CSLE.CLS_Expression_Compiler.FindBlock C# (CSharp) Метод

        int FindBlock(ICLS_Environment env, IList<CSLE.Token> tokens, int start)
        {
            if (tokens[start].type != CSLE.TokenType.PUNCTUATION)
            {
                env.logger.Log_Error("(script)FindBlock 没有从符号开始");
            }
            string left = tokens[start].text;
            string right = "}";
            if (left == "{") right = "}";
            if (left == "(") right = ")";
            if (left == "[") right = "]";
            int depth = 0;
            for (int i = start; i < tokens.Count; i++)
            {
                if (tokens[i].type == CSLE.TokenType.PUNCTUATION)
                {
                    if (tokens[i].text == left)
                    {
                        depth++;
                    }
                    else if (tokens[i].text == right)
                    {
                        depth--;
                        if (depth == 0)
                        {
                            return i;
                        }
                    }
                }
            }
            return -1;
        }
    }