this.next(); Token tok = Token.createLook(Token.LOOKAHEAD, this.parseRegex()); if (this.read() != T_RPAREN) throw ex("parser.factor.1", this.offset-1); this.next(); // ')' return tok;
this.next(); Token tok = Token.createLook(Token.NEGATIVELOOKAHEAD, this.parseRegex()); if (this.read() != T_RPAREN) throw ex("parser.factor.1", this.offset-1); this.next(); // ')' return tok;
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: Token processLookahead() Method name: Token processNegativelookahead()
Number of AST nodes: 6 Number of AST nodes: 6
1
this.next();
1
this.next();
2
          Token tok = Token.createLook(Token.LOOKAHEAD, this.parseRegex());
2
          Token tok = Token.createLook(Token.NEGATIVELOOKAHEAD, this.parseRegex());
3
          if (this.read() != T_RPAREN)  throw ex("parser.factor.1", this.offset-1);
3
          if (this.read() != T_RPAREN)  throw ex("parser.factor.1", this.offset-1);
4
          this.next();                            // ')'
4
          this.next();                            // ')'
5
          return tok;
5
          return tok;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are declared in the same class
Number of node comparisons14
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)7.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    this.next();
    1
    this.next();
    2
    Token tok = Token.createLook(Token.LOOKAHEAD, this.parseRegex());
    2
    Token tok = Token.createLook(Token.LOOKAHEAD, this.parseRegex());
    2
    Token tok = Token.createLook(Token.NEGATIVELOOKAHEAD, this.parseRegex());
    Differences
    Expression1Expression2Difference
    LOOKAHEADNEGATIVELOOKAHEADVARIABLE_NAME_MISMATCH
    2
    Token tok = Token.createLook(Token.NEGATIVELOOKAHEAD, this.parseRegex());
    3
    if (this.read() != T_RPAREN)
    3
    if (this.read() != T_RPAREN)
    4
    throw ex("parser.factor.1", this.offset - 1);
    4
    throw ex("parser.factor.1", this.offset - 1);
    5
    this.next();
    5
    this.next();
    6
    return tok;
    6
    return tok;
    Precondition Violations (0)
    Row Violation