38   re2::Regexp* re = Regexp::Parse(pattern, pf, &status);  in Add()  local
39   if (re == NULL) {  in Add()
50   if (re->op() == kRegexpConcat) {  in Add()
51     int nsub = re->nsub();  in Add()
54       sub[i] = re->sub()[i]->Incref();  in Add()
56     re->Decref();  in Add()
57     re = re2::Regexp::Concat(sub, nsub + 1, pf);  in Add()
61     sub[0] = re;  in Add()
63     re = re2::Regexp::Concat(sub, 2, pf);  in Add()
65   re_.push_back(re);  in Add()
78   re2::Regexp* re = re2::Regexp::Alternate(const_cast<re2::Regexp**>(&re_[0]),  in Compile()  local
81   re2::Regexp* sre = re->Simplify();  in Compile()
82   re->Decref();  in Compile()
83   re = sre;  in Compile()
84   if (re == NULL) {  in Compile()
90   prog_ = Prog::CompileSet(options_, anchor_, re);  in Compile()