diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-07-24 15:02:03 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-07-24 15:02:03 -0400 |
| commit | 92af3391b64df0a2082006c39ed1335dd1bf7256 (patch) | |
| tree | 88b7d3545d1b46e288c0f1f0d41a9be6abdb0ce1 /src/elab_print.sml | |
| parent | 84f7c995c0ad553d3fc91d1b31f320fc9de58d79 (diff) | |
Start of datatype support
Diffstat (limited to 'src/elab_print.sml')
| -rw-r--r-- | src/elab_print.sml | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/elab_print.sml b/src/elab_print.sml index e59fb9f7..19653df9 100644 --- a/src/elab_print.sml +++ b/src/elab_print.sml @@ -309,6 +309,22 @@ fun p_named x n = 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 @@ fun p_sgn_item env (sgi, _) = 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 @@ fun p_decl env (dAll as (d, _) : decl) = 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] |