Package com.google.errorprone.bugpatterns.nullness

Class UnsafeWildcard

java.lang.Object

com.google.errorprone.bugpatterns.BugChecker

com.google.errorprone.bugpatterns.nullness.UnsafeWildcard

All Implemented Interfaces:

BugChecker.AssignmentTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.VariableTreeMatcher, Suppressible, Serializable

public class UnsafeWildcard
extends BugChecker
implements BugChecker.AssignmentTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.VariableTreeMatcher

Check to detect unsafe upcasts of null values to wildcard types.

See Also:

• Serialized Form

Nested Class Summary

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<R,P>, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher

Constructor Summary

Constructors

Constructor	Description
UnsafeWildcard()

Method Summary

Modifier and Type	Method	Description
Description	matchAssignment(com.sun.source.tree.AssignmentTree tree, VisitorState state)
Description	matchClass(com.sun.source.tree.ClassTree tree, VisitorState state)
Description	matchConditionalExpression(com.sun.source.tree.ConditionalExpressionTree tree, VisitorState state)
Description	matchLambdaExpression(com.sun.source.tree.LambdaExpressionTree tree, VisitorState state)
Description	matchMethodInvocation(com.sun.source.tree.MethodInvocationTree tree, VisitorState state)
Description	matchNewClass(com.sun.source.tree.NewClassTree tree, VisitorState state)
Description	matchParenthesized(com.sun.source.tree.ParenthesizedTree tree, VisitorState state)
Description	matchReturn(com.sun.source.tree.ReturnTree tree, VisitorState state)
Description	matchTypeCast(com.sun.source.tree.TypeCastTree tree, VisitorState state)
Description	matchVariable(com.sun.source.tree.VariableTree tree, VisitorState state)

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

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.errorprone.matchers.Suppressible

allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf

Constructor Details

UnsafeWildcard

public UnsafeWildcard()

Method Details

matchAssignment

public Description matchAssignment(com.sun.source.tree.AssignmentTree tree,
 VisitorState state)

Specified by:

matchAssignment in interface BugChecker.AssignmentTreeMatcher

matchClass

public Description matchClass(com.sun.source.tree.ClassTree tree,
 VisitorState state)

Specified by:

matchClass in interface BugChecker.ClassTreeMatcher

matchConditionalExpression

public Description matchConditionalExpression(com.sun.source.tree.ConditionalExpressionTree tree,
 VisitorState state)

Specified by:

matchConditionalExpression in interface BugChecker.ConditionalExpressionTreeMatcher

matchLambdaExpression

public Description matchLambdaExpression(com.sun.source.tree.LambdaExpressionTree tree,
 VisitorState state)

Specified by:

matchLambdaExpression in interface BugChecker.LambdaExpressionTreeMatcher

matchMethodInvocation

public Description matchMethodInvocation(com.sun.source.tree.MethodInvocationTree tree,
 VisitorState state)

Specified by:

matchMethodInvocation in interface BugChecker.MethodInvocationTreeMatcher

matchNewClass

public Description matchNewClass(com.sun.source.tree.NewClassTree tree,
 VisitorState state)

Specified by:

matchNewClass in interface BugChecker.NewClassTreeMatcher

matchParenthesized

public Description matchParenthesized(com.sun.source.tree.ParenthesizedTree tree,
 VisitorState state)

Specified by:

matchParenthesized in interface BugChecker.ParenthesizedTreeMatcher

matchReturn

public Description matchReturn(com.sun.source.tree.ReturnTree tree,
 VisitorState state)

Specified by:

matchReturn in interface BugChecker.ReturnTreeMatcher

matchTypeCast

public Description matchTypeCast(com.sun.source.tree.TypeCastTree tree,
 VisitorState state)

Specified by:

matchTypeCast in interface BugChecker.TypeCastTreeMatcher

matchVariable

public Description matchVariable(com.sun.source.tree.VariableTree tree,
 VisitorState state)

Specified by:

matchVariable in interface BugChecker.VariableTreeMatcher