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Make parser static locale variable local for each parser instance.

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--HG--
branch : feature
This commit is contained in:
Roman Telezhynskyi 2015-02-10 13:39:31 +02:00
parent cc65f00e2f
commit 8c0bdcc612
9 changed files with 37 additions and 20 deletions
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4
src/libs/qmuparser/qmuparser.cpp
View file

@ -199,14 +199,14 @@ qreal QmuParser::Max(const qreal *a_afArg, int a_iArgc)
* @param [out] a_fVal Pointer where the value should be stored in case one is found.
* @return 1 if a value was found 0 otherwise.
*/
int QmuParser::IsVal(const QString &a_szExpr, int *a_iPos, qreal *a_fVal)
int QmuParser::IsVal(const QString &a_szExpr, int *a_iPos, qreal *a_fVal, const std::locale &s_locale)
{
qreal fVal(0);
std::wstring a_szExprStd = a_szExpr.toStdWString();
stringstream_type stream(a_szExprStd);
stream.seekg(0); // todo: check if this really is necessary
stream.imbue(QmuParser::s_locale);
stream.imbue(s_locale);
stream >> fVal;
stringstream_type::pos_type iEnd = stream.tellg(); // Position after reading

2
src/libs/qmuparser/qmuparser.h
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@ -54,7 +54,7 @@ namespace qmu
virtual void OnDetectVar(const QString &pExpr, int &nStart, int &nEnd);
qreal Diff(qreal *a_Var, qreal a_fPos, qreal a_fEpsilon = 0) const;
protected:
static int IsVal(const QString &a_szExpr, int *a_iPos, qreal *a_fVal);
static int IsVal(const QString &a_szExpr, int *a_iPos, qreal *a_fVal, const std::locale &s_locale);
// Trigonometric functions
static qreal Tan2(qreal, qreal);
// hyperbolic functions

27
src/libs/qmuparser/qmuparserbase.cpp
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@ -37,7 +37,6 @@ using namespace std;
namespace qmu
{
std::locale QmuParserBase::s_locale = std::locale(std::locale::classic(), new change_dec_sep<char_type>('.'));
bool QmuParserBase::g_DbgDumpCmdCode = false;
bool QmuParserBase::g_DbgDumpStack = false;
@ -57,7 +56,8 @@ const QStringList QmuParserBase::c_DefaultOprt = QStringList()<< "<=" << ">=" <<
* @brief Constructor.
*/
QmuParserBase::QmuParserBase()
:m_pParseFormula(&QmuParserBase::ParseString), m_vRPN(), m_vStringBuf(), m_vStringVarBuf(), m_pTokenReader(),
:s_locale(std::locale(std::locale::classic(), new change_dec_sep<char_type>('.'))),
m_pParseFormula(&QmuParserBase::ParseString), m_vRPN(), m_vStringBuf(), m_vStringVarBuf(), m_pTokenReader(),
m_FunDef(), m_PostOprtDef(), m_InfixOprtDef(), m_OprtDef(), m_ConstDef(), m_StrVarDef(), m_VarDef(),
m_bBuiltInOp(true), m_sNameChars(), m_sOprtChars(), m_sInfixOprtChars(), m_nIfElseCounter(0), m_vStackBuffer(),
m_nFinalResultIdx(0), m_Tokens(QMap<int, QString>()), m_Numbers(QMap<int, QString>()), allowSubexpressions(true)
@ -72,10 +72,11 @@ QmuParserBase::QmuParserBase()
* Tha parser can be safely copy constructed but the bytecode is reset during copy construction.
*/
QmuParserBase::QmuParserBase(const QmuParserBase &a_Parser)
:m_pParseFormula(&QmuParserBase::ParseString), m_vRPN(), m_vStringBuf(), m_vStringVarBuf(), m_pTokenReader(),
m_FunDef(), m_PostOprtDef(), m_InfixOprtDef(), m_OprtDef(), m_ConstDef(), m_StrVarDef(), m_VarDef(),
m_bBuiltInOp(true), m_sNameChars(), m_sOprtChars(), m_sInfixOprtChars(), m_nIfElseCounter(0), m_vStackBuffer(),
m_nFinalResultIdx(0), m_Tokens(QMap<int, QString>()), m_Numbers(QMap<int, QString>()), allowSubexpressions(true)
:s_locale(a_Parser.getLocale()), m_pParseFormula(&QmuParserBase::ParseString), m_vRPN(), m_vStringBuf(),
m_vStringVarBuf(), m_pTokenReader(), m_FunDef(), m_PostOprtDef(), m_InfixOprtDef(), m_OprtDef(), m_ConstDef(),
m_StrVarDef(), m_VarDef(), m_bBuiltInOp(true), m_sNameChars(), m_sOprtChars(), m_sInfixOprtChars(),
m_nIfElseCounter(0), m_vStackBuffer(), m_nFinalResultIdx(0), m_Tokens(QMap<int, QString>()),
m_Numbers(QMap<int, QString>()), allowSubexpressions(true)
{
m_pTokenReader.reset(new token_reader_type(this));
Assign(a_Parser);
@ -220,6 +221,18 @@ void QmuParserBase::setAllowSubexpressions(bool value)
allowSubexpressions = value;
}
//---------------------------------------------------------------------------------------------------------------------
std::locale QmuParserBase::getLocale() const
{
return s_locale;
}
//---------------------------------------------------------------------------------------------------------------------
void QmuParserBase::setLocale(const std::locale &value)
{
s_locale = value;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Returns the version of muparser.
@ -1300,7 +1313,7 @@ void QmuParserBase::CreateRPN() const
for (;;)
{
opt = m_pTokenReader->ReadNextToken();
opt = m_pTokenReader->ReadNextToken(s_locale);
switch (opt.GetCode())
{

5
src/libs/qmuparser/qmuparserbase.h
View file

@ -122,9 +122,12 @@ public:
}
void setAllowSubexpressions(bool value);
std::locale getLocale() const;
void setLocale(const std::locale &value);
protected:
static const QStringList c_DefaultOprt;
static std::locale s_locale; ///< The locale used by the parser
std::locale s_locale; ///< The locale used by the parser
static bool g_DbgDumpCmdCode;
static bool g_DbgDumpStack;
void Init();

2
src/libs/qmuparser/qmuparserdef.h
View file

@ -275,7 +275,7 @@ typedef qreal ( *strfun_type2 ) ( const QString &, qreal );
typedef qreal ( *strfun_type3 ) ( const QString &, qreal, qreal );
/** @brief Callback used for functions that identify values in a string. */
typedef int ( *identfun_type ) ( const QString &sExpr, int *nPos, qreal *fVal );
typedef int ( *identfun_type ) ( const QString &sExpr, int *nPos, qreal *fVal, const std::locale &s_locale );
/** @brief Callback used for variable creation factory functions. */
typedef qreal* ( *facfun_type ) ( const QString &, void* );

3
src/libs/qmuparser/qmuparsertest.cpp
View file

@ -62,8 +62,9 @@ QmuParserTester::QmuParserTester()
}
//---------------------------------------------------------------------------------------------------------------------
int QmuParserTester::IsHexVal ( const QString &a_szExpr, int *a_iPos, qreal *a_fVal )
int QmuParserTester::IsHexVal ( const QString &a_szExpr, int *a_iPos, qreal *a_fVal, const std::locale &s_locale )
{
Q_UNUSED(s_locale)
if ( a_szExpr.data()[1] == 0 || ( a_szExpr.data()[0] != '0' || a_szExpr.data()[1] != 'x' ) )
{
return 0;

2
src/libs/qmuparser/qmuparsertest.h
View file

@ -276,7 +276,7 @@ private:
}
// Custom value recognition
static int IsHexVal ( const QString &a_szExpr, int *a_iPos, qreal *a_fVal );
static int IsHexVal (const QString &a_szExpr, int *a_iPos, qreal *a_fVal , const std::locale &s_locale);
// cppcheck-suppress functionStatic
int TestNames();

8
src/libs/qmuparser/qmuparsertokenreader.cpp
View file

@ -204,7 +204,7 @@ void QmuParserTokenReader::ReInit()
/**
* @brief Read the next token from the string.
*/
QmuParserTokenReader::token_type QmuParserTokenReader::ReadNextToken()
QmuParserTokenReader::token_type QmuParserTokenReader::ReadNextToken(const std::locale &s_locale)
{
assert ( m_pParser );
@ -236,7 +236,7 @@ QmuParserTokenReader::token_type QmuParserTokenReader::ReadNextToken()
{
return SaveBeforeReturn ( tok ); // Check for function argument separators
}
if ( IsValTok ( tok ) )
if ( IsValTok ( tok, s_locale ) )
{
return SaveBeforeReturn ( tok ); // Check for values / constant tokens
}
@ -766,7 +766,7 @@ bool QmuParserTokenReader::IsPostOpTok ( token_type &a_Tok )
* @param a_Tok [out] If a value token is found it will be placed here.
* @return true if a value token has been found.
*/
bool QmuParserTokenReader::IsValTok ( token_type &a_Tok )
bool QmuParserTokenReader::IsValTok ( token_type &a_Tok, const std::locale &s_locale )
{
assert ( m_pConstDef );
assert ( m_pParser );
@ -802,7 +802,7 @@ bool QmuParserTokenReader::IsValTok ( token_type &a_Tok )
for ( item = m_vIdentFun.begin(); item != m_vIdentFun.end(); ++item )
{
int iStart = m_iPos;
if ( ( *item ) ( m_strFormula.mid ( m_iPos ), &m_iPos, &fVal ) == 1 )
if ( ( *item ) ( m_strFormula.mid ( m_iPos ), &m_iPos, &fVal, s_locale ) == 1 )
{
// 2013-11-27 Issue 2: https://code.google.com/p/muparser/issues/detail?id=2
strTok = m_strFormula.mid ( iStart, m_iPos-iStart );

4
src/libs/qmuparser/qmuparsertokenreader.h
View file

@ -58,7 +58,7 @@ public:
QChar GetArgSep() const;
void IgnoreUndefVar(bool bIgnore);
void ReInit();
token_type ReadNextToken();
token_type ReadNextToken(const std::locale &s_locale);
private:
/**
@ -103,7 +103,7 @@ private:
bool IsFunTok(token_type &a_Tok);
bool IsPostOpTok(token_type &a_Tok);
bool IsOprt(token_type &a_Tok);
bool IsValTok(token_type &a_Tok);
bool IsValTok(token_type &a_Tok, const std::locale &s_locale);
bool IsVarTok(token_type &a_Tok);
bool IsStrVarTok(token_type &a_Tok);
bool IsUndefVarTok(token_type &a_Tok);