X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=Generate.hs;h=6405a6e620fb18e78ff41978f11e4370f2064eff;hb=3ad8feb4ca1eecfb53bed973d7e0f1c3b4145d0f;hp=8053f9852a5653107e1f802842727214f14516fb;hpb=b4e5628b8d3714338abb9af0c96b1faddabfaee8;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/Generate.hs b/Generate.hs
index 8053f98..6405a6e 100644
--- a/Generate.hs
+++ b/Generate.hs
@@ -62,7 +62,8 @@ genUnconsVectorFuns elemTM vectorTM  =
   , AST.SubProgBody tailSpec    [AST.SPVD tailVar]  [tailExpr, tailRet]         
   , AST.SubProgBody takeSpec    [AST.SPVD takeVar]  [takeExpr, takeRet]         
   , AST.SubProgBody dropSpec    [AST.SPVD dropVar]  [dropExpr, dropRet]    
-  , AST.SubProgBody plusgtSpec  [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet]     
+  , AST.SubProgBody plusgtSpec  [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet]
+  , AST.SubProgBody emptySpec   [AST.SPVD emptyVar] [emptyExpr]    
   ]
   where 
     ixPar   = AST.unsafeVHDLBasicId "ix"
@@ -201,3 +202,12 @@ genUnconsVectorFuns elemTM vectorTM  =
                    ((AST.PrimName $ AST.NSimple aPar) AST.:&: 
                     (AST.PrimName $ AST.NSimple vecPar))
     plusgtRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
+    emptySpec = AST.Function emptyId [] vectorTM
+    emptyVar = 
+          AST.VarDec resId 
+              (AST.SubtypeIn vectorTM
+                (Just $ AST.ConstraintIndex $ AST.IndexConstraint 
+                 [AST.ToRange (AST.PrimLit "0")
+                          (AST.PrimLit "-1")]))
+              Nothing
+    emptyExpr = AST.ReturnSm (Just $ AST.PrimName (AST.NSimple resId))
\ No newline at end of file