C# (CSharp) Sedna.Core.Internals.Ast ExpressionStmt示例

示例#1

文件： ExpressionStmt.cs 项目： Myvar/MyvarOS

        public override IAst Parse(Token raw)
        {
            var re = new ExpressionStmt();

            if(raw.Raw.Contains("=="))
            {
                var x = Regex.Split(raw.Raw, "==");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "beq";
            }
            else if (raw.Raw.Contains("!="))
            {
                var x = Regex.Split(raw.Raw, "!=");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bne";
            }
            else if (raw.Raw.Contains("<="))
            {
                var x = Regex.Split(raw.Raw, "<=");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Ble";
            }
            else if (raw.Raw.Contains(">="))
            {
                var x = Regex.Split(raw.Raw, ">=");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bge";
            }
            else if (raw.Raw.Contains(">"))
            {
                var x = Regex.Split(raw.Raw, ">");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bgt";
            }
            else if (raw.Raw.Contains("<"))
            {
                var x = Regex.Split(raw.Raw, "<");
                re.Left = IAst.ParseToken(x[0].Trim())[0];
                re.Right = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Blt";
            }

            return re;
        }

示例#2

        public override IAst Parse(Token raw)
        {
            var re = new ExpressionStmt();

            if (raw.Raw.Contains("=="))
            {
                var x = Regex.Split(raw.Raw, "==");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "beq";
            }
            else if (raw.Raw.Contains("!="))
            {
                var x = Regex.Split(raw.Raw, "!=");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bne";
            }
            else if (raw.Raw.Contains("<="))
            {
                var x = Regex.Split(raw.Raw, "<=");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Ble";
            }
            else if (raw.Raw.Contains(">="))
            {
                var x = Regex.Split(raw.Raw, ">=");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bge";
            }
            else if (raw.Raw.Contains(">"))
            {
                var x = Regex.Split(raw.Raw, ">");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Bgt";
            }
            else if (raw.Raw.Contains("<"))
            {
                var x = Regex.Split(raw.Raw, "<");
                re.Left     = IAst.ParseToken(x[0].Trim())[0];
                re.Right    = IAst.ParseToken(x[1].Trim())[0];
                re.Operator = "Blt";
            }

            return(re);
        }