Uses of Class
org.objectweb.asm.Label

Packages that use Label

Package	Description
org.objectweb.asm	Provides a small and fast bytecode manipulation framework.
org.objectweb.asm.commons	Provides some useful class and method adapters.
org.objectweb.asm.tree	Provides an ASM visitor that constructs a tree representation of the classes it visits.
org.objectweb.asm.util	Provides ASM visitors that can be useful for programming and debugging purposes.

Uses of Label in org.objectweb.asm

Fields in org.objectweb.asm declared as Label

Modifier and Type	Field	Description
private Label	MethodWriter.currentBasicBlock	The current basic block, i.e.
(package private) Label[]	Context.currentLocalVariableAnnotationRangeEnds	The end of each local variable range in the current local variable annotation.
(package private) Label[]	Context.currentLocalVariableAnnotationRangeStarts	The start of each local variable range in the current local variable annotation.
(package private) Label[]	Context.currentMethodLabels	The labels of the current method, indexed by bytecode offset (only bytecode offsets for which a label is needed have a non null associated Label).
(package private) static Label	Label.EMPTY_LIST	A sentinel element used to indicate the end of a list of labels.
(package private) Label	Handler.endPc	The end_pc field of this JVMS exception_table entry.
private Label	MethodWriter.firstBasicBlock	The first basic block of the method.
(package private) Label	Handler.handlerPc	The handler_pc field of this JVMS exception_table entry.
private Label	MethodWriter.lastBasicBlock	The last basic block of the method (in bytecode offset order).
(package private) Label	Label.nextBasicBlock	The successor of this label, in the order they are visited in MethodVisitor.visitLabel(org.objectweb.asm.Label).
(package private) Label	Label.nextListElement	The next element in the list of labels to which this label belongs, or null if it does not belong to any list.
(package private) Label	Frame.owner	The basic block to which these input and output stack map frames correspond.
(package private) Label	Handler.startPc	The start_pc field of this JVMS exception_table entry.
(package private) Label	Edge.successor	The successor block of this control flow graph edge.

Methods in org.objectweb.asm that return Label

Modifier and Type	Method	Description
private Label	ClassReader.createLabel(int bytecodeOffset, Label[] labels)	Creates a label without the FLAG_DEBUG_ONLY flag set, for the given bytecode offset.
(package private) Label	Label.getCanonicalInstance()	Returns the "canonical" Label instance corresponding to this label's bytecode offset, if known, otherwise the label itself.
protected Label[]	Attribute.getLabels()	Returns the labels corresponding to this attribute.
private Label	Label.pushSuccessors(Label listOfLabelsToProcess)	Adds the successors of this label in the method's control flow graph (except those corresponding to a jsr target, and those already in a list of labels) to the given list of blocks to process, and returns the new list.
protected Label	ClassReader.readLabel(int bytecodeOffset, Label[] labels)	Returns the label corresponding to the given bytecode offset.

Methods in org.objectweb.asm with parameters of type Label

Modifier and Type	Method	Description
(package private) void	Label.addSubroutineRetSuccessors(Label subroutineCaller)	Finds the basic blocks that end a subroutine starting with the basic block corresponding to this label and, for each one of them, adds an outgoing edge to the basic block following the given subroutine call.
private void	MethodWriter.addSuccessorToCurrentBasicBlock(int info, Label successor)	Adds a successor to MethodWriter.currentBasicBlock in the control flow graph.
private void	ClassReader.createDebugLabel(int bytecodeOffset, Label[] labels)	Creates a label with the FLAG_DEBUG_ONLY flag set, if there is no already existing label for the given bytecode offset (otherwise does nothing).
private Label	ClassReader.createLabel(int bytecodeOffset, Label[] labels)	Creates a label without the FLAG_DEBUG_ONLY flag set, for the given bytecode offset.
private Label	Label.pushSuccessors(Label listOfLabelsToProcess)	Adds the successors of this label in the method's control flow graph (except those corresponding to a jsr target, and those already in a list of labels) to the given list of blocks to process, and returns the new list.
protected Attribute	Attribute.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)	Reads a Attribute.type attribute.
private Attribute	ClassReader.readAttribute(Attribute[] attributePrototypes, java.lang.String type, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)	Reads a non standard JVMS 'attribute' structure in ClassReader.classFileBuffer.
protected Label	ClassReader.readLabel(int bytecodeOffset, Label[] labels)	Returns the label corresponding to the given bytecode offset.
private int	ClassReader.readVerificationTypeInfo(int verificationTypeInfoOffset, java.lang.Object[] frame, int index, char[] charBuffer, Label[] labels)	Reads a JVMS 'verification_type_info' structure and stores it at the given index in the given array.
(package private) static Handler	Handler.removeRange(Handler firstHandler, Label start, Label end)	Removes the range between start and end from the Handler list that begins with the given element.
void	MethodVisitor.visitJumpInsn(int opcode, Label label)	Visits a jump instruction.
void	MethodWriter.visitJumpInsn(int opcode, Label label)
void	MethodVisitor.visitLabel(Label label)	Visits a label.
void	MethodWriter.visitLabel(Label label)
void	MethodVisitor.visitLineNumber(int line, Label start)	Visits a line number declaration.
void	MethodWriter.visitLineNumber(int line, Label start)
void	MethodVisitor.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)	Visits a local variable declaration.
void	MethodWriter.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
AnnotationVisitor	MethodVisitor.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)	Visits an annotation on a local variable type.
AnnotationVisitor	MethodWriter.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
void	MethodVisitor.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)	Visits a LOOKUPSWITCH instruction.
void	MethodWriter.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
private void	MethodWriter.visitSwitchInsn(Label dflt, Label[] labels)
void	MethodVisitor.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)	Visits a TABLESWITCH instruction.
void	MethodWriter.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	MethodVisitor.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)	Visits a try catch block.
void	MethodWriter.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)

Constructors in org.objectweb.asm with parameters of type Label

Constructor	Description
CurrentFrame(Label owner)
Edge(int info, Label successor, Edge nextEdge)	Constructs a new Edge.
Frame(Label owner)	Constructs a new Frame.
Handler(Handler handler, Label startPc, Label endPc)	Constructs a new Handler from the given one, with a different scope.
Handler(Label startPc, Label endPc, Label handlerPc, int catchType, java.lang.String catchTypeDescriptor)	Constructs a new Handler.

Uses of Label in org.objectweb.asm.commons

Fields in org.objectweb.asm.commons with type parameters of type Label

Modifier and Type	Field	Description
private java.util.Map<Label,java.util.List<java.lang.Object>>	AdviceAdapter.forwardJumpStackFrames	The stack map frames corresponding to the labels of the forward jumps made *before* the super class constructor has been called (note that the Java Virtual Machine forbids backward jumps before the super class constructor is called).
private java.util.List<Label>	AnalyzerAdapter.labels	The labels that designate the next instruction to be visited.

Methods in org.objectweb.asm.commons that return Label

Modifier and Type	Method	Description
Label	GeneratorAdapter.mark()	Marks the current code position with a new label.
Label	GeneratorAdapter.newLabel()	Constructs a new Label.

Methods in org.objectweb.asm.commons with parameters of type Label

Modifier and Type	Method	Description
private void	AdviceAdapter.addForwardJump(Label label)
private void	AdviceAdapter.addForwardJumps(Label dflt, Label[] labels)
void	GeneratorAdapter.catchException(Label start, Label end, Type exception)	Marks the start of an exception handler.
void	TableSwitchGenerator.generateCase(int key, Label end)	Generates the code for a switch case.
void	GeneratorAdapter.goTo(Label label)	Generates the instruction to jump to the given label.
void	InstructionAdapter.goTo(Label label)
void	InstructionAdapter.ifacmpeq(Label label)
void	InstructionAdapter.ifacmpne(Label label)
void	GeneratorAdapter.ifCmp(Type type, int mode, Label label)	Generates the instructions to jump to a label based on the comparison of the top two stack values.
void	InstructionAdapter.ifeq(Label label)
void	InstructionAdapter.ifge(Label label)
void	InstructionAdapter.ifgt(Label label)
void	GeneratorAdapter.ifICmp(int mode, Label label)	Generates the instructions to jump to a label based on the comparison of the top two integer stack values.
void	InstructionAdapter.ificmpeq(Label label)
void	InstructionAdapter.ificmpge(Label label)
void	InstructionAdapter.ificmpgt(Label label)
void	InstructionAdapter.ificmple(Label label)
void	InstructionAdapter.ificmplt(Label label)
void	InstructionAdapter.ificmpne(Label label)
void	InstructionAdapter.ifle(Label label)
void	InstructionAdapter.iflt(Label label)
void	InstructionAdapter.ifne(Label label)
void	InstructionAdapter.ifnonnull(Label label)
void	GeneratorAdapter.ifNonNull(Label label)	Generates the instruction to jump to the given label if the top stack value is not null.
void	InstructionAdapter.ifnull(Label label)
void	GeneratorAdapter.ifNull(Label label)	Generates the instruction to jump to the given label if the top stack value is null.
void	GeneratorAdapter.ifZCmp(int mode, Label label)	Generates the instructions to jump to a label based on the comparison of the top integer stack value with zero.
void	InstructionAdapter.jsr(Label label)
void	InstructionAdapter.lookupswitch(Label dflt, int[] keys, Label[] labels)
void	GeneratorAdapter.mark(Label label)	Marks the current code position with the given label.
void	InstructionAdapter.mark(Label label)
protected Attribute	ModuleHashesAttribute.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
protected Attribute	ModuleResolutionAttribute.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeOffset, Label[] labels)
protected Attribute	ModuleTargetAttribute.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeOffset, Label[] labels)
void	InstructionAdapter.tableswitch(int min, int max, Label dflt, Label... labels)
void	AdviceAdapter.visitJumpInsn(int opcode, Label label)
void	AnalyzerAdapter.visitJumpInsn(int opcode, Label label)
void	CodeSizeEvaluator.visitJumpInsn(int opcode, Label label)
void	InstructionAdapter.visitJumpInsn(int opcode, Label label)
void	JSRInlinerAdapter.visitJumpInsn(int opcode, Label label)
void	AdviceAdapter.visitLabel(Label label)
void	AnalyzerAdapter.visitLabel(Label label)
void	InstructionAdapter.visitLabel(Label label)
void	AnalyzerAdapter.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
void	LocalVariablesSorter.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
void	MethodRemapper.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
AnnotationVisitor	LocalVariablesSorter.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
AnnotationVisitor	MethodRemapper.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
void	AdviceAdapter.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	AnalyzerAdapter.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	CodeSizeEvaluator.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	InstructionAdapter.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	AdviceAdapter.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	AnalyzerAdapter.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	CodeSizeEvaluator.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	InstructionAdapter.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	AdviceAdapter.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)
void	MethodRemapper.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)

Uses of Label in org.objectweb.asm.tree

Fields in org.objectweb.asm.tree declared as Label

Modifier and Type	Field	Description
private Label	LabelNode.value

Methods in org.objectweb.asm.tree that return Label

Modifier and Type	Method	Description
Label	LabelNode.getLabel()	Returns the label encapsulated by this node.

Methods in org.objectweb.asm.tree with parameters of type Label

Modifier and Type	Method	Description
protected LabelNode	MethodNode.getLabelNode(Label label)	Returns the LabelNode corresponding to the given Label.
private LabelNode[]	MethodNode.getLabelNodes(Label[] labels)
void	MethodNode.visitJumpInsn(int opcode, Label label)
void	MethodNode.visitLabel(Label label)
void	MethodNode.visitLineNumber(int line, Label start)
void	MethodNode.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
AnnotationVisitor	MethodNode.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
void	MethodNode.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	MethodNode.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	MethodNode.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)

Constructors in org.objectweb.asm.tree with parameters of type Label

Constructor	Description
LabelNode(Label label)

Uses of Label in org.objectweb.asm.util

Fields in org.objectweb.asm.util with type parameters of type Label

Modifier and Type	Field	Description
private java.util.List<Label>	CheckMethodAdapter.handlers	The exception handler ranges.
private java.util.Map<Label,java.lang.Integer>	CheckClassAdapter.labelInsnIndices	The index of the instruction designated by each visited label so far.
private java.util.Map<Label,java.lang.Integer>	CheckMethodAdapter.labelInsnIndices	The index of the instruction designated by each visited label.
protected java.util.Map<Label,java.lang.String>	ASMifier.labelNames	The name of the Label variables in the produced code.
protected java.util.Map<Label,java.lang.String>	Textifier.labelNames	The names of the labels.
private java.util.Set<Label>	CheckMethodAdapter.referencedLabels	The labels referenced by the visited method.

Methods in org.objectweb.asm.util with parameters of type Label

Modifier and Type	Method	Description
protected void	ASMifier.appendLabel(Label label)	Appends the name of the given label to Printer.stringBuilder.
protected void	Textifier.appendLabel(Label label)	Appends the name of the given label to Printer.stringBuilder.
private void	CheckMethodAdapter.checkLabel(Label label, boolean checkVisited, java.lang.String message)	Checks that the given label is not null.
protected void	ASMifier.declareLabel(Label label)	Appends a declaration of the given label to Printer.stringBuilder.
void	ASMifier.visitJumpInsn(int opcode, Label label)
void	CheckMethodAdapter.visitJumpInsn(int opcode, Label label)
abstract void	Printer.visitJumpInsn(int opcode, Label label)	Method jump instruction.
void	Textifier.visitJumpInsn(int opcode, Label label)
void	TraceMethodVisitor.visitJumpInsn(int opcode, Label label)
void	ASMifier.visitLabel(Label label)
void	CheckMethodAdapter.visitLabel(Label label)
abstract void	Printer.visitLabel(Label label)	Method label.
void	Textifier.visitLabel(Label label)
void	TraceMethodVisitor.visitLabel(Label label)
void	ASMifier.visitLineNumber(int line, Label start)
void	CheckMethodAdapter.visitLineNumber(int line, Label start)
abstract void	Printer.visitLineNumber(int line, Label start)	Method debug info.
void	Textifier.visitLineNumber(int line, Label start)
void	TraceMethodVisitor.visitLineNumber(int line, Label start)
void	ASMifier.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
void	CheckMethodAdapter.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
abstract void	Printer.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)	Method debug info.
void	Textifier.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
void	TraceMethodVisitor.visitLocalVariable(java.lang.String name, java.lang.String descriptor, java.lang.String signature, Label start, Label end, int index)
Printer	ASMifier.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
AnnotationVisitor	CheckMethodAdapter.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
Printer	Printer.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)	Local variable type annotation.
Printer	Textifier.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
AnnotationVisitor	TraceMethodVisitor.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, java.lang.String descriptor, boolean visible)
void	ASMifier.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	CheckMethodAdapter.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
abstract void	Printer.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)	Method instruction.
void	Textifier.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	TraceMethodVisitor.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	ASMifier.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	CheckMethodAdapter.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
abstract void	Printer.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)	Method instruction.
void	Textifier.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	TraceMethodVisitor.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	ASMifier.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)
void	CheckMethodAdapter.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)
abstract void	Printer.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)	Method exception handler.
void	Textifier.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)
void	TraceMethodVisitor.visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)

Method parameters in org.objectweb.asm.util with type arguments of type Label

Modifier and Type	Method	Description
void	ASMifierSupport.asmify(java.lang.StringBuilder outputBuilder, java.lang.String visitorVariableName, java.util.Map<Label,java.lang.String> labelNames)	Generates the ASM code to create an attribute equal to this attribute.
void	TextifierSupport.textify(java.lang.StringBuilder outputBuilder, java.util.Map<Label,java.lang.String> labelNames)	Generates a human readable representation of this attribute.

Constructor parameters in org.objectweb.asm.util with type arguments of type Label

Constructor	Description
CheckMethodAdapter(int api, int access, java.lang.String name, java.lang.String descriptor, MethodVisitor methodVisitor, java.util.Map<Label,java.lang.Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.
CheckMethodAdapter(int access, java.lang.String name, java.lang.String descriptor, MethodVisitor methodVisitor, java.util.Map<Label,java.lang.Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.
CheckMethodAdapter(int api, MethodVisitor methodVisitor, java.util.Map<Label,java.lang.Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.
CheckMethodAdapter(MethodVisitor methodVisitor, java.util.Map<Label,java.lang.Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.