final PreExeNode preExeNode = (PreExeNode) node; // create the closure class and instantiate it final CompilerCallback closureBody = new CompilerCallback() { public void call(BodyCompiler context) { if (preExeNode.getBodyNode() != null) { compile(preExeNode.getBodyNode(), context,true); } else { context.loadNil(); } } }; context.runBeginBlock(preExeNode.getScope(), closureBody); // TODO: don't require pop if (!expr) context.consumeCurrentValue();
final BreakNode breakNode = (BreakNode) node; CompilerCallback valueCallback = new CompilerCallback() { public void call(BodyCompiler context) { if (breakNode.getValueNode() != null) { compile(breakNode.getValueNode(), context, true); } else { context.loadNil(); } } }; context.issueBreakEvent(valueCallback); // 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 compilePreExe(Node, BodyCompiler, boolean) Method name: void compileBreak(Node, BodyCompiler, boolean)
Number of AST nodes: 5 Number of AST nodes: 5
1
final PreExeNode preExeNode = (PreExeNode) node;
1
final BreakNode breakNode = (BreakNode) node;
2
        // create the closure class and instantiate it
2
        
3
        final CompilerCallback closureBody = new CompilerCallback() {
3
CompilerCallback valueCallback = new CompilerCallback() {
4
                    public void call(BodyCompiler context) {
4
                    public void call(BodyCompiler context) {
5
                        if (preExeNode.getBodyNode() != null) {
5
                        if (breakNode.getValueNode() != null) {
6
                            compile(preExeNode.getBodyNode(), context,true);
6
                            compile(breakNode.getValueNode(), context, true);
7
                        } else {
7
                        } else {
8
                            context.loadNil();
8
                            context.loadNil();
9
                        }
9
                        }
10
                    }
10
                    }
11
                };
11
                };
12
        context.runBeginBlock(preExeNode.getScope(), closureBody);
12
        context.issueBreakEvent(valueCallback);
13
        // TODO: don't require pop
13
        // TODO: don't require pop
14
        if (!expr) context.consumeCurrentValue();
14
        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 comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)4.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    final PreExeNode preExeNode = (PreExeNode)node;
    1
    final PreExeNode preExeNode = (PreExeNode)node;
    1
    final BreakNode breakNode = (BreakNode)node;
    Differences
    Expression1Expression2Difference
    org.jruby.ast.PreExeNodeorg.jruby.ast.BreakNodeSUBCLASS_TYPE_MISMATCH
    preExeNodebreakNodeVARIABLE_NAME_MISMATCH
    org.jruby.ast.PreExeNodeorg.jruby.ast.BreakNodeSUBCLASS_TYPE_MISMATCH
    org.jruby.ast.PreExeNodeorg.jruby.ast.BreakNodeSUBCLASS_TYPE_MISMATCH
    1
    final BreakNode breakNode = (BreakNode)node;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
    2
    CompilerCallback valueCallback = new CompilerCallback() {...};
    Preondition Violations
    Unmatched statement CompilerCallback valueCallback=new CompilerCallback(){ public void call( BodyCompiler context){ if (breakNode.getValueNode() != null) { compile(breakNode.getValueNode(),context,true); } else { context.loadNil(); } } } ; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    CompilerCallback valueCallback = new CompilerCallback() {...};
    2
    final CompilerCallback closureBody = new CompilerCallback() {...};
    2
    final CompilerCallback closureBody = new CompilerCallback() {...};
    Preondition Violations
    Unmatched statement final CompilerCallback closureBody=new CompilerCallback(){ public void call( BodyCompiler context){ if (preExeNode.getBodyNode() != null) { compile(preExeNode.getBodyNode(),context,true); } else { context.loadNil(); } } } ; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
    3
    context.runBeginBlock(preExeNode.getScope(), closureBody);
    3
    context.runBeginBlock(preExeNode.getScope(), closureBody);
    3
    context.issueBreakEvent(valueCallback);
    Differences
    Expression1Expression2Difference
    runBeginBlockissueBreakEventMETHOD_INVOCATION_NAME_MISMATCH
    context.runBeginBlock(preExeNode.getScope(),closureBody)context.issueBreakEvent(valueCallback)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression context.runBeginBlock(preExeNode.getScope(),closureBody) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression context.runBeginBlock(preExeNode.getScope(),closureBody) is a void method call, and thus it cannot be parameterized
    Expression context.issueBreakEvent(valueCallback) is a void method call, and thus it cannot be parameterized
    Expression context.runBeginBlock(preExeNode.getScope(),closureBody) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression context.runBeginBlock(preExeNode.getScope(),closureBody) is a void method call, and thus it cannot be parameterized
    Expression context.issueBreakEvent(valueCallback) is a void method call, and thus it cannot be parameterized
    3
    context.issueBreakEvent(valueCallback);
    4
    if (!expr)
    4
    if (!expr)
    5
    context.consumeCurrentValue();
    5
    context.consumeCurrentValue();
    Precondition Violations (9)
    Row Violation
    1Unmatched statement CompilerCallback valueCallback=new CompilerCallback(){ public void call( BodyCompiler context){ if (breakNode.getValueNode() != null) { compile(breakNode.getValueNode(),context,true); } else { context.loadNil(); } } } ; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement final CompilerCallback closureBody=new CompilerCallback(){ public void call( BodyCompiler context){ if (preExeNode.getBodyNode() != null) { compile(preExeNode.getBodyNode(),context,true); } else { context.loadNil(); } } } ; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression context.runBeginBlock(preExeNode.getScope(),closureBody) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression context.runBeginBlock(preExeNode.getScope(),closureBody) is a void method call, and thus it cannot be parameterized
    5Expression context.issueBreakEvent(valueCallback) is a void method call, and thus it cannot be parameterized
    6Expression context.runBeginBlock(preExeNode.getScope(),closureBody) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression context.runBeginBlock(preExeNode.getScope(),closureBody) is a void method call, and thus it cannot be parameterized
    8Expression context.issueBreakEvent(valueCallback) is a void method call, and thus it cannot be parameterized
    9Clone fragment #1 returns variable preExeNode with type org.jruby.ast.PreExeNode , while Clone fragment #2 returns variable breakNode with type org.jruby.ast.BreakNode