//---------------------------------------------------------------------------
/* Copy state of a parser object to this.
* \param a_Parser the source object.
*
* Clears Variables and Functions of this parser.
* Copies the states of all internal variables.
* Resets parse function to string parse mode.
*/
public void Assign(ParserXBase a_Parser)
{
if (a_Parser == this)
{
return;
}
// Don't copy bytecode instead cause the parser to create new bytecode
// by resetting the parse function.
ReInit();
m_pTokenReader = new TokenReader(a_Parser.m_pTokenReader.Clone(this));
m_OprtDef = a_Parser.m_OprtDef;
m_FunDef = a_Parser.m_FunDef;
m_PostOprtDef = a_Parser.m_PostOprtDef;
m_InfixOprtDef = a_Parser.m_InfixOprtDef;
m_valDef = a_Parser.m_valDef;
m_valDynVarShadow = a_Parser.m_valDynVarShadow;
m_varDef = a_Parser.m_varDef; // Copy user defined variables
// Copy charsets
m_sNameChars = a_Parser.m_sNameChars;
m_sOprtChars = a_Parser.m_sOprtChars;
m_sInfixOprtChars = a_Parser.m_sInfixOprtChars;
m_bAutoCreateVar = a_Parser.m_bAutoCreateVar;
// Things that should not be copied:
// - m_vStackBuffer
// - m_cache
// - m_rpn
}
//---------------------------------------------------------------------------
void SetParent(ParserXBase a_pParent)
{
m_pParser = a_pParent;
m_pFunDef = a_pParent.m_FunDef;
m_pOprtDef = a_pParent.m_OprtDef;
m_pInfixOprtDef = a_pParent.m_InfixOprtDef;
m_pPostOprtDef = a_pParent.m_PostOprtDef;
m_pVarDef = a_pParent.m_varDef;
m_pConstDef = a_pParent.m_valDef;
m_pDynVarShadowValues = a_pParent.m_valDynVarShadow;
}
//---------------------------------------------------------------------------
/* Constructor.
*
* Create a Token reader and bind it to a parser object.
*
* \pre [assert] a_pParser may not be nullptr
* \post #m_pParser==a_pParser
* \param a_pParent Parent parser object of the token reader.
*/
internal TokenReader(ParserXBase a_pParent)
{
m_sExpr = "";
m_nPos = 0;
m_nNumBra = 0;
m_nNumIndex = 0;
m_nNumCurly = 0;
m_nNumIfElse = 0;
m_nSynFlags = 0;
m_vTokens = new List <IToken>();
m_eLastTokCode = ECmdCode.cmUNKNOWN;
m_vValueReader = new List <IValueReader>();
m_UsedVar = new TokenMap();
m_fZero = 0;
SetParent(a_pParent);
}
//---------------------------------------------------------------------------
/* Create instance of a ParserTokenReader identical with this
* and return its pointer.
*
* This is a factory method the calling function must take care of the object destruction.
*
* \return A new ParserTokenReader object.
*/
internal TokenReader Clone(ParserXBase parserXBase1)
{
return(new TokenReader(this));
}
protected ParserXBase(ParserXBase a_Parser) : this()
{
m_pTokenReader = new TokenReader(this);
Assign(a_Parser);
}
