Double-semicolon in import statements

[John Spicer]

On Aug 2, 2013, at 12:57 PM, Alex Buckley <alex.buckley at oracle.com> wrote:

> Nope, the production is:
> 
> CompilationUnit:
>  PackageDeclarationopt ImportDeclarationsopt TypeDeclarationsopt
> 
> So that's a javac bug. (And a reason for minimizing undue flexibility in the language in the first place.)

I'm generally happier to ban things like extra semicolons, but it seems to me that "import x.y;;" should be allowed regardless of what follows.

FWIW, out front end does give the appropriate error, the rules just seem odd to me.

John.

> 
> Alex
> 
> On 8/1/2013 12:59 PM, Jeremy Manson wrote:
>> Alex,
>> 
>> What about the following, which also compiles?  Can you
>> have ImportDeclaration TypeDeclaration ImportDeclaration?
>> 
>> import java.util.HashMap;;
>> import java.util.LinkedList;
>> 
>> public class Semicolon {
>>   public static void main(String[] args) {
>>      System.out.println("This program should not compile");
>>   }
>> }
>>