Variable ret = s.getNewVariable(); s.addInstr(new GET_CVAR_Instr(ret, new MetaObject(s), node.getName())); return ret;
Variable ret = m.getNewVariable(); m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m))); return ret;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/compiler/ir/IR_Builder.java File path: /jruby-1.4.0/src/org/jruby/compiler/ir/IR_Builder.java
Method name: Operand buildClassVar(ClassVarNode, IR_Scope) Method name: Operand buildNot(NotNode, IR_Scope)
Number of AST nodes: 3 Number of AST nodes: 3
1
Variable ret = s.getNewVariable();
1
Variable ret = m.getNewVariable();
2
        s.addInstr(new GET_CVAR_Instr(ret, new MetaObject(s), node.getName()));
2
        m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
3
        return ret;
3
        return ret;
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 declared in the same 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
    Variable ret = s.getNewVariable();
    1
    Variable ret = s.getNewVariable();
    1
    Variable ret = m.getNewVariable();
    Differences
    Expression1Expression2Difference
    smVARIABLE_NAME_MISMATCH
    1
    Variable ret = m.getNewVariable();
                                                                                                                                                                      
    2
    m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
    Preondition Violations
    Unmatched statement m.addInstr(new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m))); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
    2
    s.addInstr(new GET_CVAR_Instr(ret, new MetaObject(s), node.getName()));
                                                                                                                                                    
    3
    return ret;
    3
    return ret;
    Precondition Violations (1)
    Row Violation
    1Unmatched statement m.addInstr(new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m))); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted