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_r207647981
##########
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">
Review comment:
EmptyStatement and OneStatementPerLine don't work for imports so we still
need to add a somewhat redundant regex for detecting `;;` in imports.
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