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 matchString(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)1.3
Clones locationClones are declared in the same class
Number of node comparisons20
  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)179.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    178
    if (dx > 0)
    171
    if (dx > 0)
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    179
    if (!regionMatchesIgnoreCase(target, offset, con.limit, o2, literallen))
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    java.lang.Stringjava.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    regionMatchesIgnoreCaseregionMatchesMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Type java.lang.String of variable target does not match with type java.text.CharacterIterator of variable target
    • Make classes java.lang.String and java.text.CharacterIterator extend a common superclass
    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
    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
    172
    if (!regionMatches(target, offset, con.limit, o2, literallen))
    180
    return -1;
    173
    return -1;
    181
    offset += literallen;
    174
    offset += literallen;
    else
    else
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    182
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, o2, literallen))
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    Differences
    Expression1Expression2Difference
    java.lang.Stringjava.text.CharacterIteratorVARIABLE_TYPE_MISMATCH
    regionMatchesIgnoreCaseregionMatchesMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Type java.lang.String of variable target does not match with type java.text.CharacterIterator of variable target
    • Make classes java.lang.String and java.text.CharacterIterator extend a common superclass
    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
    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
    175
    if (!regionMatches(target, offset - literallen, con.limit, o2, literallen))
    183
    return -1;
    176
    return -1;
    184
    offset -= literallen;
    177
    offset -= literallen;
    Precondition Violations (7)
    Row Violation
    1Type java.lang.String of variable target does not match with type java.text.CharacterIterator of variable target
    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,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.lang.String of variable target does not match with type java.text.CharacterIterator of variable target
    5Expression regionMatchesIgnoreCase(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression regionMatches(target,offset - literallen,con.limit,o2,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Not all possible execution flows end in a return statement