Change input to the different SRG printers to be StateGrammar instead of CGrammar. This to allow looking at the types in SISR, and to reduce the number of argument passed from Custom.

src/GF/Speech/PrRegExp.hs

@@ -14,8 +14,9 @@ import GF.Conversion.Types
 import GF.Infra.Ident
 import GF.Speech.CFGToFiniteState
 import GF.Speech.RegExp
+import GF.Compile.ShellState (StateGrammar)
 
 
 regexpPrinter :: Ident -- ^ Grammar name
-	      -> String -> CGrammar -> String
-regexpPrinter name start cfg = prRE $ dfa2re $ cfgToFA start cfg
+	      -> String -> StateGrammar -> String
+regexpPrinter name start = prRE . dfa2re . cfgToFA start