Mercurial > urweb
diff src/elab_print.sml @ 156:34ccd7d2bea8
Start of datatype support
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Thu, 24 Jul 2008 15:02:03 -0400 |
| parents | 7420fa18d657 |
| children | 06a98129b23f |
line wrap: on
line diff
--- a/src/elab_print.sml Thu Jul 24 11:32:01 2008 -0400 +++ b/src/elab_print.sml Thu Jul 24 15:02:03 2008 -0400 @@ -309,6 +309,22 @@ else string x +fun p_datatype env (x, n, cons) = + let + val env = E.pushCNamedAs env x n (KType, ErrorMsg.dummySpan) NONE + in + box [string "datatype", + space, + string x, + space, + string "=", + space, + p_list_sep (box [space, string "|", space]) + (fn (x, _, NONE) => string x + | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t]) + cons] + end + fun p_sgn_item env (sgi, _) = case sgi of SgiConAbs (x, n, k) => box [string "con", @@ -329,6 +345,22 @@ string "=", space, p_con env c] + | SgiDatatype x => p_datatype env x + | SgiDatatypeImp (x, _, m1, ms, x') => + let + val m1x = #1 (E.lookupStrNamed env m1) + handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1 + in + box [string "datatype", + space, + string x, + space, + string "=", + space, + string "datatype", + space, + p_list_sep (string ".") string (m1x :: ms @ [x'])] + end | SgiVal (x, n, c) => box [string "val", space, p_named x n, @@ -435,6 +467,22 @@ string "=", space, p_con env c] + | DDatatype x => p_datatype env x + | DDatatypeImp (x, _, m1, ms, x') => + let + val m1x = #1 (E.lookupStrNamed env m1) + handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1 + in + box [string "datatype", + space, + string x, + space, + string "=", + space, + string "datatype", + space, + p_list_sep (string ".") string (m1x :: ms @ [x'])] + end | DVal vi => box [string "val", space, p_vali env vi]