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Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

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JumbledIncrementer

JumbledIncrementer

Avoid jumbled loop incrementers - its usually a mistake, and is confusing even if intentional.


 
//ForStatement
 [
  ForUpdate/StatementExpressionList/StatementExpression/PostfixExpression/PrimaryExpression/PrimaryPrefix/Name/@Image
  =
  ancestor::ForStatement/ForInit//VariableDeclaratorId/@Image
 ]
 

Example(s):


 
public class JumbledIncrementerRule1 {
	public void foo() {
		for (int i = 0; i < 10; i++) {			// only references 'i'
			for (int k = 0; k < 20; i++) {		// references both 'i' and 'k'
				System.out.println("Hello");
			}
		}
	}
}