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authoraclement <aclement>2004-08-05 10:39:22 +0000
committeraclement <aclement>2004-08-05 10:39:22 +0000
commit2da95deb4e044b41973ac42fa1c39620d3a49ebb (patch)
treee3911f83ddc095bd500de18e9277da5188ea0be6
parent81b5b1d6d34d5277d6595b5810300d6b8cd7f833 (diff)
downloadaspectj-2da95deb4e044b41973ac42fa1c39620d3a49ebb.tar.gz
aspectj-2da95deb4e044b41973ac42fa1c39620d3a49ebb.zip
guard for NPE.
-rw-r--r--asm/src/org/aspectj/asm/internal/ProgramElement.java2
1 files changed, 2 insertions, 0 deletions
diff --git a/asm/src/org/aspectj/asm/internal/ProgramElement.java b/asm/src/org/aspectj/asm/internal/ProgramElement.java
index 913a1cebc..ef4b28507 100644
--- a/asm/src/org/aspectj/asm/internal/ProgramElement.java
+++ b/asm/src/org/aspectj/asm/internal/ProgramElement.java
@@ -353,10 +353,12 @@ public class ProgramElement implements IProgramElement {
// }
public IProgramElement walk(HierarchyWalker walker) {
+ if (children!=null) {
for (Iterator it = children.iterator(); it.hasNext(); ) {
IProgramElement child = (IProgramElement)it.next();
walker.process(child);
}
+ }
return this;
}