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	Provides some useful class and method adapters.
cn.taketoday.bytecode.core
cn.taketoday.bytecode.transform
cn.taketoday.bytecode.tree	Provides an ASM visitor that constructs a tree representation of the classes it visits.
cn.taketoday.bytecode.util	Provides ASM visitors that can be useful for programming and debugging purposes.

cn.taketoday.bytecode中Label的使用

返回Label的cn.taketoday.bytecode中的方法

修饰符和类型	方法	说明
protected Label[]	Attribute.getLabels()	Returns the labels corresponding to this attribute.
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
protected Attribute	Attribute.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)	Reads a Attribute.type attribute.
protected Attribute	CodeComment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
protected Attribute	Comment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
protected Label	ClassReader.readLabel(int bytecodeOffset, Label[] labels)	Returns the label corresponding to the given bytecode offset.
void	MethodVisitor.visitJumpInsn(int opcode, Label label)	Visits a jump instruction.
void	MethodVisitor.visitLabel(Label label)	Visits a label.
void	MethodVisitor.visitLineNumber(int line, Label start)	Visits a line number declaration.
void	MethodVisitor.visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)	Visits a local variable declaration.
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.
void	MethodVisitor.visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)	Visits a LOOKUPSWITCH instruction.
void	MethodVisitor.visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)	Visits a TABLESWITCH instruction.
void	MethodVisitor.visitTryCatchBlock(Label start, Label end, Label handler, String type)	Visits a try catch block.

cn.taketoday.bytecode.commons中Label的使用

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

修饰符和类型	方法	说明
protected Label[]	CodeComment.getLabels()
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
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	CodeComment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeOffset, Label[] labels)
protected Attribute	Comment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeOffset, Label[] labels)
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

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
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.
void	ObjectSwitchCallback.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

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.
protected Attribute	CodeComment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
protected Attribute	Comment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, 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
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.

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.
protected void	ASMifier.declareLabel(Label label)	Appends a declaration of the given label to Printer.stringBuilder.
protected Attribute	CodeComment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
protected Attribute	Comment.read(ClassReader classReader, int offset, int length, char[] charBuffer, int codeAttributeOffset, Label[] labels)
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	CodeComment.asmify(StringBuilder stringBuilder, String varName, Map<Label,String> labelNames)
void	Comment.asmify(StringBuilder stringBuilder, String varName, Map<Label,String> labelNames)
void	CodeComment.textify(StringBuilder stringBuilder, Map<Label,String> labelNames)
void	Comment.textify(StringBuilder stringBuilder, Map<Label,String> labelNames)
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.