Fixed issue #170.

--HG--
branch : develop
This commit is contained in:
dismine 2014-09-08 16:17:38 +03:00
parent fc92e0b4a4
commit e8bd1ac8d5
2 changed files with 6 additions and 27 deletions

View File

@ -34,8 +34,6 @@
using namespace qmu;
int Calculator::iVal = -1;
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Calculator class constructor. Make easy initialization math parser.
@ -56,6 +54,9 @@ Calculator::Calculator(const VContainer *data)
{
InitCharacterSets();
setAllowSubexpressions(false);//Only one expression per time
SetArgSep(',');
SetDecSep('.');
}
//---------------------------------------------------------------------------------------------------------------------
@ -114,7 +115,6 @@ Calculator::Calculator(const QString &formula, bool fromUser)
Calculator::~Calculator()
{
delete [] vVarVal;
Calculator::iVal = -1;
}
//---------------------------------------------------------------------------------------------------------------------
@ -220,29 +220,9 @@ void Calculator::InitCharacterSets()
// This could as well be a function performing database queries.
qreal* Calculator::AddVariable(const QString &a_szName, void *a_pUserData)
{
// I don't want dynamic allocation here, so i used this static buffer
// If you want dynamic allocation you must allocate all variables dynamically
// in order to delete them later on. Or you find other ways to keep track of
// variables that have been created implicitely.
static qreal afValBuf[100];
++iVal;
Q_UNUSED(a_szName)
Q_UNUSED(a_pUserData)
// qDebug() << "Generating new variable \""
// << a_szName << "\" (slots left: "
// << 99-iVal << ")"
// << " User data pointer is:"
// << QString::number(a_pUserData, 16);
afValBuf[iVal] = 0;
if (iVal>=99)
{
throw qmu::QmuParserError( "Variable buffer overflow." );
}
else
{
return &afValBuf[iVal];
}
static qreal value = 0;
return &value;
}

View File

@ -62,9 +62,8 @@ public:
private:
Q_DISABLE_COPY(Calculator)
qreal *vVarVal;
static int iVal;
const VContainer *data;
void InitVariables(const VContainer *data, const QMap<int, QString> &tokens, const QString &formula);
void InitVariables(const VContainer *data, const QMap<int, QString> &tokens, const QString &formula);
void InitCharacterSets();
static qreal* AddVariable(const QString &a_szName, void *a_pUserData);
};