switch (args.length) { case 1: return iconv(args[0]); case 2: return iconv(args[0], args[1]); case 3: return iconv(args[0], args[1], args[2]); default: Arity.raiseArgumentError(getRuntime(), args.length, 1, 2); return null; // not reached }
switch (args.length) { case 1: return op_aref(args[0]); case 2: return op_aref(args[0], args[1]); default: Arity.raiseArgumentError(getRuntime(), args.length, 1, 2); return null; // not reached }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyIconv.java File path: /jruby-1.4.0/src/org/jruby/RubyMatchData.java
Method name: IRubyObject iconv(IRubyObject[]) Method name: IRubyObject op_aref(IRubyObject[])
Number of AST nodes: 10 Number of AST nodes: 8
1
switch (args.length) {
1
switch (args.length) {
2
        case 1:
2
        case 1:
3
            return iconv(args[0]);
3
            return op_aref(args[0]);
4
        case 2:
4
        case 2:
5
            return iconv(args[0], args[1]);
5
            return 
6
        case 3:
7
            return iconv(args[0], args[1], args[2]);
6
op_aref(args[0], args[1]);
8
        default:
7
        default:
9
            Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
8
            Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
10
            return null; // not reached
9
            return null; // not reached
11
        }
10
        }
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 in different classes having the same super class
Number of node comparisons37
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    switch (args.length)
    1
    switch (args.length)
    2
    case 1:
    2
    case 1:
    3
    return iconv(args[0]);
    3
    return iconv(args[0]);
    3
    return op_aref(args[0]);
    Differences
    Expression1Expression2Difference
    iconvop_arefMETHOD_INVOCATION_NAME_MISMATCH
    3
    return op_aref(args[0]);
    4
    case 2:
    4
    case 2:
    5
    return iconv(args[0], args[1]);
    5
    return iconv(args[0], args[1]);
    5
    return op_aref(args[0], args[1]);
    Differences
    Expression1Expression2Difference
    iconvop_arefMETHOD_INVOCATION_NAME_MISMATCH
    5
    return op_aref(args[0], args[1]);
    6
    case 3:
                        
    7
    return iconv(args[0], args[1], args[2]);
    7
    return iconv(args[0], args[1], args[2]);
    8
    return null;
    Differences
    Expression1Expression2Difference
    iconv(args[0],args[1],args[2])nullTYPE_COMPATIBLE_REPLACEMENT
    8
    return null;
    8
    default:
    6
    default:
    9
    Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
    7
    Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
    10
    return null;
    10
    return null;
    Preondition Violations
    Unmatched return null;
                                    
    Precondition Violations (1)
    Row Violation
    1Unmatched return null;