annotate src/export.sml @ 2297:6d56080f495c

Fix a read-after-free bug using a timestamp check
author Adam Chlipala <adam@chlipala.net>
date Thu, 19 Nov 2015 13:18:58 -0500
parents 6745eafff617
children
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,
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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"
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adamc@731 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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adamc@731 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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 =
adam@1936 39 Link of effect
adamc@731 40 | Action of effect
adamc@731 41 | Rpc of effect
adam@1347 42 | Extern of effect
adamc@731 43
adamc@732 44 fun p_effect ef =
adamc@732 45 case ef of
adamc@732 46 ReadOnly => string "r"
adamc@735 47 | ReadCookieWrite => string "rcw"
adamc@732 48 | ReadWrite => string "rw"
adamc@732 49
adamc@732 50 fun p_export_kind ck =
adamc@732 51 case ck of
adam@1936 52 Link ef => box [string "link(", p_effect ef, string ")"]
adamc@732 53 | Action ef => box [string "action(", p_effect ef, string ")"]
adamc@732 54 | Rpc ef => box [string "rpc(", p_effect ef, string ")"]
adam@1347 55 | Extern ef => box [string "extern(", p_effect ef, string ")"]
adamc@732 56
adamc@731 57 end