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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 CJR_ENV = sig
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29
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30 type env
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31
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32 val empty : env
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33
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34 exception UnboundRel of int
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35 exception UnboundNamed of int
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36 exception UnboundF of int
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37 exception UnboundStruct of int
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38
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39 val pushTNamed : env -> string -> int -> Cjr.typ option -> env
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40 val lookupTNamed : env -> int -> string * Cjr.typ option
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41
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42 val pushERel : env -> string -> Cjr.typ -> env
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43 val lookupERel : env -> int -> string * Cjr.typ
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44 val listERels : env -> (string * Cjr.typ) list
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45 val countERels : env -> int
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46
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47 val pushENamed : env -> string -> int -> Cjr.typ -> env
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48 val lookupENamed : env -> int -> string * Cjr.typ
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49
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50 val pushStruct : env -> int -> (string * Cjr.typ) list -> env
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51 val lookupStruct : env -> int -> (string * Cjr.typ) list
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52
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53 val declBinds : env -> Cjr.decl -> env
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54
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55 end
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