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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_DEX_PASS_DRIVER_H_
#define ART_COMPILER_DEX_PASS_DRIVER_H_
#include <vector>
#include "pass.h"
#include "safe_map.h"
// Forward Declarations.
class CompilationUnit;
class Pass;
namespace art {
/**
* @class PassDriver
* @brief PassDriver is the wrapper around all Pass instances in order to execute them from the Middle-End
*/
class PassDriver {
public:
explicit PassDriver(CompilationUnit* cu, bool create_default_passes = true);
~PassDriver();
/**
* @brief Insert a Pass: can warn if multiple passes have the same name.
* @param new_pass the new Pass to insert in the map and list.
* @param warn_override warn if the name of the Pass is already used.
*/
void InsertPass(const Pass* new_pass);
/**
* @brief Run a pass using the name as key.
* @param c_unit the considered CompilationUnit.
* @param pass_name the Pass name.
* @return whether the pass was applied.
*/
bool RunPass(CompilationUnit* c_unit, const char* pass_name);
/**
* @brief Run a pass using the Pass itself.
* @param time_split do we want a time split request(default: false)?
* @return whether the pass was applied.
*/
bool RunPass(CompilationUnit* c_unit, const Pass* pass, bool time_split = false);
void Launch();
void HandlePassFlag(CompilationUnit* c_unit, const Pass* pass);
/**
* @brief Apply a patch: perform start/work/end functions.
*/
void ApplyPass(CompilationUnit* c_unit, const Pass* pass);
/**
* @brief Dispatch a patch: walk the BasicBlocks depending on the traversal mode
*/
void DispatchPass(CompilationUnit* c_unit, const Pass* pass);
void PrintPassNames() const;
const Pass* GetPass(const char* name) const;
const char* GetDumpCFGFolder() const {
return dump_cfg_folder_;
}
protected:
void CreatePasses();
/** @brief List of passes: provides the order to execute the passes. */
std::vector<const Pass*> pass_list_;
/** @brief The CompilationUnit on which to execute the passes on. */
CompilationUnit* const cu_;
/** @brief Dump CFG base folder: where is the base folder for dumping CFGs. */
const char* dump_cfg_folder_;
};
} // namespace art
#endif // ART_COMPILER_DEX_PASS_DRIVER_H_