check(); checkLazyRegexp(); return regexp.names(context);
modify(); setComparedByIdentity(true); return this;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyMatchData.java File path: /jruby-1.4.0/src/org/jruby/RubyHash.java
Method name: IRubyObject names(ThreadContext, Block) Method name: IRubyObject getCompareByIdentity(ThreadContext)
Number of AST nodes: 3 Number of AST nodes: 3
1
check();
1
modify();
2
        checkLazyRegexp();
2
        
3
        return regexp.names(context)
3
setComparedByIdentity(true);
4
;
4
        return this;
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)0.0
Clones locationClones are in different classes having the same super class
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    check();
    1
    check();
    1
    modify();
    Differences
    Expression1Expression2Difference
    checkmodifyMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression check() is a void method call, and thus it cannot be parameterized
    Expression modify() is a void method call, and thus it cannot be parameterized
    1
    modify();
    2
    checkLazyRegexp();
    2
    checkLazyRegexp();
    2
    setComparedByIdentity(true);
    Differences
    Expression1Expression2Difference
    checkLazyRegexpsetComparedByIdentityMETHOD_INVOCATION_NAME_MISMATCH
    checkLazyRegexp()setComparedByIdentity(true)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression checkLazyRegexp() is a void method call, and thus it cannot be parameterized
    Expression setComparedByIdentity(true) is a void method call, and thus it cannot be parameterized
    Expression checkLazyRegexp() is a void method call, and thus it cannot be parameterized
    Expression setComparedByIdentity(true) is a void method call, and thus it cannot be parameterized
    2
    setComparedByIdentity(true);
                                  
    3
    return this;
    Preondition Violations
    Unmatched return this;
    3
    return this;
    3
    return regexp.names(context);
                                                                    
    Precondition Violations (7)
    Row Violation
    1Expression check() is a void method call, and thus it cannot be parameterized
    2Expression modify() is a void method call, and thus it cannot be parameterized
    3Expression checkLazyRegexp() is a void method call, and thus it cannot be parameterized
    4Expression setComparedByIdentity(true) is a void method call, and thus it cannot be parameterized
    5Expression checkLazyRegexp() is a void method call, and thus it cannot be parameterized
    6Expression setComparedByIdentity(true) is a void method call, and thus it cannot be parameterized
    7Unmatched return this;