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-rw-r--r--src/compiler/GF/Grammar/Lexer.x11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/compiler/GF/Grammar/Lexer.x b/src/compiler/GF/Grammar/Lexer.x
index 365388726..b3d271ddd 100644
--- a/src/compiler/GF/Grammar/Lexer.x
+++ b/src/compiler/GF/Grammar/Lexer.x
@@ -4,7 +4,7 @@
module GF.Grammar.Lexer
( Token(..), Posn(..)
, P, runP, runPartial, token, lexer, getPosn, failLoc
- , isReservedWord
+ , isReservedWord, invMap
) where
import Control.Applicative
@@ -134,7 +134,7 @@ data Token
| T_Double Double -- double precision float literals
| T_Ident Ident
| T_EOF
--- deriving Show -- debug
+ deriving (Eq, Ord, Show) -- debug
res = eitherResIdent
eitherResIdent :: (Ident -> Token) -> Ident -> Token
@@ -224,6 +224,13 @@ resWords = Map.fromList
]
where b s t = (identS s, t)
+invMap :: Map.Map Token String
+invMap = res
+ where
+ lst = Map.toList resWords
+ flp = map (\(k,v) -> (v,showIdent k)) lst
+ res = Map.fromList flp
+
unescapeInitTail :: String -> String
unescapeInitTail = unesc . tail where
unesc s = case s of