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 GET_FIELD_Instr(ret, m.getSelf(), node.getName())); 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 buildInstVar(InstVarNode, 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 GET_FIELD_Instr(ret, m.getSelf(), node.getName()));
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 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 ret = s.getNewVariable();
    1
    Variable ret = s.getNewVariable();
    1
    Variable ret = m.getNewVariable();
    Differences
    Expression1Expression2Difference
    smVARIABLE_NAME_MISMATCH
    1
    Variable ret = m.getNewVariable();
    2
    s.addInstr(new GET_CVAR_Instr(ret, new MetaObject(s), node.getName()));
    2
    s.addInstr(new GET_CVAR_Instr(ret, new MetaObject(s), node.getName()));
    2
    m.addInstr(new GET_FIELD_Instr(ret, m.getSelf(), node.getName()));
    Differences
    Expression1Expression2Difference
    org.jruby.compiler.ir.instructions.GET_CVAR_Instrorg.jruby.compiler.ir.instructions.GET_FIELD_InstrSUBCLASS_TYPE_MISMATCH
    new MetaObject(s)m.getSelf()TYPE_COMPATIBLE_REPLACEMENT
    org.jruby.ast.ClassVarNodeorg.jruby.ast.InstVarNodeSUBCLASS_TYPE_MISMATCH
    smVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression new GET_CVAR_Instr(ret,new MetaObject(s),node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new GET_FIELD_Instr(ret,m.getSelf(),node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression node cannot be unified with expression node , because common superclass org.jruby.ast.Node does not declare member(s) public java.lang.String getName()
    2
    m.addInstr(new GET_FIELD_Instr(ret, m.getSelf(), node.getName()));
    3
    return ret;
    3
    return ret;
    Precondition Violations (3)
    Row Violation
    1Expression new GET_CVAR_Instr(ret,new MetaObject(s),node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new GET_FIELD_Instr(ret,m.getSelf(),node.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression node cannot be unified with expression node , because common superclass org.jruby.ast.Node does not declare member(s) public java.lang.String getName()