if (var != null) { procEnvironment.addElement(var); } var = line;
if (queuedLine != null) { super.processLine(queuedLine, Project.MSG_VERBOSE); } queuedLine = line;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Execute.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Javadoc.java
Method name: Vector getProcEnvironment() Method name: void processLine(String, int)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (var != null) {
1
if (queuedLine != null) {
2
                        procEnvironment.addElement(var);
2
                    
3
    
3
super.processLine(queuedLine, Project.MSG_VERBOSE);
4
                }
4
                }
5
                    var = line;
5
                queuedLine = line;
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 in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    22
    if (var != null)
    22
    if (var != null)
    2
    if (queuedLine != null)
    Differences
    Expression1Expression2Difference
    varqueuedLineVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression var cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    if (queuedLine != null)
    23
    procEnvironment.addElement(var);
    23
    procEnvironment.addElement(var);
    3
    super.processLine(queuedLine, Project.MSG_VERBOSE);
    Differences
    Expression1Expression2Difference
    procEnvironment.addElement(var)super.processLine(queuedLine,Project.MSG_VERBOSE)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression procEnvironment.addElement(var) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression procEnvironment.addElement(var) is a void method call, and thus it cannot be parameterized
    Expression super.processLine(queuedLine,Project.MSG_VERBOSE) is a void method call, and thus it cannot be parameterized
    3
    super.processLine(queuedLine, Project.MSG_VERBOSE);
    24
    var = line;
    24
    var = line;
    4
    queuedLine = line;
    Differences
    Expression1Expression2Difference
    varqueuedLineVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression queuedLine is a field being modified, and thus it cannot be parameterized
    4
    queuedLine = line;
    Precondition Violations (6)
    Row Violation
    1Expression var cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression procEnvironment.addElement(var) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression procEnvironment.addElement(var) is a void method call, and thus it cannot be parameterized
    4Expression super.processLine(queuedLine,Project.MSG_VERBOSE) is a void method call, and thus it cannot be parameterized
    5Expression queuedLine is a field being modified, and thus it cannot be parameterized
    6Clone fragment #1 returns variables var , while Clone fragment #2 returns variables