int result = a; result = 31 * result + b; return result;
if (ungotc >= 0) { int c = ungotc; ungotc = -1; return c; }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/util/RecursiveComparator.java File path: /jruby-1.4.0/src/org/jruby/util/io/ChannelStream.java
Method name: int hashCode() Method name: int read()
Number of AST nodes: 3 Number of AST nodes: 4
1
int result = a;
1
i
2
            result = 31 * result + b
2
f (ungotc >= 0) {
3
                int c = ungotc;
3
;
4
                ungotc = -1;
4
            return result;
5
                return c;
6
            }
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)0.0
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    int result = a;
    1
    int result = a;
    4
    int c = ungotc;
    Differences
    Expression1Expression2Difference
    resultcVARIABLE_NAME_MISMATCH
    aungotcVARIABLE_NAME_MISMATCH
    4
    int c = ungotc;
    2
    result = 31 * result + b;
    2
    result = 31 * result + b;
    5
    ungotc = -1;
    Differences
    Expression1Expression2Difference
    resultungotcVARIABLE_NAME_MISMATCH
    31 * result + b-1TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression result cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ungotc is a field being modified, and thus it cannot be parameterized
    Expression 31 * result + b cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    ungotc = -1;
    3
    return result;
    3
    return result;
    6
    return c;
    Differences
    Expression1Expression2Difference
    resultcVARIABLE_NAME_MISMATCH
    6
    return c;
    Precondition Violations (3)
    Row Violation
    1Expression result cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression ungotc is a field being modified, and thus it cannot be parameterized
    3Expression 31 * result + b cannot be parameterized, because it has dependencies to/from statements that will be extracted