Package edu.umd.cs.findbugs.ba.npe
Class NullDerefAndRedundantComparisonFinder
- java.lang.Object
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- edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder
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public class NullDerefAndRedundantComparisonFinder extends java.lang.Object
A user-friendly front end for finding null pointer dereferences and redundant null comparisions.- Author:
- David Hovemeyer
- See Also:
IsNullValueAnalysis
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Constructor Summary
Constructors Constructor Description NullDerefAndRedundantComparisonFinder(ClassContext classContext, org.apache.bcel.classfile.Method method, NullDerefAndRedundantComparisonCollector collector)
Constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description void
execute()
static BugAnnotation
findAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
static FieldAnnotation
findFieldAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
static LocalVariableAnnotation
findLocalAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
static XField
findXFieldFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
Deprecated.
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Constructor Detail
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NullDerefAndRedundantComparisonFinder
public NullDerefAndRedundantComparisonFinder(ClassContext classContext, org.apache.bcel.classfile.Method method, NullDerefAndRedundantComparisonCollector collector)
Constructor.- Parameters:
classContext
- the ClassContextmethod
- the method to analyzecollector
- the NullDerefAndRedundantComparisonCollector used to report null derefs and redundant null comparisons
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Method Detail
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execute
public void execute()
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findXFieldFromValueNumber
@Deprecated public static XField findXFieldFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
Deprecated.
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findFieldAnnotationFromValueNumber
@Deprecated public static FieldAnnotation findFieldAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
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findLocalAnnotationFromValueNumber
@Deprecated public static LocalVariableAnnotation findLocalAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
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findAnnotationFromValueNumber
@Deprecated public static BugAnnotation findAnnotationFromValueNumber(org.apache.bcel.classfile.Method method, Location location, ValueNumber valueNumber, ValueNumberFrame vnaFrame)
Deprecated.- Parameters:
method
- TODOlocation
-valueNumber
-vnaFrame
-- Returns:
- the annotation
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