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);
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: Object fetch(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 packedFetch(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.fetch(name);
4
            if (packedVFields != null) return packedVFields.fastFetch(name);
5
        }
5
        }
6
        return hashFetch(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 statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.7
    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);
    3
    return packedFetch(name);
    3
    return fastPackedFetch(name);
    Differences
    Expression1Expression2Difference
    packedFetchfastPackedFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method packedFetch
    Expression fastPackedFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method fastPackedFetch
    3
    return fastPackedFetch(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);
    6
    return packedVFields.fetch(name);
    6
    return packedVFields.fastFetch(name);
    Differences
    Expression1Expression2Difference
    fetchfastFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedVFields.fetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression packedVFields.fastFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    return packedVFields.fastFetch(name);
    7
    return hashFetch(name);
    7
    return hashFetch(name);
    7
    return fastHashFetch(name);
    Differences
    Expression1Expression2Difference
    hashFetchfastHashFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression hashFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method hashFetch
    7
    return fastHashFetch(name);
    Precondition Violations (5)
    Row Violation
    1Expression packedFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression fastPackedFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression packedVFields.fetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression packedVFields.fastFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression hashFetch(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted