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new PGF output format: prolog syntax

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* output a PGF grammar in prolog readable syntax
* variables in abstract syntax (hypotheses and lambda-abstractions) 
  are translated to unique logical variables
* PGF terms in concrete syntax are translated to more prolog-like terms
This commit is contained in:
peb
2008-09-03 09:04:09 +00:00
parent 2efc33329e
commit 8952a626d0
3 changed files with 308 additions and 2 deletions
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3
src/GF/Compile/Export.hs
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@@ -5,6 +5,7 @@ import PGF.Data (PGF(..))
import PGF.Raw.Print (printTree)
import PGF.Raw.Convert (fromPGF)
import GF.Compile.GFCCtoHaskell
import GF.Compile.GFCCtoProlog
import GF.Compile.GFCCtoJS
import GF.Infra.Option
import GF.Speech.CFG
@@ -32,6 +33,8 @@ exportPGF opts fmt pgf =
FmtJavaScript -> multi "js" pgf2js
FmtHaskell -> multi "hs" (grammar2haskell name)
FmtHaskell_GADT -> multi "hs" (grammar2haskellGADT name)
FmtProlog -> multi "pl" grammar2prolog
FmtProlog_Abs -> multi "pl" grammar2prolog_abs
FmtBNF -> single "bnf" bnfPrinter
FmtSRGS_XML -> single "grxml" (srgsXmlPrinter sisr)
FmtSRGS_XML_NonRec -> single "grxml" srgsXmlNonRecursivePrinter