if (other instanceof RubyFixnum) { return powerFixnum19(context, other); } else { return powerOther19(context, other); }
if (other instanceof RubyFixnum) { return multiplyFixnum(context, other); } else { return multiplyOther(context, other); }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyFixnum.java File path: /jruby-1.4.0/src/org/jruby/RubyFixnum.java
Method name: IRubyObject op_pow_19(ThreadContext, IRubyObject) Method name: IRubyObject op_mul(ThreadContext, IRubyObject)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (other instanceof RubyFixnum) {
1
if (other instanceof RubyFixnum) {
2
            return powerFixnum19(context, other);
2
            return multiplyFixnum(context, other);
3
        } else {
3
        } else {
4
            return powerOther19(context, other);
4
            return multiplyOther(context, other);
5
        }
5
        }
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)0.1
Clones locationClones are declared in the same class
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4701.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (other instanceof RubyFixnum)
    1
    if (other instanceof RubyFixnum)
    2
    return powerFixnum19(context, other);
    2
    return powerFixnum19(context, other);
    2
    return multiplyFixnum(context, other);
    Differences
    Expression1Expression2Difference
    powerFixnum19multiplyFixnumMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression powerFixnum19(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method powerFixnum19
    Expression multiplyFixnum(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method multiplyFixnum
    2
    return multiplyFixnum(context, other);
    else
    else
    3
    return powerOther19(context, other);
    3
    return powerOther19(context, other);
    3
    return multiplyOther(context, other);
    Differences
    Expression1Expression2Difference
    powerOther19multiplyOtherMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression powerOther19(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method powerOther19
    Expression multiplyOther(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method multiplyOther
    3
    return multiplyOther(context, other);
    Precondition Violations (4)
    Row Violation
    1Expression powerFixnum19(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression multiplyFixnum(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression powerOther19(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression multiplyOther(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted