if (USE_PACKED_FIELDS) { if (packedVFields != null) { packedVFields.visit(visitor); return; } }
synchronized (finalizersMutex) { if (finalizers != null) { finalizers.remove(finalizer); } }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/runtime/builtin/InstanceVariableTable.java File path: /jruby-1.4.0/src/org/jruby/Ruby.java
Method name: void visit(Visitor) Method name: void removeFinalizer(Finalizable)
Number of AST nodes: 4 Number of AST nodes: 3
1
if (USE_PACKED_FIELDS) {
1
synchronized (finalizersMutex) {
2
            if (packedVFields != null) {
2
            if (finalizers != null) {
3
                packedVFields.visit(visitor);
3
                
4
                return;
4
finalizers.remove(finalizer);
5
            }
5
            }
6
        }
6
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes
Number of node comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    8
    if (packedVFields != null)
    8
    if (packedVFields != null)
    2
    if (finalizers != null)
    Differences
    Expression1Expression2Difference
    packedVFieldsfinalizersVARIABLE_NAME_MISMATCH
    org.jruby.runtime.builtin.InstanceVariableTable.PackedFieldsjava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jruby.runtime.builtin.InstanceVariableTable.PackedFields of variable packedVFields does not match with type java.util.Map<org.jruby.Finalizable,java.lang.Object> of variable finalizers
    • Make classes org.jruby.runtime.builtin.InstanceVariableTable.PackedFields and java.util.Map extend a common superclass
    2
    if (finalizers != null)
                                                                    
    3
    finalizers.remove(finalizer);
    9
    packedVFields.visit(visitor);
                                                                    
    10
    return;
    10
    return;
    Preondition Violations
    Unmatched return;
                          
    Precondition Violations (2)
    Row Violation
    1Type org.jruby.runtime.builtin.InstanceVariableTable.PackedFields of variable packedVFields does not match with type java.util.Map<org.jruby.Finalizable,java.lang.Object> of variable finalizers
    2Unmatched return;