X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=clash%2FCLasH%2FVHDL%2FVHDLTools.hs;h=bc5f497038f6e7b8167135899d1644d4db85b611;hb=3f39038911a675d91b5147761e16296d3ab25743;hp=70b09cae169392dac0b7653494b451e3979ae1ef;hpb=d52922fb4330e6a7e3bc8bd860a8bf5f98142509;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/clash/CLasH/VHDL/VHDLTools.hs b/clash/CLasH/VHDL/VHDLTools.hs
index 70b09ca..bc5f497 100644
--- a/clash/CLasH/VHDL/VHDLTools.hs
+++ b/clash/CLasH/VHDL/VHDLTools.hs
@@ -256,12 +256,18 @@ mkVHDLBasicId s =
 -- basic ids.
 -- Use extended Ids for any values that are taken from the source file.
 mkVHDLExtId :: String -> AST.VHDLId
-mkVHDLExtId s = 
-  AST.unsafeVHDLExtId $ strip_invalid s
+mkVHDLExtId s =
+  (AST.unsafeVHDLBasicId . zEncodeString . strip_multiscore . strip_leading . strip_invalid) s
   where 
     -- Allowed characters, taken from ForSyde's mkVHDLExtId
     allowed = ['A'..'Z'] ++ ['a'..'z'] ++ ['0'..'9'] ++ " \"#&'()*+,./:;<=>_|!$%@?[]^`{}~-"
     strip_invalid = filter (`elem` allowed)
+    strip_leading = dropWhile (`elem` ['0'..'9'] ++ "_")
+    strip_multiscore = concatMap (\cs -> 
+        case cs of 
+          ('_':_) -> "_"
+          _ -> cs
+      ) . List.group
 
 -- Create a record field selector that selects the given label from the record
 -- stored in the given binder.
@@ -717,7 +723,7 @@ mkVectorShow elemTM vectorTM =
                                                              AST.:-: AST.PrimLit "1"))
     tailRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
     showSpec  = AST.Function showId [AST.IfaceVarDec vecPar vectorTM, AST.IfaceVarDec parenPar booleanTM] stringTM
-    doShowId  = AST.unsafeVHDLExtId "doshow"
+    doShowId  = AST.unsafeVHDLBasicId "doshow"
     doShowDef = AST.SubProgBody doShowSpec [] [doShowRet]
       where doShowSpec = AST.Function doShowId [AST.IfaceVarDec vecPar vectorTM] 
                                            stringTM