for ( ; i < buflen ; ) { switch(ival = bytes[i++]) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': chars[offset++] = (char)ival; lastValidOffset = offset; break; // switch case 'e': case 'E': state = SEXP; break states; case '_': break; // switch default: state = SCOMPLETE; break states; } // switch }
for ( ; i < buflen; ) { switch(ival = bytes[i++]) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': chars[offset++] = (char)ival; lastValidOffset = offset; break; case '_': break; default: state = SCOMPLETE; break states; } }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/util/Convert.java File path: /jruby-1.4.0/src/org/jruby/util/Convert.java
Method name: double byteArrayToDouble(byte[], int, int, boolean) Method name: double byteArrayToDouble(byte[], int, int, boolean)
Number of AST nodes: 24 Number of AST nodes: 20
1
for ( ; i < buflen ; ) {
1
for ( ; i < buflen; ) {
2
                    switch(ival = bytes[i++]) {
2
                    switch(ival = bytes[i++]) {
3
                    case '0': case '1': case '2': case '3': case '4':
3
                    case '0': case '1': case '2': case '3': case '4':
4
                    case '5': case '6': case '7': case '8': case '9':
4
                    case '5': case '6': case '7': case '8': case '9':
5
                        chars[offset++] = (char)ival;
5
                        chars[offset++] = (char)ival;
6
                        lastValidOffset = offset;
6
                        lastValidOffset = offset;
7
                        break; // switch
7
                        break;
8
                    case 'e':
9
                    case 'E':
10
                        state = SEXP;
11
                        break states;
12
                    case '_':
8
                    case '_':
13
                        break; // switch
9
                        break;
14
                    default:
10
                    default:
15
                        state = SCOMPLETE;
11
                        state = SCOMPLETE;
16
                        break states;
12
                        break states;
17
                    } // switch
13
                    }
18
                }
14
                }
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)0.8
Clones locationClones are in the same method
Number of node comparisons193
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements20
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)16.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    538
    for (; i < buflen; )
    578
    for (; i < buflen; )
    539
    switch (ival = bytes[i++])
    579
    switch (ival = bytes[i++])
    540
    case '0':
    580
    case '0':
    541
    case '1':
    581
    case '1':
    542
    case '2':
    582
    case '2':
    543
    case '3':
    583
    case '3':
    544
    case '4':
    584
    case '4':
    545
    case '5':
    585
    case '5':
    546
    case '6':
    586
    case '6':
    547
    case '7':
    587
    case '7':
    548
    case '8':
    588
    case '8':
    549
    case '9':
    589
    case '9':
    550
    chars[offset++] = (char)ival;
    590
    chars[offset++] = (char)ival;
    551
    lastValidOffset = offset;
    591
    lastValidOffset = offset;
    552
    break;
    592
    break;
    553
    case 'e':
    553
    case 'e':
    593
    case '_':
    Differences
    Expression1Expression2Difference
    'e''_'LITERAL_VALUE_MISMATCH
    593
    case '_':
    554
    case 'E':
                                
    555
    state = SEXP;
    555
    state = SEXP;
    596
    state = SCOMPLETE;
    Differences
    Expression1Expression2Difference
    SEXPSCOMPLETEVARIABLE_NAME_MISMATCH
    596
    state = SCOMPLETE;
    556
    break states;
    597
    break states;
    557
    case '_':
                                
    558
    break;
    594
    break;
    559
    default:
    595
    default:
    560
    state = SCOMPLETE;
    560
    state = SCOMPLETE;
    Preondition Violations
    Unmatched statement state=SCOMPLETE; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                              
    561
    break states;
    561
    break states;
    Preondition Violations
    Unmatched break states;
                                        
    Precondition Violations (3)
    Row Violation
    1Unmatched statement state=SCOMPLETE; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched break states;
    3Clone fragment #1 returns variables i, ival, offset, chars, lastValidOffset , while Clone fragment #2 returns variables i, ival, offset, chars, lastValidOffset