switch (args.length) {
case 0:
return first();
case 1:
return first(args[0]);
default:
Arity.raiseArgumentError(getRuntime(), args.length, 0, 1);
return null; // not reached
}
switch (args.length) {
case 0: return to_s();
case 1: return to_s(args[0]);
default: throw getRuntime().newArgumentError(args.length, 1);
}
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyArray.java
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File path: /jruby-1.4.0/src/org/jruby/RubyFixnum.java
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Method name: IRubyObject first(IRubyObject[])
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Method name: RubyString to_s(IRubyObject[])
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Number of AST nodes: 8
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Number of AST nodes: 7
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1 | switch (args.length) {↵ | | 1 | switch (args.length) {↵
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2 | case 0:↵ | | 2 | case 0:↵
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3 | return first();↵ | | 3 | return to_s();↵
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4 | case 1:↵ | | 4 | case 1:↵
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5 | return first(args[0]);↵ | | 5 | return to_s(args[0]);↵
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6 | default:↵ | | 6 | default:↵
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7 | Arity.raiseArgumentError(getRuntime(), args.length, 0, 1);↵ | | |
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8 | return null; // not reached↵ | | 7 | throw getRuntime().newArgumentError(args.length, 1);↵
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9 | } | | 8 | }
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See real code fragment |
|
See real code fragment |
Summary
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1 |
Clones location | Clones are in different classes having the same super class |
Number of node comparisons | 32 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 5 |
Number of unmapped statements in the first code fragment | 3 |
Number of unmapped statements in the second code fragment | 2 |
Time elapsed for statement mapping (ms) | 1.4 |
Clone type | Type 3 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | switch (args.length) | | 1 | switch (args.length) |
2 | | | 2 | |
3 | | | | |
4 | | | 4 | |
| | | 5 | |
5 | | | | |
6 | | | 6 | |
7 | Arity.raiseArgumentError(getRuntime(), args.length, 0, 1); | | | |
8 | | | 3 | |
| | | 7 | throw getRuntime().newArgumentError(args.length, 1); |
Precondition Violations (4)
Row |
Violation |
1 | Unmatched return first(); |
2 | Unmatched return to_s(args[0]); |
3 | Unmatched return first(args[0]); |
4 | Unmatched throw getRuntime().newArgumentError(args.length,1); |