annotate src/errormsg.sig @ 1228:7dfa67560916

Using multiple policies to check a written value
author Adam Chlipala <adamc@hcoop.net>
date Sun, 11 Apr 2010 16:46:38 -0400
parents daa4f1d7a663
children
rev   line source
adamc@0 1 (* Copyright (c) 2008, Adam Chlipala
adamc@0 2 * All rights reserved.
adamc@0 3 *
adamc@0 4 * Redistribution and use in source and binary forms, with or without
adamc@0 5 * modification, are permitted provided that the following conditions are met:
adamc@0 6 *
adamc@0 7 * - Redistributions of source code must retain the above copyright notice,
adamc@0 8 * this list of conditions and the following disclaimer.
adamc@0 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@0 10 * this list of conditions and the following disclaimer in the documentation
adamc@0 11 * and/or other materials provided with the distribution.
adamc@0 12 * - The names of contributors may not be used to endorse or promote products
adamc@0 13 * derived from this software without specific prior written permission.
adamc@0 14 *
adamc@0 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@0 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@0 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@0 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@0 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@0 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@0 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@0 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@0 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@0 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@0 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@0 26 *)
adamc@0 27
adamc@0 28 signature ERROR_MSG = sig
adamc@0 29
adamc@0 30 type pos = {line : int,
adamc@0 31 char : int}
adamc@0 32
adamc@0 33 type span = {file : string,
adamc@0 34 first : pos,
adamc@0 35 last : pos}
adamc@0 36
adamc@0 37 type 'a located = 'a * span
adamc@0 38
adamc@1 39 val posToString : pos -> string
adamc@1 40 val spanToString : span -> string
adamc@1 41
adamc@3 42 val dummyPos : pos
adamc@3 43 val dummySpan : span
adamc@3 44
adamc@1 45 val resetPositioning : string -> unit
adamc@1 46 val newline : int -> unit
adamc@1 47 val lastLineStart : unit -> int
adamc@1 48 val posOf : int -> pos
adamc@1 49 val spanOf : int * int -> span
adamc@1 50
adamc@1 51 val resetErrors : unit -> unit
adamc@1 52 val anyErrors : unit -> bool
adamc@1 53 val error : string -> unit
adamc@1 54 val errorAt : span -> string -> unit
adamc@1 55 val errorAt' : int * int -> string -> unit
adamc@0 56 end