annotate src/export.sml @ 735:5ccb67665d05

Only use cookie signatures when cookies might be read
author Adam Chlipala <adamc@hcoop.net>
date Thu, 23 Apr 2009 14:10:10 -0400
parents 5819fb63c93a
children b106ca8200b1
rev   line source
adamc@731 1 (* Copyright (c) 2009, Adam Chlipala
adamc@731 2 * All rights reserved.
adamc@731 3 *
adamc@731 4 * Redistribution and use in source and binary forms, with or without
adamc@731 5 * modification, are permitted provided that the following conditions are met:
adamc@731 6 *
adamc@731 7 * - Redistributions of source code must retain the above copyright notice,
adamc@731 8 * this list of conditions and the following disclaimer.
adamc@731 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@731 10 * this list of conditions and the following disclaimer in the documentation
adamc@731 11 * and/or other materials provided with the distribution.
adamc@731 12 * - The names of contributors may not be used to endorse or promote products
adamc@731 13 * derived from this software without specific prior written permission.
adamc@731 14 *
adamc@731 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@731 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@731 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@731 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@731 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@731 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@731 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@731 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@731 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@731 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@731 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@731 26 *)
adamc@731 27
adamc@735 28 structure Export :> EXPORT = struct
adamc@731 29
adamc@732 30 open Print.PD
adamc@732 31 open Print
adamc@732 32
adamc@731 33 datatype effect =
adamc@731 34 ReadOnly
adamc@735 35 | ReadCookieWrite
adamc@731 36 | ReadWrite
adamc@731 37
adamc@731 38 datatype export_kind =
adamc@731 39 Link
adamc@731 40 | Action of effect
adamc@731 41 | Rpc of effect
adamc@731 42
adamc@732 43 fun p_effect ef =
adamc@732 44 case ef of
adamc@732 45 ReadOnly => string "r"
adamc@735 46 | ReadCookieWrite => string "rcw"
adamc@732 47 | ReadWrite => string "rw"
adamc@732 48
adamc@732 49 fun p_export_kind ck =
adamc@732 50 case ck of
adamc@732 51 Link => string "link"
adamc@732 52 | Action ef => box [string "action(", p_effect ef, string ")"]
adamc@732 53 | Rpc ef => box [string "rpc(", p_effect ef, string ")"]
adamc@732 54
adamc@731 55 end