checkExpression(left); if (left == null && right == null) return new OrNode(position, makeNullNil(left), makeNullNil(right)); return new OrNode(position(left, right), makeNullNil(left), makeNullNil(right));
checkExpression(left); if (left == null && right == null) return new AndNode(position, makeNullNil(left), makeNullNil(right)); return new AndNode(position(left, right), makeNullNil(left), makeNullNil(right));
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/parser/ParserSupport.java File path: /jruby-1.4.0/src/org/jruby/parser/ParserSupport.java
Method name: OrNode newOrNode(ISourcePosition, Node, Node) Method name: AndNode newAndNode(ISourcePosition, Node, Node)
Number of AST nodes: 4 Number of AST nodes: 4
1
checkExpression(left);
1
checkExpression(left);
2
        
2
        if (left == null && right == null) return new OrNode(position, makeNullNil(left), makeNullNil(right));
3
        if (left == null && right == null) return new AndNode(position, makeNullNil(left), makeNullNil(right));
3
        
4
        
4
        return new OrNode(position(left, right), makeNullNil(left), makeNullNil(right));
5
        return new AndNode(position(left, right), makeNullNil(left), makeNullNil(right));
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)0.2
Clones locationClones are declared in the same class
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    checkExpression(left);
    1
    checkExpression(left);
    2
    if (left == null && right == null)
    2
    if (left == null && right == null)
    3
    return new OrNode(position, makeNullNil(left), makeNullNil(right));
    3
    return new OrNode(position, makeNullNil(left), makeNullNil(right));
    3
    return new AndNode(position, makeNullNil(left), makeNullNil(right));
    Differences
    Expression1Expression2Difference
    org.jruby.ast.OrNodeorg.jruby.ast.AndNodeSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression new OrNode(position,makeNullNil(left),makeNullNil(right)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new AndNode(position,makeNullNil(left),makeNullNil(right)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    return new AndNode(position, makeNullNil(left), makeNullNil(right));
    4
    return new OrNode(position(left, right), makeNullNil(left), makeNullNil(right));
    4
    return new OrNode(position(left, right), makeNullNil(left), makeNullNil(right));
    4
    return new AndNode(position(left, right), makeNullNil(left), makeNullNil(right));
    Differences
    Expression1Expression2Difference
    org.jruby.ast.OrNodeorg.jruby.ast.AndNodeSUBCLASS_TYPE_MISMATCH
    4
    return new AndNode(position(left, right), makeNullNil(left), makeNullNil(right));
    Precondition Violations (2)
    Row Violation
    1Expression new OrNode(position,makeNullNil(left),makeNullNil(right)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new AndNode(position,makeNullNil(left),makeNullNil(right)) cannot be parameterized, because it has dependencies to/from statements that will be extracted