安徽大学编译原理实验三正规文法转正规式(3)

private:

multimap<uchar,string> production;//key is the nonterminal map<uchar,int>symbolidx; map<int,uchar>symboltable; map<uchar,bool>symbolmark; intsymbnum; intgenint; string expression; void addSymbol(uchar _c) { } void addProductionPhase2(ucharkeymultimap,string&_tstr) { string::iterator s,t; for(s=t=_tstr.begin();;s++) { if(s==_tstr.end()|| *s=='|' ) if(symbolidx[_c]>0)return; symbnum++; symbolidx[_c]=symbnum; symboltable[symbnum]=_c; symbolmark[_c]=false;