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Diffstat (limited to 'src/export.sml')
-rw-r--r-- | src/export.sml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/export.sml b/src/export.sml new file mode 100644 index 0000000..a99d0b7 --- /dev/null +++ b/src/export.sml @@ -0,0 +1,57 @@ +(* Copyright (c) 2009, Adam Chlipala + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - The names of contributors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + *) + +structure Export :> EXPORT = struct + +open Print.PD +open Print + +datatype effect = + ReadOnly + | ReadCookieWrite + | ReadWrite + +datatype export_kind = + Link of effect + | Action of effect + | Rpc of effect + | Extern of effect + +fun p_effect ef = + case ef of + ReadOnly => string "r" + | ReadCookieWrite => string "rcw" + | ReadWrite => string "rw" + +fun p_export_kind ck = + case ck of + Link ef => box [string "link(", p_effect ef, string ")"] + | Action ef => box [string "action(", p_effect ef, string ")"] + | Rpc ef => box [string "rpc(", p_effect ef, string ")"] + | Extern ef => box [string "extern(", p_effect ef, string ")"] + +end |