if (dx > 0) { if (!regionMatches(target, offset, con.limit, literal, literallen)) return -1; offset += literallen; } else { if (!regionMatches(target, offset-literallen, con.limit, literal, literallen)) return -1; offset -= literallen; }
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; }
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 (!regionMatches(target, offset, con.limit, literal, literallen))
2
                              if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
3
                                  return -1;
3
                                  return -1;
4
                              offset += literallen;
4
                              offset += literallen;
5
                          } else {
5
                          } else {
6
                              if (!regionMatches(target, offset-literallen, con.limit, literal
6
                              if (!regionMatchesIgnoreCase(target, offset-literallen, con.limit,
7
, 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)13.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    191
    if (dx > 0)
    191
    if (dx > 0)
    178
    if (dx > 0)
    Differences
    Expression1Expression2Difference
    dx > 0dx > 0IF_ELSE_SYMMETRICAL_MATCH
    178
    if (dx > 0)
                                                    
    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
    181
    offset += literallen;
    192
    if (!regionMatches(target, offset, con.limit, literal, literallen))
    192
    if (!regionMatches(target, offset, con.limit, literal, literallen))
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_MISMATCH
    char[]java.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression regionMatchesIgnoreCase(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatchesIgnoreCase
    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
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    193
    return -1;
    183
    return -1;
    194
    offset += literallen;
    194
    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
    195
    if (!regionMatches(target, offset - literallen, con.limit, literal, literallen))
    195
    if (!regionMatches(target, offset - literallen, con.limit, literal, literallen))
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_MISMATCH
    char[]java.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression regionMatchesIgnoreCase(target,offset,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatchesIgnoreCase
    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
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    196
    return -1;
    180
    return -1;
                                                    
    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
    184
    offset -= literallen;
    197
    offset -= literallen;
    197
    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 regionMatchesIgnoreCase(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 regionMatchesIgnoreCase(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