CSLE.CLS_Expression_Compiler.Compiler_Expression_NegativeLogic C# (CSharp) Méthode

        public ICLS_Expression Compiler_Expression_NegativeLogic(IList<Token> tlist, ICLS_Environment content, int pos, int posend)
        {
            int expbegin = pos;
            int bdep;
            int expend2 = FindCodeAny(tlist, ref expbegin, out bdep);
            if (expend2 != posend)
            {
                //expend2 = posend;
                LogError(tlist, "无法识别的取反表达式:", expbegin, posend);
                return null;
            }
            //else
            {
                ICLS_Expression subvalue;
                bool succ = Compiler_Expression(tlist, content, expbegin, expend2, out subvalue);
                if (succ && subvalue != null)
                {
                    if (subvalue is CLS_Expression_Math2Value || subvalue is CLS_Expression_Math2ValueAndOr || subvalue is CLS_Expression_Math2ValueLogic)
                    {
                        var pp = subvalue.listParam[0];
                        CLS_Expression_NegativeLogic v = new CLS_Expression_NegativeLogic(pp.tokenBegin, pp.tokenEnd, pp.lineBegin, pp.lineEnd);
                        v.listParam.Add(pp);
                        subvalue.listParam[0] = v;
                        return subvalue;
                    }
                    else
                    {
                        CLS_Expression_NegativeLogic v = new CLS_Expression_NegativeLogic(pos, expend2, tlist[pos].line, tlist[expend2].line);
                        v.listParam.Add(subvalue);
                        return v;
                    }
                }
                else
                {
                    LogError(tlist, "无法识别的取反表达式:", expbegin, posend);
                    return null;
                }
            }
        }
    }