Variable rv = m.getNewVariable(); m.addInstr(new GET_GLOBAL_VAR_Instr(rv, node.getName())); return rv;
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 buildGlobalVar(GlobalVarNode, IR_Scope) Method name: Operand buildNot(NotNode, IR_Scope)
Number of AST nodes: 3 Number of AST nodes: 3
1
Variable rv  = m.getNewVariable();
1
Variable ret = m.getNewVariable();
2
        m.addInstr(new GET_GLOBAL_VAR_Instr(rv, node.getName()));
2
        m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
3
        return rv;
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 statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Variable rv = m.getNewVariable();
    1
    Variable rv = m.getNewVariable();
    1
    Variable ret = m.getNewVariable();
    Differences
    Expression1Expression2Difference
    rvretVARIABLE_NAME_MISMATCH
    1
    Variable ret = m.getNewVariable();
    2
    m.addInstr(new GET_GLOBAL_VAR_Instr(rv, node.getName()));
    2
    m.addInstr(new GET_GLOBAL_VAR_Instr(rv, node.getName()));
    2
    m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
    Differences
    Expression1Expression2Difference
    org.jruby.compiler.ir.instructions.GET_GLOBAL_VAR_Instrorg.jruby.compiler.ir.instructions.ALU_InstrSUBCLASS_TYPE_MISMATCH
    new GET_GLOBAL_VAR_Instr(rv,node.getName())new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m))ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new GET_GLOBAL_VAR_Instr(rv,node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new GET_GLOBAL_VAR_Instr(rv,node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    m.addInstr(new ALU_Instr(Operation.NOT, ret, build(node.getConditionNode(), m)));
    3
    return rv;
    3
    return rv;
    3
    return ret;
    Differences
    Expression1Expression2Difference
    rvretVARIABLE_NAME_MISMATCH
    3
    return ret;
    Precondition Violations (4)
    Row Violation
    1Expression new GET_GLOBAL_VAR_Instr(rv,node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new GET_GLOBAL_VAR_Instr(rv,node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression new ALU_Instr(Operation.NOT,ret,build(node.getConditionNode(),m)) cannot be parameterized, because it has dependencies to/from statements that will be extracted