if (classProviders != null) { synchronized(classProviders) { RubyModule module; for (ClassProvider classProvider: classProviders) { if ((module = classProvider.defineModuleUnder(this, name)) != null) { return module; } } } } return null;
if (classProviders != null) { synchronized(classProviders) { RubyClass clazz; for (ClassProvider classProvider: classProviders) { if ((clazz = classProvider.defineClassUnder(this, name, superClazz)) != null) { return clazz; } } } } return 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: RubyModule searchProvidersForModule(String) Method name: RubyClass searchProvidersForClass(String, RubyClass)
Number of AST nodes: 7 Number of AST nodes: 7
1
if (classProviders != null) {
1
if (classProviders != null) {
2
            synchronized(classProviders) {
2
            synchronized(classProviders) {
3
                RubyModule module;
3
                RubyClass clazz;
4
                for (ClassProvider classProvider: classProviders) {
4
                for (ClassProvider classProvider: classProviders) {
5
                    if ((module = classProvider.defineModuleUnder(this, name)) != null) {
5
                    if ((clazz = classProvider.defineClassUnder(this, name, superClazz)) != null) {
6
                        return module;
6
                        return clazz;
7
                    }
7
                    }
8
                }
8
                }
9
            }
9
            }
10
        }
10
        }
11
        return null;
11
        return 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)0.6
Clones locationClones are declared in the same class
Number of node comparisons11
  1. {Non-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)1.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (classProviders != null)
    1
    if (classProviders != null)
    2
    synchronized (classProviders)
    2
    synchronized (classProviders)
    3
    RubyModule module;
    3
    RubyModule module;
    3
    RubyClass clazz;
    Differences
    Expression1Expression2Difference
    org.jruby.RubyModuleorg.jruby.RubyClassSUBCLASS_TYPE_MISMATCH
    moduleclazzVARIABLE_NAME_MISMATCH
    org.jruby.RubyModuleorg.jruby.RubyClassSUBCLASS_TYPE_MISMATCH
    3
    RubyClass clazz;
    4
    for (ClassProvider classProvider : classProviders)
    4
    for (ClassProvider classProvider : classProviders)
    5
    if ((module = classProvider.defineModuleUnder(this, name)) != null)
    5
    if ((module = classProvider.defineModuleUnder(this, name)) != null)
    5
    if ((clazz = classProvider.defineClassUnder(this, name, superClazz)) != null)
    Differences
    Expression1Expression2Difference
    moduleclazzVARIABLE_NAME_MISMATCH
    org.jruby.RubyModuleorg.jruby.RubyClassSUBCLASS_TYPE_MISMATCH
    defineModuleUnderdefineClassUnderMETHOD_INVOCATION_NAME_MISMATCH
    classProvider.defineModuleUnder(this,name)classProvider.defineClassUnder(this,name,superClazz)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression classProvider.defineModuleUnder(this,name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression classProvider.defineClassUnder(this,name,superClazz) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression classProvider.defineModuleUnder(this,name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression classProvider.defineClassUnder(this,name,superClazz) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    if ((clazz = classProvider.defineClassUnder(this, name, superClazz)) != null)
    6
    return module;
    6
    return module;
    6
    return clazz;
    Differences
    Expression1Expression2Difference
    moduleclazzVARIABLE_NAME_MISMATCH
    org.jruby.RubyModuleorg.jruby.RubyClassSUBCLASS_TYPE_MISMATCH
    6
    return clazz;
    2
    synchronized (classProviders)
    2
    synchronized (classProviders)
    7
    return null;
    7
    return null;
    Precondition Violations (4)
    Row Violation
    1Expression classProvider.defineModuleUnder(this,name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression classProvider.defineClassUnder(this,name,superClazz) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression classProvider.defineModuleUnder(this,name) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression classProvider.defineClassUnder(this,name,superClazz) cannot be parameterized, because it has dependencies to/from statements that will be extracted