From 05b7d79819dd5f006527bef7679b06868b3e0da7 Mon Sep 17 00:00:00 2001 From: Adam Chlipala Date: Sun, 29 Apr 2012 13:17:31 -0400 Subject: Initial support for reusing elaboration results --- src/mod_db.sig | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/mod_db.sig (limited to 'src/mod_db.sig') diff --git a/src/mod_db.sig b/src/mod_db.sig new file mode 100644 index 00000000..2b98ae6f --- /dev/null +++ b/src/mod_db.sig @@ -0,0 +1,38 @@ +(* Copyright (c) 2012, 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. + *) + +(* Cache of module code, with dependency information *) + +signature MOD_DB = sig + val reset : unit -> unit + + val insert : Elab.decl * Time.time -> unit + (* Here's a declaration, including the modification timestamp of the file it came from. + * We might invalidate other declarations that depend on this one, if the timestamp has changed. *) + + val lookup : Source.decl -> Elab.decl option +end -- cgit v1.2.3