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 }
if (i < buflen) { 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; break states; default: state = SCOMPLETE; break states; } // switch }
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: 22
1
for ( ; i < buflen ; ) {
1
if (i < buflen) {
2
                    switch(ival = bytes[i++]) {
2
                    switch(ival = bytes[i++]) {
3
                    case '0':
3
                    case '0':
4
                        // ignore leading zeroes
5
                        break; // switch
4
 case '1': case '2': case '3': case '4':
6
                    case '1': case '2': case '3': case '4':
5
                    case '5': case '6': case '7': case '8': case '9':
7
                    case '5': case '6': case '7': case '8': case '9':
6
                        chars[offset++] = (char)ival;
8
                        chars[offset++] = (char)ival;
7
                        lastValidOffset = offset;
9
                        lastValidOffset = offset;
8
                        break; // switch
10
                        break; // switch
9
                    case '.':
11
                    case '.':
10
                        state = SDECDIGIT;
12
                        state = SDECDIGIT;
11
                        break states;
13
                        break states;
12
                    case 'e':
13
                    case 'E':
14
                        state = SEXP;
15
                        break states;
16
                    case '_':
17
                        break; // switch
18
                    default:
14
                    default:
19
                        state = SCOMPLETE;
15
                        state = SCOMPLETE;
20
                        break states;
16
                        break states;
21
                    } // switch
17
                    } // switch
22
                }
18
                }
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)0.5
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)24.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    488
    switch (ival = bytes[i++])
    466
    switch (ival = bytes[i++])
    489
    case '0':
    467
    case '0':
    490
    case '1':
    469
    case '1':
    491
    case '2':
    470
    case '2':
    492
    case '3':
    471
    case '3':
    493
    case '4':
    472
    case '4':
    494
    case '5':
    473
    case '5':
    495
    case '6':
    474
    case '6':
    496
    case '7':
    475
    case '7':
    497
    case '8':
    476
    case '8':
    498
    case '9':
    477
    case '9':
    499
    chars[offset++] = (char)ival;
    478
    chars[offset++] = (char)ival;
    500
    lastValidOffset = offset;
    479
    lastValidOffset = offset;
    501
    break;
    480
    break;
    502
    case '.':
    481
    case '.':
    503
    state = SDECDIGIT;
    482
    state = SDECDIGIT;
    504
    break states;
    483
    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;
    468
    break;
    511
    default:
    484
    default:
    512
    state = SCOMPLETE;
    485
    state = SCOMPLETE;
    513
    break states;
    486
    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