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Convert from Text.PrettyPrint to GF.Text.Pretty

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All compiler modules now use GF.Text.Pretty instead of Text.PrettyPrint
This commit is contained in:
hallgren
2014-07-28 11:58:00 +00:00
parent 59172ce9c5
commit 7a91afc02a
20 changed files with 100 additions and 100 deletions
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2
src/compiler/GF/Command/Interpreter.hs
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@@ -16,7 +16,7 @@ import PGF.Internal
--import PGF.Morphology
import GF.Infra.SIO
import Text.PrettyPrint
import GF.Text.Pretty
import Control.Monad(when)
--import Control.Monad.Error()
import qualified Data.Map as Map

2
src/compiler/GF/Compile/Compute/Abstract.hs
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@@ -29,7 +29,7 @@ import GF.Grammar.Lookup
import Debug.Trace
import Data.List(intersperse)
import Control.Monad (liftM, liftM2)
import Text.PrettyPrint
import GF.Text.Pretty
-- for debugging
tracd m t = t

4
src/compiler/GF/Compile/Compute/AppPredefined.hs
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@@ -23,7 +23,7 @@ import GF.Grammar
import GF.Grammar.Predef
import qualified Data.Map as Map
import Text.PrettyPrint
import GF.Text.Pretty
import Data.Char (isUpper,toUpper,toLower)
-- predefined function type signatures and definitions. AR 12/3/2003.
@@ -140,4 +140,4 @@ mapStr ty f t = case (ty,t) of
mapField (mty,te) = case mty of
Just ty -> (mty,mapStr ty f te)
_ -> (mty,te)
-}
-}

2
src/compiler/GF/Compile/Compute/ConcreteLazy.hs
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@@ -33,7 +33,7 @@ import GF.Compile.Compute.AppPredefined
import Data.List (nub) --intersperse
--import Control.Monad (liftM2, liftM)
import Control.Monad.Identity
import Text.PrettyPrint
import GF.Text.Pretty
----import Debug.Trace

4
src/compiler/GF/Compile/Compute/ConcreteNew1.hs
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@@ -8,7 +8,7 @@ import GF.Grammar.Lookup
import GF.Grammar.Predef
import GF.Data.Operations
import Data.List (intersect)
import Text.PrettyPrint
import GF.Text.Pretty
normalForm :: SourceGrammar -> Term -> Term
normalForm gr t = value2term gr [] (eval gr [] t)
@@ -65,7 +65,7 @@ eval gr env (ImplArg t) = VImplArg (eval gr env t)
eval gr env (Table p res) = VTblType (eval gr env p) (eval gr env res)
eval gr env (RecType rs) = VRecType [(l,eval gr env ty) | (l,ty) <- rs]
eval gr env t@(ExtR t1 t2) =
let error = VError (show (text "The term" <+> ppTerm Unqualified 0 t <+> text "is not reducible"))
let error = VError (show ("The term" <+> ppTerm Unqualified 0 t <+> "is not reducible"))
in case (eval gr env t1, eval gr env t2) of
(VRecType rs1, VRecType rs2) -> case intersect (map fst rs1) (map fst rs2) of
[] -> VRecType (rs1 ++ rs2)

2
src/compiler/GF/Compile/Compute/ConcreteStrict.hs
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@@ -33,7 +33,7 @@ import GF.Compile.Compute.AppPredefined
import Data.List (nub,intersperse)
import Control.Monad (liftM2, liftM)
import Text.PrettyPrint
import GF.Text.Pretty
----import Debug.Trace

6
src/compiler/GF/Compile/Compute/Predef.hs
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@@ -2,7 +2,7 @@
{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
module GF.Compile.Compute.Predef(predef,predefName,delta) where
import Text.PrettyPrint(render,hang,text)
import GF.Text.Pretty(render,hang)
import qualified Data.Map as Map
import Data.Array(array,(!))
import Data.List (isInfixOf)
@@ -154,6 +154,6 @@ string s = case words s of
swap (x,y) = (y,x)
bug msg = ppbug (text msg)
bug msg = ppbug msg
ppbug doc = error $ render $
hang (text "Internal error in Compute.Predef:") 4 doc
hang "Internal error in Compute.Predef:" 4 doc

2
src/compiler/GF/Compile/Export.hs
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@@ -21,7 +21,7 @@ import GF.Speech.PrRegExp
import Data.Maybe
import System.FilePath
import Text.PrettyPrint
import GF.Text.Pretty
-- top-level access to code generation

2
src/compiler/GF/Compile/GrammarToPGF.hs
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@@ -30,7 +30,7 @@ import qualified Data.Set as Set
import qualified Data.Map as Map
import qualified Data.IntMap as IntMap
import Data.Array.IArray
--import Text.PrettyPrint
--import GF.Text.Pretty
--import Control.Monad.Identity
mkCanon2pgf :: Options -> SourceGrammar -> Ident -> IOE D.PGF

46
src/compiler/GF/Compile/PGFtoLProlog.hs
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@@ -5,46 +5,46 @@ import PGF.Internal hiding (ppExpr,ppType,ppHypo,ppCat,ppFun)
--import PGF.Macros
import Data.List
import Data.Maybe
import Text.PrettyPrint
import GF.Text.Pretty
import qualified Data.Map as Map
--import Debug.Trace
grammar2lambdaprolog_mod pgf = render $
text "module" <+> ppCId (absname pgf) <> char '.' $$
space $$
"module" <+> ppCId (absname pgf) <> '.' $$
' ' $$
vcat [ppClauses cat fns | (cat,(_,fs,_,_)) <- Map.toList (cats (abstract pgf)),
let fns = [(f,fromJust (Map.lookup f (funs (abstract pgf)))) | (_,f) <- fs]]
where
ppClauses cat fns =
text "/*" <+> ppCId cat <+> text "*/" $$
"/*" <+> ppCId cat <+> "*/" $$
vcat [snd (ppClause (abstract pgf) 0 1 [] f ty) <> dot | (f,(ty,_,Nothing,_,_)) <- fns] $$
space $$
' ' $$
vcat [vcat (map (\eq -> equation2clause (abstract pgf) f eq <> dot) eqs) | (f,(_,_,Just eqs,_,_)) <- fns] $$
space
' '
grammar2lambdaprolog_sig pgf = render $
text "sig" <+> ppCId (absname pgf) <> char '.' $$
space $$
"sig" <+> ppCId (absname pgf) <> '.' $$
' ' $$
vcat [ppCat c hyps <> dot | (c,(hyps,_,_,_)) <- Map.toList (cats (abstract pgf))] $$
space $$
' ' $$
vcat [ppFun f ty <> dot | (f,(ty,_,Nothing,_,_)) <- Map.toList (funs (abstract pgf))] $$
space $$
' ' $$
vcat [ppExport c hyps <> dot | (c,(hyps,_,_,_)) <- Map.toList (cats (abstract pgf))] $$
vcat [ppFunPred f (hyps ++ [(Explicit,wildCId,DTyp [] c es)]) <> dot | (f,(DTyp hyps c es,_,Just _,_,_)) <- Map.toList (funs (abstract pgf))]
ppCat :: CId -> [Hypo] -> Doc
ppCat c hyps = text "kind" <+> ppKind c <+> text "type"
ppCat c hyps = "kind" <+> ppKind c <+> "type"
ppFun :: CId -> Type -> Doc
ppFun f ty = text "type" <+> ppCId f <+> ppType 0 ty
ppFun f ty = "type" <+> ppCId f <+> ppType 0 ty
ppExport :: CId -> [Hypo] -> Doc
ppExport c hyps = text "exportdef" <+> ppPred c <+> foldr (\hyp doc -> ppHypo 1 hyp <+> text "->" <+> doc) (text "o") (hyp:hyps)
ppExport c hyps = "exportdef" <+> ppPred c <+> foldr (\hyp doc -> ppHypo 1 hyp <+> "->" <+> doc) (pp "o") (hyp:hyps)
where
hyp = (Explicit,wildCId,DTyp [] c [])
ppFunPred :: CId -> [Hypo] -> Doc
ppFunPred c hyps = text "exportdef" <+> ppCId c <+> foldr (\hyp doc -> ppHypo 1 hyp <+> text "->" <+> doc) (text "o") hyps
ppFunPred c hyps = "exportdef" <+> ppCId c <+> foldr (\hyp doc -> ppHypo 1 hyp <+> "->" <+> doc) (pp "o") hyps
ppClause :: Abstr -> Int -> Int -> [CId] -> CId -> Type -> (Int,Doc)
ppClause abstr d i scope f ty@(DTyp hyps cat args)
@@ -52,20 +52,20 @@ ppClause abstr d i scope f ty@(DTyp hyps cat args)
(goals,i',head) = ppRes i scope cat (res : args)
in (i',(if null goals
then empty
else hsep (punctuate comma (map (ppExpr 0 i' scope) goals)) <> comma)
else hsep (punctuate ',' (map (ppExpr 0 i' scope) goals)) <> ',')
<+>
head)
| otherwise = let (i',vars,scope',hdocs) = ppHypos i [] scope hyps (depType [] ty)
res = foldl EApp (EFun f) (map EFun (reverse vars))
quants = if d > 0
then hsep (map (\v -> text "pi" <+> ppCId v <+> char '\\') vars)
then hsep (map (\v -> "pi" <+> ppCId v <+> '\\') vars)
else empty
(goals,i'',head) = ppRes i' scope' cat (res : args)
docs = map (ppExpr 0 i'' scope') goals ++ hdocs
in (i'',ppParens (d > 0) (quants <+> head <+>
(if null docs
then empty
else text ":-" <+> hsep (punctuate comma docs))))
else ":-" <+> hsep (punctuate ',' docs))))
where
ppRes i scope cat es =
let ((goals,i'),es') = mapAccumL (\(goals,i) e -> let (goals',i',e') = expr2goal abstr scope goals i e []
@@ -89,20 +89,20 @@ ppClause abstr d i scope f ty@(DTyp hyps cat args)
mkVar i = mkCId ("X_"++show i)
ppPred :: CId -> Doc
ppPred cat = text "p_" <> ppCId cat
ppPred cat = "p_" <> ppCId cat
ppKind :: CId -> Doc
ppKind cat = text "k_" <> ppCId cat
ppKind cat = "k_" <> ppCId cat
ppType :: Int -> Type -> Doc
ppType d (DTyp hyps cat args)
| null hyps = ppKind cat
| otherwise = ppParens (d > 0) (foldr (\hyp doc -> ppHypo 1 hyp <+> text "->" <+> doc) (ppKind cat) hyps)
| otherwise = ppParens (d > 0) (foldr (\hyp doc -> ppHypo 1 hyp <+> "->" <+> doc) (ppKind cat) hyps)
ppHypo d (_,_,typ) = ppType d typ
ppExpr d i scope (EAbs b x e) = let v = mkVar i
in ppParens (d > 1) (ppCId v <+> char '\\' <+> ppExpr 1 (i+1) (v:scope) e)
in ppParens (d > 1) (ppCId v <+> '\\' <+> ppExpr 1 (i+1) (v:scope) e)
ppExpr d i scope (EApp e1 e2) = ppParens (d > 3) ((ppExpr 3 i scope e1) <+> (ppExpr 4 i scope e2))
ppExpr d i scope (ELit l) = ppLit l
ppExpr d i scope (EMeta n) = ppMeta n
@@ -111,7 +111,7 @@ ppExpr d i scope (EVar j) = ppCId (scope !! j)
ppExpr d i scope (ETyped e ty)= ppExpr d i scope e
ppExpr d i scope (EImplArg e) = ppExpr 0 i scope e
dot = char '.'
dot = '.'
depType counts (DTyp hyps cat es) =
foldl' depExpr (foldl' depHypo counts hyps) es
@@ -142,7 +142,7 @@ equation2clause abstr f (Equ ps e) =
in ppCId f <+> hsep (map (ppExpr 4 n scope) (es++[goal])) <+>
if null goals
then empty
else text ":-" <+> hsep (punctuate comma (map (ppExpr 0 n scope) (reverse goals)))
else ":-" <+> hsep (punctuate ',' (map (ppExpr 0 n scope) (reverse goals)))
patt2expr scope (PApp f ps) = foldl EApp (EFun f) (map (patt2expr scope) ps)

6
src/compiler/GF/Compile/ReadFiles.hs
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@@ -46,7 +46,7 @@ import qualified Data.Map as Map
import Data.Time(UTCTime)
import GF.System.Directory
import System.FilePath
import Text.PrettyPrint
import GF.Text.Pretty
type ModName = String
type ModEnv = Map.Map ModName (UTCTime,[ModName])
@@ -105,8 +105,8 @@ getAllFiles opts ps env file = do
case mb_gfoFile of
Just gfoFile -> do gfoTime <- modtime gfoFile
return (gfoFile, Nothing, Just gfoTime)
Nothing -> raise (render (text "File" <+> text (gfFile name) <+> text "does not exist." $$
text "searched in:" <+> vcat (map text ps)))
Nothing -> raise (render ("File" <+> gfFile name <+> "does not exist." $$
"searched in:" <+> vcat ps))
let mb_envmod = Map.lookup name env

2
src/compiler/GF/Compile/Tags.hs
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@@ -12,7 +12,7 @@ import GF.Grammar
import qualified Data.Map as Map
import qualified Data.Set as Set
--import Control.Monad
import Text.PrettyPrint
import GF.Text.Pretty
import System.FilePath
writeTags opts gr file mo = do

6
src/compiler/GF/Compile/TypeCheck/Abstract.hs
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@@ -29,7 +29,7 @@ import GF.Grammar.Unify
--import GF.Compile.Compute.Abstract
import GF.Compile.TypeCheck.TC
import Text.PrettyPrint
import GF.Text.Pretty
--import Control.Monad (foldM, liftM, liftM2)
-- | invariant way of creating TCEnv from context
@@ -70,10 +70,10 @@ checkContext :: SourceGrammar -> Context -> [Message]
checkContext st = checkTyp st . cont2exp
checkTyp :: SourceGrammar -> Type -> [Message]
checkTyp gr typ = err (\x -> [text x]) ppConstrs $ justTypeCheck gr typ vType
checkTyp gr typ = err (\x -> [pp x]) ppConstrs $ justTypeCheck gr typ vType
checkDef :: SourceGrammar -> Fun -> Type -> Equation -> [Message]
checkDef gr (m,fun) typ eq = err (\x -> [text x]) ppConstrs $ do
checkDef gr (m,fun) typ eq = err (\x -> [pp x]) ppConstrs $ do
(b,cs) <- checkBranch (grammar2theory gr) (initTCEnv []) eq (type2val typ)
(constrs,_) <- unifyVal cs
return $ filter notJustMeta constrs

4
src/compiler/GF/Compile/TypeCheck/Concrete.hs
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@@ -13,7 +13,7 @@ import GF.Compile.TypeCheck.Primitives
import Data.List
import Control.Monad
import Text.PrettyPrint
import GF.Text.Pretty
computeLType :: SourceGrammar -> Context -> Type -> Check Type
computeLType gr g0 t = comp (reverse [(b,x, Vr x) | (b,x,_) <- g0] ++ g0) t
@@ -714,4 +714,4 @@ checkLookup x g =
case [ty | (b,y,ty) <- g, x == y] of
[] -> checkError (text "unknown variable" <+> ppIdent x)
(ty:_) -> return ty
-}
-}

2
src/compiler/GF/CompilerAPI.hs
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@@ -41,7 +41,7 @@ import Data.List(nub)
import Data.Maybe (isNothing)
import Data.Binary
import qualified Data.ByteString.Char8 as BS
import Text.PrettyPrint
import GF.Text.Pretty
import PGF.CId
import PGF.Data

6
src/compiler/GF/Grammar/MMacros.hs
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@@ -26,7 +26,7 @@ import GF.Grammar.Values
import GF.Grammar.Macros
import Control.Monad
import Text.PrettyPrint
import GF.Text.Pretty
{-
nodeTree :: Tree -> TrNode
@@ -178,13 +178,13 @@ val2expP :: Bool -> Val -> Err Exp
val2expP safe v = case v of
VClos g@(_:_) e@(Meta _) -> if safe
then Bad (render (text "unsafe value substitution" <+> ppValue Unqualified 0 v))
then Bad (render ("unsafe value substitution" <+> ppValue Unqualified 0 v))
else substVal g e
VClos g e -> substVal g e
VApp f c -> liftM2 App (val2expP safe f) (val2expP safe c)
VCn c -> return $ Q c
VGen i x -> if safe
then Bad (render (text "unsafe val2exp" <+> ppValue Unqualified 0 v))
then Bad (render ("unsafe val2exp" <+> ppValue Unqualified 0 v))
else return $ Vr $ x --- in editing, no alpha conversions presentv
VRecType xs->do xs <- mapM (\(l,v) -> val2expP safe v >>= \e -> return (l,e)) xs
return (RecType xs)

8
src/compiler/GF/Grammar/Unify.hs
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@@ -20,7 +20,7 @@ module GF.Grammar.Unify (unifyVal) where
import GF.Grammar
import GF.Data.Operations
import Text.PrettyPrint
import GF.Text.Pretty
import Data.List (partition)
unifyVal :: Constraints -> Err (Constraints,MetaSubst)
@@ -64,13 +64,13 @@ unify e1 e2 g =
unify b c' g
(App c a, App d b) -> case unify c d g of
Ok g1 -> unify a b g1
_ -> Bad (render (text "fail unify" <+> ppTerm Unqualified 0 e1))
_ -> Bad (render ("fail unify" <+> ppTerm Unqualified 0 e1))
(RecType xs,RecType ys) | xs == ys -> return g
_ -> Bad (render (text "fail unify" <+> ppTerm Unqualified 0 e1))
_ -> Bad (render ("fail unify" <+> ppTerm Unqualified 0 e1))
extend :: Unifier -> MetaId -> Term -> Err Unifier
extend g s t | (t == Meta s) = return g
| occCheck s t = Bad (render (text "occurs check" <+> ppTerm Unqualified 0 t))
| occCheck s t = Bad (render ("occurs check" <+> ppTerm Unqualified 0 t))
| True = return ((s, t) : g)
subst_all :: Unifier -> Term -> Err Term

22
src/compiler/GF/Speech/GSL.hs
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@@ -18,7 +18,7 @@ import PGF
import Data.Char (toUpper,toLower)
import Data.List (partition)
import Text.PrettyPrint.HughesPJ
import GF.Text.Pretty
width :: Int
width = 75
@@ -30,10 +30,10 @@ gslPrinter opts pgf cnc = renderStyle st $ prGSL $ makeNonLeftRecursiveSRG opts
prGSL :: SRG -> Doc
prGSL srg = header $++$ mainCat $++$ foldr ($++$) empty (map prRule (srgRules srg))
where
header = text ";GSL2.0" $$
header = ";GSL2.0" $$
comment ("Nuance speech recognition grammar for " ++ srgName srg) $$
comment ("Generated by GF")
mainCat = text ".MAIN" <+> prCat (srgStartCat srg)
mainCat = ".MAIN" <+> prCat (srgStartCat srg)
prRule (SRGRule cat rhs) = prCat cat <+> union (map prAlt rhs)
-- FIXME: use the probability
prAlt (SRGAlt mp _ rhs) = prItem rhs
@@ -42,23 +42,23 @@ prGSL srg = header $++$ mainCat $++$ foldr ($++$) empty (map prRule (srgRules sr
prItem :: SRGItem -> Doc
prItem = f
where
f (REUnion xs) = (if null es then empty else text "?") <> union (map f nes)
f (REUnion xs) = (if null es then empty else pp "?") <> union (map f nes)
where (es,nes) = partition isEpsilon xs
f (REConcat [x]) = f x
f (REConcat xs) = text "(" <> fsep (map f xs) <> text ")"
f (RERepeat x) = text "*" <> f x
f (REConcat xs) = "(" <> fsep (map f xs) <> ")"
f (RERepeat x) = "*" <> f x
f (RESymbol s) = prSymbol s
union :: [Doc] -> Doc
union [x] = x
union xs = text "[" <> fsep xs <> text "]"
union xs = "[" <> fsep xs <> "]"
prSymbol :: Symbol SRGNT Token -> Doc
prSymbol = symbol (prCat . fst) (doubleQuotes . showToken)
-- GSL requires an upper case letter in category names
prCat :: Cat -> Doc
prCat = text . firstToUpper
prCat = pp . firstToUpper
firstToUpper :: String -> String
@@ -76,19 +76,19 @@ keepSymbol _ = True
-- Nuance does not like upper case characters in tokens
showToken :: Token -> Doc
showToken = text . map toLower
showToken = pp . map toLower
isPunct :: Char -> Bool
isPunct c = c `elem` "-_.:;.,?!()[]{}"
comment :: String -> Doc
comment s = text ";" <+> text s
comment s = ";" <+> s
-- Pretty-printing utilities
emptyLine :: Doc
emptyLine = text ""
emptyLine = pp ""
($++$) :: Doc -> Doc -> Doc
x $++$ y = x $$ emptyLine $$ y

34
src/compiler/GF/Speech/JSGF.hs
View File

@@ -23,7 +23,7 @@ import PGF
import Data.Char
import Data.List
--import Data.Maybe
import Text.PrettyPrint.HughesPJ
import GF.Text.Pretty
--import Debug.Trace
width :: Int
@@ -40,46 +40,46 @@ prJSGF :: Maybe SISRFormat -> SRG -> Doc
prJSGF sisr srg
= header $++$ mainCat $++$ foldr ($++$) empty (map prRule (srgRules srg))
where
header = text "#JSGF" <+> text "V1.0" <+> text "UTF-8" <+> lang <> char ';' $$
header = "#JSGF" <+> "V1.0" <+> "UTF-8" <+> lang <> ';' $$
comment ("JSGF speech recognition grammar for " ++ srgName srg) $$
comment "Generated by GF" $$
text ("grammar " ++ srgName srg ++ ";")
lang = maybe empty text (srgLanguage srg)
("grammar " ++ srgName srg ++ ";")
lang = maybe empty pp (srgLanguage srg)
mainCat = rule True "MAIN" [prCat (srgStartCat srg)]
prRule (SRGRule cat rhs) = rule (isExternalCat srg cat) cat (map prAlt rhs)
prAlt (SRGAlt mp n rhs) = sep [initTag, p (prItem sisr n rhs), finalTag]
where initTag | isEmpty t = empty
| otherwise = text "<NULL>" <+> t
| otherwise = "<NULL>" <+> t
where t = tag sisr (profileInitSISR n)
finalTag = tag sisr (profileFinalSISR n)
p = if isEmpty initTag && isEmpty finalTag then id else parens
prCat :: Cat -> Doc
prCat c = char '<' <> text c <> char '>'
prCat c = '<' <> c <> '>'
prItem :: Maybe SISRFormat -> CFTerm -> SRGItem -> Doc
prItem sisr t = f 0
where
f _ (REUnion []) = text "<VOID>"
f _ (REUnion []) = pp "<VOID>"
f p (REUnion xs)
| not (null es) = brackets (f 0 (REUnion nes))
| otherwise = (if p >= 1 then parens else id) (alts (map (f 1) xs))
where (es,nes) = partition isEpsilon xs
f _ (REConcat []) = text "<NULL>"
f _ (REConcat []) = pp "<NULL>"
f p (REConcat xs) = (if p >= 3 then parens else id) (fsep (map (f 2) xs))
f p (RERepeat x) = f 3 x <> char '*'
f p (RERepeat x) = f 3 x <> '*'
f _ (RESymbol s) = prSymbol sisr t s
prSymbol :: Maybe SISRFormat -> CFTerm -> SRGSymbol -> Doc
prSymbol sisr cn (NonTerminal n@(c,_)) = prCat c <+> tag sisr (catSISR cn n)
prSymbol _ cn (Terminal t) | all isPunct t = empty -- removes punctuation
| otherwise = text t -- FIXME: quote if there is whitespace or odd chars
| otherwise = pp t -- FIXME: quote if there is whitespace or odd chars
tag :: Maybe SISRFormat -> (SISRFormat -> SISRTag) -> Doc
tag Nothing _ = empty
tag (Just fmt) t = case t fmt of
[] -> empty
ts -> char '{' <+> (text (e $ prSISR ts)) <+> char '}'
ts -> '{' <+> (e $ prSISR ts) <+> '}'
where e [] = []
e ('}':xs) = '\\':'}':e xs
e ('\n':xs) = ' ' : e (dropWhile isSpace xs)
@@ -89,21 +89,21 @@ isPunct :: Char -> Bool
isPunct c = c `elem` "-_.;.,?!"
comment :: String -> Doc
comment s = text "//" <+> text s
comment s = "//" <+> s
alts :: [Doc] -> Doc
alts = fsep . prepunctuate (text "| ")
alts = fsep . prepunctuate ("| ")
rule :: Bool -> Cat -> [Doc] -> Doc
rule pub c xs = p <+> prCat c <+> char '=' <+> nest 2 (alts xs) <+> char ';'
where p = if pub then text "public" else empty
rule pub c xs = p <+> prCat c <+> '=' <+> nest 2 (alts xs) <+> ';'
where p = if pub then pp "public" else empty
-- Pretty-printing utilities
emptyLine :: Doc
emptyLine = text ""
emptyLine = pp ""
prepunctuate :: Doc -> [Doc] -> [Doc]
--prepunctuate :: Doc -> [Doc] -> [Doc]
prepunctuate _ [] = []
prepunctuate p (x:xs) = x : map (p <>) xs

38
src/compiler/GF/Speech/SRGS_ABNF.hs
View File

@@ -30,7 +30,7 @@ import PGF (PGF, CId)
--import Data.Char
import Data.List
import Data.Maybe
import Text.PrettyPrint.HughesPJ
import GF.Text.Pretty
--import Debug.Trace
width :: Int
@@ -50,14 +50,14 @@ prABNF :: Maybe SISRFormat -> SRG -> Doc
prABNF sisr srg
= header $++$ foldr ($++$) empty (map prRule (srgRules srg))
where
header = text "#ABNF 1.0 UTF-8;" $$
header = "#ABNF 1.0 UTF-8;" $$
meta "description" ("Speech recognition grammar for " ++ srgName srg) $$
meta "generator" "Grammatical Framework" $$
language $$ tagFormat $$ mainCat
language = maybe empty (\l -> text "language" <+> text l <> char ';') (srgLanguage srg)
tagFormat | isJust sisr = text "tag-format" <+> text "<semantics/1.0>" <> char ';'
language = maybe empty (\l -> "language" <+> l <> ';') (srgLanguage srg)
tagFormat | isJust sisr = "tag-format" <+> "<semantics/1.0>" <> ';'
| otherwise = empty
mainCat = text "root" <+> prCat (srgStartCat srg) <> char ';'
mainCat = "root" <+> prCat (srgStartCat srg) <> ';'
prRule (SRGRule cat alts) = rule (isExternalCat srg cat) cat (map prAlt alts)
prAlt (SRGAlt mp n rhs) = sep [initTag, p (prItem sisr n rhs), finalTag]
where initTag = tag sisr (profileInitSISR n)
@@ -65,19 +65,19 @@ prABNF sisr srg
p = if isEmpty initTag && isEmpty finalTag then id else parens
prCat :: Cat -> Doc
prCat c = char '$' <> text c
prCat c = '$' <> c
prItem :: Maybe SISRFormat -> CFTerm -> SRGItem -> Doc
prItem sisr t = f 0
where
f _ (REUnion []) = text "$VOID"
f _ (REUnion []) = pp "$VOID"
f p (REUnion xs)
| not (null es) = brackets (f 0 (REUnion nes))
| otherwise = (if p >= 1 then parens else id) (alts (map (f 1) xs))
where (es,nes) = partition isEpsilon xs
f _ (REConcat []) = text "$NULL"
f _ (REConcat []) = pp "$NULL"
f p (REConcat xs) = (if p >= 3 then parens else id) (fsep (map (f 2) xs))
f p (RERepeat x) = f 3 x <> text "<0->"
f p (RERepeat x) = f 3 x <> "<0->"
f _ (RESymbol s) = prSymbol sisr t s
@@ -85,7 +85,7 @@ prSymbol :: Maybe SISRFormat -> CFTerm -> SRGSymbol -> Doc
prSymbol sisr cn (NonTerminal n@(c,_)) = prCat c <+> tag sisr (catSISR cn n)
prSymbol _ cn (Terminal t)
| all isPunct t = empty -- removes punctuation
| otherwise = text t -- FIXME: quote if there is whitespace or odd chars
| otherwise = pp t -- FIXME: quote if there is whitespace or odd chars
tag :: Maybe SISRFormat -> (SISRFormat -> SISRTag) -> Doc
tag Nothing _ = empty
@@ -93,32 +93,32 @@ tag (Just fmt) t =
case t fmt of
[] -> empty
-- grr, silly SRGS ABNF does not have an escaping mechanism
ts | '{' `elem` x || '}' `elem` x -> text "{!{" <+> text x <+> text "}!}"
| otherwise -> text "{" <+> text x <+> text "}"
ts | '{' `elem` x || '}' `elem` x -> "{!{" <+> x <+> "}!}"
| otherwise -> "{" <+> x <+> "}"
where x = prSISR ts
isPunct :: Char -> Bool
isPunct c = c `elem` "-_.;.,?!"
comment :: String -> Doc
comment s = text "//" <+> text s
comment s = "//" <+> s
alts :: [Doc] -> Doc
alts = fsep . prepunctuate (text "| ")
alts = fsep . prepunctuate ("| ")
rule :: Bool -> Cat -> [Doc] -> Doc
rule pub c xs = p <+> prCat c <+> char '=' <+> nest 2 (alts xs) <+> char ';'
where p = if pub then text "public" else empty
rule pub c xs = p <+> prCat c <+> '=' <+> nest 2 (alts xs) <+> ';'
where p = if pub then pp "public" else empty
meta :: String -> String -> Doc
meta n v = text "meta" <+> text (show n) <+> text "is" <+> text (show v) <> char ';'
meta n v = "meta" <+> show n <+> "is" <+> show v <> ';'
-- Pretty-printing utilities
emptyLine :: Doc
emptyLine = text ""
emptyLine = pp ""
prepunctuate :: Doc -> [Doc] -> [Doc]
--prepunctuate :: Doc -> [Doc] -> [Doc]
prepunctuate _ [] = []
prepunctuate p (x:xs) = x : map (p <>) xs