mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-26 05:14:36 +03:00
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/***********************************************************************
|
|
Moses - factored phrase-based language decoder
|
|
Copyright (C) 2011 University of Edinburgh
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
***********************************************************************/
|
|
|
|
#pragma once
|
|
#ifndef moses_ChartRuleLookupManagerMemory_h
|
|
#define moses_ChartRuleLookupManagerMemory_h
|
|
|
|
#include <vector>
|
|
|
|
#ifdef USE_BOOST_POOL
|
|
#include <boost/pool/object_pool.hpp>
|
|
#endif
|
|
|
|
#include "ChartRuleLookupManagerCYKPlus.h"
|
|
#include "DotChartInMemory.h"
|
|
#include "moses/NonTerminal.h"
|
|
#include "moses/TranslationModel/PhraseDictionaryMemory.h"
|
|
#include "moses/TranslationModel/PhraseDictionaryNodeMemory.h"
|
|
#include "moses/StackVec.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
class ChartParserCallback;
|
|
class DottedRuleColl;
|
|
class WordsRange;
|
|
|
|
//! Implementation of ChartRuleLookupManager for in-memory rule tables.
|
|
class ChartRuleLookupManagerMemory : public ChartRuleLookupManagerCYKPlus
|
|
{
|
|
public:
|
|
ChartRuleLookupManagerMemory(const InputType &sentence,
|
|
const ChartCellCollectionBase &cellColl,
|
|
const PhraseDictionaryMemory &ruleTable);
|
|
|
|
~ChartRuleLookupManagerMemory();
|
|
|
|
virtual void GetChartRuleCollection(
|
|
const WordsRange &range,
|
|
ChartParserCallback &outColl);
|
|
|
|
private:
|
|
void ExtendPartialRuleApplication(
|
|
const DottedRuleInMemory &prevDottedRule,
|
|
size_t startPos,
|
|
size_t endPos,
|
|
size_t stackInd,
|
|
DottedRuleColl &dottedRuleColl);
|
|
|
|
std::vector<DottedRuleColl*> m_dottedRuleColls;
|
|
const PhraseDictionaryMemory &m_ruleTable;
|
|
#ifdef USE_BOOST_POOL
|
|
// Use an object pool to allocate the dotted rules for this sentence. We
|
|
// allocate a lot of them and this has been seen to significantly improve
|
|
// performance, especially for multithreaded decoding.
|
|
boost::object_pool<DottedRuleInMemory> m_dottedRulePool;
|
|
#endif
|
|
};
|
|
|
|
} // namespace Moses
|
|
|
|
#endif
|