ConstPool cp = classfile.getConstPool(); int c = iter.byteAt(pos); if (c != Opcode.PUTFIELD) { return pos; } int index = iter.u16bitAt(pos + 1); String fieldName = cp.getFieldrefName(index); String className = cp.getFieldrefClassName(index); if ( !filter.handleWriteAccess( className, fieldName ) ) { return pos; } String desc = "(" + cp.getFieldrefType( index ) + ")V"; int write_method_index = cp.addMethodrefInfo( cp.getThisClassInfo(), EACH_WRITE_METHOD_PREFIX + fieldName, desc ); iter.writeByte(Opcode.INVOKEVIRTUAL, pos); iter.write16bit(write_method_index, pos + 1); return pos;
ConstPool cp = classfile.getConstPool(); int c = iter.byteAt(pos); if (c != Opcode.GETFIELD) { return pos; } int index = iter.u16bitAt(pos + 1); String fieldName = cp.getFieldrefName(index); String className = cp.getFieldrefClassName(index); if ( !filter.handleReadAccess( className, fieldName ) ) { return pos; } String desc = "()" + cp.getFieldrefType( index ); int read_method_index = cp.addMethodrefInfo( cp.getThisClassInfo(), EACH_READ_METHOD_PREFIX + fieldName, desc ); iter.writeByte(Opcode.INVOKEVIRTUAL, pos); iter.write16bit(read_method_index, pos + 1); return pos;
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/bytecode/javassist/FieldTransformer.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/bytecode/javassist/FieldTransformer.java
Method name: int transformInvokevirtualsIntoPutfields(ClassFile, CodeIterator, int) Method name: int transformInvokevirtualsIntoGetfields(ClassFile, CodeIterator, int)
Number of AST nodes: 14 Number of AST nodes: 14
1
ConstPool cp = classfile.getConstPool();
1
ConstPool cp = classfile.getConstPool();
2
		int c = iter.byteAt(pos);
2
		int c = iter.byteAt(pos);
3
		if (c != Opcode.PUTFIELD) {
3
		if (c != Opcode.GETFIELD) {
4
			return pos;
4
			return pos;
5
		}
5
		}
6
		int index = iter.u16bitAt(pos + 1);
6
		int index = iter.u16bitAt(pos + 1);
7
		String fieldName = cp.getFieldrefName(index);
7
		String fieldName = cp.getFieldrefName(index);
8
		String className = cp.getFieldrefClassName(index);
8
		String className = cp.getFieldrefClassName(index);
9
		if ( !filter.handleWriteAccess( className, fieldName ) ) {
9
		if ( !filter.handleReadAccess( className, fieldName ) ) {
10
			return pos;
10
			return pos;
11
		}
11
		}
12
		String desc = "(" + cp.getFieldrefType( index ) + ")V";
12
		String desc = "()" + cp.getFieldrefType( index );
13
		int write_method_index = cp.addMethodrefInfo(
13
		int read_method_index = cp.addMethodrefInfo(
14
				cp.getThisClassInfo(),
14
				cp.getThisClassInfo(),
15
				EACH_WRITE_METHOD_PREFIX + fieldName,
15
				EACH_READ_METHOD_PREFIX + fieldName,
16
				desc
16
				desc
17
		);
17
		);
18
		iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
18
		iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
19
		iter.write16bit(write_method_index, pos + 1);
19
		iter.write16bit(read_method_index, pos + 1);
20
		return pos;
20
		return pos;
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)0.3
Clones locationClones are declared in the same class
Number of node comparisons113
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements14
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    ConstPool cp = classfile.getConstPool();
    1
    ConstPool cp = classfile.getConstPool();
    2
    int c = iter.byteAt(pos);
    2
    int c = iter.byteAt(pos);
    3
    if (c != Opcode.PUTFIELD)
    3
    if (c != Opcode.PUTFIELD)
    3
    if (c != Opcode.GETFIELD)
    Differences
    Expression1Expression2Difference
    PUTFIELDGETFIELDVARIABLE_NAME_MISMATCH
    3
    if (c != Opcode.GETFIELD)
    4
    return pos;
    4
    return pos;
    5
    int index = iter.u16bitAt(pos + 1);
    5
    int index = iter.u16bitAt(pos + 1);
    6
    String fieldName = cp.getFieldrefName(index);
    6
    String fieldName = cp.getFieldrefName(index);
    7
    String className = cp.getFieldrefClassName(index);
    7
    String className = cp.getFieldrefClassName(index);
    8
    if (!filter.handleWriteAccess(className, fieldName))
    8
    if (!filter.handleWriteAccess(className, fieldName))
    8
    if (!filter.handleReadAccess(className, fieldName))
    Differences
    Expression1Expression2Difference
    handleWriteAccesshandleReadAccessMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression filter.handleWriteAccess(className,fieldName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression filter.handleReadAccess(className,fieldName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!filter.handleReadAccess(className, fieldName))
    9
    return pos;
    9
    return pos;
    10
    String desc = "(" + cp.getFieldrefType(index) + ")V";
    10
    String desc = "(" + cp.getFieldrefType(index) + ")V";
    10
    String desc = "()" + cp.getFieldrefType(index);
    Differences
    Expression1Expression2Difference
    "(""()"LITERAL_VALUE_MISMATCH
    "(" + cp.getFieldrefType(index) + ")V""()" + cp.getFieldrefType(index)INFIX_EXTENDED_OPERAND_NUMBER_MISMATCH
    Preondition Violations
    Expression "(" + cp.getFieldrefType(index) + ")V" cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression "()" + cp.getFieldrefType(index) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    String desc = "()" + cp.getFieldrefType(index);
    11
    int write_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(), EACH_WRITE_METHOD_PREFIX + fieldName, desc);
    11
    int write_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(), EACH_WRITE_METHOD_PREFIX + fieldName, desc);
    11
    int read_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(), EACH_READ_METHOD_PREFIX + fieldName, desc);
    Differences
    Expression1Expression2Difference
    write_method_indexread_method_indexVARIABLE_NAME_MISMATCH
    EACH_WRITE_METHOD_PREFIXEACH_READ_METHOD_PREFIXVARIABLE_NAME_MISMATCH
    11
    int read_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(), EACH_READ_METHOD_PREFIX + fieldName, desc);
    12
    iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
    12
    iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
    13
    iter.write16bit(write_method_index, pos + 1);
    13
    iter.write16bit(write_method_index, pos + 1);
    13
    iter.write16bit(read_method_index, pos + 1);
    Differences
    Expression1Expression2Difference
    write_method_indexread_method_indexVARIABLE_NAME_MISMATCH
    13
    iter.write16bit(read_method_index, pos + 1);
    14
    return pos;
    14
    return pos;
    Precondition Violations (4)
    Row Violation
    1Expression filter.handleWriteAccess(className,fieldName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression filter.handleReadAccess(className,fieldName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression "(" + cp.getFieldrefType(index) + ")V" cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression "()" + cp.getFieldrefType(index) cannot be parameterized, because it has dependencies to/from statements that will be extracted