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/********************* */
/*! \file preprocessing_pass_registry.h
** \verbatim
** Top contributors (to current version):
** Andres Noetzli, Justin Xu, Yoni Zohar
** This file is part of the CVC4 project.
** Copyright (c) 2009-2019 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 The preprocessing pass registry
**
** This file defines the classes PreprocessingPassRegistry, which keeps track
** of the available preprocessing passes.
**/
#include "cvc4_private.h"
#ifndef CVC4__PREPROCESSING__PREPROCESSING_PASS_REGISTRY_H
#define CVC4__PREPROCESSING__PREPROCESSING_PASS_REGISTRY_H
#include <memory>
#include <string>
#include <unordered_map>
#include "preprocessing/preprocessing_pass.h"
namespace CVC4 {
namespace preprocessing {
class PreprocessingPassContext;
/**
* The PreprocessingPassRegistry keeps track of the available preprocessing
* passes and how to create instances of those passes. This class is intended
* to be used as a singleton and can be shared between threads (assuming that
* the memory allocator is thread-safe) as well as different solver instances.
*/
class PreprocessingPassRegistry {
public:
/**
* Gets the single instance of this class.
*/
static PreprocessingPassRegistry& getInstance();
/**
* Registers a pass. Do not call this directly, use the `RegisterPass` class
* instead.
*
* @param name The name of the preprocessing pass to register
* @param ctor A function that creates an instance of the pass given a
* preprocessing pass context
*/
void registerPassInfo(
const std::string& name,
std::function<PreprocessingPass*(PreprocessingPassContext*)> ctor);
/**
* Creates an instance of a pass.
*
* @param ppCtx The preprocessing pass context to pass to the preprocessing
* pass constructor
* @param name The name of the pass to create an instance of
*/
PreprocessingPass* createPass(PreprocessingPassContext* ppCtx,
const std::string& name);
/**
* Returns a sorted list of available preprocessing passes.
*/
std::vector<std::string> getAvailablePasses();
/**
* Checks whether a pass with a given name is available.
*
* @param name The name of the pass to check for
*/
bool hasPass(const std::string& name);
private:
/**
* Private constructor for the preprocessing pass registry. The
* registry is a singleton and no other instance should be created.
*/
PreprocessingPassRegistry();
/**
* Map of available preprocessing passes, mapping from preprocessing pass
* name to a function that constructs a corresponding instance.
*/
std::unordered_map<
std::string,
std::function<PreprocessingPass*(PreprocessingPassContext*)> >
d_ppInfo;
}; // class PreprocessingPassRegistry
} // namespace preprocessing
} // namespace CVC4
#endif /* CVC4__PREPROCESSING__PREPROCESSING_PASS_REGISTRY_H */
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