complete word completion in the shell. works for commands, flags, options, abstract syntax identifiers and NL strings

src-3.0/GF/Command/Abstract.hs

@@ -26,3 +26,23 @@ data Argument
   = AExp Exp
   | ANoArg
   deriving (Eq,Ord,Show)
+
+valIdOpts :: String -> String -> [Option] -> String
+valIdOpts flag def opts = case valOpts flag (VId def) opts of
+  VId v -> v
+  _     -> def
+
+valIntOpts :: String -> Integer -> [Option] -> Int
+valIntOpts flag def opts = fromInteger $ case valOpts flag (VInt def) opts of
+  VInt v -> v
+  _      -> def
+
+valOpts :: String -> Value -> [Option] -> Value
+valOpts flag def opts = case lookup flag flags of
+  Just v -> v
+  _ -> def
+ where
+   flags = [(f,v) | OFlag f v <- opts]
+
+isOpt :: String -> [Option] -> Bool
+isOpt o opts = elem o [x | OOpt x <- opts]

src-3.0/GF/Command/Commands.hs

@@ -64,26 +64,6 @@ commandHelp full (co,info) = unlines $ [
   "flags: " ++ unwords (flags info)
   ] else []
 
-valIdOpts :: String -> String -> [Option] -> String
-valIdOpts flag def opts = case valOpts flag (VId def) opts of
-  VId v -> v
-  _     -> def
-
-valIntOpts :: String -> Integer -> [Option] -> Int
-valIntOpts flag def opts = fromInteger $ case valOpts flag (VInt def) opts of
-  VInt v -> v
-  _      -> def
-
-valOpts :: String -> Value -> [Option] -> Value
-valOpts flag def opts = case lookup flag flags of
-  Just v -> v
-  _ -> def
- where
-   flags = [(f,v) | OFlag f v <- opts]
-
-isOpt :: String -> [Option] -> Bool
-isOpt o opts = elem o [x | OOpt x <- opts]
-
 -- this list must be kept sorted by the command name!
 allCommands :: PGF -> Map.Map String CommandInfo
 allCommands pgf = Map.fromAscList [

src-3.0/GF/Command/Parse.hs

@@ -1,4 +1,4 @@
-module GF.Command.Parse(readCommandLine) where
+module GF.Command.Parse(readCommandLine, pCommand) where
 
 import PGF.ExprSyntax
 import GF.Command.Abstract

src-3.0/GF/System/UseReadline.hs

@@ -18,6 +18,8 @@ import System.Console.Readline
 
 fetchCommand :: String -> IO (String)
 fetchCommand s = do
+  setCompletionAppendCharacter Nothing
+  setBasicQuoteCharacters ""
   res <- readline s
   case res of
    Nothing -> return "q"