for (;; c = src.read()) { if (c == '_') { if (nondigit != '\0') break; nondigit = c; } else if (Character.isDigit(c)) { nondigit = '\0'; tokenBuffer.append((char) c); } else { break; } }
for (;; c = src.read()) { if (c == '_') { if (nondigit != '\0') break; nondigit = c; } else if (isHexChar(c)) { nondigit = '\0'; tokenBuffer.append((char) c); } else { break; } }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/lexer/yacc/RubyYaccLexer.java File path: /jruby-1.4.0/src/org/jruby/lexer/yacc/RubyYaccLexer.java
Method name: int parseNumber(int) Method name: int parseNumber(int)
Number of AST nodes: 9 Number of AST nodes: 9
1
for (;; c = src.read()) {
1
for (;; c = src.read()) {
2
                            if (c == '_') {
2
                            if (c == '_') {
3
                                if (nondigit != '\0') break;
3
                                if (nondigit != '\0') break;
4
								nondigit = c;
4
                                nondigit = c;
5
                            } else if (Character.isDigit(c)) {
5
                            } else if (isHexChar(c)) {
6
                                nondigit = '\0';
6
                                nondigit = '\0';
7
                                tokenBuffer.append((char) c);
7
                                tokenBuffer.append((char) c);
8
                            } else {
8
                            } else {
9
                                break;
9
                                break;
10
                            }
10
                            }
11
                        }
11
                        }
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 in the same method
Number of node comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)15.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    56
    for (; ; c = src.read())
    16
    for (; ; c = src.read())
    57
    if (c == '_')
    17
    if (c == '_')
    58
    if (nondigit != '\0')
    18
    if (nondigit != '\0')
    59
    break;
    19
    break;
    60
    nondigit = c;
    20
    nondigit = c;
    61
    else if (Character.isDigit(c))
    61
    else if (Character.isDigit(c))
    21
    else if (isHexChar(c))
    Differences
    Expression1Expression2Difference
    isDigitisHexCharMETHOD_INVOCATION_NAME_MISMATCH
    CharacterMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression Character.isDigit(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression isHexChar(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression Character.isDigit(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression isHexChar(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21
    else if (isHexChar(c))
    62
    nondigit = '\0';
    22
    nondigit = '\0';
    63
    tokenBuffer.append((char)c);
    23
    tokenBuffer.append((char)c);
    else
    else
    64
    break;
    24
    break;
    Precondition Violations (5)
    Row Violation
    1Expression Character.isDigit(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression isHexChar(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression Character.isDigit(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression isHexChar(c) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Clone fragment #1 returns variables c, nondigit , while Clone fragment #2 returns variables c, nondigit