Package proguard.classfile.editor

Class VariableRemapper

java.lang.Object

proguard.classfile.editor.VariableRemapper

All Implemented Interfaces:

LocalVariableTargetElementVisitor, TargetInfoVisitor, TypeAnnotationVisitor, AttributeVisitor, LocalVariableInfoVisitor, LocalVariableTypeInfoVisitor, InstructionVisitor

public class VariableRemapper
extends java.lang.Object
implements AttributeVisitor, InstructionVisitor, LocalVariableInfoVisitor, LocalVariableTypeInfoVisitor, TypeAnnotationVisitor, TargetInfoVisitor, LocalVariableTargetElementVisitor

This AttributeVisitor remaps variable indexes in all attributes that it visits, based on a given index map.

Constructor Summary

Constructors

Constructor	Description
VariableRemapper()

Method Summary

Modifier and Type	Method	Description
void	setVariableMap(int[] variableMap)	Sets the given mapping of old variable indexes to their new indexes.
void	visitAnyAttribute(Clazz clazz, Attribute attribute)	Visits any Attribute instance.
void	visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction)	Visits any Instruction instance.
void	visitAnyTargetInfo(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfo targetInfo)	Visits any TargetInfo instance.
void	visitAnyTypeAnnotationsAttribute(Clazz clazz, TypeAnnotationsAttribute typeAnnotationsAttribute)	Visits any TypeAnnotationsAttribute instance.
void	visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
void	visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo)
void	visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute)
void	visitLocalVariableTargetElement(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetInfo localVariableTargetInfo, LocalVariableTargetElement localVariableTargetElement)
void	visitLocalVariableTargetInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetInfo localVariableTargetInfo)
void	visitLocalVariableTypeInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeInfo localVariableTypeInfo)
void	visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute)
void	visitMethodParametersAttribute(Clazz clazz, Method method, MethodParametersAttribute methodParametersAttribute)
void	visitTypeAnnotation(Clazz clazz, TypeAnnotation typeAnnotation)	Visits any TypeAnnotation instance.
void	visitVariableInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VariableInstruction variableInstruction)

Methods inherited from class java.lang.Object

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

Methods inherited from interface proguard.classfile.attribute.visitor.AttributeVisitor

visitAnnotationDefaultAttribute, visitAnyAnnotationsAttribute, visitAnyParameterAnnotationsAttribute, visitBootstrapMethodsAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLineNumberTableAttribute, visitModuleAttribute, visitModuleMainClassAttribute, visitModulePackagesAttribute, visitNestHostAttribute, visitNestMembersAttribute, visitPermittedSubclassesAttribute, visitRecordAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDebugExtensionAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute

Methods inherited from interface proguard.classfile.instruction.visitor.InstructionVisitor

visitAnySwitchInstruction, visitBranchInstruction, visitConstantInstruction, visitLookUpSwitchInstruction, visitSimpleInstruction, visitTableSwitchInstruction

Methods inherited from interface proguard.classfile.attribute.annotation.target.visitor.TargetInfoVisitor

visitCatchTargetInfo, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEmptyTargetInfo, visitFormalParameterTargetInfo, visitOffsetTargetInfo, visitSuperTypeTargetInfo, visitThrowsTargetInfo, visitTypeArgumentTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterTargetInfo, visitTypeParameterTargetInfo

Methods inherited from interface proguard.classfile.attribute.annotation.visitor.TypeAnnotationVisitor

visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation

Constructor Detail

VariableRemapper

public VariableRemapper()

Method Detail

setVariableMap

public void setVariableMap(int[] variableMap)

Sets the given mapping of old variable indexes to their new indexes. Variables that should disappear can be mapped to -1.

visitAnyAttribute

public void visitAnyAttribute(Clazz clazz,
                              Attribute attribute)

Description copied from interface: AttributeVisitor

Visits any Attribute instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitAnyAttribute in interface AttributeVisitor

visitMethodParametersAttribute

public void visitMethodParametersAttribute(Clazz clazz,
                                           Method method,
                                           MethodParametersAttribute methodParametersAttribute)

Specified by:

visitMethodParametersAttribute in interface AttributeVisitor

visitCodeAttribute

public void visitCodeAttribute(Clazz clazz,
                               Method method,
                               CodeAttribute codeAttribute)

Specified by:

visitCodeAttribute in interface AttributeVisitor

visitLocalVariableTableAttribute

public void visitLocalVariableTableAttribute(Clazz clazz,
                                             Method method,
                                             CodeAttribute codeAttribute,
                                             LocalVariableTableAttribute localVariableTableAttribute)

Specified by:

visitLocalVariableTableAttribute in interface AttributeVisitor

visitLocalVariableTypeTableAttribute

public void visitLocalVariableTypeTableAttribute(Clazz clazz,
                                                 Method method,
                                                 CodeAttribute codeAttribute,
                                                 LocalVariableTypeTableAttribute localVariableTypeTableAttribute)

Specified by:

visitLocalVariableTypeTableAttribute in interface AttributeVisitor

visitAnyTypeAnnotationsAttribute

public void visitAnyTypeAnnotationsAttribute(Clazz clazz,
                                             TypeAnnotationsAttribute typeAnnotationsAttribute)

Description copied from interface: AttributeVisitor

Visits any TypeAnnotationsAttribute instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitAnyTypeAnnotationsAttribute in interface AttributeVisitor

visitLocalVariableInfo

public void visitLocalVariableInfo(Clazz clazz,
                                   Method method,
                                   CodeAttribute codeAttribute,
                                   LocalVariableInfo localVariableInfo)

Specified by:

visitLocalVariableInfo in interface LocalVariableInfoVisitor

visitLocalVariableTypeInfo

public void visitLocalVariableTypeInfo(Clazz clazz,
                                       Method method,
                                       CodeAttribute codeAttribute,
                                       LocalVariableTypeInfo localVariableTypeInfo)

Specified by:

visitLocalVariableTypeInfo in interface LocalVariableTypeInfoVisitor

visitTypeAnnotation

public void visitTypeAnnotation(Clazz clazz,
                                TypeAnnotation typeAnnotation)

Description copied from interface: TypeAnnotationVisitor

Visits any TypeAnnotation instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitTypeAnnotation in interface TypeAnnotationVisitor

visitAnyTargetInfo

public void visitAnyTargetInfo(Clazz clazz,
                               TypeAnnotation typeAnnotation,
                               TargetInfo targetInfo)

Description copied from interface: TargetInfoVisitor

Visits any TargetInfo instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitAnyTargetInfo in interface TargetInfoVisitor

visitLocalVariableTargetInfo

public void visitLocalVariableTargetInfo(Clazz clazz,
                                         Method method,
                                         CodeAttribute codeAttribute,
                                         TypeAnnotation typeAnnotation,
                                         LocalVariableTargetInfo localVariableTargetInfo)

Specified by:

visitLocalVariableTargetInfo in interface TargetInfoVisitor

visitLocalVariableTargetElement

public void visitLocalVariableTargetElement(Clazz clazz,
                                            Method method,
                                            CodeAttribute codeAttribute,
                                            TypeAnnotation typeAnnotation,
                                            LocalVariableTargetInfo localVariableTargetInfo,
                                            LocalVariableTargetElement localVariableTargetElement)

Specified by:

visitLocalVariableTargetElement in interface LocalVariableTargetElementVisitor

visitAnyInstruction

public void visitAnyInstruction(Clazz clazz,
                                Method method,
                                CodeAttribute codeAttribute,
                                int offset,
                                Instruction instruction)

Description copied from interface: InstructionVisitor

Visits any Instruction instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitAnyInstruction in interface InstructionVisitor

visitVariableInstruction

public void visitVariableInstruction(Clazz clazz,
                                     Method method,
                                     CodeAttribute codeAttribute,
                                     int offset,
                                     VariableInstruction variableInstruction)

Specified by:

visitVariableInstruction in interface InstructionVisitor