adam@1595: (* Copyright (c) 2011, Adam Chlipala
adam@1595:  * All rights reserved.
adam@1595:  *
adam@1595:  * Redistribution and use in source and binary forms, with or without
adam@1595:  * modification, are permitted provided that the following conditions are met:
adam@1595:  *
adam@1595:  * - Redistributions of source code must retain the above copyright notice,
adam@1595:  *   this list of conditions and the following disclaimer.
adam@1595:  * - Redistributions in binary form must reproduce the above copyright notice,
adam@1595:  *   this list of conditions and the following disclaimer in the documentation
adam@1595:  *   and/or other materials provided with the distribution.
adam@1595:  * - The names of contributors may not be used to endorse or promote products
adam@1595:  *   derived from this software without specific prior written permission.
adam@1595:  *
adam@1595:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adam@1595:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adam@1595:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adam@1595:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adam@1595:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adam@1595:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adam@1595:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adam@1595:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adam@1595:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adam@1595:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adam@1595:  * POSSIBILITY OF SUCH DAMAGE.
adam@1595:  *)
adam@1595: 
adam@1595: signature SIDE_CHECK = sig
adam@1595: 
adam@1595:     val check : Mono.file -> Mono.file
adam@1595: 
adam@2116:     (* While we're checking, we'll do some other signature-related work, recording
adam@2116:      * which environment variables are read.  This function conveys the list,
adam@2116:      * coming from the most recent call to [check]. *)
adam@2116:     val readEnvVars : unit -> string list
adam@2116: 
adam@1595: end