adamc@731: (* Copyright (c) 2009, Adam Chlipala
adamc@731:  * All rights reserved.
adamc@731:  *
adamc@731:  * Redistribution and use in source and binary forms, with or without
adamc@731:  * modification, are permitted provided that the following conditions are met:
adamc@731:  *
adamc@731:  * - Redistributions of source code must retain the above copyright notice,
adamc@731:  *   this list of conditions and the following disclaimer.
adamc@731:  * - Redistributions in binary form must reproduce the above copyright notice,
adamc@731:  *   this list of conditions and the following disclaimer in the documentation
adamc@731:  *   and/or other materials provided with the distribution.
adamc@731:  * - The names of contributors may not be used to endorse or promote products
adamc@731:  *   derived from this software without specific prior written permission.
adamc@731:  *
adamc@731:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@731:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@731:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@731:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@731:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adamc@731:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@731:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@731:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@731:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@731:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@731:  * POSSIBILITY OF SUCH DAMAGE.
adamc@731:  *)
adamc@731: 
adamc@735: structure Export :> EXPORT = struct
adamc@731: 
adamc@732: open Print.PD
adamc@732: open Print
adamc@732: 
adamc@731: datatype effect =
adamc@731:          ReadOnly
adamc@735:        | ReadCookieWrite
adamc@731:        | ReadWrite
adamc@731: 
adamc@731: datatype export_kind =
adam@1936:          Link of effect
adamc@731:        | Action of effect
adamc@731:        | Rpc of effect
adam@1347:        | Extern of effect
adamc@731: 
adamc@732: fun p_effect ef =
adamc@732:     case ef of
adamc@732:         ReadOnly => string "r"
adamc@735:       | ReadCookieWrite => string "rcw"
adamc@732:       | ReadWrite => string "rw"
adamc@732: 
adamc@732: fun p_export_kind ck =
adamc@732:     case ck of
adam@1936:         Link ef => box [string "link(", p_effect ef, string ")"]
adamc@732:       | Action ef => box [string "action(", p_effect ef, string ")"]
adamc@732:       | Rpc ef => box [string "rpc(", p_effect ef, string ")"]
adam@1347:       | Extern ef => box [string "extern(", p_effect ef, string ")"]
adamc@732: 
adamc@731: end