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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <vector>
#include <memory>
#include "types.hxx"
namespace formula
{
class FormulaToken;
}
#define TOKEN_CACHE_SIZE 8
class ScDocument;
class SvNumberFormatter;
struct ScLookupCacheMap;
class ScInterpreter;
enum class SvNumFormatType : sal_Int16;
// SetNumberFormat() is not thread-safe, so calls to it need to be delayed to the main thread.
struct DelayedSetNumberFormat
{
SCCOL mCol;
SCROW mRow;
sal_uInt32 mnNumberFormat;
};
struct NFIndexAndFmtType
{
sal_uInt32 nIndex;
SvNumFormatType eType : 16;
bool bIsValid : 1;
NFIndexAndFmtType()
: nIndex(0)
, eType(static_cast<SvNumFormatType>(0))
, bIsValid(false)
{
}
};
class ScInterpreterContextPool;
struct ScInterpreterContext
{
const ScDocument* mpDoc;
size_t mnTokenCachePos;
std::vector<formula::FormulaToken*> maTokens;
std::vector<DelayedSetNumberFormat> maDelayedSetNumberFormat;
std::unique_ptr<ScLookupCacheMap> mxScLookupCache; // cache for lookups like VLOOKUP and MATCH
// Allocation cache for "aConditions" array in ScInterpreter::IterateParameterIfs()
// This is populated/used only when formula-group threading is enabled.
std::vector<sal_uInt8> maConditions;
ScInterpreter* pInterpreter;
ScInterpreterContext(const ScDocument& rDoc, SvNumberFormatter* pFormatter);
ScInterpreterContext() = delete;
~ScInterpreterContext();
SvNumberFormatter* GetFormatTable() const
{
if (mpFormatter == nullptr)
const_cast<ScInterpreterContext*>(this)->initFormatTable();
return mpFormatter;
}
SvNumFormatType GetNumberFormatType(sal_uInt32 nFIndex) const;
private:
friend class ScInterpreterContextPool;
void ResetTokens();
void SetDocAndFormatter(const ScDocument& rDoc, SvNumberFormatter* pFormatter);
void Cleanup();
void ClearLookupCache(const ScDocument* pDoc);
void initFormatTable();
SvNumberFormatter* mpFormatter;
mutable NFIndexAndFmtType maNFTypeCache;
};
class ScThreadedInterpreterContextGetterGuard;
class ScInterpreterContextGetterGuard;
class ScInterpreterContextPool
{
friend class ScThreadedInterpreterContextGetterGuard;
friend class ScInterpreterContextGetterGuard;
std::vector<std::unique_ptr<ScInterpreterContext>> maPool;
size_t mnNextFree;
bool mbThreaded;
ScInterpreterContextPool(bool bThreaded)
: mnNextFree(0)
, mbThreaded(bThreaded)
{
}
~ScInterpreterContextPool() {}
static ScInterpreterContextPool aThreadedInterpreterPool;
static ScInterpreterContextPool aNonThreadedInterpreterPool;
// API for threaded case
// Ensures nNumThreads elements in pool.
void Init(size_t nNumThreads, const ScDocument& rDoc, SvNumberFormatter* pFormatter);
// Returns ScInterpreterContext* for thread index nThreadIdx
ScInterpreterContext* GetInterpreterContextForThreadIdx(size_t nThreadIdx) const;
// API for non-threaded
// Ensures there is one unused element in the pool.
void Init(const ScDocument& rDoc, SvNumberFormatter* pFormatter);
// Returns ScInterpreterContext* for non-threaded use.
ScInterpreterContext* GetInterpreterContext() const;
// Common API for threaded/non-threaded
// Cleans up the contexts prepared by call to immediately previous Init() and
// marks them all as unused.
void ReturnToPool();
public:
// Only to be used to clear lookup cache in all pool elements
static void ClearLookupCaches(const ScDocument* pDoc);
};
class ScThreadedInterpreterContextGetterGuard
{
ScInterpreterContextPool& rPool;
public:
ScThreadedInterpreterContextGetterGuard(size_t nNumThreads, const ScDocument& rDoc,
SvNumberFormatter* pFormatter);
~ScThreadedInterpreterContextGetterGuard();
// Returns ScInterpreterContext* for thread index nThreadIdx
ScInterpreterContext* GetInterpreterContextForThreadIdx(size_t nThreadIdx) const;
};
class ScInterpreterContextGetterGuard
{
ScInterpreterContextPool& rPool;
#if !defined NDEBUG
size_t nContextIdx;
#endif
public:
ScInterpreterContextGetterGuard(const ScDocument& rDoc, SvNumberFormatter* pFormatter);
~ScInterpreterContextGetterGuard();
// Returns ScInterpreterContext* for non-threaded use.
ScInterpreterContext* GetInterpreterContext() const;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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