Mercurial > urweb
view src/corify.sml @ 35:1dfbd9e3e790
Proper selfification
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 17 Jun 2008 17:08:28 -0400 |
parents | 44b5405e74c7 |
children | 02f42e9a1825 |
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(* Copyright (c) 2008, Adam Chlipala * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - The names of contributors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. *) structure Corify :> CORIFY = struct structure EM = ErrorMsg structure L = Elab structure L' = Core fun corifyKind (k, loc) = case k of L.KType => (L'.KType, loc) | L.KArrow (k1, k2) => (L'.KArrow (corifyKind k1, corifyKind k2), loc) | L.KName => (L'.KName, loc) | L.KRecord k => (L'.KRecord (corifyKind k), loc) | L.KError => raise Fail ("corifyKind: KError at " ^ EM.spanToString loc) | L.KUnif (_, ref (SOME k)) => corifyKind k | L.KUnif _ => raise Fail ("corifyKind: KUnif at " ^ EM.spanToString loc) fun corifyCon (c, loc) = case c of L.TFun (t1, t2) => (L'.TFun (corifyCon t1, corifyCon t2), loc) | L.TCFun (_, x, k, t) => (L'.TCFun (x, corifyKind k, corifyCon t), loc) | L.TRecord c => (L'.TRecord (corifyCon c), loc) | L.CRel n => (L'.CRel n, loc) | L.CNamed n => (L'.CNamed n, loc) | L.CModProj _ => raise Fail "Corify CModProj" | L.CApp (c1, c2) => (L'.CApp (corifyCon c1, corifyCon c2), loc) | L.CAbs (x, k, c) => (L'.CAbs (x, corifyKind k, corifyCon c), loc) | L.CName s => (L'.CName s, loc) | L.CRecord (k, xcs) => (L'.CRecord (corifyKind k, map (fn (c1, c2) => (corifyCon c1, corifyCon c2)) xcs), loc) | L.CConcat (c1, c2) => (L'.CConcat (corifyCon c1, corifyCon c2), loc) | L.CError => raise Fail ("corifyCon: CError at " ^ EM.spanToString loc) | L.CUnif (_, _, ref (SOME c)) => corifyCon c | L.CUnif _ => raise Fail ("corifyCon: CUnif at " ^ EM.spanToString loc) fun corifyExp (e, loc) = case e of L.EPrim p => (L'.EPrim p, loc) | L.ERel n => (L'.ERel n, loc) | L.ENamed n => (L'.ENamed n, loc) | L.EModProj _ => raise Fail "Corify EModProj" | L.EApp (e1, e2) => (L'.EApp (corifyExp e1, corifyExp e2), loc) | L.EAbs (x, dom, ran, e1) => (L'.EAbs (x, corifyCon dom, corifyCon ran, corifyExp e1), loc) | L.ECApp (e1, c) => (L'.ECApp (corifyExp e1, corifyCon c), loc) | L.ECAbs (_, x, k, e1) => (L'.ECAbs (x, corifyKind k, corifyExp e1), loc) | L.ERecord xes => (L'.ERecord (map (fn (c, e, t) => (corifyCon c, corifyExp e, corifyCon t)) xes), loc) | L.EField (e1, c, {field, rest}) => (L'.EField (corifyExp e1, corifyCon c, {field = corifyCon field, rest = corifyCon rest}), loc) | L.EError => raise Fail ("corifyExp: EError at " ^ EM.spanToString loc) fun corifyDecl (d, loc : EM.span) = case d of L.DCon (x, n, k, c) => (L'.DCon (x, n, corifyKind k, corifyCon c), loc) | L.DVal (x, n, t, e) => (L'.DVal (x, n, corifyCon t, corifyExp e), loc) | L.DSgn _ => raise Fail "Not ready to corify signature" | L.DStr _ => raise Fail "Not ready to corify structure" val corify = map corifyDecl end