如何在調用圖中找到實例變量對象的所有用法？

Question

來自現有的代碼庫。類A具有實例變量A.toBeCalled，類型爲「ToBeCalled」。 如何找到它的所有用法/參考A.toBeCalled從代碼庫的整個調用圖？ 例如

• B類調用A.getToBeCalled（）並存儲在其本地var中，然後通過調用它的方法來使用它。
• B類調用A.getToBeCalled（）並存儲在C類的實例var中，然後D類使用C類的實例var。

要求：

• 什麼方法調用A.toBeCalled對象已在B類，C類，d類做...等
• 被叫圖表以上

代碼示例

Class A { 
    ToBeCalled toBeCalled = new ToBeCalled(); 
    getToBecalled() { return toBeCalled;} 
} 

Class B {  
    main() { 
    A a = new A(); 
    ToBeCalled toBeCalledInB = a.getToBecalled(); 
    toBeCalledInB.doXXX(); 
    C c = new C(); 
    c.setToBeCalled(toBeCalledInB); 
    D d = new D(); 
    d.start(c); 
    } 
} 

Class C { 
    ToBeCalled toBeCalledInC; 
    setToBeCalled(ToBeCalled theToBeCalled){ 
    toBeCalledInC = theToBeCalled; 
    } 
    getToBeCalled() { 
    return toBeCalledInC; 
    } 
} 

Class D { 
    start(C c) { 
    ToBeCalled toBeCalledInD = c.getToBeCalled(); 
    toBeCalledInD.doYYY(); 
    } 
} 

調用的列表方法A.toBeCalled

• ToBeCalled.doXXX（）
• ToBeCalled.doYYY（）

我已經調查了幾個工具爲起點，然而，他們是那種粗糙

• https://code.google.com/p/javaparser/wiki/UsingThisParser
• IntelliJ's Code Explorer插件
• http://www.antlr.org/wiki/display/ANTLR4/ANTLR+4+Documentation個
• http://spoon.gforge.inria.fr/Doc/FAQ

非常感謝幫助。

Answer 1

如果我理解你的問題，你說的是interfaces。 比方說你有接口MyItf有幾種方法：

public interface MyItf { 
public ToBeCalled getToBeCalled(); 
public void doXXX(); 
public void doYYY(); 
} 

通過使用interfaceToBeCalled類必須覆蓋所有方法。

public class ToBeCalled implements MyItf{ 

@Override 
public ToBeCalled getToBeCalled() { 
    // TODO Auto-generated method stub 
    return null; 
} 

@Override 
public void doXXX() { 
    // TODO Auto-generated method stub 
} 

@Override 
public void doYYY() { 
    // TODO Auto-generated method stub 
    } 
} 

其他類：

public class ToBeCalled2 implements MyItf{ 

@Override 
public ToBeCalled getToBeCalled() { 
    // TODO Auto-generated method stub 
    return null; 
} 

@Override 
public void doXXX() { 
    // TODO Auto-generated method stub 
} 

@Override 
public void doYYY() { 
    // TODO Auto-generated method stub 
    } 
} 

最後：

public class Launcher { 


public static void main(String[] args) { 
    MyItf my = new ToBeCalled();   
    my.getToBeCalled();  
    my.doXXX();  
    my.doYYY(); 

      my = new ToBeCalled2();  
    my.getToBeCalled();  
    my.doXXX();  
    my.doYYY(); 
} 
}