/// <summary>Lua Exception for parse errors.</summary>
/// <param name="position"></param>
/// <param name="sMessage"></param>
/// <param name="innerException"></param>
internal LuaParseException(Position position, string sMessage, Exception innerException)
: base(sMessage, innerException)
{
this.sFileName = position.FileName;
this.iLine = position.Line;
this.iColumn = position.Col;
this.iIndex = position.Index;
} // ctor
} // proc NextChar
/// <summary>Erzeugt einen Token</summary>
/// <param name="iKind">Art des Tokens</param>
/// <param name="iNewState"></param>
/// <returns>Token</returns>
private Token CreateToken(int iNewState, LuaToken iKind)
{
iState = iNewState;
Token tok = new Token(iKind, CurValue, fStart, fEnd);
fStart = fEnd;
sbCur = null;
return tok;
} // func CreateToken
} // proc EatChar
/// <summary>Nächstes Zeichen ohne eine Kopie anzufertigen</summary>
/// <param name="iNewState">Neuer Status des Scanners</param>
private void NextChar(int iNewState)
{
fEnd = new Position(document, iCurrentLine, iCurrentColumn, iCurrentIndex);
cCur = Read();
iState = iNewState;
} // proc NextChar
private bool lSkipComments = true; // Should the scanner skip comments
#region -- Ctor/Dtor --------------------------------------------------------------
/// <summary>Creates the lexer für the lua parser</summary>
/// <param name="sFileName">Filename</param>
/// <param name="tr">Input for the scanner, will be disposed on the lexer dispose.</param>
/// <param name="iCurrentLine"></param>
/// <param name="iCurrentColumn"></param>
public LuaLexer(string sFileName, TextReader tr, int iCurrentLine = 1, int iCurrentColumn = 1)
{
this.document = Expression.SymbolDocument(sFileName);
this.iCurrentLine = iCurrentLine;
this.iCurrentColumn = iCurrentColumn;
this.tr = tr;
lEof = false;
fStart =
fEnd = new Position(document, iCurrentLine, iCurrentColumn, iCurrentIndex);
cCur = Read(); // Lies das erste Zeichen aus dem Buffer
} // ctor
/// <summary>Erzeugt einen Token.</summary>
/// <param name="iKind">Type des Wertes.</param>
/// <param name="sValue">Der Wert.</param>
/// <param name="fStart">Beginn des Tokens</param>
/// <param name="fEnd">Ende des Tokens</param>
internal Token(LuaToken iKind, string sValue, Position fStart, Position fEnd)
{
this.iKind = iKind;
this.fStart = fStart;
this.fEnd = fEnd;
this.sValue = sValue;
} // ctor
