if (backtrace == null) { initBacktrace(); } return backtrace;
if (encoding == null) { encoding = Encoding.load(encodingName); } return encoding;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyException.java File path: /jruby-1.4.0/src/org/jruby/util/KCode.java
Method name: IRubyObject getBacktrace() Method name: Encoding getEncoding()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (backtrace == null) {
1
if (encoding == null) {
2
            initBacktrace();
2
            encoding = Encoding.load(encodingName);
3
        }
3
        }
4
        return backtrace;
4
        return encoding;
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
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (backtrace == null)
    1
    if (backtrace == null)
    1
    if (encoding == null)
    Differences
    Expression1Expression2Difference
    backtraceencodingVARIABLE_NAME_MISMATCH
    org.jruby.runtime.builtin.IRubyObjectorg.jcodings.EncodingVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jruby.runtime.builtin.IRubyObject of variable backtrace does not match with type org.jcodings.Encoding of variable encoding
    • Make classes org.jruby.runtime.builtin.IRubyObject and org.jcodings.Encoding extend a common superclass
    1
    if (encoding == null)
                                                                                    
    2
    encoding = Encoding.load(encodingName);
    2
    initBacktrace();
                                          
                                          
    3
    return encoding;
    Preondition Violations
    Unmatched return encoding;
    3
    return encoding;
    3
    return backtrace;
    3
    return backtrace;
    Preondition Violations
    Unmatched return backtrace;
                                            
    Precondition Violations (3)
    Row Violation
    1Type org.jruby.runtime.builtin.IRubyObject of variable backtrace does not match with type org.jcodings.Encoding of variable encoding
    2Unmatched return encoding;
    3Unmatched return backtrace;