if (USE_PACKED_ARRAY) { if (packedVTable != null) return packedContains(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.contains(name); } return hashContains(name);
if (USE_PACKED_ARRAY) { if (packedVTable != null) return fastPackedFetch(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.fastFetch(name); } return fastHashFetch(name);
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/runtime/builtin/InstanceVariableTable.java
Method name: boolean contains(String) Method name: Object fastFetch(String)
Number of AST nodes: 7 Number of AST nodes: 7
1
if (USE_PACKED_ARRAY) {
1
if (USE_PACKED_ARRAY) {
2
            if (packedVTable != null) return packedContains(name);
2
            if (packedVTable != null) return fastPackedFetch(name);
3
        } else if (USE_PACKED_FIELDS) {
3
        } else if (USE_PACKED_FIELDS) {
4
            if (packedVFields != null) return packedVFields.contains(name);
4
            if (packedVFields != null) return packedVFields.fastFetch(name);
5
        }
5
        }
6
        return hashContains(name);
6
        return fastHashFetch(name);
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)0.5
Clones locationClones are declared in the same class
Number of node comparisons16
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (USE_PACKED_ARRAY)
    1
    if (USE_PACKED_ARRAY)
    2
    if (packedVTable != null)
    2
    if (packedVTable != null)
                                                                    
    3
    return fastPackedFetch(name);
    Preondition Violations
    Unmatched statement return fastPackedFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return fastPackedFetch(name);
    3
    return fastPackedFetch(name);
    3
    return packedContains(name);
    3
    return packedContains(name);
    Preondition Violations
    Unmatched statement return packedContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedContains(name);
                                                                  
    4
    else if (USE_PACKED_FIELDS)
    4
    else if (USE_PACKED_FIELDS)
    5
    if (packedVFields != null)
    5
    if (packedVFields != null)
                                                                                    
    6
    return packedVFields.fastFetch(name);
    Preondition Violations
    Unmatched statement return packedVFields.fastFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedVFields.fastFetch(name);
    6
    return packedVFields.fastFetch(name);
    6
    return packedVFields.contains(name);
    6
    return packedVFields.contains(name);
    Preondition Violations
    Unmatched statement return packedVFields.contains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedVFields.contains(name);
                                                                                  
                                                                
    7
    return fastHashFetch(name);
    Preondition Violations
    Unmatched return fastHashFetch(name);
    7
    return fastHashFetch(name);
    7
    return hashContains(name);
    7
    return hashContains(name);
    Preondition Violations
    Unmatched return hashContains(name);
                                                              
    Precondition Violations (10)
    Row Violation
    1Unmatched statement return fastPackedFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched return fastPackedFetch(name);
    3Unmatched statement return packedContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return packedContains(name);
    5Unmatched statement return packedVFields.fastFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    6Unmatched return packedVFields.fastFetch(name);
    7Unmatched statement return packedVFields.contains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8Unmatched return packedVFields.contains(name);
    9Unmatched return fastHashFetch(name);
    10Unmatched return hashContains(name);