如何從VariableDeclarationStatement獲取方法名稱

Question

我有一個VariableDeclarationStatement類型的變量。我想從這個變量中獲取方法的名稱。我該怎麼做，幫助

Answer 1

你可以在this thread使用的代碼，並使用VariableDeclarationFragment：

public boolean visit(VariableDeclarationStatement node) 
    { 
     System.out.println("Visiting variable declaration statement."); 
     for(int i = 0; i < node.fragments().size(); ++i) 
     { 
      VariableDeclarationFragment frag = (VariableDeclarationFragment)node.fragments().get(i); 
      System.out.println("Fragment: " + node.getType() + " " + frag.getName()); 
     } 

     System.out.println("");   
     return true; 
    } 

要獲得在這個（變量）定義的方法，我會用的訪問者CompilationUnit，查找VariableDeclarationFragment，同時記憶IMethod我目前解析：

 IJavaElement element = delta.getElement(); 

     if(element.getElementType() != IJavaElement.COMPILATION_UNIT) 
      return; 

     ICompilationUnit compilationUnit = (ICompilationUnit)element; 

     try 
     { 

      IType type = compilationUnit.findPrimaryType(); 
      IMethod[] methods = type.getMethods(); 
      for(IMethod method : methods) 
      {     
       ASTParser parser = ASTParser.newParser(AST.JLS3);     
       parser.setSource(compilationUnit); 
       parser.setSourceRange(method.getSourceRange().getOffset(), method.getSourceRange().getLength()); 
       //parser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS); 
       //parser.setSource(method.getSource().toCharArray()); 
       //parser.setProject(method.getJavaProject());     
       parser.setResolveBindings(true); 
       CompilationUnit cu = (CompilationUnit)parser.createAST(null); 
       cu.accept(new ASTMethodVisitor()); 

       // If the visitor visit the right VariableDeclarationFragment, 
       // then the right IMethod is the current 'method' variable 

      }       
     } 
     catch(JavaModelException e) 
     {   
      e.printStackTrace(); 
     }