lean2/src/library/blast/hypothesis.h
2015-09-25 12:45:16 -07:00

39 lines
1.1 KiB
C++

/*
Copyright (c) 2015 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#pragma once
#include "util/rc.h"
#include "util/rb_tree.h"
#include "kernel/expr.h"
namespace lean {
namespace blast {
class hypothesis;
class branch;
class state;
typedef rb_tree<unsigned, unsigned_cmp> hypothesis_set;
class hypothesis {
friend class branch;
bool m_active;
unsigned m_depth;
hypothesis_set m_backward_deps;
hypothesis_set m_forward_deps;
expr m_type;
optional<expr> m_value;
optional<expr> m_justification;
public:
hypothesis();
bool is_active() const { return m_active; }
unsigned get_depth() const { return m_depth; }
hypothesis_set const & get_backward_deps() const { return m_backward_deps; }
hypothesis_set const & get_forward_deps() const { return m_forward_deps; }
expr const & get_type() const { return m_type; }
optional<expr> const & get_value() const { return m_value; }
optional<expr> const & get_justification() const { return m_justification; }
};
}}