char ch = OUT_OF_BOUNDS; try { int i = br.read(); this.index = index+1; // this.index is index of next pos relative to charAt(0) if (i == -1) { // set flag that next should fail next time? end = index; return ch; } ch = (char) i; } catch (IOException ie) { } return ch;
char ch = OUT_OF_BOUNDS; try { int i = br.read(); this.index = index+1; // this.index is index of next pos relative to charAt(0) if (i == -1) { // set flag that next should fail next time? end = index; return ch; } ch = (char) i; } catch (IOException ie) { } return ch;
Clone fragments detected by clone detection tool
File path: /jEdit-4.2/src/gnu/regexp/CharIndexedInputStream.java File path: /jEdit-4.2/src/gnu/regexp/CharIndexedReader.java
Method name: char charAt(int) Method name: char charAt(int)
Number of AST nodes: 9 Number of AST nodes: 9
1
char ch = OUT_OF_BOUNDS;
1
char ch = OUT_OF_BOUNDS;
2
	
2
	
3
	try {
3
	try {
4
	    int i = br.read();
4
	    int i = br.read();
5
	    this.index = index+1; // this.index is index of next pos relative to charAt(0)
5
	    this.index = index+1; // this.index is index of next pos relative to charAt(0)
6
	    if (i == -1) {
6
	    if (i == -1) {
7
		// set flag that next should fail next time?
7
		// set flag that next should fail next time?
8
		end = index;
8
		end = index;
9
		return ch;
9
		return ch;
10
	    }
10
	    }
11
	    ch = (char) i;
11
	    ch = (char) i;
12
	} catch (IOException ie) { }
12
	} catch (IOException ie) { }
13
	
13
	
14
	return ch;
14
	return ch;
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)0.2
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    22
    char ch = OUT_OF_BOUNDS;
    22
    char ch = OUT_OF_BOUNDS;
    23
    try
    23
    try
    24
    int i = br.read();
    24
    int i = br.read();
    24
    int i = br.read();
    Differences
    Expression1Expression2Difference
    java.io.BufferedInputStreamjava.io.BufferedReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.BufferedInputStream of variable br does not match with type java.io.BufferedReader of variable br
    • Make classes java.io.BufferedInputStream and java.io.BufferedReader extend a common superclass
    24
    int i = br.read();
    25
    this.index = index + 1;
    25
    this.index = index + 1;
    26
    if (i == -1)
    26
    if (i == -1)
    27
    end = index;
    27
    end = index;
    28
    return ch;
    28
    return ch;
    29
    ch = (char)i;
    29
    ch = (char)i;
    30
    return ch;
    30
    return ch;
    Precondition Violations (1)
    Row Violation
    1Type java.io.BufferedInputStream of variable br does not match with type java.io.BufferedReader of variable br