77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* Scyther : An automatic verifier for security protocols.
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* Copyright (C) 2007-2013 Cas Cremers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef BINDINGS
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#define BINDINGS
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#include "term.h"
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#include "termmap.h"
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#include "system.h"
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//! Binding structure
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/*
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* Idea is the ev_from *has to* precede the ev_to
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*
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* @TODO: blocked is no longer used. For evaluations, it may be considered
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* false (no binding is ever blocked).
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*/
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struct binding
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{
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int done; //!< Iff true, it is bound
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int blocked; //!< Iff true, ignore it
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int run_from; //!< origination run
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int ev_from; //!< step in origination run
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int run_to; //!< destination run
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int ev_to; //!< step in destination run
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Term term; //!< Binding term
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int level; //!< ???
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};
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typedef struct binding *Binding; //!< pointer to binding structure
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void bindingInit (const System mysys);
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void bindingDone ();
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int binding_print (Binding b);
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int valid_binding (Binding b);
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int same_binding (const Binding b1, const Binding b2);
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int goal_add (Term term, const int run, const int ev, const int level);
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int goal_add_fixed (Term term, const int run, const int ev, const int fromrun,
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const int fromev);
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void goal_remove_last (int n);
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int goal_bind (const Binding b, const int run, const int ev);
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void goal_unbind (const Binding b);
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int binding_block (Binding b);
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int binding_unblock (Binding b);
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int labels_ordered (Termmap runs, Termlist labels);
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int iterate_bindings (int (*func) (Binding b));
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int iterate_preceding_bindings (const int run, const int ev,
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int (*func) (Binding b));
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int non_redundant ();
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int countBindingsDone ();
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#endif
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