Method DefineVar

libraries/muparser/src/muParserBase.cpp:617–632

--------------------------------------------------------------------------- \brief Add a user defined variable. \param [in] a_sName the variable name \param [in] a_pVar A pointer to the variable value. \post Will reset the Parser to string parsing mode. \throw ParserException in case the name contains invalid signs or a_pVar is nullptr. */

		\throw ParserException in case the name contains invalid signs or a_pVar is nullptr.
	*/
	void ParserBase::DefineVar(const string_type& a_sName, value_type* a_pVar)
	{
		if (a_pVar == 0)
			Error(ecINVALID_VAR_PTR);

		if (a_sName.length() > MaxLenIdentifier)
			Error(ecIDENTIFIER_TOO_LONG);

		// Test if a constant with that names already exists
		if (m_ConstDef.find(a_sName) != m_ConstDef.end())
			Error(ecNAME_CONFLICT);

		CheckName(a_sName, ValidNameChars());
		m_VarDef[a_sName] = a_pVar;
		ReInit();
	}

	//---------------------------------------------------------------------------
	/** \brief Add a user defined constant.