DVarNode dvarNode = (DVarNode) node; if (RubyInstanceConfig.PEEPHOLE_OPTZ) { if (expr) context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth()); } else { context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth()); if (!expr) context.consumeCurrentValue(); }
LocalVarNode localVarNode = (LocalVarNode) node; if (RubyInstanceConfig.PEEPHOLE_OPTZ) { if (expr) context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth()); } else { context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth()); 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 compileDVar(Node, BodyCompiler, boolean) Method name: void compileLocalVar(Node, BodyCompiler, boolean)
Number of AST nodes: 7 Number of AST nodes: 7
1
DVarNode dvarNode = (DVarNode) node;
1
LocalVarNode localVarNode = (LocalVarNode) node;
2
        if (RubyInstanceConfig.PEEPHOLE_OPTZ) {
2
        if (RubyInstanceConfig.PEEPHOLE_OPTZ) {
3
            if (expr) context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
3
            if (expr) context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
4
        } else {
4
        } else {
5
            context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
5
            context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
6
            if (!expr) context.consumeCurrentValue();
6
            if (!expr) context.consumeCurrentValue();
7
        }
7
        }
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)0.4
Clones locationClones are declared in the same class
Number of node comparisons18
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)6.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    DVarNode dvarNode = (DVarNode)node;
    1
    DVarNode dvarNode = (DVarNode)node;
    1
    LocalVarNode localVarNode = (LocalVarNode)node;
    Differences
    Expression1Expression2Difference
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    dvarNodelocalVarNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    1
    LocalVarNode localVarNode = (LocalVarNode)node;
    2
    if (RubyInstanceConfig.PEEPHOLE_OPTZ)
    2
    if (RubyInstanceConfig.PEEPHOLE_OPTZ)
    3
    if (expr)
    3
    if (expr)
    4
    context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
    4
    context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
    4
    context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
    Differences
    Expression1Expression2Difference
    dvarNodelocalVarNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    dvarNodelocalVarNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    4
    context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
    else
    else
    5
    context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
    5
    context.getVariableCompiler().retrieveLocalVariable(dvarNode.getIndex(), dvarNode.getDepth());
    5
    context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
    Differences
    Expression1Expression2Difference
    dvarNodelocalVarNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    dvarNodelocalVarNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.DVarNodeorg.jruby.ast.LocalVarNodeSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    5
    context.getVariableCompiler().retrieveLocalVariable(localVarNode.getIndex(), localVarNode.getDepth());
    6
    if (!expr)
    6
    if (!expr)
    7
    context.consumeCurrentValue();
    7
    context.consumeCurrentValue();
    Precondition Violations (4)
    Row Violation
    1Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    2Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    3Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()
    4Expression dvarNode cannot be unified with expression localVarNode , because common superclass org.jruby.ast.Node does not declare member(s) public int getIndex() , public int getDepth()