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; }
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 matchCharacterIterator(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, o2, 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,
6
                              if (!regionMatchesIgnoreCase(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)1.0
Clones locationClones are in the same method
Number of node comparisons23
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)400.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    171
    if (dx > 0)
    178
    if (dx > 0)
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_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
    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
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    173
    return -1;
    180
    return -1;
    174
    offset += literallen;
    181
    offset += literallen;
    else
    else
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_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
    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
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    176
    return -1;
    183
    return -1;
    177
    offset -= literallen;
    184
    offset -= literallen;
    Precondition Violations (4)
    Row Violation
    1Expression regionMatches(target,offset,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression regionMatchesIgnoreCase(target,offset,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression regionMatches(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression regionMatchesIgnoreCase(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted