if(other instanceof RubyFixnum) { return powerFixnum(context, other); } else { return powerOther(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(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 powerFixnum(context, other);
2
            return multiplyFixnum(context, other);
3
        } else {
3
        } else {
4
            return powerOther(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)6842.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (other instanceof RubyFixnum)
    1
    if (other instanceof RubyFixnum)
    2
    return powerFixnum(context, other);
    2
    return powerFixnum(context, other);
    2
    return multiplyFixnum(context, other);
    Differences
    Expression1Expression2Difference
    powerFixnummultiplyFixnumMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression powerFixnum(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method powerFixnum
    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 powerOther(context, other);
    3
    return powerOther(context, other);
    3
    return multiplyOther(context, other);
    Differences
    Expression1Expression2Difference
    powerOthermultiplyOtherMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression powerOther(context,other) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method powerOther
    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 powerFixnum(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 powerOther(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