String internedName = validateClassVariable(name.asJavaString()); IRubyObject value; if ((value = deleteClassVariable(internedName)) != null) { return value; } if (fastIsClassVarDefined(internedName)) { throw cannotRemoveError(internedName); } throw getRuntime().newNameError("class variable " + internedName + " not defined for " + getName(), internedName);
String javaName = validateClassVariable(name.asJavaString()); IRubyObject value; if ((value = deleteClassVariable(javaName)) != null) { return value; } if (fastIsClassVarDefined(javaName)) { throw cannotRemoveError(javaName); } throw context.getRuntime().newNameError("class variable " + javaName + " not defined for " + getName(), javaName);
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyModule.java File path: /jruby-1.4.0/src/org/jruby/RubyModule.java
Method name: IRubyObject removeCvar(IRubyObject) Method name: IRubyObject remove_class_variable(ThreadContext, IRubyObject)
Number of AST nodes: 7 Number of AST nodes: 7
1
String internedName = validateClassVariable(name.asJavaString());
1
String javaName = validateClassVariable(name.asJavaString());
2
        IRubyObject value;
2
        IRubyObject value;
3
        if ((value = deleteClassVariable(internedName)) != null) {
3
        if ((value = deleteClassVariable(javaName)) != null) {
4
            return value;
4
            return value;
5
        }
5
        }
6
        if (fastIsClassVarDefined(internedName)) {
6
        if (fastIsClassVarDefined(javaName)) {
7
            throw cannotRemoveError(internedName);
7
            throw cannotRemoveError(javaName);
8
        }
8
        }
9
        throw getRuntime().newNameError("class variable " + internedName + " not defined for " + getName(), internedName);
9
        throw context.getRuntime().newNameError("class variable " + javaName + " not defined for " + getName(), javaName);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.5
Clones locationClones are declared in the same class
Number of node comparisons22
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    String internedName = validateClassVariable(name.asJavaString());
    1
    String internedName = validateClassVariable(name.asJavaString());
    1
    String javaName = validateClassVariable(name.asJavaString());
    Differences
    Expression1Expression2Difference
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    1
    String javaName = validateClassVariable(name.asJavaString());
    2
    IRubyObject value;
    2
    IRubyObject value;
    3
    if ((value = deleteClassVariable(internedName)) != null)
    3
    if ((value = deleteClassVariable(internedName)) != null)
    3
    if ((value = deleteClassVariable(javaName)) != null)
    Differences
    Expression1Expression2Difference
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    3
    if ((value = deleteClassVariable(javaName)) != null)
    4
    return value;
    4
    return value;
    5
    if (fastIsClassVarDefined(internedName))
    5
    if (fastIsClassVarDefined(internedName))
    5
    if (fastIsClassVarDefined(javaName))
    Differences
    Expression1Expression2Difference
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    5
    if (fastIsClassVarDefined(javaName))
    6
    throw cannotRemoveError(internedName);
    6
    throw cannotRemoveError(internedName);
    6
    throw cannotRemoveError(javaName);
    Differences
    Expression1Expression2Difference
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    6
    throw cannotRemoveError(javaName);
    7
    throw getRuntime().newNameError("class variable " + internedName + " not defined for " + getName(), internedName);
    7
    throw getRuntime().newNameError("class variable " + internedName + " not defined for " + getName(), internedName);
    7
    throw context.getRuntime().newNameError("class variable " + javaName + " not defined for " + getName(), javaName);
    Differences
    Expression1Expression2Difference
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    internedNamejavaNameVARIABLE_NAME_MISMATCH
    contextMISSING_METHOD_INVOCATION_EXPRESSION
    7
    throw context.getRuntime().newNameError("class variable " + javaName + " not defined for " + getName(), javaName);
    Precondition Violations (0)
    Row Violation