关于VS2010 C ++中断点的问题

时间:2010-04-15 18:30:08

标签: c++ visual-studio-2010

我正在使用VS2010 Ultimate。 有代码:

//file IntSet.h
#include "stdafx.h"
#pragma once
/*Class representing set of integers*/
template<class T>
class IntSet
{
private:
 T** myData_;
 std::size_t mySize_;
 std::size_t myIndex_;
public:
#pragma region ctor/dtor
 explicit IntSet();
 virtual ~IntSet();
#pragma endregion
#pragma region publicInterface
 IntSet makeUnion(const IntSet&)const;
 IntSet makeIntersection(const IntSet&)const;
 IntSet makeSymmetricDifference(const IntSet&)const;
 void insert(const T&);

#pragma endregion
};

//file IntSet_impl.h
#include "StdAfx.h"
#include "IntSet.h"

#pragma region ctor/dtor
template<class T>
IntSet<T>::IntSet():myData_(nullptr),
     mySize_(0),
     myIndex_(0)
{
}

template<class T>
IntSet<T>::~IntSet()
{
}
#pragma endregion

#pragma region publicInterface
template<class T>
void IntSet<T>::insert(const T& obj)
{//BREAKPOINT---------------------------<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
/*IF I SET A BREAKPOINT HERE AND AFTER THAT I CHANGE SOMETHING IN THE BODY 
    I'M GETTING MSG SAYING THAT THE BREAKPOINT WILL NOT CURRENTLY BE HIT, AFTER I REBUILD 
    THE BREAKPOINT IS VALID AGAIN*/

 /*Check if we are initialized*/
 if (mySize_ == 0)
 {
  mySize_ = 1;
  myData_ = new T*[mySize_];
 }
 /*Check if we have place to insert obj in.*/
 if (myIndex_ < mySize_)
 {
  myData_[myIndex_++] = new T(obj);
  return;
 }

 /*We didn't have enough place...*/
 T** tmp = new T*[mySize_];//for copying old to temporary basket
 std::copy(&myData_[0],&myData_[mySize_],&tmp[0]);
 delete myData_;
 auto oldSize = mySize_;
 mySize_ *= 2;
 myData_ = new T*[mySize_];
 std::copy(&tmp[0],&tmp[oldSize],&myData_[0]);
 myData_[myIndex_] = new T(obj);
 ++myIndex_;
}
#pragma endregion

请参阅标记为BREAKPOINT的linke。 感谢。

1 个答案:

答案 0 :(得分:5)

如果在程序运行时更改代码,则代码不再与编译的代码匹配,因此调试器(通常)无法管理断点,直到程序停止并使用新源重建。

在某些情况下,Visual Studio支持编辑并继续调试,您可以在调试器在断点处停止时编辑文件,然后在恢复时将重新编译该代码并使用修改后的代码继续。

相关问题