diff options
| author |  Adam Chlipala <adam@chlipala.net> | 2016-01-01 12:07:52 -0500 |
|---|---|---|
| committer | Adam Chlipala <adam@chlipala.net> | 2016-01-01 12:07:52 -0500 |
| commit | c748c02510ce84b457c2c7d288a67b686642bd0d (patch) | |
| tree | e15f2132fa7534b43acff6188ae3fcccb90eafac /src/cjr_print.sml | |
| parent | f5f93f6efc15ade5945e8572d889f22d198611b9 (diff) | |
Fix issue with enumerated types and dependency order
Diffstat (limited to 'src/cjr_print.sml')
| -rw-r--r-- | src/cjr_print.sml | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/cjr_print.sml b/src/cjr_print.sml index 2c2133d6..ee7792a5 100644 --- a/src/cjr_print.sml +++ b/src/cjr_print.sml @@ -2356,7 +2356,7 @@ fun p_fun isRec env (fx, n, args, ran, e) = val global_initializers : Print.PD.pp_desc list ref = ref [] -fun p_decl env (dAll as (d, _) : decl) = +fun p_decl env (dAll as (d, loc) : decl) = case d of DStruct (n, xts) => let @@ -2378,9 +2378,6 @@ fun p_decl env (dAll as (d, _) : decl) = end | DDatatype dts => let - val dts = ListMergeSort.sort (fn ((dk1, _, _, _), (dk2, _, _, _)) => - dk1 = Enum andalso dk2 <> Enum) dts - fun p_one (Enum, x, n, xncs) = box [string "enum", space, @@ -2605,6 +2602,22 @@ fun p_file env (ds, ps) = self := NONE; global_initializers := []) + (* First, pull out all of the enumerated types, to be declared first. *) + val (ds, enums) = ListUtil.foldlMap (fn (d, enums) => + case #1 d of + DDatatype dts => + let + val (enum, other) = List.partition (fn (Enum, _, _, _) => true + | _ => false) dts + in + ((DDatatype other, #2 d), + List.revAppend (enum, enums)) + end + | _ => (d, enums)) + [] ds + + val ds = (DDatatype enums, ErrorMsg.dummySpan) :: ds + val (pds, env) = ListUtil.foldlMap (fn (d, env) => let val d' = p_decl env d |