一个简单的C语言编译器

作者: 来源:网络文章时间:2005-12-16 23:43:18

一个简单的C语言编译器(10)      log<<"语法分析:S->i(G)SeS"<<endl;
    }
    else
     err(8,s6->line);
    delete l1;
    delete l2;
    delete s1;
    delete s2;
    delete s3;
    delete s4;
    delete s5;
    delete s6;
    delete s7;
    break;
   case 6://ok
    //S->w(G)S
    log<<"语法分析:S->w(G)S"<<endl;
    ss.pop();
    ss.pop();
    ss.pop();
    ss.pop();
    ss.pop();
    s5=sos.top();
    sos.pop();
    s4=sos.top();
    sos.pop();
    s3=sos.top();
    sos.pop();
    s2=sos.top();
    sos.pop();
    s1=sos.top();
    sos.pop();
    m=new Symbol;
    m->group='S';
    m->line=s1->line;
    sos.push(m);
    //动作
    delete s1;
    delete s2;
    delete s3;
    delete s4;
    delete s5;
    break;
   case 7://OK
    //S->zL;
    log<<"语法分析:S->zL;"<<endl;
    ss.pop();
    ss.pop();
    ss.pop();
    s3=sos.top();

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