Mercurial > urweb
diff src/elab_util.sml @ 59:abb2b32c19fb
Subsignatures
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 22 Jun 2008 19:10:38 -0400 |
| parents | b3fbbc6cb1e5 |
| children | 9f89f0b00b84 |
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--- a/src/elab_util.sml Sun Jun 22 18:17:21 2008 -0400 +++ b/src/elab_util.sml Sun Jun 22 19:10:38 2008 -0400 @@ -305,6 +305,7 @@ RelC of string * Elab.kind | NamedC of string * Elab.kind | Str of string * Elab.sgn + | Sgn of string * Elab.sgn fun mapfoldB {kind, con, sgn_item, sgn, bind} = let @@ -343,6 +344,10 @@ S.map2 (sg ctx s, fn s' => (SgiStr (x, n, s'), loc)) + | SgiSgn (x, n, s) => + S.map2 (sg ctx s, + fn s' => + (SgiSgn (x, n, s'), loc)) and sg ctx s acc = S.bindP (sg' ctx s acc, sgn ctx) @@ -358,7 +363,9 @@ bind (ctx, NamedC (x, k)) | SgiVal _ => ctx | SgiStr (x, _, sgn) => - bind (ctx, Str (x, sgn)), + bind (ctx, Str (x, sgn)) + | SgiSgn (x, _, sgn) => + bind (ctx, Sgn (x, sgn)), sgi ctx si)) ctx sgis, fn sgis' => (SgnConst sgis', loc)) @@ -370,6 +377,7 @@ S.map2 (sg (bind (ctx, Str (m, s1'))) s2, fn s2' => (SgnFun (m, n, s1', s2'), loc))) + | SgnProj _ => S.return2 sAll | SgnWhere (sgn, x, c) => S.bind2 (sg ctx sgn, fn sgn' =>