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/********************* */
/*! \file options_manager.h
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds, Tim King, Gereon Kremer
** This file is part of the CVC4 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.\endverbatim
**
** \brief Module for managing options of an SmtEngine.
**/
#ifndef CVC4__SMT__OPTIONS_MANAGER_H
#define CVC4__SMT__OPTIONS_MANAGER_H
#include "options/options_listener.h"
#include "smt/managed_ostreams.h"
namespace cvc5 {
class LogicInfo;
class Options;
class ResourceManager;
class SmtEngine;
namespace smt {
/**
* This class is intended to be used by SmtEngine, and is responsible for:
* (1) Implementing core options including timeouts and output preferences,
* (2) Setting default values for options based on a logic.
*
* Notice that the constructor of this class retroactively sets all
* necessary options that have already been set in the options object it is
* given. This is to ensure that the command line arguments, which modified
* on an options object in the driver, immediately take effect upon creation of
* this class.
*/
class OptionsManager : public OptionsListener
{
public:
OptionsManager(Options* opts, ResourceManager* rm = nullptr);
~OptionsManager();
/**
* Called when a set option call is made on the options object associated
* with this class. This handles all options that should be taken into account
* immediately instead of e.g. at SmtEngine::finishInit time. This primarily
* includes options related to parsing and output.
*
* This function call is made after the option has been updated. This means
* that the value of the option can be queried in the options object that
* this class is listening to.
*/
void notifySetOption(const std::string& key) override;
/**
* Finish init, which is called at the beginning of SmtEngine::finishInit,
* just before solving begins. This initializes the options pertaining to
* time limits, and sets the default options.
*/
void finishInit(LogicInfo& logic, bool isInternalSubsolver);
private:
/** Reference to the options object */
Options* d_options;
/** Pointer to the resource manager */
ResourceManager* d_resourceManager;
/** Manager for the memory of regular-output-channel. */
ManagedRegularOutputChannel d_managedRegularChannel;
/** Manager for the memory of diagnostic-output-channel. */
ManagedDiagnosticOutputChannel d_managedDiagnosticChannel;
/** Manager for the memory of --dump-to. */
ManagedDumpOStream d_managedDumpChannel;
};
} // namespace smt
} // namespace cvc5
#endif /* CVC4__SMT__OPTIONS_MANAGER_H */
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