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adamc@38
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1 (* Copyright (c) 2008, Adam Chlipala
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2 * All rights reserved.
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3 *
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4 * Redistribution and use in source and binary forms, with or without
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5 * modification, are permitted provided that the following conditions are met:
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6 *
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7 * - Redistributions of source code must retain the above copyright notice,
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8 * this list of conditions and the following disclaimer.
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9 * - Redistributions in binary form must reproduce the above copyright notice,
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10 * this list of conditions and the following disclaimer in the documentation
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11 * and/or other materials provided with the distribution.
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12 * - The names of contributors may not be used to endorse or promote products
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13 * derived from this software without specific prior written permission.
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14 *
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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25 * POSSIBILITY OF SUCH DAMAGE.
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26 *)
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27
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28 signature EXPL_ENV = sig
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29
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30 exception SynUnif
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31 val liftConInCon : int -> Expl.con -> Expl.con
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32
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33 type env
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34
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35 val empty : env
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36
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37 exception UnboundRel of int
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38 exception UnboundNamed of int
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39
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40 datatype 'a var =
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41 NotBound
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42 | Rel of int * 'a
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43 | Named of int * 'a
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44
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45 val pushKRel : env -> string -> env
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46 val lookupKRel : env -> int -> string
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47
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48 val pushCRel : env -> string -> Expl.kind -> env
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49 val lookupCRel : env -> int -> string * Expl.kind
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50
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51 val pushCNamed : env -> string -> int -> Expl.kind -> Expl.con option -> env
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52 val lookupCNamed : env -> int -> string * Expl.kind * Expl.con option
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53
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54 val pushERel : env -> string -> Expl.con -> env
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55 val lookupERel : env -> int -> string * Expl.con
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56
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57 val pushENamed : env -> string -> int -> Expl.con -> env
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58 val lookupENamed : env -> int -> string * Expl.con
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59
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60 val pushSgnNamed : env -> string -> int -> Expl.sgn -> env
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61 val lookupSgnNamed : env -> int -> string * Expl.sgn
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62
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63 val pushStrNamed : env -> string -> int -> Expl.sgn -> env
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64 val lookupStrNamed : env -> int -> string * Expl.sgn
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65
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66 val declBinds : env -> Expl.decl -> env
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67 val sgiBinds : env -> Expl.sgn_item -> env
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68
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69 end
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