modified by bachi@taobao.com 2013-12-12 op:解析后文件（要输出的）路径
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;
}