ilooner commented on a change in pull request #1415: DRILL-6656: Disallow extra
semicolons in import statements.
URL: https://github.com/apache/drill/pull/1415#discussion_r207648664
##########
File path: src/main/resources/checkstyle-config.xml
##########
@@ -35,11 +35,26 @@
<module name="AvoidStarImport"/>
<module name="NeedBraces"/>
+ <module name="EmptyStatement"/>
</module>
<module name="FileTabCharacter"/>
+ <!--
+ Due to a bug in openjdk 7 and 8, extra semicolons in import statements are
allowed. However, these extra semicolons can cause compilation failures with
other java
+ distributions since they are technically disallowed by the java spec.
These two regexes prevent extra semicolons in import statements. As an extra
side-effect they also
+ disallow certain usages of semicolons elsewhere in the body of a java
file. But we are okay with disallowing strange placement of semicolons in those
other cases.
+ -->
+ <module name="RegexpSingleline">
+ <property name="format" value=";\s*;$"/>
+ <property name="message" value="A line of code cannot end with multiple
semicolons."/>
+ </module>
+ <module name="RegexpSingleline">
Review comment:
Looks like NoWhitespaceBefore does work for imports so it works for these
cases:
```
import com.mystuff.MyClass; ;
```
or
```
import com.mystuff.MyClass;
;
```
But I will still have to add a regex to detect this
```
import com.stuff.MyClass;;
```
None of the existing checks you mentioned catch this. Thanks for pointing
these things out, it makes things much cleaner.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
