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; }
switch(ival = bytes[i++]) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': expSpec = (int)ival-(int)'0'; break; //switch 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: 21 Number of AST nodes: 16
1
switch(ival = bytes[i++]) {
1
switch(ival = bytes[i++]) {
2
                    case '0':
2
                    case '0':
3
                        // ignore leading zeroes
4
                        break; // switch
5
                    case '1': case '2': case '3': case '4':
3
 case '1': case '2': case '3': case '4':
6
                    case '5': case '6': case '7': case '8': case '9':
4
                    case '5': case '6': case '7': case '8': case '9':
7
                        chars[offset++] = (char)ival;
5
                        
8
                        lastValidOffset = offset;
6
expSpec = (int)ival-(int)'0';
9
                        break; // switch
7
                        break; //switch
10
                    case '.':
11
                        state = SDECDIGIT_STRICT;
12
                        break states;
13
                    default:
8
                    default:
14
                        state = SERR_NOT_STRICT;
9
                        state = SERR_NOT_STRICT;
15
                        break states;
10
                        break states;
16
                    }
11
                    }
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)0.7
Clones locationClones are in the same method
Number of node comparisons136
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements16
    Number of unmapped statements in the first code fragment5
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)10.3
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    602
    switch (ival = bytes[i++])
    407
    switch (ival = bytes[i++])
    603
    case '0':
    603
    case '0':
    417
    case '9':
    Differences
    Expression1Expression2Difference
    '0''9'LITERAL_VALUE_MISMATCH
    417
    case '9':
    604
    break;
    419
    break;
    605
    case '1':
    409
    case '1':
    606
    case '2':
    410
    case '2':
    607
    case '3':
    411
    case '3':
    608
    case '4':
    412
    case '4':
    609
    case '5':
    413
    case '5':
    610
    case '6':
    414
    case '6':
    611
    case '7':
    415
    case '7':
    612
    case '8':
    416
    case '8':
    613
    case '9':
    613
    case '9':
    408
    case '0':
    Differences
    Expression1Expression2Difference
    '9''0'LITERAL_VALUE_MISMATCH
    408
    case '0':
    614
    chars[offset++] = (char)ival;
    614
    chars[offset++] = (char)ival;
    Preondition Violations
    Unmatched statement chars[offset++]=(char)ival; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                    
    615
    lastValidOffset = offset;
    615
    lastValidOffset = offset;
    418
    expSpec = (int)ival - (int)'0';
    Differences
    Expression1Expression2Difference
    lastValidOffsetexpSpecVARIABLE_NAME_MISMATCH
    offset(int)ival - (int)'0'TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression (int)ival - (int)'0' cannot be parameterized, because it has dependencies to/from statements that will be extracted
    418
    expSpec = (int)ival - (int)'0';
    616
    break;
    616
    break;
    Preondition Violations
    Unmatched break;
                          
    617
    case '.':
                                
    618
    state = SDECDIGIT_STRICT;
    618
    state = SDECDIGIT_STRICT;
    421
    state = SERR_NOT_STRICT;
    Differences
    Expression1Expression2Difference
    SDECDIGIT_STRICTSERR_NOT_STRICTVARIABLE_NAME_MISMATCH
    421
    state = SERR_NOT_STRICT;
    619
    break states;
    422
    break states;
    620
    default:
    420
    default:
    621
    state = SERR_NOT_STRICT;
                                                          
    622
    break states;
    622
    break states;
    Preondition Violations
    Unmatched break states;
                                        
    Precondition Violations (5)
    Row Violation
    1Unmatched statement chars[offset++]=(char)ival; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Expression (int)ival - (int)'0' cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched break;
    4Unmatched break states;
    5Clone fragment #1 returns variables i, ival, lastValidOffset , while Clone fragment #2 returns variables i, expSpec