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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* The base class for everything that nees access to the environment (Env)
* instance, which gives access to global utilities available to internal code.
*/
#include "cvc5_private.h"
#ifndef CVC5__SMT__ENV_OBJ_H
#define CVC5__SMT__ENV_OBJ_H
#include <memory>
#include "expr/node.h"
namespace cvc5 {
class Env;
class LogicInfo;
class NodeManager;
class Options;
class StatisticsRegistry;
namespace context {
class Context;
class UserContext;
} // namespace context
class EnvObj
{
protected:
/** Constructor. */
EnvObj(Env& env);
EnvObj() = delete;
/** Destructor. */
virtual ~EnvObj() {}
/**
* Rewrite a node.
* This is a wrapper around theory::Rewriter::rewrite via Env.
*/
Node rewrite(TNode node) const;
/**
* Extended rewrite a node.
* This is a wrapper around theory::Rewriter::extendedRewrite via Env.
*/
Node extendedRewrite(TNode node, bool aggr = true) const;
/**
* Evaluate node n under the substitution args -> vals.
* This is a wrapper about theory::Rewriter::evaluate via Env.
*/
Node evaluate(TNode n,
const std::vector<Node>& args,
const std::vector<Node>& vals,
bool useRewriter = true) const;
/** Same as above, with a visited cache. */
Node evaluate(TNode n,
const std::vector<Node>& args,
const std::vector<Node>& vals,
const std::unordered_map<Node, Node>& visited,
bool useRewriter = true) const;
/** Get the current logic information. */
const LogicInfo& logicInfo() const;
/** Get the options object (const version only) via Env. */
const Options& options() const;
/** Get a pointer to the Context via Env. */
context::Context* context() const;
/** Get a pointer to the UserContext via Env. */
context::UserContext* userContext() const;
/** Get the statistics registry via Env. */
StatisticsRegistry& statisticsRegistry() const;
/** The associated environment. */
Env& d_env;
};
} // namespace cvc5
#endif
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