forked from GitHub/gf-core
Add flag and stubs for compiling to LPGF format
This commit is contained in:
John J. Camilleri
1
gf.cabal
1
gf.cabal
@@ -184,6 +184,7 @@ Library
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GF.Compile.Export
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GF.Compile.GenerateBC
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GF.Compile.GeneratePMCFG
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GF.Compile.GrammarToLPGF
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GF.Compile.GrammarToPGF
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GF.Compile.Multi
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GF.Compile.Optimize
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@@ -1,6 +1,7 @@
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module GF.Compile (compileToPGF, link, batchCompile, srcAbsName) where
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module GF.Compile (compileToPGF, link, linkl, batchCompile, srcAbsName) where
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import GF.Compile.GrammarToPGF(mkCanon2pgf)
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import GF.Compile.GrammarToLPGF(mkCanon2lpgf)
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import GF.Compile.ReadFiles(ModEnv,getOptionsFromFile,getAllFiles,
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importsOfModule)
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import GF.CompileOne(compileOne)
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@@ -42,6 +43,13 @@ link opts (cnc,gr) =
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return $ setProbabilities probs
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$ if flag optOptimizePGF opts then optimizePGF pgf else pgf
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linkl :: Options -> (ModuleName,Grammar) -> IOE PGF
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linkl opts (cnc,gr) =
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putPointE Normal opts "linking ... " $ do
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let abs = srcAbsName gr cnc
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lpgf <- mkCanon2lpgf opts gr abs
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return lpgf
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-- | Returns the name of the abstract syntax corresponding to the named concrete syntax
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srcAbsName gr cnc = err (const cnc) id $ abstractOfConcrete gr cnc
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308
src/compiler/GF/Compile/GrammarToLPGF.hs
Normal file
308
src/compiler/GF/Compile/GrammarToLPGF.hs
Normal file
@@ -0,0 +1,308 @@
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{-# LANGUAGE BangPatterns, FlexibleContexts #-}
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module GF.Compile.GrammarToLPGF (mkCanon2lpgf) where
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--import GF.Compile.Export
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import GF.Compile.GeneratePMCFG
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import GF.Compile.GenerateBC
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import PGF(CId,mkCId,utf8CId)
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import PGF.Internal(fidInt,fidFloat,fidString,fidVar)
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import PGF.Internal(updateProductionIndices)
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import qualified PGF.Internal as C
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import qualified PGF.Internal as D
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import GF.Grammar.Predef
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import GF.Grammar.Grammar
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import qualified GF.Grammar.Lookup as Look
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import qualified GF.Grammar as A
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import qualified GF.Grammar.Macros as GM
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import GF.Infra.Ident
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import GF.Infra.Option
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import GF.Infra.UseIO (IOE)
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import GF.Data.Operations
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import Data.List
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import qualified Data.Set as Set
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import qualified Data.Map as Map
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import qualified Data.IntMap as IntMap
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import Data.Array.IArray
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mkCanon2lpgf :: Options -> SourceGrammar -> ModuleName -> IOE D.PGF
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mkCanon2lpgf opts gr am = do
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(an,abs) <- mkAbstr am
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cncs <- mapM mkConcr (allConcretes gr am)
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return $ updateProductionIndices (D.PGF Map.empty an abs (Map.fromList cncs))
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where
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cenv = resourceValues opts gr
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mkAbstr am = return (mi2i am, D.Abstr flags funs cats)
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where
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aflags = err (const noOptions) mflags (lookupModule gr am)
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adefs =
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[((cPredefAbs,c), AbsCat (Just (L NoLoc []))) | c <- [cFloat,cInt,cString]] ++
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Look.allOrigInfos gr am
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flags = Map.fromList [(mkCId f,x) | (f,x) <- optionsPGF aflags]
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funs = Map.fromList [(i2i f, (mkType [] ty, arity, mkDef gr arity mdef, 0)) |
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((m,f),AbsFun (Just (L _ ty)) ma mdef _) <- adefs,
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let arity = mkArity ma mdef ty]
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cats = Map.fromList [(i2i c, (snd (mkContext [] cont),catfuns c, 0)) |
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((m,c),AbsCat (Just (L _ cont))) <- adefs]
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catfuns cat =
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[(0,i2i f) | ((m,f),AbsFun (Just (L _ ty)) _ _ (Just True)) <- adefs, snd (GM.valCat ty) == cat]
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mkConcr cm = do
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let cflags = err (const noOptions) mflags (lookupModule gr cm)
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ciCmp | flag optCaseSensitive cflags = compare
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| otherwise = C.compareCaseInsensitve
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(ex_seqs,cdefs) <- addMissingPMCFGs
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Map.empty
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([((cPredefAbs,c), CncCat (Just (L NoLoc GM.defLinType)) Nothing Nothing Nothing Nothing) | c <- [cInt,cFloat,cString]] ++
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Look.allOrigInfos gr cm)
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let flags = Map.fromList [(mkCId f,x) | (f,x) <- optionsPGF cflags]
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seqs = (mkArray . C.sortNubBy ciCmp . concat) $
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(Map.keys ex_seqs : [maybe [] elems (mseqs mi) | (m,mi) <- allExtends gr cm])
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ex_seqs_arr = mkMapArray ex_seqs :: Array SeqId Sequence
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!(!fid_cnt1,!cnccats) = genCncCats gr am cm cdefs
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!(!fid_cnt2,!productions,!lindefs,!linrefs,!cncfuns)
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= genCncFuns gr am cm ex_seqs_arr ciCmp seqs cdefs fid_cnt1 cnccats
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printnames = genPrintNames cdefs
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return (mi2i cm, D.Concr flags
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printnames
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cncfuns
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lindefs
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linrefs
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seqs
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productions
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IntMap.empty
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Map.empty
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cnccats
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IntMap.empty
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fid_cnt2)
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where
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-- if some module was compiled with -no-pmcfg, then
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-- we have to create the PMCFG code just before linking
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addMissingPMCFGs seqs [] = return (seqs,[])
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addMissingPMCFGs seqs (((m,id), info):is) = do
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(seqs,info) <- addPMCFG opts gr cenv Nothing am cm seqs id info
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(seqs,is ) <- addMissingPMCFGs seqs is
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return (seqs, ((m,id), info) : is)
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i2i :: Ident -> CId
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i2i = utf8CId . ident2utf8
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mi2i :: ModuleName -> CId
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mi2i (MN i) = i2i i
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mkType :: [Ident] -> A.Type -> C.Type
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mkType scope t =
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case GM.typeForm t of
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(hyps,(_,cat),args) -> let (scope',hyps') = mkContext scope hyps
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in C.DTyp hyps' (i2i cat) (map (mkExp scope') args)
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mkExp :: [Ident] -> A.Term -> C.Expr
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mkExp scope t =
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case t of
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Q (_,c) -> C.EFun (i2i c)
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QC (_,c) -> C.EFun (i2i c)
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Vr x -> case lookup x (zip scope [0..]) of
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Just i -> C.EVar i
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Nothing -> C.EMeta 0
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Abs b x t-> C.EAbs b (i2i x) (mkExp (x:scope) t)
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App t1 t2-> C.EApp (mkExp scope t1) (mkExp scope t2)
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EInt i -> C.ELit (C.LInt (fromIntegral i))
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EFloat f -> C.ELit (C.LFlt f)
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K s -> C.ELit (C.LStr s)
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Meta i -> C.EMeta i
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_ -> C.EMeta 0
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mkPatt scope p =
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case p of
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A.PP (_,c) ps->let (scope',ps') = mapAccumL mkPatt scope ps
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in (scope',C.PApp (i2i c) ps')
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A.PV x -> (x:scope,C.PVar (i2i x))
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A.PAs x p -> let (scope',p') = mkPatt scope p
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in (x:scope',C.PAs (i2i x) p')
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A.PW -> ( scope,C.PWild)
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A.PInt i -> ( scope,C.PLit (C.LInt (fromIntegral i)))
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A.PFloat f -> ( scope,C.PLit (C.LFlt f))
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A.PString s -> ( scope,C.PLit (C.LStr s))
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A.PImplArg p-> let (scope',p') = mkPatt scope p
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in (scope',C.PImplArg p')
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A.PTilde t -> ( scope,C.PTilde (mkExp scope t))
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mkContext :: [Ident] -> A.Context -> ([Ident],[C.Hypo])
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mkContext scope hyps = mapAccumL (\scope (bt,x,ty) -> let ty' = mkType scope ty
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in if x == identW
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then ( scope,(bt,i2i x,ty'))
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else (x:scope,(bt,i2i x,ty'))) scope hyps
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mkDef gr arity (Just eqs) = Just ([C.Equ ps' (mkExp scope' e) | L _ (ps,e) <- eqs, let (scope',ps') = mapAccumL mkPatt [] ps]
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,generateByteCode gr arity eqs
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)
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mkDef gr arity Nothing = Nothing
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mkArity (Just a) _ ty = a -- known arity, i.e. defined function
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mkArity Nothing (Just _) ty = 0 -- defined function with no arity - must be an axiom
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mkArity Nothing _ ty = let (ctxt, _, _) = GM.typeForm ty -- constructor
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in length ctxt
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genCncCats gr am cm cdefs =
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let (index,cats) = mkCncCats 0 cdefs
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in (index, Map.fromList cats)
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where
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mkCncCats index [] = (index,[])
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mkCncCats index (((m,id),CncCat (Just (L _ lincat)) _ _ _ _):cdefs)
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| id == cInt =
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let cc = pgfCncCat gr lincat fidInt
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(index',cats) = mkCncCats index cdefs
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in (index', (i2i id,cc) : cats)
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| id == cFloat =
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let cc = pgfCncCat gr lincat fidFloat
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(index',cats) = mkCncCats index cdefs
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in (index', (i2i id,cc) : cats)
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| id == cString =
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let cc = pgfCncCat gr lincat fidString
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(index',cats) = mkCncCats index cdefs
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in (index', (i2i id,cc) : cats)
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| otherwise =
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let cc@(C.CncCat _s e _) = pgfCncCat gr lincat index
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(index',cats) = mkCncCats (e+1) cdefs
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in (index', (i2i id,cc) : cats)
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mkCncCats index (_ :cdefs) = mkCncCats index cdefs
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genCncFuns :: Grammar
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-> ModuleName
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-> ModuleName
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-> Array SeqId Sequence
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-> (Sequence -> Sequence -> Ordering)
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-> Array SeqId Sequence
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-> [(QIdent, Info)]
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-> FId
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-> Map.Map CId D.CncCat
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-> (FId,
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IntMap.IntMap (Set.Set D.Production),
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IntMap.IntMap [FunId],
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IntMap.IntMap [FunId],
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Array FunId D.CncFun)
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genCncFuns gr am cm ex_seqs ciCmp seqs cdefs fid_cnt cnccats =
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let (fid_cnt1,funs_cnt1,funs1,lindefs,linrefs) = mkCncCats cdefs fid_cnt 0 [] IntMap.empty IntMap.empty
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(fid_cnt2,funs_cnt2,funs2,prods) = mkCncFuns cdefs fid_cnt1 funs_cnt1 funs1 lindefs Map.empty IntMap.empty
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in (fid_cnt2,prods,lindefs,linrefs,array (0,funs_cnt2-1) funs2)
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where
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mkCncCats [] fid_cnt funs_cnt funs lindefs linrefs =
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(fid_cnt,funs_cnt,funs,lindefs,linrefs)
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mkCncCats (((m,id),CncCat _ _ _ _ (Just (PMCFG prods0 funs0))):cdefs) fid_cnt funs_cnt funs lindefs linrefs =
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let !funs_cnt' = let (s_funid, e_funid) = bounds funs0
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in funs_cnt+(e_funid-s_funid+1)
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lindefs' = foldl' (toLinDef (am,id) funs_cnt) lindefs prods0
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linrefs' = foldl' (toLinRef (am,id) funs_cnt) linrefs prods0
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funs' = foldl' (toCncFun funs_cnt (m,mkLinDefId id)) funs (assocs funs0)
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in mkCncCats cdefs fid_cnt funs_cnt' funs' lindefs' linrefs'
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mkCncCats (_ :cdefs) fid_cnt funs_cnt funs lindefs linrefs =
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mkCncCats cdefs fid_cnt funs_cnt funs lindefs linrefs
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mkCncFuns [] fid_cnt funs_cnt funs lindefs crc prods =
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(fid_cnt,funs_cnt,funs,prods)
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mkCncFuns (((m,id),CncFun _ _ _ (Just (PMCFG prods0 funs0))):cdefs) fid_cnt funs_cnt funs lindefs crc prods =
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let ---Ok ty_C = fmap GM.typeForm (Look.lookupFunType gr am id)
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ty_C = err error (\x -> x) $ fmap GM.typeForm (Look.lookupFunType gr am id)
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!funs_cnt' = let (s_funid, e_funid) = bounds funs0
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in funs_cnt+(e_funid-s_funid+1)
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!(fid_cnt',crc',prods')
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= foldl' (toProd lindefs ty_C funs_cnt)
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(fid_cnt,crc,prods) prods0
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funs' = foldl' (toCncFun funs_cnt (m,id)) funs (assocs funs0)
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in mkCncFuns cdefs fid_cnt' funs_cnt' funs' lindefs crc' prods'
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mkCncFuns (_ :cdefs) fid_cnt funs_cnt funs lindefs crc prods =
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mkCncFuns cdefs fid_cnt funs_cnt funs lindefs crc prods
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toProd lindefs (ctxt_C,res_C,_) offs st (Production fid0 funid0 args0) =
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let !((fid_cnt,crc,prods),args) = mapAccumL mkArg st (zip ctxt_C args0)
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set0 = Set.fromList (map (C.PApply (offs+funid0)) (sequence args))
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fid = mkFId res_C fid0
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!prods' = case IntMap.lookup fid prods of
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Just set -> IntMap.insert fid (Set.union set0 set) prods
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Nothing -> IntMap.insert fid set0 prods
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in (fid_cnt,crc,prods')
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where
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mkArg st@(fid_cnt,crc,prods) ((_,_,ty),fid0s ) =
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case fid0s of
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[fid0] -> (st,map (flip C.PArg (mkFId arg_C fid0)) ctxt)
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fid0s -> case Map.lookup fids crc of
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Just fid -> (st,map (flip C.PArg fid) ctxt)
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Nothing -> let !crc' = Map.insert fids fid_cnt crc
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!prods' = IntMap.insert fid_cnt (Set.fromList (map C.PCoerce fids)) prods
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in ((fid_cnt+1,crc',prods'),map (flip C.PArg fid_cnt) ctxt)
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where
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(hargs_C,arg_C) = GM.catSkeleton ty
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ctxt = mapM (mkCtxt lindefs) hargs_C
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fids = map (mkFId arg_C) fid0s
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mkLinDefId id = prefixIdent "lindef " id
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toLinDef res offs lindefs (Production fid0 funid0 args) =
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if args == [[fidVar]]
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then IntMap.insertWith (++) fid [offs+funid0] lindefs
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else lindefs
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where
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fid = mkFId res fid0
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toLinRef res offs linrefs (Production fid0 funid0 [fargs]) =
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if fid0 == fidVar
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then foldr (\fid -> IntMap.insertWith (++) fid [offs+funid0]) linrefs fids
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else linrefs
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where
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fids = map (mkFId res) fargs
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mkFId (_,cat) fid0 =
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case Map.lookup (i2i cat) cnccats of
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Just (C.CncCat s e _) -> s+fid0
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Nothing -> error ("GrammarToPGF.mkFId: missing category "++showIdent cat)
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mkCtxt lindefs (_,cat) =
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case Map.lookup (i2i cat) cnccats of
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Just (C.CncCat s e _) -> [(C.fidVar,fid) | fid <- [s..e], Just _ <- [IntMap.lookup fid lindefs]]
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Nothing -> error "GrammarToPGF.mkCtxt failed"
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toCncFun offs (m,id) funs (funid0,lins0) =
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let mseqs = case lookupModule gr m of
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Ok (ModInfo{mseqs=Just mseqs}) -> mseqs
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_ -> ex_seqs
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in (offs+funid0,C.CncFun (i2i id) (amap (newIndex mseqs) lins0)):funs
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where
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newIndex mseqs i = binSearch (mseqs ! i) seqs (bounds seqs)
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binSearch v arr (i,j)
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| i <= j = case ciCmp v (arr ! k) of
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LT -> binSearch v arr (i,k-1)
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EQ -> k
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GT -> binSearch v arr (k+1,j)
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| otherwise = error "binSearch"
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where
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k = (i+j) `div` 2
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genPrintNames cdefs =
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Map.fromAscList [(i2i id, name) | ((m,id),info) <- cdefs, name <- prn info]
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where
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prn (CncFun _ _ (Just (L _ tr)) _) = [flatten tr]
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prn (CncCat _ _ _ (Just (L _ tr)) _) = [flatten tr]
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prn _ = []
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flatten (K s) = s
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flatten (Alts x _) = flatten x
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flatten (C x y) = flatten x +++ flatten y
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mkArray lst = listArray (0,length lst-1) lst
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mkMapArray map = array (0,Map.size map-1) [(v,k) | (k,v) <- Map.toList map]
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@@ -3,7 +3,7 @@ module GF.Compiler (mainGFC, linkGrammars, writePGF, writeOutputs) where
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import PGF
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import PGF.Internal(concretes,optimizePGF,unionPGF)
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import PGF.Internal(putSplitAbs,encodeFile,runPut)
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import GF.Compile as S(batchCompile,link,srcAbsName)
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import GF.Compile as S(batchCompile,link,linkl,srcAbsName)
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import GF.CompileInParallel as P(parallelBatchCompile)
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import GF.Compile.Export
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import GF.Compile.ConcreteToHaskell(concretes2haskell)
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@@ -11,7 +11,8 @@ import GF.Compile.GrammarToCanonical--(concretes2canonical)
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import GF.Compile.CFGtoPGF
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import GF.Compile.GetGrammar
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import GF.Grammar.BNFC
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import GF.Grammar.CFG
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import GF.Grammar.CFG hiding (Grammar)
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import GF.Grammar.Grammar (Grammar, ModuleName)
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--import GF.Infra.Ident(showIdent)
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import GF.Infra.UseIO
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@@ -23,6 +24,7 @@ import GF.Text.Pretty(render,render80)
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import Data.Maybe
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import qualified Data.Map as Map
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import qualified Data.Set as Set
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import Data.Time(UTCTime)
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import qualified Data.ByteString.Lazy as BSL
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import GF.Grammar.CanonicalJSON (encodeJSON)
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import System.FilePath
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||||
@@ -93,6 +95,12 @@ compileSourceFiles opts fs =
|
||||
-- If a @.pgf@ file by the same name already exists and it is newer than the
|
||||
-- source grammar files (as indicated by the 'UTCTime' argument), it is not
|
||||
-- recreated. Calls 'writePGF' and 'writeOutputs'.
|
||||
linkGrammars :: Options -> (UTCTime,[(ModuleName, Grammar)]) -> IOE ()
|
||||
linkGrammars opts (_,cnc_grs) | FmtLPGF `elem` flag optOutputFormats opts = do
|
||||
pgfs <- mapM (linkl opts) cnc_grs
|
||||
let pgf0 = foldl1 unionPGF pgfs
|
||||
writePGF opts pgf0
|
||||
putStrLn "LPGF"
|
||||
linkGrammars opts (t_src,~cnc_grs@(~(cnc,gr):_)) =
|
||||
do let abs = render (srcAbsName gr cnc)
|
||||
pgfFile = outputPath opts (grammarName' opts abs<.>"pgf")
|
||||
|
||||
@@ -87,7 +87,8 @@ data Verbosity = Quiet | Normal | Verbose | Debug
|
||||
data Phase = Preproc | Convert | Compile | Link
|
||||
deriving (Show,Eq,Ord)
|
||||
|
||||
data OutputFormat = FmtPGFPretty
|
||||
data OutputFormat = FmtLPGF
|
||||
| FmtPGFPretty
|
||||
| FmtCanonicalGF
|
||||
| FmtCanonicalJson
|
||||
| FmtJavaScript
|
||||
@@ -330,7 +331,7 @@ optDescr =
|
||||
Option ['f'] ["output-format"] (ReqArg outFmt "FMT")
|
||||
(unlines ["Output format. FMT can be one of:",
|
||||
"Canonical GF grammar: canonical_gf, canonical_json, (and haskell with option --haskell=concrete)",
|
||||
"Multiple concrete: pgf (default), json, js, pgf_pretty, prolog, python, ...", -- gar,
|
||||
"Multiple concrete: pgf (default), lpgf, json, js, pgf_pretty, prolog, python, ...", -- gar,
|
||||
"Single concrete only: bnf, ebnf, fa, gsl, jsgf, regexp, slf, srgs_xml, srgs_abnf, vxml, ....", -- cf, lbnf,
|
||||
"Abstract only: haskell, ..."]), -- prolog_abs,
|
||||
Option [] ["sisr"] (ReqArg sisrFmt "FMT")
|
||||
@@ -472,7 +473,8 @@ outputFormats = map fst outputFormatsExpl
|
||||
|
||||
outputFormatsExpl :: [((String,OutputFormat),String)]
|
||||
outputFormatsExpl =
|
||||
[(("pgf_pretty", FmtPGFPretty),"human-readable pgf"),
|
||||
[(("lpgf", FmtLPGF),"Linearisation-only PGF"),
|
||||
(("pgf_pretty", FmtPGFPretty),"Human-readable PGF"),
|
||||
(("canonical_gf", FmtCanonicalGF),"Canonical GF source files"),
|
||||
(("canonical_json", FmtCanonicalJson),"Canonical JSON source files"),
|
||||
(("js", FmtJavaScript),"JavaScript (whole grammar)"),
|
||||
|
||||
Reference in New Issue
Block a user