Handled renaming external SRG categories centrally.

This commit is contained in:
bjorn
2008-06-16 16:44:33 +00:00
parent 5c7c010f80
commit a47fcbcbf2
4 changed files with 28 additions and 34 deletions

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@@ -242,6 +242,11 @@ catRules gr c = Set.toList $ Map.findWithDefault Set.empty c (cfgRules gr)
catSetRules :: CFG -> Set Cat -> [CFRule]
catSetRules gr cs = allRules $ filterCFGCats (`Set.member` cs) gr
mapCFGCats :: (Cat -> Cat) -> CFG -> CFG
mapCFGCats f cfg = mkCFG (f (cfgStartCat cfg))
(Set.map f (cfgExternalCats cfg))
[CFRule (f lhs) (map (mapSymbol f id) rhs) t | CFRule lhs rhs t <- allRules cfg]
onCFG :: (Map Cat (Set CFRule) -> Map Cat (Set CFRule)) -> CFG -> CFG
onCFG f cfg = cfg { cfgRules = f (cfgRules cfg) }

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@@ -44,10 +44,8 @@ prJSGF sisr srg
comment "Generated by GF" $$
text ("grammar " ++ srgName srg ++ ";")
lang = maybe empty text (srgLanguage srg)
mainCat = rule True "MAIN" [prCat (externalCat (srgStartCat srg))]
prRule (SRGRule cat rhs)
| isExternalCat srg cat = rule True (externalCat cat) (map prAlt rhs)
| otherwise = rule False cat (map prAlt rhs)
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
@@ -55,9 +53,6 @@ prJSGF sisr srg
finalTag = tag sisr (profileFinalSISR n)
p = if isEmpty initTag && isEmpty finalTag then id else parens
externalCat :: Cat -> Cat
externalCat c = c ++ "_cat"
prCat :: Cat -> Doc
prCat c = char '<' <> text c <> char '>'

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@@ -96,17 +96,12 @@ stats g = "Categories: " ++ show (countCats g)
makeNonRecursiveSRG :: PGF
-> CId -- ^ Concrete syntax name.
-> SRG
makeNonRecursiveSRG pgf cnc =
SRG { srgName = prCId cnc,
srgStartCat = start,
srgExternalCats = cfgExternalCats cfg,
srgLanguage = getSpeechLanguage pgf cnc,
srgRules = rs }
where
cfg = pgfToCFG pgf cnc
MFA start dfas = cfgToMFA cfg
rs = [SRGRule l [SRGAlt Nothing dummyCFTerm (dfaToSRGItem dfa)] | (l,dfa) <- dfas]
where dfaToSRGItem = mapRE dummySRGNT . minimizeRE . dfa2re
makeNonRecursiveSRG = mkSRG mkRules
where
mkRules cfg = [SRGRule l [SRGAlt Nothing dummyCFTerm (dfaToSRGItem dfa)] | (l,dfa) <- dfas]
where
MFA _ dfas = cfgToMFA cfg
dfaToSRGItem = mapRE dummySRGNT . minimizeRE . dfa2re
dummyCFTerm = CFMeta (mkCId "dummy")
dummySRGNT = mapSymbol (\c -> (c,0)) id
@@ -114,16 +109,19 @@ makeSRG :: (CFG -> CFG)
-> PGF
-> CId -- ^ Concrete syntax name.
-> SRG
makeSRG preprocess pgf cnc =
SRG { srgName = prCId cnc,
srgStartCat = cfgStartCat cfg,
srgExternalCats = cfgExternalCats cfg,
srgLanguage = getSpeechLanguage pgf cnc,
srgRules = rs }
makeSRG preprocess = mkSRG mkRules
where
cfg = pgfToCFG pgf cnc
(_,cfgRules) = unzip $ allRulesGrouped $ preprocess cfg
rs = map cfRulesToSRGRule cfgRules
mkRules = map cfRulesToSRGRule . snd . unzip . allRulesGrouped . preprocess
mkSRG :: (CFG -> [SRGRule]) -> PGF -> CId -> SRG
mkSRG mkRules pgf cnc =
SRG { srgName = prCId cnc,
srgStartCat = cfgStartCat cfg,
srgExternalCats = cfgExternalCats cfg,
srgLanguage = getSpeechLanguage pgf cnc,
srgRules = mkRules cfg }
where cfg = renameExternal $ pgfToCFG pgf cnc
renameExternal cfg' = mapCFGCats (\c -> if c `Set.member` cfgExternalCats cfg' then c ++ "_cat" else c) cfg'
getSpeechLanguage :: PGF -> CId -> Maybe String
getSpeechLanguage pgf cnc = fmap (replace '_' '-') $ lookConcrFlag pgf cnc (mkCId "language")

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@@ -32,19 +32,15 @@ srgsXmlNonRecursivePrinter pgf cnc = prSrgsXml Nothing $ makeNonRecursiveSRG pgf
prSrgsXml :: Maybe SISRFormat -> SRG -> String
prSrgsXml sisr srg = showXMLDoc (optimizeSRGS xmlGr)
where
xmlGr = grammar sisr (externalCat (srgStartCat srg)) (srgLanguage srg) $
xmlGr = grammar sisr (srgStartCat srg) (srgLanguage srg) $
[meta "description"
("SRGS XML speech recognition grammar for " ++ srgName srg ++ "."),
meta "generator" "Grammatical Framework"]
++ map ruleToXML (srgRules srg)
ruleToXML (SRGRule cat alts)
| isExternalCat srg cat = Tag "rule" [("id",externalCat cat),("scope","public")] (prRhs alts)
| otherwise = Tag "rule" [("id",cat)] (prRhs alts)
ruleToXML (SRGRule cat alts) = Tag "rule" ([("id",cat)]++pub) (prRhs alts)
where pub = if isExternalCat srg cat then [("scope","public")] else []
prRhs rhss = [oneOf (map (mkProd sisr) rhss)]
externalCat :: Cat -> Cat
externalCat c = c ++ "_cat"
mkProd :: Maybe SISRFormat -> SRGAlt -> XML
mkProd sisr (SRGAlt mp n rhs) = Tag "item" [] (ti ++ [x] ++ tf)
where x = mkItem sisr n rhs