|
adamc@38
|
1 (* Copyright (c) 2008, Adam Chlipala
|
|
adamc@38
|
2 * All rights reserved.
|
|
adamc@38
|
3 *
|
|
adamc@38
|
4 * Redistribution and use in source and binary forms, with or without
|
|
adamc@38
|
5 * modification, are permitted provided that the following conditions are met:
|
|
adamc@38
|
6 *
|
|
adamc@38
|
7 * - Redistributions of source code must retain the above copyright notice,
|
|
adamc@38
|
8 * this list of conditions and the following disclaimer.
|
|
adamc@38
|
9 * - Redistributions in binary form must reproduce the above copyright notice,
|
|
adamc@38
|
10 * this list of conditions and the following disclaimer in the documentation
|
|
adamc@38
|
11 * and/or other materials provided with the distribution.
|
|
adamc@38
|
12 * - The names of contributors may not be used to endorse or promote products
|
|
adamc@38
|
13 * derived from this software without specific prior written permission.
|
|
adamc@38
|
14 *
|
|
adamc@38
|
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
adamc@38
|
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
adamc@38
|
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
adamc@38
|
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
adamc@38
|
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
adamc@38
|
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
adamc@38
|
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
adamc@38
|
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
adamc@38
|
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
adamc@38
|
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
adamc@38
|
25 * POSSIBILITY OF SUCH DAMAGE.
|
|
adamc@38
|
26 *)
|
|
adamc@38
|
27
|
|
adamc@38
|
28 structure Explify :> EXPLIFY = struct
|
|
adamc@38
|
29
|
|
adamc@38
|
30 structure EM = ErrorMsg
|
|
adamc@38
|
31 structure L = Elab
|
|
adamc@38
|
32 structure L' = Expl
|
|
adamc@38
|
33
|
|
adamc@38
|
34 fun explifyKind (k, loc) =
|
|
adamc@38
|
35 case k of
|
|
adamc@38
|
36 L.KType => (L'.KType, loc)
|
|
adamc@38
|
37 | L.KArrow (k1, k2) => (L'.KArrow (explifyKind k1, explifyKind k2), loc)
|
|
adamc@38
|
38 | L.KName => (L'.KName, loc)
|
|
adamc@38
|
39 | L.KRecord k => (L'.KRecord (explifyKind k), loc)
|
|
adamc@38
|
40
|
|
adamc@87
|
41 | L.KUnit => (L'.KUnit, loc)
|
|
adamc@213
|
42 | L.KTuple ks => (L'.KTuple (map explifyKind ks), loc)
|
|
adamc@82
|
43
|
|
adamc@38
|
44 | L.KError => raise Fail ("explifyKind: KError at " ^ EM.spanToString loc)
|
|
adamc@76
|
45 | L.KUnif (_, _, ref (SOME k)) => explifyKind k
|
|
adamc@38
|
46 | L.KUnif _ => raise Fail ("explifyKind: KUnif at " ^ EM.spanToString loc)
|
|
adamc@38
|
47
|
|
adamc@38
|
48 fun explifyCon (c, loc) =
|
|
adamc@38
|
49 case c of
|
|
adamc@38
|
50 L.TFun (t1, t2) => (L'.TFun (explifyCon t1, explifyCon t2), loc)
|
|
adamc@38
|
51 | L.TCFun (_, x, k, t) => (L'.TCFun (x, explifyKind k, explifyCon t), loc)
|
|
adamc@345
|
52 | L.CDisjoint (_, _, _, c) => explifyCon c
|
|
adamc@38
|
53 | L.TRecord c => (L'.TRecord (explifyCon c), loc)
|
|
adamc@38
|
54
|
|
adamc@38
|
55 | L.CRel n => (L'.CRel n, loc)
|
|
adamc@38
|
56 | L.CNamed n => (L'.CNamed n, loc)
|
|
adamc@38
|
57 | L.CModProj (m, ms, x) => (L'.CModProj (m, ms, x), loc)
|
|
adamc@38
|
58
|
|
adamc@38
|
59 | L.CApp (c1, c2) => (L'.CApp (explifyCon c1, explifyCon c2), loc)
|
|
adamc@38
|
60 | L.CAbs (x, k, c) => (L'.CAbs (x, explifyKind k, explifyCon c), loc)
|
|
adamc@38
|
61
|
|
adamc@38
|
62 | L.CName s => (L'.CName s, loc)
|
|
adamc@38
|
63
|
|
adamc@38
|
64 | L.CRecord (k, xcs) => (L'.CRecord (explifyKind k, map (fn (c1, c2) => (explifyCon c1, explifyCon c2)) xcs), loc)
|
|
adamc@38
|
65 | L.CConcat (c1, c2) => (L'.CConcat (explifyCon c1, explifyCon c2), loc)
|
|
adamc@68
|
66 | L.CFold (dom, ran) => (L'.CFold (explifyKind dom, explifyKind ran), loc)
|
|
adamc@38
|
67
|
|
adamc@87
|
68 | L.CUnit => (L'.CUnit, loc)
|
|
adamc@82
|
69
|
|
adamc@213
|
70 | L.CTuple cs => (L'.CTuple (map explifyCon cs), loc)
|
|
adamc@213
|
71 | L.CProj (c, n) => (L'.CProj (explifyCon c, n), loc)
|
|
adamc@208
|
72
|
|
adamc@38
|
73 | L.CError => raise Fail ("explifyCon: CError at " ^ EM.spanToString loc)
|
|
adamc@76
|
74 | L.CUnif (_, _, _, ref (SOME c)) => explifyCon c
|
|
adamc@38
|
75 | L.CUnif _ => raise Fail ("explifyCon: CUnif at " ^ EM.spanToString loc)
|
|
adamc@38
|
76
|
|
adamc@176
|
77 fun explifyPatCon pc =
|
|
adamc@176
|
78 case pc of
|
|
adamc@176
|
79 L.PConVar n => L'.PConVar n
|
|
adamc@176
|
80 | L.PConProj x => L'.PConProj x
|
|
adamc@176
|
81
|
|
adamc@176
|
82 fun explifyPat (p, loc) =
|
|
adamc@176
|
83 case p of
|
|
adamc@176
|
84 L.PWild => (L'.PWild, loc)
|
|
adamc@182
|
85 | L.PVar (x, t) => (L'.PVar (x, explifyCon t), loc)
|
|
adamc@176
|
86 | L.PPrim p => (L'.PPrim p, loc)
|
|
adamc@191
|
87 | L.PCon (dk, pc, cs, po) => (L'.PCon (dk, explifyPatCon pc, map explifyCon cs, Option.map explifyPat po), loc)
|
|
adamc@182
|
88 | L.PRecord xps => (L'.PRecord (map (fn (x, p, t) => (x, explifyPat p, explifyCon t)) xps), loc)
|
|
adamc@176
|
89
|
|
adamc@38
|
90 fun explifyExp (e, loc) =
|
|
adamc@38
|
91 case e of
|
|
adamc@38
|
92 L.EPrim p => (L'.EPrim p, loc)
|
|
adamc@38
|
93 | L.ERel n => (L'.ERel n, loc)
|
|
adamc@38
|
94 | L.ENamed n => (L'.ENamed n, loc)
|
|
adamc@38
|
95 | L.EModProj (m, ms, x) => (L'.EModProj (m, ms, x), loc)
|
|
adamc@38
|
96 | L.EApp (e1, e2) => (L'.EApp (explifyExp e1, explifyExp e2), loc)
|
|
adamc@38
|
97 | L.EAbs (x, dom, ran, e1) => (L'.EAbs (x, explifyCon dom, explifyCon ran, explifyExp e1), loc)
|
|
adamc@38
|
98 | L.ECApp (e1, c) => (L'.ECApp (explifyExp e1, explifyCon c), loc)
|
|
adamc@38
|
99 | L.ECAbs (_, x, k, e1) => (L'.ECAbs (x, explifyKind k, explifyExp e1), loc)
|
|
adamc@38
|
100
|
|
adamc@38
|
101 | L.ERecord xes => (L'.ERecord (map (fn (c, e, t) => (explifyCon c, explifyExp e, explifyCon t)) xes), loc)
|
|
adamc@38
|
102 | L.EField (e1, c, {field, rest}) => (L'.EField (explifyExp e1, explifyCon c,
|
|
adamc@38
|
103 {field = explifyCon field, rest = explifyCon rest}), loc)
|
|
adamc@339
|
104 | L.EWith (e1, c, e2, {field, rest}) => (L'.EWith (explifyExp e1, explifyCon c, explifyExp e2,
|
|
adamc@339
|
105 {field = explifyCon field, rest = explifyCon rest}), loc)
|
|
adamc@149
|
106 | L.ECut (e1, c, {field, rest}) => (L'.ECut (explifyExp e1, explifyCon c,
|
|
adamc@149
|
107 {field = explifyCon field, rest = explifyCon rest}), loc)
|
|
adamc@72
|
108 | L.EFold k => (L'.EFold (explifyKind k), loc)
|
|
adamc@38
|
109
|
|
adamc@182
|
110 | L.ECase (e, pes, {disc, result}) =>
|
|
adamc@182
|
111 (L'.ECase (explifyExp e,
|
|
adamc@182
|
112 map (fn (p, e) => (explifyPat p, explifyExp e)) pes,
|
|
adamc@182
|
113 {disc = explifyCon disc, result = explifyCon result}), loc)
|
|
adamc@171
|
114
|
|
adamc@38
|
115 | L.EError => raise Fail ("explifyExp: EError at " ^ EM.spanToString loc)
|
|
adamc@228
|
116 | L.EUnif (ref (SOME e)) => explifyExp e
|
|
adamc@228
|
117 | L.EUnif _ => raise Fail ("explifyExp: Undetermined EUnif at " ^ EM.spanToString loc)
|
|
adamc@38
|
118
|
|
adamc@38
|
119 fun explifySgi (sgi, loc) =
|
|
adamc@38
|
120 case sgi of
|
|
adamc@88
|
121 L.SgiConAbs (x, n, k) => SOME (L'.SgiConAbs (x, n, explifyKind k), loc)
|
|
adamc@88
|
122 | L.SgiCon (x, n, k, c) => SOME (L'.SgiCon (x, n, explifyKind k, explifyCon c), loc)
|
|
adamc@191
|
123 | L.SgiDatatype (x, n, xs, xncs) => SOME (L'.SgiDatatype (x, n, xs,
|
|
adamc@191
|
124 map (fn (x, n, co) =>
|
|
adamc@191
|
125 (x, n, Option.map explifyCon co)) xncs), loc)
|
|
adamc@191
|
126 | L.SgiDatatypeImp (x, n, m1, ms, s, xs, xncs) =>
|
|
adamc@191
|
127 SOME (L'.SgiDatatypeImp (x, n, m1, ms, s, xs, map (fn (x, n, co) =>
|
|
adamc@191
|
128 (x, n, Option.map explifyCon co)) xncs), loc)
|
|
adamc@88
|
129 | L.SgiVal (x, n, c) => SOME (L'.SgiVal (x, n, explifyCon c), loc)
|
|
adamc@88
|
130 | L.SgiStr (x, n, sgn) => SOME (L'.SgiStr (x, n, explifySgn sgn), loc)
|
|
adamc@88
|
131 | L.SgiSgn (x, n, sgn) => SOME (L'.SgiSgn (x, n, explifySgn sgn), loc)
|
|
adamc@88
|
132 | L.SgiConstraint _ => NONE
|
|
adamc@246
|
133 | L.SgiTable (nt, x, n, c) => SOME (L'.SgiTable (nt, x, n, explifyCon c), loc)
|
|
adamc@338
|
134 | L.SgiSequence (nt, x, n) => SOME (L'.SgiSequence (nt, x, n), loc)
|
|
adamc@211
|
135 | L.SgiClassAbs (x, n) => SOME (L'.SgiConAbs (x, n, (L'.KArrow ((L'.KType, loc), (L'.KType, loc)), loc)), loc)
|
|
adamc@211
|
136 | L.SgiClass (x, n, c) => SOME (L'.SgiCon (x, n, (L'.KArrow ((L'.KType, loc), (L'.KType, loc)), loc),
|
|
adamc@211
|
137 explifyCon c), loc)
|
|
adamc@38
|
138
|
|
adamc@38
|
139 and explifySgn (sgn, loc) =
|
|
adamc@38
|
140 case sgn of
|
|
adamc@88
|
141 L.SgnConst sgis => (L'.SgnConst (List.mapPartial explifySgi sgis), loc)
|
|
adamc@38
|
142 | L.SgnVar n => (L'.SgnVar n, loc)
|
|
adamc@45
|
143 | L.SgnFun (m, n, dom, ran) => (L'.SgnFun (m, n, explifySgn dom, explifySgn ran), loc)
|
|
adamc@45
|
144 | L.SgnWhere (sgn, x, c) => (L'.SgnWhere (explifySgn sgn, x, explifyCon c), loc)
|
|
adamc@64
|
145 | L.SgnProj x => (L'.SgnProj x, loc)
|
|
adamc@38
|
146 | L.SgnError => raise Fail ("explifySgn: SgnError at " ^ EM.spanToString loc)
|
|
adamc@38
|
147
|
|
adamc@38
|
148 fun explifyDecl (d, loc : EM.span) =
|
|
adamc@38
|
149 case d of
|
|
adamc@88
|
150 L.DCon (x, n, k, c) => SOME (L'.DCon (x, n, explifyKind k, explifyCon c), loc)
|
|
adamc@191
|
151 | L.DDatatype (x, n, xs, xncs) => SOME (L'.DDatatype (x, n, xs,
|
|
adamc@191
|
152 map (fn (x, n, co) =>
|
|
adamc@191
|
153 (x, n, Option.map explifyCon co)) xncs), loc)
|
|
adamc@191
|
154 | L.DDatatypeImp (x, n, m1, ms, s, xs, xncs) =>
|
|
adamc@191
|
155 SOME (L'.DDatatypeImp (x, n, m1, ms, s, xs,
|
|
adamc@191
|
156 map (fn (x, n, co) =>
|
|
adamc@191
|
157 (x, n, Option.map explifyCon co)) xncs), loc)
|
|
adamc@88
|
158 | L.DVal (x, n, t, e) => SOME (L'.DVal (x, n, explifyCon t, explifyExp e), loc)
|
|
adamc@124
|
159 | L.DValRec vis => SOME (L'.DValRec (map (fn (x, n, t, e) => (x, n, explifyCon t, explifyExp e)) vis), loc)
|
|
adamc@38
|
160
|
|
adamc@88
|
161 | L.DSgn (x, n, sgn) => SOME (L'.DSgn (x, n, explifySgn sgn), loc)
|
|
adamc@88
|
162 | L.DStr (x, n, sgn, str) => SOME (L'.DStr (x, n, explifySgn sgn, explifyStr str), loc)
|
|
adamc@88
|
163 | L.DFfiStr (x, n, sgn) => SOME (L'.DFfiStr (x, n, explifySgn sgn), loc)
|
|
adamc@88
|
164 | L.DConstraint (c1, c2) => NONE
|
|
adamc@109
|
165 | L.DExport (en, sgn, str) => SOME (L'.DExport (en, explifySgn sgn, explifyStr str), loc)
|
|
adamc@246
|
166 | L.DTable (nt, x, n, c) => SOME (L'.DTable (nt, x, n, explifyCon c), loc)
|
|
adamc@338
|
167 | L.DSequence (nt, x, n) => SOME (L'.DSequence (nt, x, n), loc)
|
|
adamc@213
|
168 | L.DClass (x, n, c) => SOME (L'.DCon (x, n,
|
|
adamc@213
|
169 (L'.KArrow ((L'.KType, loc), (L'.KType, loc)), loc), explifyCon c), loc)
|
|
adamc@271
|
170 | L.DDatabase s => SOME (L'.DDatabase s, loc)
|
|
adamc@38
|
171
|
|
adamc@38
|
172 and explifyStr (str, loc) =
|
|
adamc@38
|
173 case str of
|
|
adamc@88
|
174 L.StrConst ds => (L'.StrConst (List.mapPartial explifyDecl ds), loc)
|
|
adamc@38
|
175 | L.StrVar n => (L'.StrVar n, loc)
|
|
adamc@38
|
176 | L.StrProj (str, s) => (L'.StrProj (explifyStr str, s), loc)
|
|
adamc@45
|
177 | L.StrFun (m, n, dom, ran, str) => (L'.StrFun (m, n, explifySgn dom, explifySgn ran, explifyStr str), loc)
|
|
adamc@45
|
178 | L.StrApp (str1, str2) => (L'.StrApp (explifyStr str1, explifyStr str2), loc)
|
|
adamc@38
|
179 | L.StrError => raise Fail ("explifyStr: StrError at " ^ EM.spanToString loc)
|
|
adamc@38
|
180
|
|
adamc@88
|
181 val explify = List.mapPartial explifyDecl
|
|
adamc@38
|
182
|
|
adamc@38
|
183 end
|
