BackRefNode iVisited = (BackRefNode) node; context.performBackref(iVisited.getType()); // TODO: don't require pop if (!expr) context.consumeCurrentValue();
ConstNode constNode = (ConstNode) node; context.retrieveConstant(constNode.getName()); // TODO: don't require pop if (!expr) context.consumeCurrentValue();
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/compiler/ASTCompiler.java File path: /jruby-1.4.0/src/org/jruby/compiler/ASTCompiler.java
Method name: void compileBackref(Node, BodyCompiler, boolean) Method name: void compileConst(Node, BodyCompiler, boolean)
Number of AST nodes: 4 Number of AST nodes: 4
1
BackRefNode iVisited = (BackRefNode) node;
1
ConstNode constNode = (ConstNode) node;
2
        context.performBackref(iVisited.getType());
2
        context.retrieveConstant(constNode.getName());
3
        // TODO: don't require pop
3
        // TODO: don't require pop
4
        if (!expr) context.consumeCurrentValue();
4
        if (!expr) context.consumeCurrentValue();
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)0.1
Clones locationClones are declared in the same class
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    BackRefNode iVisited = (BackRefNode)node;
    1
    BackRefNode iVisited = (BackRefNode)node;
    1
    ConstNode constNode = (ConstNode)node;
    Differences
    Expression1Expression2Difference
    org.jruby.ast.BackRefNodeorg.jruby.ast.ConstNodeSUBCLASS_TYPE_MISMATCH
    iVisitedconstNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.BackRefNodeorg.jruby.ast.ConstNodeSUBCLASS_TYPE_MISMATCH
    org.jruby.ast.BackRefNodeorg.jruby.ast.ConstNodeSUBCLASS_TYPE_MISMATCH
    1
    ConstNode constNode = (ConstNode)node;
                                                                                                      
    2
    context.retrieveConstant(constNode.getName());
    2
    context.performBackref(iVisited.getType());
                                                                                                
    3
    if (!expr)
    3
    if (!expr)
    4
    context.consumeCurrentValue();
    4
    context.consumeCurrentValue();
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variable iVisited with type org.jruby.ast.BackRefNode , while Clone fragment #2 returns variable constNode with type org.jruby.ast.ConstNode