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adamc@731
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1 (* Copyright (c) 2009, 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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adamc@731
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8 * this list of conditions and the following disclaimer.
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adamc@731
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9 * - Redistributions in binary form must reproduce the above copyright notice,
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adamc@731
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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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adamc@735
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28 structure Export :> EXPORT = struct
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29
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adamc@732
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30 open Print.PD
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31 open Print
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32
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33 datatype effect =
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34 ReadOnly
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35 | ReadCookieWrite
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36 | ReadWrite
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37
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38 datatype export_kind =
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39 Link
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40 | Action of effect
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41 | Rpc of effect
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42
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adamc@732
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43 fun p_effect ef =
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44 case ef of
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45 ReadOnly => string "r"
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46 | ReadCookieWrite => string "rcw"
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47 | ReadWrite => string "rw"
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48
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49 fun p_export_kind ck =
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50 case ck of
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51 Link => string "link"
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52 | Action ef => box [string "action(", p_effect ef, string ")"]
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53 | Rpc ef => box [string "rpc(", p_effect ef, string ")"]
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54
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55 end
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