Method parse

Rewrite-Parser.js:2655–2680

()

    }

    parse() {
      // console.log('=== 开始语法分析 ===')
      if (this.tokens.length === 0) {
        throw new Error('输入为空')
      }
      const expr = this.parseExpression()

      // 检查是否有剩余的路由策略
      if (this.position < this.tokens.length) {
        const remainingTokens = this.tokens.slice(this.position)
        if (
          remainingTokens.length >= 2 &&
          remainingTokens[0].type === 'COMMA' &&
          this.ROUTING_POLICIES.includes(remainingTokens[1].value.toUpperCase())
        ) {
          this.consume() // 消费逗号
          const routingPolicyToken = this.consume()
          expr.routingPolicy = routingPolicyToken.value.toUpperCase()
        } else {
          throw new Error(`意外的令牌 '${this.peek().value}' 在位置 ${this.position}`)
        }
      }

      // console.log('=== 语法分析完成 ===')
      return expr
    }

    parseExpression() {
      const token = this.peek()