lh-l4v/tools/c-parser/Simpl/StateSpace.thy

47 lines
1.5 KiB
Plaintext

(*
Author: Norbert Schirmer
Maintainer: Norbert Schirmer, norbert.schirmer at web de
License: LGPL
*)
(* Title: StateSpace.thy
Author: Norbert Schirmer, TU Muenchen
Copyright (C) 2004-2008 Norbert Schirmer
Some rights reserved, TU Muenchen
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
*)
section \<open>State Space Template\<close>
theory StateSpace imports Hoare
begin
record 'g state = "globals"::'g
definition
upd_globals:: "('g \<Rightarrow> 'g) \<Rightarrow> ('g,'z) state_scheme \<Rightarrow> ('g,'z) state_scheme"
where
"upd_globals upd s = s\<lparr>globals := upd (globals s)\<rparr>"
record ('g, 'n, 'val) stateSP = "'g state" +
locals :: "'n \<Rightarrow> 'val"
lemma upd_globals_conv: "upd_globals f = (\<lambda>s. s\<lparr>globals := f (globals s)\<rparr>)"
by (rule ext) (simp add: upd_globals_def)
end