CVersionInfoLDr. Detlef Meyer-EltzPParsergenerator and Interpreter1.5.0.0 Tetra.exe+Copyright 2002 - 08 Dr. Detlef Meyer-Eltz Tetra.exeTextTransformer1.4.2.0numberCToken8bnumber\d+(\.\d*)?|\.\d+ CalculatorCProduction_LINK,c Calculator7 Expression {{ out << m_ftCalc.visit(m_nTree); }} ExpressionCProduction_LINK0e Expression* Term ( "+" Term | "-" Term )* FactorCProduction_LINK4gFactor; ( "-" )? ( Number | "(" Expression ")" )NumberCProduction_LINK8iNumber numberTermCProduction_LINK