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, literal, literallen)) return -1; offset += literallen; } else { if (!regionMatchesIgnoreCase(target, offset-literallen, con.limit, literal, 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 matchString(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, literal, 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
 literal, literallen))
7
                                                           literal, 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)0.8
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)52.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    191
    if (dx > 0)
    198
    if (dx > 0)
    192
    if (!regionMatches(target, offset, con.limit, literal, literallen))
    192
    if (!regionMatches(target, offset, con.limit, literal, literallen))
    199
    if (!regionMatchesIgnoreCase(target, offset, con.limit, literal, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression regionMatches(target,offset,con.limit,literal,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,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatchesIgnoreCase
    199
    if (!regionMatchesIgnoreCase(target, offset, con.limit, literal, literallen))
    193
    return -1;
    200
    return -1;
    194
    offset += literallen;
    201
    offset += literallen;
    else
    else
    195
    if (!regionMatches(target, offset - literallen, con.limit, literal, literallen))
    195
    if (!regionMatches(target, offset - literallen, con.limit, literal, literallen))
    202
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, literal, literallen))
    Differences
    Expression1Expression2Difference
    regionMatchesregionMatchesIgnoreCaseMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression regionMatches(target,offset - literallen,con.limit,literal,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,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method regionMatchesIgnoreCase
    202
    if (!regionMatchesIgnoreCase(target, offset - literallen, con.limit, literal, literallen))
    196
    return -1;
    203
    return -1;
    197
    offset -= literallen;
    204
    offset -= literallen;
    Precondition Violations (4)
    Row Violation
    1Expression regionMatches(target,offset,con.limit,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression regionMatchesIgnoreCase(target,offset,con.limit,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression regionMatches(target,offset - literallen,con.limit,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression regionMatchesIgnoreCase(target,offset - literallen,con.limit,literal,literallen) cannot be parameterized, because it has dependencies to/from statements that will be extracted