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fixed NPE

This commit is contained in:
Lars Kühne 2002-11-03 08:37:00 +00:00
parent 4945b82e6d
commit 1aa2134399
1 changed files with 7 additions and 2 deletions
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9
src/checkstyle/com/puppycrawl/tools/checkstyle/TreeWalker.java
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@ -130,8 +130,13 @@ class TreeWalker
{
mMessages.reset();
notifyBegin(aContents);
aAST.setParent(null);
process(aAST);
// empty files are not flagged by javac, will yield aAST == null
if (aAST != null) {
aAST.setParent(null);
process(aAST);
}
notifyEnd();
}