Mercurial > urweb
comparison src/elab_env.sig @ 2:64f09f7822c3
Start of elaboration
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sat, 26 Jan 2008 14:27:33 -0500 |
| parents | |
| children | 258261a53842 |
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| 1:4202f6eda946 | 2:64f09f7822c3 |
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| 1 (* Copyright (c) 2008, Adam Chlipala | |
| 2 * All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are met: | |
| 6 * | |
| 7 * - Redistributions of source code must retain the above copyright notice, | |
| 8 * this list of conditions and the following disclaimer. | |
| 9 * - Redistributions in binary form must reproduce the above copyright notice, | |
| 10 * this list of conditions and the following disclaimer in the documentation | |
| 11 * and/or other materials provided with the distribution. | |
| 12 * - The names of contributors may not be used to endorse or promote products | |
| 13 * derived from this software without specific prior written permission. | |
| 14 * | |
| 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 25 * POSSIBILITY OF SUCH DAMAGE. | |
| 26 *) | |
| 27 | |
| 28 signature ELAB_ENV = sig | |
| 29 | |
| 30 type env | |
| 31 | |
| 32 val empty : env | |
| 33 | |
| 34 exception UnboundRel of int | |
| 35 exception UnboundNamed of int | |
| 36 | |
| 37 val pushCRel : env -> string -> Elab.kind -> env | |
| 38 val lookupCRel : env -> int -> string * Elab.kind | |
| 39 | |
| 40 val pushCNamed : env -> string -> Elab.kind -> env * int | |
| 41 val lookupCNamed : env -> int -> string * Elab.kind | |
| 42 | |
| 43 datatype var = | |
| 44 CNotBound | |
| 45 | CRel of int * Elab.kind | |
| 46 | CNamed of int * Elab.kind | |
| 47 val lookupC : env -> string -> var | |
| 48 | |
| 49 end |