[project @ 1999-01-15 14:06:50 by simonm]

[ghc-hetmet.git] / ghc / compiler / basicTypes / OccName.lhs

diff --git a/ghc/compiler/basicTypes/OccName.lhs b/ghc/compiler/basicTypes/OccName.lhs
index 4ecd069..ede2a97 100644 (file)
--- a/ghc/compiler/basicTypes/OccName.lhs
+++ b/ghc/compiler/basicTypes/OccName.lhs
@@ -38,7 +38,13 @@ module OccName (
 
 #include "HsVersions.h"
 
-import Char    ( isAlpha, isUpper, isLower, isAlphanum, ord )
+#if __HASKELL1__ > 4
+#define ISALPHANUM isAlphaNum
+#else
+#define ISALPHANUM isAlphanum
+#endif
+
+import Char    ( isAlpha, isUpper, isLower, ISALPHANUM, ord )
 import Util    ( thenCmp )
 import FiniteMap ( FiniteMap, emptyFM, lookupFM, addToFM, elemFM )
 import Outputable
@@ -549,7 +555,7 @@ We provide two interfaces for efficiency.
 \begin{code}
 identToC :: String -> FAST_STRING
 identToC str
-  | all isAlphanum str && not std = _PK_ str
+  | all ISALPHANUM str && not std = _PK_ str
   | std                          = _PK_ ("Zs" ++ encode str)
   | otherwise                    = _PK_ (encode str)
   where
@@ -557,7 +563,7 @@ identToC str
 
 identFsToC :: FAST_STRING -> FAST_STRING
 identFsToC fast_str
-  | all isAlphanum str && not std = fast_str
+  | all ISALPHANUM str && not std = fast_str
   | std                                  = _PK_ ("Zs" ++ encode str)
   | otherwise                    = _PK_ (encode str)
   where
@@ -573,7 +579,7 @@ encode [] = []
 encode (c:cs) = encode_ch c ++ encode cs
 
 encode_ch :: Char -> String
-encode_ch c | isAlphanum c = [c]
+encode_ch c | ISALPHANUM c = [c]
        -- Common case first
 encode_ch 'Z'  = "ZZ"
 encode_ch '&'  = "Za"