Theory retprefix

(*
 * Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 * Copyright (c) 2022 Apple Inc. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *)

theory retprefix
imports "AutoCorres2.CTranslation"
begin

install_C_file "retprefix.c"

context retprefix_simpl
begin

thm f_body_def
thm g_body_def
thm h_body_def
thm i_body_def
end

lemma (in h_impl) "Γ ⊢ ⦃ True ⦄ ´x :== CALL h() ⦃ ´x = 6 ⦄"
by vcg simp

lemma (in i_impl) "Γ ⊢ ⦃ True ⦄ ´ret' :== CALL i() ⦃ ´ret' = 6 ⦄"
by vcg simp


end (* theory *)