if (dx > 0) { if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen)) return -1; offset += literallen; } else { if (!regionMatchesIgnoreCase(target, offset-literallen, con.limit, o2, literallen)) return -1; offset -= literallen; }
if (dx > 0) { if (!regionMatches(target, offset, con.limit, o2, literallen)) return -1; offset += literallen; } else { if (!regionMatches(target, offset-literallen, con.limit, o2, literallen)) return -1; offset -= literallen; }
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/xml/type/internal/RegEx.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/xml/type/internal/RegEx.java
Method name: int matchCharArray(Context, Op, int, int, int) Method name: int matchCharacterIterator(Context, Op, int, int, int)
Number of AST nodes: 7 Number of AST nodes: 7
1
if (dx > 0) {
1
if (dx > 0) {
2
                              if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
2
                              if (!regionMatches(target, offset, con.limit, o2, literallen))
3
                                  return -1;
3
                                  return -1;
4
                              offset += literallen;
4
                              offset += literallen;
5
                          } else {
5
                          } else {
6
                              if (!regionMatchesIgnoreCase(target, offset-literallen, con.limit,
6
                              if (!regionMatches(target, offset-literallen, con.limit,
7
                                                           o2, literallen))
7
 o2, literallen))
8
                                  return -1;
8
                                  return -1;
9
                              offset -= literallen;
9
                              offset -= literallen;
10
                          }
10
                          }
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)0.6
Clones locationClones are declared in the same class
Number of node comparisons17
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)13.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    178
    if (dx > 0)
    178
    if (dx > 0)
    171
    if (dx > 0)
    Differences
    Expression1Expression2Difference
    dx > 0dx > 0IF_ELSE_SYMMETRICAL_MATCH
    171
    if (dx > 0)
                                                    
    174
    offset += literallen;
    Preondition Violations
    Unmatched statement offset+=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    174
    offset += literallen;
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesIgnoreCaseregionMatchesMETHOD_INVOCATION_NAME_MISMATCH
    char[]java.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression regionMatches(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatches
    Type char[] of variable target does not match with type java.text.CharacterIterator of variable target
    • Make classes char[] and java.text.CharacterIterator extend a common superclass
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    180
    return -1;
    176
    return -1;
    181
    offset += literallen;
    181
    offset += literallen;
    Preondition Violations
    Unmatched statement offset+=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    else
    else
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesIgnoreCaseregionMatchesMETHOD_INVOCATION_NAME_MISMATCH
    char[]java.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression regionMatches(target,offset,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatches
    Type char[] of variable target does not match with type java.text.CharacterIterator of variable target
    • Make classes char[] and java.text.CharacterIterator extend a common superclass
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    183
    return -1;
    173
    return -1;
                                                    
    177
    offset -= literallen;
    Preondition Violations
    Unmatched statement offset-=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    177
    offset -= literallen;
    184
    offset -= literallen;
    184
    offset -= literallen;
    Preondition Violations
    Unmatched statement offset-=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    Precondition Violations (8)
    Row Violation
    1Unmatched statement offset+=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Expression regionMatches(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Type char[] of variable target does not match with type java.text.CharacterIterator of variable target
    4Unmatched statement offset+=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Expression regionMatches(target,offset,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type char[] of variable target does not match with type java.text.CharacterIterator of variable target
    7Unmatched statement offset-=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8Unmatched statement offset-=literallen; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted