CODEWITHSUNDEEP
c++macros
user2701639
user2701639

Reputation: 921

how to use macro #define to change class name?

I have a class 

 class A{}

But I want to use macro to replace the class name A with the following statement:

#define SOMETHING A

The definition of class A {} is in the same .cpp with the MACRO.

Does it correct?

I want to do this, because I am removing all of the MACRO in the source code. But the MACRO was used widely. Does any software could help me to do the replacement of MACRO ?

Upvotes: 2

Views: 1972

Answers (2)

Mad Physicist
Mad Physicist

Reputation: 114578

Try #define A SOMETHING. Then, if the preprocessor sees public class A, it will presumably replace your class name to give public class SOMETHING. Why in the world would you ever want to do such a thing though?

Upvotes: 1

user1804599
user1804599

Reputation:

Reverse the tokens; #define A SOMETHING should work.

Note that it is a terrible idea as it may break other code and confuse the hell out of people.

Use an alias instead:

class A { … };
using SOMETHING = A;

Upvotes: 5

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