Variable ret = m.getNewVariable(); m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m))); return ret;
if (cv == null) { Variable v = currScope.getNewVariable(); currScope.addInstr(new GET_CONST_Instr(v, s, name)); cv = v; }
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 buildNot(NotNode, IR_Scope) Method name: Operand loadConst(IR_Scope, IR_Scope, String)
Number of AST nodes: 3 Number of AST nodes: 4
1
Variable ret = m
1
if (cv == null) {
2
.getNewVariable();
2
            Variable v = currScope.getNewVariable();
3
        m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
3
            currScope.addInstr(new 
4
        return ret;
4
GET_CONST_Instr(v, s, name));
5
            cv = v;
6
        }
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 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)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Variable ret = m.getNewVariable();
    1
    Variable ret = m.getNewVariable();
    3
    Variable v = currScope.getNewVariable();
    Differences
    Expression1Expression2Difference
    retvVARIABLE_NAME_MISMATCH
    mcurrScopeVARIABLE_NAME_MISMATCH
    3
    Variable v = currScope.getNewVariable();
    2
    m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
    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
                                                                                                                                                                      
    3
    return ret;
                                
                                                                                                              
    4
    currScope.addInstr(new GET_CONST_Instr(v, s, name));
                    
    5
    cv = v;
    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