id.push(o); ((DataType) o).dieOnCircularReference(id, project); id.pop();
if (rc instanceof DataType) { stk.push(rc); invokeCircularReferenceCheck((DataType) rc, stk, p); stk.pop(); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/DataType.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/BaseResourceCollectionWrapper.java
Method name: void dieOnCircularReference(Stack, Project) Method name: void dieOnCircularReference(Stack, Project)
Number of AST nodes: 3 Number of AST nodes: 4
1
id
1
if (rc instanceof DataType) {
2
.push(o);
2
                stk.push(rc);
3
                ((DataType) o).dieOnCircularReference(id, project);
3
                invokeCircularReferenceCheck((DataType) rc, stk, p);
4
                id.pop();
4
                stk.pop();
5
            }
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)0.0
Clones locationClones are in different classes having the same super class
Number of node comparisons9
  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)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    8
    id.push(o);
    8
    id.push(o);
    8
    stk.pop();
    Differences
    Expression1Expression2Difference
    pushpopMETHOD_INVOCATION_NAME_MISMATCH
    idstkVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.util.IdentityStackjava.util.StackSUBCLASS_TYPE_MISMATCH
    id.push(o)stk.pop()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression stk.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression stk.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    stk.pop();
    9
    ((DataType)o).dieOnCircularReference(id, project);
    9
    ((DataType)o).dieOnCircularReference(id, project);
    7
    invokeCircularReferenceCheck((DataType)rc, stk, p);
    Differences
    Expression1Expression2Difference
    dieOnCircularReferenceinvokeCircularReferenceCheckMETHOD_INVOCATION_NAME_MISMATCH
    ((DataType)o).dieOnCircularReference(id,project)invokeCircularReferenceCheck((DataType)rc,stk,p)ARGUMENT_NUMBER_MISMATCH
    ((DataType)o)MISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression ((DataType)o).dieOnCircularReference(id,project) is a void method call, and thus it cannot be parameterized
    Expression invokeCircularReferenceCheck((DataType)rc,stk,p) is a void method call, and thus it cannot be parameterized
    Expression ((DataType)o).dieOnCircularReference(id,project) is a void method call, and thus it cannot be parameterized
    Expression invokeCircularReferenceCheck((DataType)rc,stk,p) is a void method call, and thus it cannot be parameterized
    7
    invokeCircularReferenceCheck((DataType)rc, stk, p);
    10
    id.pop();
    10
    id.pop();
    6
    stk.push(rc);
    Differences
    Expression1Expression2Difference
    poppushMETHOD_INVOCATION_NAME_MISMATCH
    idstkVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.util.IdentityStackjava.util.StackSUBCLASS_TYPE_MISMATCH
    id.pop()stk.push(rc)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression id.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression id.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    stk.push(rc);
    Precondition Violations (8)
    Row Violation
    1Expression stk.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression stk.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression ((DataType)o).dieOnCircularReference(id,project) is a void method call, and thus it cannot be parameterized
    4Expression invokeCircularReferenceCheck((DataType)rc,stk,p) is a void method call, and thus it cannot be parameterized
    5Expression ((DataType)o).dieOnCircularReference(id,project) is a void method call, and thus it cannot be parameterized
    6Expression invokeCircularReferenceCheck((DataType)rc,stk,p) is a void method call, and thus it cannot be parameterized
    7Expression id.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression id.pop() cannot be parameterized, because it has dependencies to/from statements that will be extracted