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 fastPackedContains(name); } else if (USE_PACKED_FIELDS) { if (packedVFields != null) return packedVFields.fastContains(name); } return fastHashContains(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: boolean fastContains(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 fastPackedContains(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.fastContains(name);
5
        }
5
        }
6
        return hashContains(name);
6
        return fastHashContains(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)1.8
    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 packedContains(name);
    3
    return packedContains(name);
    3
    return fastPackedContains(name);
    Differences
    Expression1Expression2Difference
    packedContainsfastPackedContainsMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method packedContains
    Expression fastPackedContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method fastPackedContains
    3
    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.contains(name);
    6
    return packedVFields.contains(name);
    6
    return packedVFields.fastContains(name);
    Differences
    Expression1Expression2Difference
    containsfastContainsMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression packedVFields.contains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression packedVFields.fastContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    return packedVFields.fastContains(name);
    7
    return hashContains(name);
    7
    return hashContains(name);
    7
    return fastHashContains(name);
    Differences
    Expression1Expression2Difference
    hashContainsfastHashContainsMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression hashContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method hashContains
    7
    return fastHashContains(name);
    Precondition Violations (5)
    Row Violation
    1Expression packedContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression fastPackedContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression packedVFields.contains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression packedVFields.fastContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression hashContains(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted