if(undoMgr == null) return; if(!isEditable()) { textArea.getToolkit().beep(); return; } try { writeLock(); setFlag(UNDO_IN_PROGRESS,true); int caret = undoMgr.undo(); if(caret == -1) textArea.getToolkit().beep(); else textArea.setCaretPosition(caret); fireTransactionComplete(); } finally { setFlag(UNDO_IN_PROGRESS,false); writeUnlock(); }
if(undoMgr == null) return; if(!isEditable()) { Toolkit.getDefaultToolkit().beep(); return; } try { writeLock(); setFlag(UNDO_IN_PROGRESS,true); int caret = undoMgr.redo(); if(caret == -1) textArea.getToolkit().beep(); else textArea.setCaretPosition(caret); fireTransactionComplete(); } finally { setFlag(UNDO_IN_PROGRESS,false); writeUnlock(); }
Clone fragments detected by clone detection tool
File path: /jEdit-4.2/src/org/gjt/sp/jedit/Buffer.java File path: /jEdit-4.2/src/org/gjt/sp/jedit/Buffer.java
Method name: void undo(JEditTextArea) Method name: void redo(JEditTextArea)
Number of AST nodes: 13 Number of AST nodes: 13
1
if(undoMgr == null)
1
if(undoMgr == null)
2
			return;
2
			return;
3
		if(!isEditable())
3
		if(!isEditable())
4
		{
4
		{
5
			textArea.getToolkit().beep();
5
			Toolkit.getDefaultToolkit().beep();
6
			return;
6
			return;
7
		}
7
		}
8
		try
8
		try
9
		{
9
		{
10
			writeLock();
10
			writeLock();
11
			setFlag(UNDO_IN_PROGRESS,true);
11
			setFlag(UNDO_IN_PROGRESS,true);
12
			int caret = undoMgr.undo();
12
			int caret = undoMgr.redo();
13
			if(caret == -1)
13
			if(caret == -1)
14
				textArea.getToolkit().beep();
14
				textArea.getToolkit().beep();
15
			else
15
			else
16
				textArea.setCaretPosition(caret);
16
				textArea.setCaretPosition(caret);
17
			fireTransactionComplete();
17
			fireTransactionComplete();
18
		}
18
		}
19
		finally
19
		finally
20
		{
20
		{
21
			setFlag(UNDO_IN_PROGRESS,false);
21
			setFlag(UNDO_IN_PROGRESS,false);
22
			writeUnlock();
22
			writeUnlock();
23
		}
23
		}
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)0.6
Clones locationClones are declared in the same class
Number of node comparisons54
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements13
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)3.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (undoMgr == null)
    1
    if (undoMgr == null)
    2
    return;
    2
    return;
    3
    if (!isEditable())
    3
    if (!isEditable())
    4
    textArea.getToolkit().beep();
    4
    textArea.getToolkit().beep();
    4
    Toolkit.getDefaultToolkit().beep();
    Differences
    Expression1Expression2Difference
    getToolkitgetDefaultToolkitMETHOD_INVOCATION_NAME_MISMATCH
    org.gjt.sp.jedit.textarea.JEditTextAreajava.awt.ToolkitVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.gjt.sp.jedit.textarea.JEditTextArea of variable textArea does not match with type java.awt.Toolkit of variable Toolkit
    • Make classes org.gjt.sp.jedit.textarea.JEditTextArea and java.awt.Toolkit extend a common superclass
    4
    Toolkit.getDefaultToolkit().beep();
    5
    return;
    5
    return;
    6
    try
    6
    try
    7
    writeLock();
    7
    writeLock();
    8
    setFlag(UNDO_IN_PROGRESS, true);
    8
    setFlag(UNDO_IN_PROGRESS, true);
    9
    int caret = undoMgr.undo();
    9
    int caret = undoMgr.undo();
    9
    int caret = undoMgr.redo();
    Differences
    Expression1Expression2Difference
    undoredoMETHOD_INVOCATION_NAME_MISMATCH
    9
    int caret = undoMgr.redo();
    10
    if (caret == -1)
    10
    if (caret == -1)
    11
    textArea.getToolkit().beep();
    11
    textArea.getToolkit().beep();
    else
    else
    12
    textArea.setCaretPosition(caret);
    12
    textArea.setCaretPosition(caret);
    13
    fireTransactionComplete();
    13
    fireTransactionComplete();
    Precondition Violations (1)
    Row Violation
    1Type org.gjt.sp.jedit.textarea.JEditTextArea of variable textArea does not match with type java.awt.Toolkit of variable Toolkit