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 '.': state = SDECDIGIT; break states; case 'e': case 'E': state = SEXP; break states; case '_': break; // switch default: state = SCOMPLETE; break states; } // switch }
switch(ival = bytes[i++]) { case '0': // ignore leading zeroes break; // switch 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 '.': state = SDECDIGIT_STRICT; break states; default: state = SERR_NOT_STRICT; 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: 27 Number of AST nodes: 21
1
for ( ; i < buflen ; ) {
2
                    switch(ival = bytes[i++]) {
1
switch(ival = bytes[i++]) {
3
                    case '0':
2
                    case '0':
3
                        // ignore leading zeroes
4
                        break; // switch
4
 case '1': case '2': case '3': case '4':
5
                    case '1': case '2': case '3': case '4':
5
                    case '5': case '6': case '7': case '8': case '9':
6
                    case '5': case '6': case '7': case '8': case '9':
6
                        chars[offset++] = (char)ival;
7
                        chars[offset++] = (char)ival;
7
                        lastValidOffset = offset;
8
                        lastValidOffset = offset;
8
                        break; // switch
9
                        break; // switch
9
                    case '.':
10
                    case '.':
10
                        state = SDECDIGIT;
11
                        state = SDECDIGIT_STRICT;
11
                        break states;
12
                        break states;
12
                    case 'e':
13
                    case 'E':
14
                        state = SEXP;
15
                        break states;
16
                    case '_':
17
                        break; // switch
18
                    default:
13
                    default:
19
                        state = SCOMPLETE;
14
                        state = SERR_NOT_STRICT;
20
                        break states;
15
                        break states;
21
                    } // switch
16
    
22
                }
17
                }
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 comparisons234
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements21
    Number of unmapped statements in the first code fragment5
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)23.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    488
    switch (ival = bytes[i++])
    602
    switch (ival = bytes[i++])
    489
    case '0':
    603
    case '0':
    490
    case '1':
    605
    case '1':
    491
    case '2':
    606
    case '2':
    492
    case '3':
    607
    case '3':
    493
    case '4':
    608
    case '4':
    494
    case '5':
    609
    case '5':
    495
    case '6':
    610
    case '6':
    496
    case '7':
    611
    case '7':
    497
    case '8':
    612
    case '8':
    498
    case '9':
    613
    case '9':
    499
    chars[offset++] = (char)ival;
    614
    chars[offset++] = (char)ival;
    500
    lastValidOffset = offset;
    615
    lastValidOffset = offset;
    501
    break;
    616
    break;
    502
    case '.':
    617
    case '.':
    503
    state = SDECDIGIT;
    503
    state = SDECDIGIT;
    618
    state = SDECDIGIT_STRICT;
    Differences
    Expression1Expression2Difference
    SDECDIGITSDECDIGIT_STRICTVARIABLE_NAME_MISMATCH
    618
    state = SDECDIGIT_STRICT;
    504
    break states;
    619
    break states;
    505
    case 'e':
                                
    506
    case 'E':
                                
    507
    state = SEXP;
    507
    state = SEXP;
    Preondition Violations
    Unmatched statement state=SEXP; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                    
    508
    break states;
    508
    break states;
    Preondition Violations
    Unmatched break states;
                                        
    509
    case '_':
                                
    510
    break;
    604
    break;
    511
    default:
    620
    default:
    512
    state = SCOMPLETE;
    512
    state = SCOMPLETE;
    621
    state = SERR_NOT_STRICT;
    Differences
    Expression1Expression2Difference
    SCOMPLETESERR_NOT_STRICTVARIABLE_NAME_MISMATCH
    621
    state = SERR_NOT_STRICT;
    513
    break states;
    622
    break states;
    Precondition Violations (3)
    Row Violation
    1Unmatched statement state=SEXP; 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