try { JavaMethod msm = (JavaMethod)clone(); return msm; } catch (CloneNotSupportedException cnse) { return null; }
try { CompiledMethod msm = (CompiledMethod)clone(); return msm; } catch (CloneNotSupportedException cnse) { return null; }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/internal/runtime/methods/JavaMethod.java File path: /jruby-1.4.0/src/org/jruby/internal/runtime/methods/CompiledMethod.java
Method name: DynamicMethod dup() Method name: DynamicMethod dup()
Number of AST nodes: 3 Number of AST nodes: 3
1
try {
1
try {
2
            JavaMethod msm = (JavaMethod)clone();
2
            CompiledMethod msm = (CompiledMethod)clone();
3
            return msm;
3
            return msm;
4
        } catch (CloneNotSupportedException cnse) {
4
        } catch (CloneNotSupportedException cnse) {
5
            return null;
5
            return null;
6
        }
6
        }
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)0.2
Clones locationClones are in different classes having the same super 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)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    2
    JavaMethod msm = (JavaMethod)clone();
    2
    JavaMethod msm = (JavaMethod)clone();
    2
    CompiledMethod msm = (CompiledMethod)clone();
    Differences
    Expression1Expression2Difference
    org.jruby.internal.runtime.methods.JavaMethodorg.jruby.internal.runtime.methods.CompiledMethodSUBCLASS_TYPE_MISMATCH
    org.jruby.internal.runtime.methods.JavaMethodorg.jruby.internal.runtime.methods.CompiledMethodSUBCLASS_TYPE_MISMATCH
    org.jruby.internal.runtime.methods.JavaMethodorg.jruby.internal.runtime.methods.CompiledMethodSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (JavaMethod)clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    Expression (CompiledMethod)clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2
    CompiledMethod msm = (CompiledMethod)clone();
    3
    return msm;
    3
    return msm;
    3
    return msm;
    Differences
    Expression1Expression2Difference
    org.jruby.internal.runtime.methods.JavaMethodorg.jruby.internal.runtime.methods.CompiledMethodSUBCLASS_TYPE_MISMATCH
    3
    return msm;
    Precondition Violations (2)
    Row Violation
    1Expression (JavaMethod)clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2Expression (CompiledMethod)clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted