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62 lines
2.0 KiB
Haskell
62 lines
2.0 KiB
Haskell
module GF.Compile.Export where
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import PGF.CId
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import PGF.Data (PGF(..))
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import PGF.Raw.Print (printTree)
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import PGF.Raw.Convert (fromPGF)
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import GF.Compile.GFCCtoHaskell
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import GF.Compile.GFCCtoJS
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import GF.Infra.Option
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import GF.Speech.CFG
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import GF.Speech.PGFToCFG
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import GF.Speech.SRGS_XML
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import GF.Speech.JSGF
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import GF.Speech.GSL
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import GF.Speech.VoiceXML
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import GF.Speech.SLF
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import GF.Speech.PrRegExp
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import GF.Text.UTF8
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import Data.Maybe
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import System.FilePath
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-- top-level access to code generation
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exportPGF :: Options
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-> OutputFormat
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-> PGF
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-> [(FilePath,String)] -- ^ List of recommended file names and contents.
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exportPGF opts fmt pgf =
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case fmt of
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FmtPGF -> multi "pgf" printPGF
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FmtJavaScript -> multi "js" pgf2js
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FmtHaskell -> multi "hs" (grammar2haskell name)
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FmtHaskell_GADT -> multi "hs" (grammar2haskellGADT name)
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FmtBNF -> single "bnf" bnfPrinter
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FmtSRGS_XML -> single "grxml" (srgsXmlPrinter sisr)
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FmtJSGF -> single "jsgf" (jsgfPrinter sisr)
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FmtGSL -> single "gsl" gslPrinter
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FmtVoiceXML -> single "vxml" grammar2vxml
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FmtSLF -> single ".slf" slfPrinter
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FmtRegExp -> single ".rexp" regexpPrinter
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FmtFA -> single ".dot" slfGraphvizPrinter
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where
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name = fromMaybe (prCId (absname pgf)) (moduleFlag optName opts)
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sisr = flag optSISR opts
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multi :: String -> (PGF -> String) -> [(FilePath,String)]
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multi ext pr = [(name <.> ext, pr pgf)]
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single :: String -> (PGF -> CId -> String) -> [(FilePath,String)]
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single ext pr = [(prCId cnc <.> ext, pr pgf cnc) | cnc <- cncnames pgf]
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-- | Get the name of the concrete syntax to generate output from.
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-- FIXME: there should be an option to change this.
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outputConcr :: PGF -> CId
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outputConcr pgf = case cncnames pgf of
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[] -> error "No concrete syntax."
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cnc:_ -> cnc
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printPGF :: PGF -> String
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printPGF = encodeUTF8 . printTree . fromPGF
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