boolean oldIsAtRoot = isAtRoot; isAtRoot = false; if (sclassNode.getBodyNode() != null) { compile(sclassNode.getBodyNode(), context, true); } else { context.loadNil(); } isAtRoot = oldIsAtRoot;
boolean oldIsAtRoot = isAtRoot; isAtRoot = false; if (classNode.getBodyNode() != null) { compile(classNode.getBodyNode(), context, true); } else { context.loadNil(); } isAtRoot = oldIsAtRoot;
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 call(BodyCompiler) Method name: void call(BodyCompiler)
Number of AST nodes: 6 Number of AST nodes: 6
1
boolean oldIsAtRoot = isAtRoot;
1
boolean oldIsAtRoot = isAtRoot;
2
                        isAtRoot = false;
2
                        isAtRoot = false;
3
                        if (sclassNode.getBodyNode() != null) {
3
                        if (classNode.getBodyNode() != null) {
4
                            compile(sclassNode.getBodyNode(), context, true);
4
                            compile(classNode.getBodyNode(), context, true);
5
                        } else {
5
                        } else {
6
                            context.loadNil();
6
                            context.loadNil();
7
                        }
7
                        }
8
                        isAtRoot = oldIsAtRoot;
8
                        isAtRoot = oldIsAtRoot;
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 java file
Number of node comparisons18
  1. {Non-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)5.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    boolean oldIsAtRoot = isAtRoot;
    1
    boolean oldIsAtRoot = isAtRoot;
    2
    isAtRoot = false;
    2
    isAtRoot = false;
    3
    if (sclassNode.getBodyNode() != null)
    3
    if (sclassNode.getBodyNode() != null)
    3
    if (classNode.getBodyNode() != null)
    Differences
    Expression1Expression2Difference
    sclassNodeclassNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.SClassNodeorg.jruby.ast.ClassNodeSUBCLASS_TYPE_MISMATCH
    sclassNodeclassNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.SClassNodeorg.jruby.ast.ClassNodeSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()
    Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()
    3
    if (classNode.getBodyNode() != null)
    4
    compile(sclassNode.getBodyNode(), context, true);
    4
    compile(sclassNode.getBodyNode(), context, true);
    4
    compile(classNode.getBodyNode(), context, true);
    Differences
    Expression1Expression2Difference
    sclassNodeclassNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.SClassNodeorg.jruby.ast.ClassNodeSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()
    4
    compile(classNode.getBodyNode(), context, true);
    else
    else
    5
    context.loadNil();
    5
    context.loadNil();
    6
    isAtRoot = oldIsAtRoot;
    6
    isAtRoot = oldIsAtRoot;
    Precondition Violations (3)
    Row Violation
    1Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()
    2Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()
    3Expression sclassNode cannot be unified with expression classNode , because common superclass org.jruby.ast.Node does not declare member(s) public org.jruby.ast.Node getBodyNode()