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diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java @ 10756:7f6580db1e88

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Truffle: add assertions to verify the finalness of child fields.
author Andreas Woess <andreas.woess@jku.at>
date Mon, 15 Jul 2013 14:49:40 +0200
parents b221e31d7b0b
children 6e12e0ace0d5
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line diff
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java	Mon Jul 15 15:26:39 2013 +0200
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java	Mon Jul 15 14:49:40 2013 +0200
@@ -163,9 +163,11 @@
                 } else if (Node.class.isAssignableFrom(field.getType()) && field.getAnnotation(Child.class) != null) {
                     kind = NodeFieldKind.CHILD;
                     childOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
+                    assert !Modifier.isFinal(field.getModifiers()) : "child field must not be final (\"" + field.getName() + "\", " + clazz + ")";
                 } else if (field.getType().isArray() && Node.class.isAssignableFrom(field.getType().getComponentType()) && field.getAnnotation(Children.class) != null) {
                     kind = NodeFieldKind.CHILDREN;
                     childrenOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
+                    assert Modifier.isFinal(field.getModifiers()) : "children array field must be final (\"" + field.getName() + "\", " + clazz + ")";
                 } else {
                     kind = NodeFieldKind.DATA;
                 }