Mercurial > urweb
diff src/cjr_env.sml @ 809:81fce435e255
Mutual datatypes through Cjrize
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sat, 16 May 2009 16:02:17 -0400 |
| parents | 8688e01ae469 |
| children | b2311dfb3158 |
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--- a/src/cjr_env.sml Sat May 16 15:55:15 2009 -0400 +++ b/src/cjr_env.sml Sat May 16 16:02:17 2009 -0400 @@ -137,15 +137,16 @@ fun declBinds env (d, loc) = case d of - DDatatype (_, x, n, xncs) => - let - val env = pushDatatype env x n xncs - val dt = (TDatatype (classifyDatatype xncs, n, ref xncs), loc) - in - foldl (fn ((x', n', NONE), env) => pushENamed env x' n' dt - | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, dt), loc)) - env xncs - end + DDatatype dts => + foldl (fn ((_, x, n, xncs), env) => + let + val env = pushDatatype env x n xncs + val dt = (TDatatype (classifyDatatype xncs, n, ref xncs), loc) + in + foldl (fn ((x', n', NONE), env) => pushENamed env x' n' dt + | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, dt), loc)) + env xncs + end) env dts | DDatatypeForward (_, x, n) => pushDatatype env x n [] | DStruct (n, xts) => pushStruct env n xts | DVal (x, n, t, _) => pushENamed env x n t