code: function Compiler(config, op){
      this.outputFilePath = op;
      this.modules = {};
      this.fileList = [];
      this.analyzedModules = [];
      this.combinedModules = [];
      this.buildComboModules = [];
      this.buildAnalyzedModules = [];
      this.config  = config;
      this.packages = config.packages;
  }
docs: modified by bachi@taobao.com 2013-12-12 op:解析后文件（要输出的）路径