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office-gobmx/sc/inc/compiler.hxx
Noel 4a22047371 loplugin:unusedmethods 
Change-Id: Ia6c0361cd793bb62905b0690f7e2ca554019e935
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105388
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2020-11-06 09:57:43 +01:00

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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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 .
*/
#ifndef INCLUDED_SC_INC_COMPILER_HXX
#define INCLUDED_SC_INC_COMPILER_HXX
#include <string.h>
#include "scdllapi.h"
#include "global.hxx"
#include "refdata.hxx"
#include "token.hxx"
#include <formula/token.hxx>
#include <formula/grammar.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/sheet/ExternalLinkInfo.hpp>
#include <com/sun/star/i18n/ParseResult.hpp>
#include <queue>
#include <vector>
#include <memory>
#include <set>
#include <com/sun/star/uno/Sequence.hxx>
#include <o3tl/typed_flags_set.hxx>
#include <formula/FormulaCompiler.hxx>
struct ScSheetLimits;
// constants and data types also for external modules (ScInterpreter et al)
#define MAXSTRLEN 1024 /* maximum length of input string of one symbol */
// flag values of CharTable
enum class ScCharFlags : sal_uInt32 {
NONE = 0x00000000,
Illegal = 0x00000000,
Char = 0x00000001,
CharBool = 0x00000002,
CharWord = 0x00000004,
CharValue = 0x00000008,
CharString = 0x00000010,
CharDontCare = 0x00000020,
Bool = 0x00000040,
Word = 0x00000080,
WordSep = 0x00000100,
Value = 0x00000200,
ValueSep = 0x00000400,
ValueExp = 0x00000800,
ValueSign = 0x00001000,
ValueValue = 0x00002000,
StringSep = 0x00004000,
NameSep = 0x00008000, // there can be only one! '\''
CharIdent = 0x00010000, // identifier (built-in function) or reference start
Ident = 0x00020000, // identifier or reference continuation
OdfLBracket = 0x00040000, // ODF '[' reference bracket
OdfRBracket = 0x00080000, // ODF ']' reference bracket
OdfLabelOp = 0x00100000, // ODF '!!' automatic intersection of labels
OdfNameMarker = 0x00200000, // ODF '$$' marker that starts a defined (range) name
CharName = 0x00400000, // start character of a defined name
Name = 0x00800000, // continuation character of a defined name
CharErrConst = 0x01000000, // start character of an error constant ('#')
};
namespace o3tl {
template<> struct typed_flags<ScCharFlags> : is_typed_flags<ScCharFlags, 0x01ffffff> {};
}
#define SC_COMPILER_FILE_TAB_SEP '#' // 'Doc'#Tab
class ScDocument;
class ScMatrix;
class ScRangeData;
class ScTokenArray;
struct ScInterpreterContext;
class CharClass;
namespace sc {
class CompileFormulaContext;
}
// constants and data types internal to compiler
struct ScRawToken final
{
friend class ScCompiler;
// Friends that use a temporary ScRawToken on the stack (and therefore need
// the private dtor) and know what they're doing...
friend class ScTokenArray;
OpCode eOp;
formula::StackVar eType; // type of data; this determines how the unions are used
public:
union {
double nValue;
struct {
sal_uInt8 cByte;
formula::ParamClass eInForceArray;
} sbyte;
ScComplexRefData aRef;
struct {
sal_uInt16 nFileId;
ScComplexRefData aRef;
} extref;
struct {
sal_uInt16 nFileId;
} extname;
struct {
sal_Int16 nSheet;
sal_uInt16 nIndex;
} name;
struct {
sal_uInt16 nIndex;
ScTableRefToken::Item eItem;
} table;
struct {
rtl_uString* mpData;
rtl_uString* mpDataIgnoreCase;
} sharedstring;
ScMatrix* pMat;
FormulaError nError;
short nJump[ FORMULA_MAXJUMPCOUNT + 1 ]; // If/Chose token
};
OUString maExternalName; // depending on the opcode, this is either the external, or the external name, or the external table name
// coverity[uninit_member] - members deliberately not initialized
ScRawToken() {}
private:
~ScRawToken() {} //! only delete via Delete()
public:
formula::StackVar GetType() const { return eType; }
OpCode GetOpCode() const { return eOp; }
void NewOpCode( OpCode e ) { eOp = e; }
// Use these methods only on tokens that are not part of a token array,
// since the reference count is cleared!
void SetOpCode( OpCode eCode );
void SetString( rtl_uString* pData, rtl_uString* pDataIgoreCase );
void SetSingleReference( const ScSingleRefData& rRef );
void SetDoubleReference( const ScComplexRefData& rRef );
void SetDouble( double fVal );
void SetErrorConstant( FormulaError nErr );
// These methods are ok to use, reference count not cleared.
void SetName(sal_Int16 nSheet, sal_uInt16 nIndex);
void SetExternalSingleRef( sal_uInt16 nFileId, const OUString& rTabName, const ScSingleRefData& rRef );
void SetExternalDoubleRef( sal_uInt16 nFileId, const OUString& rTabName, const ScComplexRefData& rRef );
void SetExternalName( sal_uInt16 nFileId, const OUString& rName );
void SetExternal(const OUString& rStr);
/** If the token is a non-external reference, determine if the reference is
valid. If the token is an external reference, return true. Else return
false. Used only in ScCompiler::NextNewToken() to preserve non-existing
sheet names in otherwise valid references.
*/
bool IsValidReference(const ScDocument& rDoc) const;
formula::FormulaToken* CreateToken(ScSheetLimits& rLimits) const; // create typified token
};
class SC_DLLPUBLIC ScCompiler : public formula::FormulaCompiler
{
public:
enum ExtendedErrorDetection
{
EXTENDED_ERROR_DETECTION_NONE = 0, // no error on unknown symbols, default (interpreter handles it)
EXTENDED_ERROR_DETECTION_NAME_BREAK, // name error on unknown symbols and break, pCode incomplete
EXTENDED_ERROR_DETECTION_NAME_NO_BREAK // name error on unknown symbols, don't break, continue
};
struct SAL_DLLPRIVATE Convention
{
const formula::FormulaGrammar::AddressConvention meConv;
Convention( formula::FormulaGrammar::AddressConvention eConvP );
virtual ~Convention();
virtual void makeRefStr(
ScSheetLimits& rLimits,
OUStringBuffer& rBuffer,
formula::FormulaGrammar::Grammar eGram,
const ScAddress& rPos,
const OUString& rErrRef, const std::vector<OUString>& rTabNames,
const ScComplexRefData& rRef, bool bSingleRef, bool bFromRangeName ) const = 0;
virtual css::i18n::ParseResult
parseAnyToken( const OUString& rFormula,
sal_Int32 nSrcPos,
const CharClass* pCharClass,
bool bGroupSeparator) const = 0;
/**
* Parse the symbol string and pick up the file name and the external
* range name.
*
* @return true on successful parse, or false otherwise.
*/
virtual bool parseExternalName( const OUString& rSymbol, OUString& rFile, OUString& rName,
const ScDocument& rDoc,
const css::uno::Sequence< css::sheet::ExternalLinkInfo>* pExternalLinks ) const = 0;
virtual OUString makeExternalNameStr( sal_uInt16 nFileId, const OUString& rFile,
const OUString& rName ) const = 0;
virtual void makeExternalRefStr(
ScSheetLimits& rLimits,
OUStringBuffer& rBuffer, const ScAddress& rPos, sal_uInt16 nFileId, const OUString& rFileName,
const OUString& rTabName, const ScSingleRefData& rRef ) const = 0;
virtual void makeExternalRefStr(
ScSheetLimits& rLimits,
OUStringBuffer& rBuffer, const ScAddress& rPos,
sal_uInt16 nFileId, const OUString& rFileName, const std::vector<OUString>& rTabNames,
const OUString& rTabName, const ScComplexRefData& rRef ) const = 0;
enum SpecialSymbolType
{
/**
* Character between sheet name and address. In OOO A1 this is
* '.', while XL A1 and XL R1C1 this is '!'.
*/
SHEET_SEPARATOR,
/**
* In OOO A1, a sheet name may be prefixed with '$' to indicate an
* absolute sheet position.
*/
ABS_SHEET_PREFIX
};
virtual sal_Unicode getSpecialSymbol( SpecialSymbolType eSymType ) const = 0;
virtual ScCharFlags getCharTableFlags( sal_Unicode c, sal_Unicode cLast ) const = 0;
protected:
std::unique_ptr<ScCharFlags[]> mpCharTable;
};
friend struct Convention;
private:
static const CharClass *pCharClassEnglish; // character classification for en_US locale
static const CharClass *pCharClassLocalized; // character classification for UI locale
static const Convention *pConventions[ formula::FormulaGrammar::CONV_LAST ];
static const struct AddInMap
{
const char* pODFF;
const char* pEnglish;
const char* pOriginal; // programmatical name
const char* pUpper; // upper case programmatical name
} g_aAddInMap[];
static size_t GetAddInMapCount();
ScDocument& rDoc;
ScAddress aPos;
SvNumberFormatter* mpFormatter;
const ScInterpreterContext* mpInterpreterContext;
SCTAB mnCurrentSheetTab; // indicates current sheet number parsed so far
sal_Int32 mnCurrentSheetEndPos; // position after current sheet name if parsed
// For CONV_XL_OOX, may be set via API by MOOXML filter.
css::uno::Sequence<css::sheet::ExternalLinkInfo> maExternalLinks;
sal_Unicode cSymbol[MAXSTRLEN+1]; // current Symbol + 0
OUString aFormula; // formula source code
sal_Int32 nSrcPos; // tokenizer position (source code)
mutable ScRawToken maRawToken;
std::queue<OpCode> maPendingOpCodes; // additional opcodes generated from a single symbol
const CharClass* pCharClass; // which character classification is used for parseAnyToken and upper/lower
bool mbCharClassesDiffer; // whether pCharClass and current system locale's CharClass differ
sal_uInt16 mnPredetectedReference; // reference when reading ODF, 0 (none), 1 (single) or 2 (double)
sal_Int32 mnRangeOpPosInSymbol; // if and where a range operator is in symbol
const Convention *pConv;
ExtendedErrorDetection meExtendedErrorDetection;
bool mbCloseBrackets; // whether to close open brackets automatically, default TRUE
bool mbRewind; // whether symbol is to be rewound to some step during lexical analysis
std::vector<sal_uInt16> maExternalFiles;
std::vector<OUString> maTabNames; /// sheet names mangled for the current grammar for output
std::vector<OUString> &GetSetupTabNames() const; /// get or setup tab names for the current grammar
struct TableRefEntry
{
ScTokenRef mxToken;
sal_uInt16 mnLevel;
TableRefEntry( formula::FormulaToken* p ) : mxToken(p), mnLevel(0) {}
};
std::vector<TableRefEntry> maTableRefs; /// "stack" of currently active ocTableRef tokens
// Optimizing implicit intersection is done only at the end of code generation, because the usage context may
// be important. Store candidate parameters and the operation they are the argument for.
struct PendingImplicitIntersectionOptimization
{
PendingImplicitIntersectionOptimization(formula::FormulaToken** p, formula::FormulaToken* o)
: parameterLocation( p ), parameter( *p ), operation( o ) {}
formula::FormulaToken** parameterLocation;
formula::FormulaTokenRef parameter;
formula::FormulaTokenRef operation;
};
std::vector< PendingImplicitIntersectionOptimization > mPendingImplicitIntersectionOptimizations;
std::set<formula::FormulaTokenRef> mUnhandledPossibleImplicitIntersections;
#ifdef DBG_UTIL
std::set<OpCode> mUnhandledPossibleImplicitIntersectionsOpCodes;
#endif
bool NextNewToken(bool bInArray);
bool ToUpperAsciiOrI18nIsAscii( OUString& rUpper, const OUString& rOrg ) const;
virtual void SetError(FormulaError nError) override;
sal_Int32 NextSymbol(bool bInArray);
bool IsValue( const OUString& );
bool IsOpCode( const OUString&, bool bInArray );
bool IsOpCode2( const OUString& );
bool IsString();
bool IsReference( const OUString& rSymbol, const OUString* pErrRef = nullptr );
bool IsSingleReference( const OUString& rSymbol, const OUString* pErrRef = nullptr );
bool IsDoubleReference( const OUString& rSymbol, const OUString* pErrRef = nullptr );
bool IsPredetectedReference( const OUString& rSymbol );
bool IsPredetectedErrRefReference( const OUString& rName, const OUString* pErrRef );
bool IsMacro( const OUString& );
bool IsNamedRange( const OUString& );
bool IsExternalNamedRange( const OUString& rSymbol, bool& rbInvalidExternalNameRange );
bool IsDBRange( const OUString& );
bool IsColRowName( const OUString& );
bool IsBoolean( const OUString& );
void AutoCorrectParsedSymbol();
void AdjustSheetLocalNameRelReferences( SCTAB nDelta );
void SetRelNameReference();
/** Obtain range data for ocName token, global or sheet local.
Prerequisite: rToken is a FormulaIndexToken so IsGlobal() and
GetIndex() can be called on it. We don't check with RTTI.
*/
ScRangeData* GetRangeData( const formula::FormulaToken& pToken ) const;
static const CharClass* GetCharClassEnglish();
static const CharClass* GetCharClassLocalized();
public:
ScCompiler( sc::CompileFormulaContext& rCxt, const ScAddress& rPos,
bool bComputeII = false, bool bMatrixFlag = false, const ScInterpreterContext* pContext = nullptr );
/** If eGrammar == GRAM_UNSPECIFIED then the grammar of rDocument is used,
*/
ScCompiler( ScDocument& rDocument, const ScAddress&,
formula::FormulaGrammar::Grammar eGrammar = formula::FormulaGrammar::GRAM_UNSPECIFIED,
bool bComputeII = false, bool bMatrixFlag = false, const ScInterpreterContext* pContext = nullptr );
ScCompiler( sc::CompileFormulaContext& rCxt, const ScAddress& rPos, ScTokenArray& rArr,
bool bComputeII = false, bool bMatrixFlag = false, const ScInterpreterContext* pContext = nullptr );
/** If eGrammar == GRAM_UNSPECIFIED then the grammar of rDocument is used,
*/
ScCompiler( ScDocument& rDocument, const ScAddress&, ScTokenArray& rArr,
formula::FormulaGrammar::Grammar eGrammar = formula::FormulaGrammar::GRAM_UNSPECIFIED,
bool bComputeII = false, bool bMatrixFlag = false, const ScInterpreterContext* pContext = nullptr );
virtual ~ScCompiler() override;
public:
static void DeInit(); /// all
// for ScAddress::Format()
static void CheckTabQuotes( OUString& aTabName,
const formula::FormulaGrammar::AddressConvention eConv = formula::FormulaGrammar::CONV_OOO );
/** Analyzes a string for a 'Doc'#Tab construct, or 'Do''c'#Tab etc...
@returns the position of the unquoted # hash mark in 'Doc'#Tab, or
-1 if none. */
static sal_Int32 GetDocTabPos( const OUString& rString );
static bool EnQuote( OUString& rStr );
// Check if it is a valid english function name
static bool IsEnglishSymbol( const OUString& rName );
bool IsErrorConstant( const OUString& ) const;
bool IsTableRefItem( const OUString& ) const;
bool IsTableRefColumn( const OUString& ) const;
/** Calls GetToken() if PeekNextNoSpaces() is of given OpCode. */
bool GetTokenIfOpCode( OpCode eOp );
/**
* When auto correction is set, the jump command reorder must be enabled.
*/
void SetAutoCorrection( bool bVal );
void SetCloseBrackets( bool bVal ) { mbCloseBrackets = bVal; }
void SetRefConvention( const Convention *pConvP );
void SetRefConvention( const formula::FormulaGrammar::AddressConvention eConv );
static const Convention* GetRefConvention( formula::FormulaGrammar::AddressConvention eConv );
/// Set symbol map if not empty.
void SetFormulaLanguage( const OpCodeMapPtr & xMap );
void SetGrammar( const formula::FormulaGrammar::Grammar eGrammar );
void SetNumberFormatter( SvNumberFormatter* pFormatter );
private:
/** Set grammar and reference convention from within SetFormulaLanguage()
or SetGrammar().
@param eNewGrammar
The new grammar to be set and the associated reference convention.
@param eOldGrammar
The previous grammar that was active before SetFormulaLanguage().
*/
void SetGrammarAndRefConvention(
const formula::FormulaGrammar::Grammar eNewGrammar,
const formula::FormulaGrammar::Grammar eOldGrammar );
public:
/// Set external link info for ScAddress::CONV_XL_OOX.
void SetExternalLinks(
const css::uno::Sequence<
css::sheet::ExternalLinkInfo>& rLinks )
{
maExternalLinks = rLinks;
}
void CreateStringFromXMLTokenArray( OUString& rFormula, OUString& rFormulaNmsp );
void SetExtendedErrorDetection( ExtendedErrorDetection eVal ) { meExtendedErrorDetection = eVal; }
bool IsCorrected() const { return bCorrected; }
const OUString& GetCorrectedFormula() const { return aCorrectedFormula; }
/**
* Tokenize formula expression string into an array of tokens.
*
* @param rFormula formula expression to tokenize.
*
* @return heap allocated token array object. The caller <i>must</i>
* manage the life cycle of this object.
*/
std::unique_ptr<ScTokenArray> CompileString( const OUString& rFormula );
std::unique_ptr<ScTokenArray> CompileString( const OUString& rFormula, const OUString& rFormulaNmsp );
const ScAddress& GetPos() const { return aPos; }
void MoveRelWrap();
static void MoveRelWrap( const ScTokenArray& rArr, const ScDocument& rDoc, const ScAddress& rPos,
SCCOL nMaxCol, SCROW nMaxRow );
/** If the character is allowed as tested by nFlags (SC_COMPILER_C_...
bits) for all known address conventions. If more than one bit is given
in nFlags, all bits must match. */
static bool IsCharFlagAllConventions(
OUString const & rStr, sal_Int32 nPos, ScCharFlags nFlags );
/** TODO : Move this to somewhere appropriate. */
static bool DoubleRefToPosSingleRefScalarCase(const ScRange& rRange, ScAddress& rAdr,
const ScAddress& rFormulaPos);
bool HasUnhandledPossibleImplicitIntersections() const { return !mUnhandledPossibleImplicitIntersections.empty(); }
#ifdef DBG_UTIL
const std::set<OpCode>& UnhandledPossibleImplicitIntersectionsOpCodes() { return mUnhandledPossibleImplicitIntersectionsOpCodes; }
#endif
private:
// FormulaCompiler
virtual OUString FindAddInFunction( const OUString& rUpperName, bool bLocalFirst ) const override;
virtual void fillFromAddInCollectionUpperName( const NonConstOpCodeMapPtr& xMap ) const override;
virtual void fillFromAddInCollectionEnglishName( const NonConstOpCodeMapPtr& xMap ) const override;
virtual void fillFromAddInMap( const NonConstOpCodeMapPtr& xMap, formula::FormulaGrammar::Grammar _eGrammar ) const override;
virtual void fillAddInToken(::std::vector< css::sheet::FormulaOpCodeMapEntry >& _rVec,bool _bIsEnglish) const override;
virtual bool HandleExternalReference(const formula::FormulaToken& _aToken) override;
virtual bool HandleRange() override;
virtual bool HandleColRowName() override;
virtual bool HandleDbData() override;
virtual bool HandleTableRef() override;
virtual formula::FormulaTokenRef ExtendRangeReference( formula::FormulaToken & rTok1, formula::FormulaToken & rTok2 ) override;
virtual void CreateStringFromExternal( OUStringBuffer& rBuffer, const formula::FormulaToken* pToken ) const override;
virtual void CreateStringFromSingleRef( OUStringBuffer& rBuffer, const formula::FormulaToken* pToken ) const override;
virtual void CreateStringFromDoubleRef( OUStringBuffer& rBuffer, const formula::FormulaToken* pToken ) const override;
virtual void CreateStringFromMatrix( OUStringBuffer& rBuffer, const formula::FormulaToken* pToken ) const override;
virtual void CreateStringFromIndex( OUStringBuffer& rBuffer, const formula::FormulaToken* pToken ) const override;
virtual void LocalizeString( OUString& rName ) const override; // modify rName - input: exact name
virtual formula::ParamClass GetForceArrayParameter( const formula::FormulaToken* pToken, sal_uInt16 nParam ) const override;
/// Access the CharTable flags
ScCharFlags GetCharTableFlags( sal_Unicode c, sal_Unicode cLast )
{ return c < 128 ? pConv->getCharTableFlags(c, cLast) : ScCharFlags::NONE; }
virtual void HandleIIOpCode(formula::FormulaToken* token, formula::FormulaToken*** pppToken, sal_uInt8 nNumParams) override;
bool HandleIIOpCodeInternal(formula::FormulaToken* token, formula::FormulaToken*** pppToken, sal_uInt8 nNumParams);
bool SkipImplicitIntersectionOptimization(const formula::FormulaToken* token) const;
virtual void PostProcessCode() override;
static bool ParameterMayBeImplicitIntersection(const formula::FormulaToken* token, int parameter);
void ReplaceDoubleRefII(formula::FormulaToken** ppDoubleRefTok);
bool AdjustSumRangeShape(const ScComplexRefData& rBaseRange, ScComplexRefData& rSumRange);
void CorrectSumRange(const ScComplexRefData& rBaseRange, ScComplexRefData& rSumRange, formula::FormulaToken** ppSumRangeToken);
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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