ASTDiff: Fix NPE

tsantalis · Oct 2, 2024 · 9055f39 · 9055f39
1 parent f8d5900
commit 9055f39
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/refactoringminer/astDiff/matchers/wrappers/CommentMatcher.java b/src/main/java/org/refactoringminer/astDiff/matchers/wrappers/CommentMatcher.java
@@ -20,7 +20,7 @@ public CommentMatcher(UMLCommentListDiff commonComment) {
 
     @Override
     public void match(Tree srcTree, Tree dstTree, ExtendedMultiMappingStore mappingStore) {
-        if (commentListDiff.getCommonComments() != null) {
+        if (commentListDiff != null) {
             for (Pair<UMLComment, UMLComment> commonComment : commentListDiff.getCommonComments()) {
                 Tree srcComment = TreeUtilFunctions.findByLocationInfo(srcTree, commonComment.getLeft().getLocationInfo());
                 Tree dstComment = TreeUtilFunctions.findByLocationInfo(dstTree, commonComment.getRight().getLocationInfo());