if (USE_PACKED_ARRAY) { if (packedVTable != null) return fastPackedContains(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.fastContains(name); } return fastHashContains(name);
if (USE_PACKED_ARRAY) { if (packedVTable != null) return packedFetch(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.fetch(name); } return hashFetch(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 fastContains(String) Method name: Object fetch(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 fastPackedContains(name);
2
            if (packedVTable != null) return packedFetch(name);
3
        } else if (USE_PACKED_FIELDS) {
3
        } else if (USE_PACKED_FIELDS) {
4
            if (packedVFields != null) return packedVFields.fastContains(name);
4
            if (packedVFields != null) return packedVFields.fetch(name);
5
        }
5
        }
6
        return fastHashContains(name);
6
        return hashFetch(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)1.0
    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 packedFetch(name);
    Preondition Violations
    Unmatched statement return packedFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedFetch(name);
    3
    return packedFetch(name);
    3
    return fastPackedContains(name);
    3
    return fastPackedContains(name);
    Preondition Violations
    Unmatched statement return fastPackedContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return fastPackedContains(name);
                                                                          
    4
    else if (USE_PACKED_FIELDS)
    4
    else if (USE_PACKED_FIELDS)
    5
    if (packedVFields != null)
    5
    if (packedVFields != null)
                                                                            
    6
    return packedVFields.fetch(name);
    Preondition Violations
    Unmatched statement return packedVFields.fetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedVFields.fetch(name);
    6
    return packedVFields.fetch(name);
    6
    return packedVFields.fastContains(name);
    6
    return packedVFields.fastContains(name);
    Preondition Violations
    Unmatched statement return packedVFields.fastContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return packedVFields.fastContains(name);
                                                                                          
                                                        
    7
    return hashFetch(name);
    Preondition Violations
    Unmatched return hashFetch(name);
    7
    return hashFetch(name);
    7
    return fastHashContains(name);
    7
    return fastHashContains(name);
    Preondition Violations
    Unmatched return fastHashContains(name);
                                                                      
    Precondition Violations (10)
    Row Violation
    1Unmatched statement return packedFetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched return packedFetch(name);
    3Unmatched statement return fastPackedContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return fastPackedContains(name);
    5Unmatched statement return packedVFields.fetch(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    6Unmatched return packedVFields.fetch(name);
    7Unmatched statement return packedVFields.fastContains(name); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8Unmatched return packedVFields.fastContains(name);
    9Unmatched return hashFetch(name);
    10Unmatched return fastHashContains(name);