BigInteger bigint = bigIntegers[index]; if (bigint == null) return bigIntegers[index] = new BigInteger(pattern, 16); return bigint;
RubySymbol symbol = symbols[index]; if (symbol == null) return symbols[index] = runtime.newSymbol(name); return symbol;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/ast/executable/AbstractScript.java File path: /jruby-1.4.0/src/org/jruby/ast/executable/AbstractScript.java
Method name: BigInteger getBigInteger(Ruby, int, String) Method name: RubySymbol getSymbol(Ruby, int, String)
Number of AST nodes: 4 Number of AST nodes: 4
1
BigInteger bigint = bigIntegers[index];
1
RubySymbol symbol = symbols[index];
2
            if (bigint == null) return bigIntegers[index] = new BigInteger(pattern, 16);
2
            if (symbol == null) return symbols[index] = runtime.newSymbol(name);
3
            return bigint;
3
            return symbol;
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 comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                            
    1
    RubySymbol symbol = symbols[index];
    1
    BigInteger bigint = bigIntegers[index];
                                                                                    
    2
    if (bigint == null)
    2
    if (bigint == null)
    2
    if (symbol == null)
    Differences
    Expression1Expression2Difference
    bigintsymbolVARIABLE_NAME_MISMATCH
    java.math.BigIntegerorg.jruby.RubySymbolVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.math.BigInteger of variable bigint does not match with type org.jruby.RubySymbol of variable symbol
    • Make classes java.math.BigInteger and org.jruby.RubySymbol extend a common superclass
    2
    if (symbol == null)
                                                                                                      
    3
    return symbols[index] = runtime.newSymbol(name);
    Preondition Violations
    Unmatched return symbols[index]=runtime.newSymbol(name);
    3
    return symbols[index] = runtime.newSymbol(name);
    3
    return bigIntegers[index] = new BigInteger(pattern, 16);
    3
    return bigIntegers[index] = new BigInteger(pattern, 16);
    Preondition Violations
    Unmatched return bigIntegers[index]=new BigInteger(pattern,16);
                                                                                                                    
                                      
    4
    return symbol;
    Preondition Violations
    Unmatched return symbol;
    4
    return symbol;
    4
    return bigint;
    4
    return bigint;
    Preondition Violations
    Unmatched return bigint;
                                      
    Precondition Violations (5)
    Row Violation
    1Type java.math.BigInteger of variable bigint does not match with type org.jruby.RubySymbol of variable symbol
    2Unmatched return symbols[index]=runtime.newSymbol(name);
    3Unmatched return bigIntegers[index]=new BigInteger(pattern,16);
    4Unmatched return symbol;
    5Unmatched return bigint;