convertTerm gram) terms)
convertTerm gram (A.FV terms) = variants (map (convertTerm gram) terms)
convertTerm gram (A.E) = Empty
convertTerm gram (A.K (A.KS tok)) = Token tok
-- 'pre' tokens are converted to variants (over-generating):
convertTerm gram (A.K (A.KP [s] vs))
= variants $ Token s : [ Token v | A.Var [v] _ <- vs ]
convertTerm gram (A.K (A.KP _ _)) = error "convertTerm: don't know how to handle string lists in 'pre' tokens"
convertTerm gram (A.K (A.KS tok)) = Token tok
convertTerm gram (A.E) = Empty
convertTerm gram (A.I con) = error "convertTerm: cannot handle 'I' constructor"
convertTerm gram (A.EInt int) = error "convertTerm: cannot handle 'EInt' constructor"
convertTerm gram (A.K (A.KP strs vars))
= variants $ map conc $ strs : [ vs | A.Var vs _ <- vars ]
where conc = foldr1 (?++) . map Token
convertTerm gram (A.I con) = error "GFCtoSimple.convertTerm: cannot handle 'I' constructor"
convertTerm gram (A.EInt int) = error "GFCtoSimple.convertTerm: cannot handle 'EInt' constructor"
convertArgVar :: A.ArgVar -> STerm
convertArgVar (A.A cat nr) = Arg (fromInteger nr) cat emptyPath
convertArgVar (A.A cat nr) = Arg (fromInteger nr) cat emptyPath
convertArgVar (A.AB cat bindings nr) = Arg (fromInteger nr) cat emptyPath
convertPatt (A.PC con pats) = con :^ map convertPatt pats
convertPatt (A.PV x) = Var x
convertPatt (A.PW) = Wildcard
convertPatt (A.PR rec) = Rec [ (lbl, convertPatt pat) | A.PAss lbl pat <- rec ]
convertPatt (A.PI n) = error "convertPatt: cannot handle 'PI' constructor"
-- convertPatt (A.PV x) = Var x
-- convertPatt (A.PW) = Wildcard
convertPatt (A.PR rec) = Rec [ (lbl, convertPatt pat) | A.PAss lbl pat <- rec ]
convertPatt (A.PI n) = error "GFCtoSimple.convertPatt: cannot handle 'PI' constructor"
----------------------------------------------------------------------