if (USE_PACKED_ARRAY) { if (packedVTable != null) return packedRemove(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.remove(name); } return hashRemove(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 remove(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 packedRemove(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.remove(name);
4
            if (packedVFields != null) return packedVFields.fastFetch(name);
5
        }
5
        }
6
        return hashRemove(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)0.6
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 packedRemove(name);
    3
    return packedRemove(name);
    3
    return fastPackedFetch(name);
    Differences
    Expression1Expression2Difference
    packedRemovefastPackedFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedRemove(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method packedRemove
    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.remove(name);
    6
    return packedVFields.remove(name);
    6
    return packedVFields.fastFetch(name);
    Differences
    Expression1Expression2Difference
    removefastFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedVFields.remove(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 hashRemove(name);
    7
    return hashRemove(name);
    7
    return fastHashFetch(name);
    Differences
    Expression1Expression2Difference
    hashRemovefastHashFetchMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression hashRemove(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method hashRemove
    7
    return fastHashFetch(name);
    Precondition Violations (5)
    Row Violation
    1Expression packedRemove(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.remove(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 hashRemove(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted