do { if (module.hasClassVariable(name)) { return module.storeClassVariable(name, value); } } while ((module = module.getSuperClass()) != null);
do { if (module.fastHasClassVariable(internedName)) { return module.fastStoreClassVariable(internedName, value); } } while ((module = module.getSuperClass()) != null);
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 setClassVar(String, IRubyObject) Method name: IRubyObject fastSetClassVar(String, IRubyObject)
Number of AST nodes: 3 Number of AST nodes: 3
1
do {
1
do {
2
            if (module.hasClassVariable(name)) {
2
            if (module.fastHasClassVariable(internedName)) {
3
                return module.storeClassVariable(name, value);
3
                return module.fastStoreClassVariable(internedName, value);
4
            }
4
            }
5
        } while ((module = module.getSuperClass()) != null);
5
        } while ((module = module.getSuperClass()) != null);
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)0.3
Clones locationClones are declared in the same class
Number of node comparisons5
  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)1.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    4
    do while((module = module.getSuperClass()) != null)
    5
    do while((module = module.getSuperClass()) != null)
    2
    if (module.hasClassVariable(name))
    2
    if (module.hasClassVariable(name))
    3
    if (module.fastHasClassVariable(internedName))
    Differences
    Expression1Expression2Difference
    hasClassVariablefastHasClassVariableMETHOD_INVOCATION_NAME_MISMATCH
    nameinternedNameVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression module.hasClassVariable(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression module.fastHasClassVariable(internedName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    if (module.fastHasClassVariable(internedName))
    3
    return module.storeClassVariable(name, value);
    3
    return module.storeClassVariable(name, value);
    4
    return module.fastStoreClassVariable(internedName, value);
    Differences
    Expression1Expression2Difference
    storeClassVariablefastStoreClassVariableMETHOD_INVOCATION_NAME_MISMATCH
    nameinternedNameVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression module.storeClassVariable(name,value) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression module.fastStoreClassVariable(internedName,value) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    return module.fastStoreClassVariable(internedName, value);
    Precondition Violations (4)
    Row Violation
    1Expression module.hasClassVariable(name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression module.fastHasClassVariable(internedName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression module.storeClassVariable(name,value) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression module.fastStoreClassVariable(internedName,value) cannot be parameterized, because it has dependencies to/from statements that will be extracted