switch (args.length) { case 1: return fetch(context, args[0], block); case 2: return fetch(context, args[0], args[1], block); default: Arity.raiseArgumentError(getRuntime(), args.length, 1, 2); return null; // not reached }
switch (args.length) { case 1: return sub_bang(context, args[0], block); case 2: return sub_bang(context, args[0], args[1], block); default:Arity.raiseArgumentError(context.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/RubyArray.java File path: /jruby-1.4.0/src/org/jruby/RubyString.java
Method name: IRubyObject fetch(ThreadContext, IRubyObject[], Block) Method name: IRubyObject sub_bang(ThreadContext, IRubyObject[], Block)
Number of AST nodes: 8 Number of AST nodes: 8
1
switch (args.length) {
1
switch (args.length) {
2
        case 1:
2
        case 1:
3
            return fetch(context, args[0], block);
3
 return sub_bang(context, args[0], block);
4
        case 2:
4
        case 2:
5
            return fetch(context, args[0], args[1], block);
5
 return sub_bang(context, args[0], args[1], block);
6
        default:
6
        default:
7
            Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
7
Arity.raiseArgumentError(context.getRuntime(), args.length, 1, 2);
8
            return null; // not reached
8
 return null; // not reached
9
        }
9
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons34
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)44.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    switch (args.length)
    1
    switch (args.length)
    2
    case 1:
    2
    case 1:
    3
    return fetch(context, args[0], block);
    3
    return fetch(context, args[0], block);
    3
    return sub_bang(context, args[0], block);
    Differences
    Expression1Expression2Difference
    fetchsub_bangMETHOD_INVOCATION_NAME_MISMATCH
    3
    return sub_bang(context, args[0], block);
    4
    case 2:
    4
    case 2:
    5
    return fetch(context, args[0], args[1], block);
    5
    return fetch(context, args[0], args[1], block);
    5
    return sub_bang(context, args[0], args[1], block);
    Differences
    Expression1Expression2Difference
    fetchsub_bangMETHOD_INVOCATION_NAME_MISMATCH
    5
    return sub_bang(context, args[0], args[1], block);
    6
    default:
    6
    default:
    7
    Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
    7
    Arity.raiseArgumentError(getRuntime(), args.length, 1, 2);
    7
    Arity.raiseArgumentError(context.getRuntime(), args.length, 1, 2);
    Differences
    Expression1Expression2Difference
    contextMISSING_METHOD_INVOCATION_EXPRESSION
    7
    Arity.raiseArgumentError(context.getRuntime(), args.length, 1, 2);
    8
    return null;
    8
    return null;
    Precondition Violations (0)
    Row Violation