Uses of Interface
java.lang.classfile.Label

Packages that use Label

Package	Description
java.lang.classfile	Provides classfile parsing, generation, and transformation library.
java.lang.classfile.attribute	Provides interfaces describing class file attributes for the java.lang.classfile library.
java.lang.classfile.instruction	Provides interfaces describing code instructions for the java.lang.classfile library.

Uses of Label in java.lang.classfile

Methods in java.lang.classfile that return Label

Modifier and Type	Method	Description
Label	CodeBuilder.BlockCodeBuilder.breakLabel()	Returns the label locating where control is passed back to the parent block.
Label	CodeBuilder.endLabel()	Returns the label associated with the end of the current block.
Label	TypeAnnotation.LocalVarTargetInfo.endLabel()	The given local variable has a value at indices into the code array in the interval [start_pc, start_pc + length), that is, between start_pc inclusive and start_pc + length exclusive.
default Label	CodeBuilder.newBoundLabel()	Creates a new label bound at the current position.
Label	CodeBuilder.newLabel()	Returns a fresh unbound label.
Label	CodeBuilder.startLabel()	Returns the label associated with the beginning of the current block.
Label	TypeAnnotation.LocalVarTargetInfo.startLabel()	The given local variable has a value at indices into the code array in the interval [start_pc, start_pc + length), that is, between start_pc inclusive and start_pc + length exclusive.
Label	TypeAnnotation.OffsetTarget.target()	The label right before the Instruction corresponding to the instanceof expression, the new expression, or the method reference expression.
Label	TypeAnnotation.TypeArgumentTarget.target()	The label right before the Instruction corresponding to the cast expression, the new expression, the explicit constructor invocation statement, the method invocation expression, or the method reference expression.

Methods in java.lang.classfile with parameters of type Label

Modifier and Type	Method	Description
default CodeBuilder	CodeBuilder.branch(Opcode op, Label target)	Generates a branch instruction.
default CodeBuilder	CodeBuilder.characterRange(Label startScope, Label endScope, int characterRangeStart, int characterRangeEnd, int flags)	Declares a character range entry.
default CodeBuilder	CodeBuilder.exceptionCatch(Label start, Label end, Label handler, ClassEntry catchType)	Declares an exception table entry.
default CodeBuilder	CodeBuilder.exceptionCatch(Label start, Label end, Label handler, ClassDesc catchType)	Declares an exception table entry.
default CodeBuilder	CodeBuilder.exceptionCatch(Label start, Label end, Label handler, Optional<ClassEntry> catchType)	Declares an exception table entry.
default CodeBuilder	CodeBuilder.exceptionCatchAll(Label start, Label end, Label handler)	Declares an exception table entry catching all exceptions and errors.
default CodeBuilder	CodeBuilder.goto_(Label target)	Generates an instruction to branch always.
default CodeBuilder	CodeBuilder.goto_w(Label target)	Generates an instruction to branch always with wide index.
default CodeBuilder	CodeBuilder.if_acmpeq(Label target)	Generates an instruction to branch if reference comparison operand1 == operand2 succeeds.
default CodeBuilder	CodeBuilder.if_acmpne(Label target)	Generates an instruction to branch if reference comparison operand1 != operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmpeq(Label target)	Generates an instruction to branch if int comparison operand1 == operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmpge(Label target)	Generates an instruction to branch if int comparison operand1 >= operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmpgt(Label target)	Generates an instruction to branch if int comparison operand1 > operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmple(Label target)	Generates an instruction to branch if int comparison operand1 <= operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmplt(Label target)	Generates an instruction to branch if int comparison operand1 < operand2 succeeds.
default CodeBuilder	CodeBuilder.if_icmpne(Label target)	Generates an instruction to branch if int comparison operand1 != operand2 succeeds.
default CodeBuilder	CodeBuilder.ifeq(Label target)	Generates an instruction to branch if int comparison with zero == 0 succeeds.
default CodeBuilder	CodeBuilder.ifge(Label target)	Generates an instruction to branch if int comparison with zero >= 0 succeeds.
default CodeBuilder	CodeBuilder.ifgt(Label target)	Generates an instruction to branch if int comparison with zero > 0 succeeds.
default CodeBuilder	CodeBuilder.ifle(Label target)	Generates an instruction to branch if int comparison with zero <= 0 succeeds.
default CodeBuilder	CodeBuilder.iflt(Label target)	Generates an instruction to branch if int comparison with zero < 0 succeeds.
default CodeBuilder	CodeBuilder.ifne(Label target)	Generates an instruction to branch if int comparison with zero != 0 succeeds.
default CodeBuilder	CodeBuilder.ifnonnull(Label target)	Generates an instruction to branch if reference is not null.
default CodeBuilder	CodeBuilder.ifnull(Label target)	Generates an instruction to branch if reference is null.
default CodeBuilder	CodeBuilder.labelBinding(Label label)	Binds a label to the current position.
default CodeBuilder	CodeBuilder.localVariable(int slot, Utf8Entry nameEntry, Utf8Entry descriptorEntry, Label startScope, Label endScope)	Declares a local variable entry.
default CodeBuilder	CodeBuilder.localVariable(int slot, String name, ClassDesc descriptor, Label startScope, Label endScope)	Declares a local variable entry.
default CodeBuilder	CodeBuilder.localVariableType(int slot, Utf8Entry nameEntry, Utf8Entry signatureEntry, Label startScope, Label endScope)	Declares a local variable type entry.
default CodeBuilder	CodeBuilder.localVariableType(int slot, String name, Signature signature, Label startScope, Label endScope)	Declares a local variable type entry.
default CodeBuilder	CodeBuilder.lookupswitch(Label defaultTarget, List<SwitchCase> cases)	Generates an instruction to access a jump table by key match and jump.
static TypeAnnotation.LocalVarTargetInfo	TypeAnnotation.LocalVarTargetInfo.of(Label startLabel, Label endLabel, int index)	Returns local variable target info.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofCastExpr(Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type in a cast expression.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofConstructorInvocationTypeArgument(Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type argument in the explicit type argument list for an explicit constructor invocation statement.
static TypeAnnotation.OffsetTarget	TypeAnnotation.TargetInfo.ofConstructorReference(Label target)	Returns a target for annotations on the type before the :: in a constructor reference expression.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofConstructorReferenceTypeArgument(Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type argument in the explicit type argument list for a new expression.
static TypeAnnotation.OffsetTarget	TypeAnnotation.TargetInfo.ofInstanceofExpr(Label target)	Returns a target for annotations on the type in an instanceof expression.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofMethodInvocationTypeArgument(Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type argument in the explicit type argument list for a method invocation expression.
static TypeAnnotation.OffsetTarget	TypeAnnotation.TargetInfo.ofMethodReference(Label target)	Returns a target for annotations on the type before the :: in a method reference expression.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofMethodReferenceTypeArgument(Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type argument in the explicit type argument list for a method reference expression.
static TypeAnnotation.OffsetTarget	TypeAnnotation.TargetInfo.ofNewExpr(Label target)	Returns a target for annotations on the type in a new expression.
static TypeAnnotation.OffsetTarget	TypeAnnotation.TargetInfo.ofOffset(TypeAnnotation.TargetType targetType, Label target)	Returns a target for annotations on the type in an instanceof expression or a new expression, or the type before the :: in a method reference expression.
static TypeAnnotation.TypeArgumentTarget	TypeAnnotation.TargetInfo.ofTypeArgument(TypeAnnotation.TargetType targetType, Label target, int typeArgumentIndex)	Returns a target for annotations on the i'th type in a cast expression, or on the i'th type argument in the explicit type argument list for any of the following: a new expression, an explicit constructor invocation statement, a method invocation expression, or a method reference expression.
default CodeBuilder	CodeBuilder.tableswitch(int low, int high, Label defaultTarget, List<SwitchCase> cases)	Generates an instruction to access a jump table by index and jump.
default CodeBuilder	CodeBuilder.tableswitch(Label defaultTarget, List<SwitchCase> cases)	Generates an instruction to access a jump table by index and jump.

Uses of Label in java.lang.classfile.attribute

Methods in java.lang.classfile.attribute that return Label

Modifier and Type	Method	Description
Label	StackMapFrameInfo.UninitializedVerificationTypeInfo.newTarget()	Returns the label immediately before the new instruction that creates this uninitialized object.
Label	StackMapFrameInfo.target()	Returns the frame target label.

Methods in java.lang.classfile.attribute with parameters of type Label

Modifier and Type	Method	Description
int	CodeAttribute.labelToBci(Label label)	Returns the position of the label in the codeArray.
static StackMapFrameInfo	StackMapFrameInfo.of(Label target, List<StackMapFrameInfo.VerificationTypeInfo> locals, List<StackMapFrameInfo.VerificationTypeInfo> stack)	Returns a new stack map frame.
static StackMapFrameInfo.UninitializedVerificationTypeInfo	StackMapFrameInfo.UninitializedVerificationTypeInfo.of(Label newTarget)	Returns an uninitialized verification type info.

Uses of Label in java.lang.classfile.instruction

Methods in java.lang.classfile.instruction that return Label

Modifier and Type	Method	Description
Label	LookupSwitchInstruction.defaultTarget()	Returns the target of the default case.
Label	TableSwitchInstruction.defaultTarget()	Returns the default target of the switch.
Label	CharacterRange.endScope()	Returns the end of the instruction range.
Label	LocalVariable.endScope()	Returns the end range of the local variable scope.
Label	LocalVariableType.endScope()	Returns the end range of the local variable scope.
Label	ExceptionCatch.handler()	Returns the handler for the exception.
Label	LabelTarget.label()	Returns the label corresponding to this target.
Label	CharacterRange.startScope()	Returns the start of the instruction range.
Label	LocalVariable.startScope()	Returns the start range of the local variable scope.
Label	LocalVariableType.startScope()	Returns the start range of the local variable scope.
Label	BranchInstruction.target()	Returns the branch target of this instruction.
Label	DiscontinuedInstruction.JsrInstruction.target()	Returns the target of the jump subroutine instruction.
Label	SwitchCase.target()	Returns the branch target corresponding to this case.
Label	ExceptionCatch.tryEnd()	Returns the end of the instruction range for the guarded instructions.
Label	ExceptionCatch.tryStart()	Returns the beginning of the instruction range for the guarded instructions.

Methods in java.lang.classfile.instruction with parameters of type Label

Modifier and Type	Method	Description
static BranchInstruction	BranchInstruction.of(Opcode op, Label target)	Returns a branch instruction.
static CharacterRange	CharacterRange.of(Label startScope, Label endScope, int characterRangeStart, int characterRangeEnd, int flags)	Returns a character range pseudo-instruction.
static DiscontinuedInstruction.JsrInstruction	DiscontinuedInstruction.JsrInstruction.of(Label target)	Returns a jump subroutine instruction.
static DiscontinuedInstruction.JsrInstruction	DiscontinuedInstruction.JsrInstruction.of(Opcode op, Label target)	Returns a jump subroutine instruction.
static ExceptionCatch	ExceptionCatch.of(Label handler, Label tryStart, Label tryEnd)	Returns an exception table pseudo-instruction to catch everything.
static ExceptionCatch	ExceptionCatch.of(Label handler, Label tryStart, Label tryEnd, Optional<ClassEntry> catchTypeEntry)	Returns an exception table pseudo-instruction.
static LocalVariable	LocalVariable.of(int slot, Utf8Entry nameEntry, Utf8Entry descriptorEntry, Label startScope, Label endScope)	Returns a local variable pseudo-instruction.
static LocalVariable	LocalVariable.of(int slot, String name, ClassDesc descriptor, Label startScope, Label endScope)	Returns a local variable pseudo-instruction.
static LocalVariableType	LocalVariableType.of(int slot, Utf8Entry nameEntry, Utf8Entry signatureEntry, Label startScope, Label endScope)	Returns a local variable type pseudo-instruction.
static LocalVariableType	LocalVariableType.of(int slot, String name, Signature signature, Label startScope, Label endScope)	Returns a local variable type pseudo-instruction.
static LookupSwitchInstruction	LookupSwitchInstruction.of(Label defaultTarget, List<SwitchCase> cases)	Returns a lookup switch instruction.
static SwitchCase	SwitchCase.of(int caseValue, Label target)	Returns a new switch case.
static TableSwitchInstruction	TableSwitchInstruction.of(int lowValue, int highValue, Label defaultTarget, List<SwitchCase> cases)	Returns a table switch instruction.