一个简单的C语言编译器

一个简单的C语言编译器(21) {
 if(hasError){
  log<<endl;
  log<<"*******************************************"<<endl;
  log<<"源代码中有错误,不能生成目标代码!"<<endl;
  log<<"*******************************************"<<endl;
  return;
 }
 log<<endl;
 log<<"*******************************************"<<endl;
 log<<"开始生成目标代码..."<<endl;
 out.open((fileName + ".asm").c_str(),ios::out);
 if(out.is_open()){
 log<<"创建文件"<<(fileName + ".asm").c_str()<<"成功!"<<endl;
 out<<"\t.model small"<<endl;
 out<<"\t.stack"<<endl;
 out<<"\t.data"<<endl;
 while(!symbolList.empty())
 {
  out<<symbolList.front().c_str()<<"\tdw ?"<<endl;
  symbolList.pop_front();
 }
 out<<"__end\tdb 13,10,\'Press Any Key To Continue...\',\'$\'"<<endl;
 out<<"\t.code"<<endl;
 out<<endl;
 if(needOutSuppose){
  log<<"写入被引入系统函数代码."<<endl;
  out<<"outint proc near"<<endl;
  out<<"\tmov cx,0"<<endl;
  out<<"\tmov bx,10"<<endl;
  out<<"again:\tmov dx,0"<<endl;
  out<<"\tdiv bx"<<endl;
  out<<"\tpush dx"<<endl;
  out<<"\tinc cx"<<endl;
  out<<"\tcmp ax,0"<<endl;
  out<<"\tjne again"<<endl;
  out<<"print:\tpop dx"<<endl;
  out<<"\tadd dl,30h"<<endl;
  out<<"\tmov ah,02h"<<endl;
  out<<"\tint 21h"<<endl;
  out<<"\tloop print"<<endl;
  out<<"\tmov dl,20h"<<endl;