public DAEDefinition CompileDAE(string text)
        {
            compilerErrors = new List <ErrorMessage>();
            parameters     = new Dictionary <string, double>();
            variables      = new Dictionary <string, Variable>();
            FunctionTable.Init();
            //variables.Add("t", new Variable { Name = "t", InitialValue = 0.0, Initialized = true,VarType = Variable.Type.Algebraic,Count=0 });

            AntlrInputStream        inputStream = new AntlrInputStream(text);
            DAEImplicitGrammarLexer eqLexer     = new DAEImplicitGrammarLexer(inputStream);

            eqLexer.RemoveErrorListeners();
            ErrorListener <int> lexerListener = new ErrorListener <int>();

            eqLexer.AddErrorListener(lexerListener);
            CommonTokenStream        commonTokenStream = new CommonTokenStream(eqLexer);
            DAEImplicitGrammarParser eqParser          = new DAEImplicitGrammarParser(commonTokenStream);
            ErrorListener <IToken>   parserListener    = new ErrorListener <IToken>();

            eqParser.RemoveErrorListeners();
            eqParser.AddErrorListener(parserListener);
            DAEImplicitGrammarParser.CompileUnitContext eqContext = eqParser.compileUnit();
            compilerErrors = lexerListener.getErrors();
            if (compilerErrors.Count > 0)
            {
                throw new Exception("Lexer Error");
            }
            compilerErrors = parserListener.getErrors();
            if (compilerErrors.Count > 0)
            {
                throw new Exception("Parser error");
            }
            DAEImplicitGrammarVisitor visitor = new DAEImplicitGrammarVisitor();
            ASTNode root = visitor.VisitCompileUnit(eqContext);

            return(CompileDAE((RootNode)root));
        }