assert IdUtil.isClassVariable(name); ensureClassVariablesSettable(); return getClassVariablesForRead().remove(name);
assert IdUtil.isConstant(name); ensureConstantsSettable(); return constantTableRemove(name);
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 deleteClassVariable(String) Method name: IRubyObject deleteConstant(String)
Number of AST nodes: 3 Number of AST nodes: 3
1
assert IdUtil.isClassVariable(name);
1
assert IdUtil.isConstant(name);
2
        ensureClassVariablesSettable();
2
        ensureConstantsSettable();
3
        return getClassVariablesForRead().remove(name);
3
        return constantTableRemove(name);
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
    assert IdUtil.isClassVariable(name);
    1
    assert IdUtil.isClassVariable(name);
    1
    assert IdUtil.isConstant(name);
    Differences
    Expression1Expression2Difference
    isClassVariableisConstantMETHOD_INVOCATION_NAME_MISMATCH
    1
    assert IdUtil.isConstant(name);
    2
    ensureClassVariablesSettable();
    2
    ensureClassVariablesSettable();
    2
    ensureConstantsSettable();
    Differences
    Expression1Expression2Difference
    ensureClassVariablesSettableensureConstantsSettableMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression ensureClassVariablesSettable() is a void method call, and thus it cannot be parameterized
    Expression ensureConstantsSettable() is a void method call, and thus it cannot be parameterized
    2
    ensureConstantsSettable();
    3
    return getClassVariablesForRead().remove(name);
    3
    return getClassVariablesForRead().remove(name);
    3
    return constantTableRemove(name);
    Differences
    Expression1Expression2Difference
    removeconstantTableRemoveMETHOD_INVOCATION_NAME_MISMATCH
    getClassVariablesForRead()MISSING_METHOD_INVOCATION_EXPRESSION
    3
    return constantTableRemove(name);
    Precondition Violations (2)
    Row Violation
    1Expression ensureClassVariablesSettable() is a void method call, and thus it cannot be parameterized
    2Expression ensureConstantsSettable() is a void method call, and thus it cannot be parameterized