byte[] array = new byte[count]; io.get(offset, array, 0, array.length); RubyArray arr = RubyArray.newArray(runtime, array.length); for (int i = 0; i < array.length; ++i) { arr.add(Util.newUnsigned8(runtime, array[i])); } return arr;
int[] array = new int[count]; io.get(offset, array, 0, array.length); RubyArray arr = RubyArray.newArray(runtime, array.length); for (int i = 0; i < array.length; ++i) { arr.add(Util.newUnsigned32(runtime, array[i])); } return arr;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/ext/ffi/MemoryUtil.java File path: /jruby-1.4.0/src/org/jruby/ext/ffi/MemoryUtil.java
Method name: IRubyObject getArrayOfUnsigned8(Ruby, MemoryIO, long, int) Method name: IRubyObject getArrayOfUnsigned32(Ruby, MemoryIO, long, int)
Number of AST nodes: 6 Number of AST nodes: 6
1
byte[] array = new byte[count];
1
int[] array = new int[count];
2
        io.get(offset, array, 0, array.length);
2
        io.get(offset, array, 0, array.length);
3
        RubyArray arr = RubyArray.newArray(runtime, array.length);
3
        RubyArray arr = RubyArray.newArray(runtime, array.length);
4
        for (int i = 0; i < array.length; ++i) {
4
        for (int i = 0; i < array.length; ++i) {
5
            arr.add(Util.newUnsigned8(runtime, array[i]));
5
            arr.add(Util.newUnsigned32(runtime, array[i]));
6
        }
6
        }
7
        return arr;
7
        return arr;
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 declared in the same class
Number of node comparisons20
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                
    1
    int[] array = new int[count];
    1
    byte[] array = new byte[count];
                                                                    
    2
    io.get(offset, array, 0, array.length);
    2
    io.get(offset, array, 0, array.length);
    2
    io.get(offset, array, 0, array.length);
    Differences
    Expression1Expression2Difference
    byte[]int[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte[] of variable array does not match with type int[] of variable array
    • Make classes byte[] and int[] extend a common superclass
    2
    io.get(offset, array, 0, array.length);
    3
    RubyArray arr = RubyArray.newArray(runtime, array.length);
    3
    RubyArray arr = RubyArray.newArray(runtime, array.length);
    3
    RubyArray arr = RubyArray.newArray(runtime, array.length);
    Differences
    Expression1Expression2Difference
    byte[]int[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte[] of variable array does not match with type int[] of variable array
    • Make classes byte[] and int[] extend a common superclass
    3
    RubyArray arr = RubyArray.newArray(runtime, array.length);
    4
    for (int i = 0; i < array.length; ++i)
    4
    for (int i = 0; i < array.length; ++i)
    4
    for (int i = 0; i < array.length; ++i)
    Differences
    Expression1Expression2Difference
    byte[]int[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte[] of variable array does not match with type int[] of variable array
    • Make classes byte[] and int[] extend a common superclass
    4
    for (int i = 0; i < array.length; ++i)
    5
    arr.add(Util.newUnsigned8(runtime, array[i]));
    5
    arr.add(Util.newUnsigned8(runtime, array[i]));
    5
    arr.add(Util.newUnsigned32(runtime, array[i]));
    Differences
    Expression1Expression2Difference
    newUnsigned8newUnsigned32METHOD_INVOCATION_NAME_MISMATCH
    byte[]int[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression Util.newUnsigned8(runtime,array[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression Util.newUnsigned32(runtime,array[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte[] of variable array does not match with type int[] of variable array
    • Make classes byte[] and int[] extend a common superclass
    5
    arr.add(Util.newUnsigned32(runtime, array[i]));
    6
    return arr;
    6
    return arr;
    Precondition Violations (6)
    Row Violation
    1Type byte[] of variable array does not match with type int[] of variable array
    2Type byte[] of variable array does not match with type int[] of variable array
    3Type byte[] of variable array does not match with type int[] of variable array
    4Expression Util.newUnsigned8(runtime,array[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression Util.newUnsigned32(runtime,array[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type byte[] of variable array does not match with type int[] of variable array