Do not create local variables in an abstract class inside OptimizationMethodVisitor, MethodNode forbids this.

2016-12-06 22:11:23 +03:00
parent 3b65cb1ef2
commit fc8cc217dc
1 changed files with 4 additions and 1 deletions
@@ -68,7 +68,10 @@ public abstract class TransformationMethodVisitor extends MethodVisitor {

            // In case of empty instructions list MethodNode.accept doesn't call visitLocalVariables of delegate
            // So we just do it here
-            if (methodNode.instructions.size() == 0) {
+            if (methodNode.instructions.size() == 0
+                // MethodNode does not create a list of variables for abstract methods, so we would get NPE in accept() instead
+                && (!(delegate instanceof MethodNode) || (methodNode.access & Opcodes.ACC_ABSTRACT) == 0)
+            ) {
                List<LocalVariableNode> localVariables = methodNode.localVariables;
                // visits local variables
                int n = localVariables == null ? 0 : localVariables.size();