类的使用
cn.taketoday.bytecode.Label

使用Label的程序包

程序包	说明
cn.taketoday.bytecode	CGLIB or ASM other byte code library
cn.taketoday.bytecode.commons
cn.taketoday.bytecode.core
cn.taketoday.bytecode.reflect
cn.taketoday.bytecode.transform
cn.taketoday.bytecode.tree
cn.taketoday.bytecode.util
cn.taketoday.core	Provides core helpers that are not specific to any part of the framework.

cn.taketoday.bytecode中Label的使用

声明为Label的cn.taketoday.bytecode中的字段

修饰符和类型	字段	说明
private Label	MethodWriter.currentBasicBlock	The current basic block, i.e. the basic block of the last visited instruction.
Label[]	Context.currentLocalVariableAnnotationRangeEnds	The end of each local variable range in the current local variable annotation.
Label[]	Context.currentLocalVariableAnnotationRangeStarts	The start of each local variable range in the current local variable annotation.
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).
(专用程序包) static final Label	Label.EMPTY_LIST	A sentinel element used to indicate the end of a list of labels.
final Label	Handler.endPc	The end_pc field of this JVMS exception_table entry.
private Label	MethodWriter.firstBasicBlock	The first basic block of the method.
final 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).
(专用程序包) Label	Label.nextBasicBlock	The successor of this label, in the order they are visited in MethodVisitor.visitLabel(cn.taketoday.bytecode.Label).
(专用程序包) 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.
Label	Frame.owner	The basic block to which these input and output stack map frames correspond.
final Label	Handler.startPc	The start_pc field of this JVMS exception_table entry.
final Label	Edge.successor	The successor block of this control flow graph edge.

返回Label的cn.taketoday.bytecode中的方法

修饰符和类型	方法	说明
private Label	ClassReader.createLabel(int bytecodeOffset, Label[] labels)	Creates a label without the FLAG_DEBUG_ONLY flag set, for the given bytecode offset.
(专用程序包) final 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.

参数类型为Label的cn.taketoday.bytecode中的方法

修饰符和类型	方法	说明
(专用程序包) final 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, 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, 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.
(专用程序包) 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(String name, String descriptor, String signature, Label start, Label end, int index)	Visits a local variable declaration.
void	MethodWriter.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
AnnotationVisitor	MethodVisitor.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, 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, 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, String type)	Visits a try catch block.
void	MethodWriter.visitTryCatchBlock(Label start, Label end, Label handler, String type)

参数类型为Label的cn.taketoday.bytecode中的构造器

限定符	构造器	说明
(专用程序包)	CurrentFrame(Label owner)
(专用程序包)	Edge(int info, Label successor, Edge nextEdge)	Constructs a new Edge.
(专用程序包)	Frame(Label owner)	Constructs a new Frame.
(专用程序包)	Handler(Handler handler, Label startPc, Label endPc)	Constructs a new Handler from the given one, with a different scope.
(专用程序包)	Handler(Label startPc, Label endPc, Label handlerPc, int catchType, String catchTypeDescriptor)	Constructs a new Handler.

cn.taketoday.bytecode.commons中Label的使用

类型参数类型为Label的cn.taketoday.bytecode.commons中的字段

修饰符和类型	字段	说明
private Map<Label,List<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 List<Label>	AnalyzerAdapter.labels	The labels that designate the next instruction to be visited.

返回Label的cn.taketoday.bytecode.commons中的方法

修饰符和类型	方法	说明
Label	GeneratorAdapter.mark()	Marks the current code position with a new label.
Label	GeneratorAdapter.newLabel()	Constructs a new Label.

参数类型为Label的cn.taketoday.bytecode.commons中的方法

修饰符和类型	方法	说明
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)
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	GeneratorAdapter.ifJump(int mode, 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(String name, String descriptor, String signature, Label start, Label end, int index)
void	LocalVariablesSorter.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
void	MethodRemapper.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
AnnotationVisitor	LocalVariablesSorter.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible)
AnnotationVisitor	MethodRemapper.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, 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, String type)
void	MethodRemapper.visitTryCatchBlock(Label start, Label end, Label handler, String type)

cn.taketoday.bytecode.core中Label的使用

声明为Label的cn.taketoday.bytecode.core中的字段

修饰符和类型	字段	说明
private Label	Block.end
private final Label	Block.start

返回Label的cn.taketoday.bytecode.core中的方法

修饰符和类型	方法	说明
Label	Block.getEnd()
Label	Block.getStart()

参数类型为Label的cn.taketoday.bytecode.core中的方法

修饰符和类型	方法	说明
private static void	EmitUtils.memberHelperSize(CodeEmitter e, List members, ObjectSwitchCallback callback, EmitUtils.ParameterTyper typer, Label def, Label end)
private static void	EmitUtils.memberHelperType(CodeEmitter e, List<MethodInfo> members, ObjectSwitchCallback callback, EmitUtils.ParameterTyper typer, Label def, Label end, BitSet checked)
static void	EmitUtils.notEquals(CodeEmitter e, Type type, Label notEquals, CustomizerRegistry registry)	Branches to the specified label if the top two items on the stack are not equal.
private static void	EmitUtils.notEqualsHelper(CodeEmitter e, Type type, Label notEquals, CustomizerRegistry registry, ProcessArrayCallback callback)
private static void	EmitUtils.nullcmp(CodeEmitter e, Label oneNull, Label bothNull)	If both objects on the top of the stack are non-null, does nothing.
void	ObjectSwitchCallback.processCase(Object key, Label end)
private static void	EmitUtils.stringSwitchHelper(CodeEmitter e, List strings, ObjectSwitchCallback callback, Label def, Label end, int index)

cn.taketoday.bytecode.reflect中Label的使用

参数类型为Label的cn.taketoday.bytecode.reflect中的方法

修饰符和类型	方法	说明
void	MethodAccessEmitter.GetIndexCallback.processCase(Object key, Label end)

cn.taketoday.bytecode.transform中Label的使用

参数类型为Label的cn.taketoday.bytecode.transform中的方法

修饰符和类型	方法	说明
void	MethodVisitorTee.visitJumpInsn(int opcode, Label label)
void	MethodVisitorTee.visitLabel(Label label)
void	MethodVisitorTee.visitLineNumber(int line, Label start)
void	MethodVisitorTee.visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index)
AnnotationVisitor	MethodVisitorTee.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String desc, boolean visible)
void	MethodVisitorTee.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	MethodVisitorTee.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	MethodVisitorTee.visitTryCatchBlock(Label start, Label end, Label handler, String type)

cn.taketoday.bytecode.tree中Label的使用

声明为Label的cn.taketoday.bytecode.tree中的字段

修饰符和类型	字段	说明
private Label	LabelNode.value

返回Label的cn.taketoday.bytecode.tree中的方法

修饰符和类型	方法	说明
Label	LabelNode.getLabel()	Returns the label encapsulated by this node.

参数类型为Label的cn.taketoday.bytecode.tree中的方法

修饰符和类型	方法	说明
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(String name, String descriptor, String signature, Label start, Label end, int index)
AnnotationVisitor	MethodNode.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, 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, String type)

参数类型为Label的cn.taketoday.bytecode.tree中的构造器

限定符	构造器	说明
	LabelNode(Label label)

cn.taketoday.bytecode.util中Label的使用

类型参数类型为Label的cn.taketoday.bytecode.util中的字段

修饰符和类型	字段	说明
private final List<Label>	CheckMethodAdapter.handlers	The exception handler ranges.
private final Map<Label,Integer>	CheckClassAdapter.labelInsnIndices	The index of the instruction designated by each visited label so far.
private final Map<Label,Integer>	CheckMethodAdapter.labelInsnIndices	The index of the instruction designated by each visited label.
protected Map<Label,String>	ASMifier.labelNames	The name of the Label variables in the produced code.
protected Map<Label,String>	Textifier.labelNames	The names of the labels.
private final Set<Label>	CheckMethodAdapter.referencedLabels	The labels referenced by the visited method.

参数类型为Label的cn.taketoday.bytecode.util中的方法

修饰符和类型	方法	说明
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, 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(String name, String descriptor, String signature, Label start, Label end, int index)
void	CheckMethodAdapter.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
abstract void	Printer.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)	Method debug info.
void	Textifier.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
void	TraceMethodVisitor.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
Printer	ASMifier.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible)
AnnotationVisitor	CheckMethodAdapter.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible)
Printer	Printer.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible)	Local variable type annotation.
Printer	Textifier.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, String descriptor, boolean visible)
AnnotationVisitor	TraceMethodVisitor.visitLocalVariableAnnotation(int typeRef, TypePath typePath, Label[] start, Label[] end, int[] index, 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, String type)
void	CheckMethodAdapter.visitTryCatchBlock(Label start, Label end, Label handler, String type)
abstract void	Printer.visitTryCatchBlock(Label start, Label end, Label handler, String type)	Method exception handler.
void	Textifier.visitTryCatchBlock(Label start, Label end, Label handler, String type)
void	TraceMethodVisitor.visitTryCatchBlock(Label start, Label end, Label handler, String type)

类型变量类型为Label的cn.taketoday.bytecode.util中的方法参数

修饰符和类型	方法	说明
void	ASMifierSupport.asmify(StringBuilder outputBuilder, String visitorVariableName, Map<Label,String> labelNames)	Generates the ASM code to create an attribute equal to this attribute.
void	TextifierSupport.textify(StringBuilder outputBuilder, Map<Label,String> labelNames)	Generates a human readable representation of this attribute.

类型变量类型为Label的cn.taketoday.bytecode.util中的构造器参数

限定符	构造器	说明
	CheckMethodAdapter(int access, String name, String descriptor, MethodVisitor methodVisitor, Map<Label,Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.
	CheckMethodAdapter(MethodVisitor methodVisitor, Map<Label,Integer> labelInsnIndices)	Constructs a new CheckMethodAdapter object.

cn.taketoday.core中Label的使用

参数类型为Label的cn.taketoday.core中的方法

修饰符和类型	方法	说明
void	LocalVariableTableParameterNameDiscoverer.LocalVariableTableVisitor.visitLocalVariable(String name, String description, String signature, Label start, Label end, int index)