Strange Enum Error in Visual C++

Question

1.00/5 (1 vote)

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I get this error code when trying to make an enum for my game and use it.
"error C4430: missing type specifier - int assumed. Note: C++ does not support default-int"

Project Type: Win32 Blank Project
IDE: Visual Studio 2010
OS: Windows 7 32bit.

My Code:
Here's all my code:

C++

//===============================================
#include "DragonFireSDK.h"
//===============================================
GameState gameState = MainMenu;
//
//  All of the below errors are for the above line of code.
//
//Error	1	error C2146: syntax error : missing ';' before identifier 
//Error	2	error C4430: missing type specifier - int assumed. Note: C++ does not support default-int	
//Error	3	error C4430: missing type specifier - int assumed. Note: C++ does not support default-int	
//Error	4	error C2065: 'MainMenu' : undeclared identifier	
//
int MainMenu_StartGame_Btn;
int MainMenu_Background_Img;
int View;
//===============================================
enum GameState
{
	MainMenu,
		LevelSelect,
		DifficultySelect,
		CountDown,
		GamePlaying,
		GameEnd,
	Options,
	HighScores,
	Credits
};
struct Player
{
	char Name[20];
	int Score;
};
//===============================================
void AppMain()
{	
	LandscapeMode();
	gameState = MainMenu;
	MainMenu_Background_Img = ImageAdd("Images\\Background.png");
	View = ViewAdd(MainMenu_Background_Img,0,0);
}
//===============================================
void OnTimer()
{
	switch(gameState)
	{
	case MainMenu:
		
		break;
	case LevelSelect:

		break;
	case DifficultySelect:

		break;

	case CountDown:

		break;
	case GamePlaying:

		break;
	case GameEnd:

		break;
	case Options:

		break;
	case HighScores:

		break;
	case Credits:

		break;
	}
}
//===============================================
void AppExit()
{

}
//===============================================

Posted 7-Jul-12 21:53pm

shelby67

Updated 7-Jul-12 22:22pm

Sergey Alexandrovich Kryukov

v3

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Richard MacCutchan · Accepted Answer · 2012-07-07T23:44:00

Solution 2

C++

GameState gameState = MainMenu;

You are declaring a variable of type GameState but you have not told the compiler what a GameState is. you need to define the type before you try to use it. I would also recommend you read carefully the advice provided by Sergey Alexandrovich[^].

Posted 7-Jul-12 23:44pm

Richard MacCutchan

Comments

Sergey Alexandrovich Kryukov 8-Jul-12 13:43pm

This is possible, my 5.
--SA

Albert Holguin 9-Jul-12 13:04pm

That's the main problem... +5

Sergey Alexandrovich Kryukov · Accepted Answer · 2012-07-07T22:00:00

Solution 1

Remove this "typedef" and you will be fine. :-)

[EDIT #1]

Why are you writing something which you do not understand. Your typedef does not define a type, it simply introduces a new name for the type, an alias:

C#

typedef type_definition new_alias_name_for_this_type
//for example:
typedef int my_integer_type_I_want_to_use;

After you do it, you can use my_integer_type_I_want_to_use instead of int; and the purpose if this is: you can quickly change your decision to use int. For example, if you decide to use unsigned int instead, it can be done in one line where you define my_integer_type_I_want_to_use.

In your case, enum MyType { A, B } is already a complete type definition. If you use typedef before it (you could, but why?), this constructs needs an alias type name at the end, which is missing. Is it clear now?

Please see:
http://en.wikipedia.org/wiki/Typedef[^].

[EDIT #2]

Original question was about enum declaration: OP tried to define it with redundant typedef before enum. After my first answer, the question was changed.

—SA

Posted 7-Jul-12 22:00pm

Sergey Alexandrovich Kryukov

Updated 7-Jul-12 22:27pm

v3

Comments

shelby67 8-Jul-12 4:09am

still doesn't work. same error.

Sergey Alexandrovich Kryukov 8-Jul-12 4:10am

First understand what are you writing. Please see my update, after [EDIT].
--SA

Sergey Alexandrovich Kryukov 8-Jul-12 4:12am

And -- is it C++ or C?
(Forget it, I see it is C++, but the compiler message. Anyway, this is not nice: you ask about C++ and tag both C++ and C. Want us to do a guesswork?)
--SA

shelby67 8-Jul-12 4:12am

[Redundant code removed -- SA]

Sergey Alexandrovich Kryukov 8-Jul-12 4:16am

Should I count your lines? Comment the error message right on the line of your code, and put this code in the question using "Improve question" above.
--SA

Sergey Alexandrovich Kryukov 8-Jul-12 4:25am

Can you see that it has nothing to do with your original question about enum? This must be a bug in a header file. First of all, your forgot ";" at the end (it could be a class declaration).
--SA

shelby67 8-Jul-12 4:31am

NEEED HELP.
I don't think this has to do with the header file at all. I'm lead to believe this because if I open up a blank project and try to use an enum, I get the same error. And that's with out the header file.

Sergey Alexandrovich Kryukov 8-Jul-12 4:44am

You can think whatever you want...
--SA

Sergey Alexandrovich Kryukov 8-Jul-12 4:45am

Please listen. You cannot develop software by trial-and-error. You need to understand each line you are writing...
--SA

[no name] 8-Jul-12 9:24am

@shelby67
Don’t vote 1 only because you are not able to follow the instructions.

Sergey Alexandrovich Kryukov 8-Jul-12 13:40pm

Thank you.
--SA

[no name] 8-Jul-12 15:41pm

You’re welcome. I learned a lot from you and the others authorities (Richard MacCutchan, OriginalGriff , Wes Aday, several Kulkarni ;) and _a lot more_) here. At the beginning I think I was similar like shelby67, but with time I recognized, that I can learn here and I take this opportunity ;)
Regards, Bruno

Sergey Alexandrovich Kryukov 9-Jul-12 13:15pm

Thank you very much for your nice words, Bruno, as well as for your understanding, which is the most important thing.
--SA

Albert Holguin 9-Jul-12 13:07pm

People use typedefs a lot because they don't realize that it was used in C before to overcome the need to specify something as an enum... since they copy code off the net without knowing the purpose, you end up with these issues. +5 for the advice...

Sergey Alexandrovich Kryukov 9-Jul-12 13:14pm

Unfortunately, such things happen. That's why I mentioned in my argument to Shelby that she needs to understand each like she writes.
Thank you, Albert.
--SA