Class UnnecessarilyUsedValue
- java.lang.Object
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- com.google.errorprone.bugpatterns.BugChecker
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- com.google.errorprone.bugpatterns.checkreturnvalue.UnnecessarilyUsedValue
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- All Implemented Interfaces:
BugChecker.AssignmentTreeMatcher
,BugChecker.VariableTreeMatcher
,Suppressible
,Serializable
public final class UnnecessarilyUsedValue extends BugChecker implements BugChecker.AssignmentTreeMatcher, BugChecker.VariableTreeMatcher
Checker that warns when capturing the result of an ignorable API into anunused
variable.- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class com.google.errorprone.bugpatterns.BugChecker
BugChecker.AnnotatedTypeTreeMatcher, BugChecker.AnnotationTreeMatcher, BugChecker.ArrayAccessTreeMatcher, BugChecker.ArrayTypeTreeMatcher, BugChecker.AssertTreeMatcher, BugChecker.AssignmentTreeMatcher, BugChecker.BinaryTreeMatcher, BugChecker.BlockTreeMatcher, BugChecker.BreakTreeMatcher, BugChecker.CaseTreeMatcher, BugChecker.CatchTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.CompilationUnitTreeMatcher, BugChecker.CompoundAssignmentTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.ContinueTreeMatcher, BugChecker.DoWhileLoopTreeMatcher, BugChecker.EmptyStatementTreeMatcher, BugChecker.EnhancedForLoopTreeMatcher, BugChecker.ExpressionStatementTreeMatcher, BugChecker.ForLoopTreeMatcher, BugChecker.IdentifierTreeMatcher, BugChecker.IfTreeMatcher, BugChecker.ImportTreeMatcher, BugChecker.InstanceOfTreeMatcher, BugChecker.IntersectionTypeTreeMatcher, BugChecker.LabeledStatementTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.LiteralTreeMatcher, BugChecker.MemberReferenceTreeMatcher, BugChecker.MemberSelectTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.MethodTreeMatcher, BugChecker.ModifiersTreeMatcher, BugChecker.NewArrayTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ParameterizedTypeTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.PrimitiveTypeTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.SuppressibleTreePathScanner<A extends Object,B extends Object>, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher
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Constructor Summary
Constructors Constructor Description UnnecessarilyUsedValue()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Description
matchAssignment(com.sun.source.tree.AssignmentTree assignmentTree, VisitorState state)
Description
matchVariable(com.sun.source.tree.VariableTree variableTree, VisitorState state)
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Methods inherited from class com.google.errorprone.bugpatterns.BugChecker
allNames, buildDescription, buildDescription, buildDescription, canonicalName, customSuppressionAnnotations, defaultSeverity, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, disableable, equals, hashCode, isSuppressed, isSuppressed, isSuppressed, isSuppressed, linkUrl, message, supportsSuppressWarnings, suppressedByAnyOf, suppressedRegions
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.google.errorprone.matchers.Suppressible
allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf
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Method Detail
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matchAssignment
public Description matchAssignment(com.sun.source.tree.AssignmentTree assignmentTree, VisitorState state)
- Specified by:
matchAssignment
in interfaceBugChecker.AssignmentTreeMatcher
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matchVariable
public Description matchVariable(com.sun.source.tree.VariableTree variableTree, VisitorState state)
- Specified by:
matchVariable
in interfaceBugChecker.VariableTreeMatcher
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