proguard.classfile.editor

Class VariableRemapper

java.lang.Object

proguard.classfile.util.SimplifiedVisitor

proguard.classfile.editor.VariableRemapper

All Implemented Interfaces:

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

public class VariableRemapper
extends SimplifiedVisitor
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.

Author:

Eric Lafortune

Constructor Summary

Constructors

Constructor and Description
VariableRemapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	setVariableMap(int[] variableMap) Sets the given mapping of old variable indexes to their new indexes.
void	visitAnyAttribute(Clazz clazz, Attribute attribute) Visit any type of attribute.
void	visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) Visits any type of Instruction.
void	visitAnyTargetInfo(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfo targetInfo) Visits any type of TargetInfo.
void	visitAnyTypeAnnotationsAttribute(Clazz clazz, TypeAnnotationsAttribute typeAnnotationsAttribute) Visits any type of TypeAnnotationsAttribute of a class.
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)
void	visitVariableInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VariableInstruction variableInstruction)

Methods inherited from class proguard.classfile.util.SimplifiedVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotationDefaultAttribute, visitAnnotationElementValue, visitAnyAnnotationsAttribute, visitAnyClass, visitAnyConstant, visitAnyElementValue, visitAnyMember, visitAnyMethodrefConstant, visitAnyParameterAnnotationsAttribute, visitAnyRefConstant, visitAnyStackMapFrame, visitAnySwitchInstruction, visitAnyVerificationType, visitArrayElementValue, visitBootstrapMethodsAttribute, visitBranchInstruction, visitCatchTargetInfo, visitClassConstant, visitClassElementValue, visitConstantElementValue, visitConstantInstruction, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDoubleConstant, visitDoubleType, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEnclosingMethodAttribute, visitEnumConstantElementValue, visitExceptionsAttribute, visitFieldrefConstant, visitFloatConstant, visitFloatType, visitFormalParameterTargetInfo, visitFullFrame, visitInnerClassesAttribute, visitIntegerConstant, visitIntegerType, visitInterfaceMethodrefConstant, visitInvokeDynamicConstant, visitLessZeroFrame, visitLibraryClass, visitLibraryField, visitLibraryMember, visitLibraryMethod, visitLineNumberTableAttribute, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodHandleConstant, visitMethodrefConstant, visitMethodTypeConstant, visitMoreZeroFrame, visitNameAndTypeConstant, visitNullType, visitObjectType, visitOffsetTargetInfo, visitProgramClass, visitProgramField, visitProgramMember, visitProgramMethod, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSameOneFrame, visitSameZeroFrame, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSimpleInstruction, visitSourceDirAttribute, visitSourceFileAttribute, visitStackDoubleType, visitStackFloatType, visitStackIntegerType, visitStackLongType, visitStackMapAttribute, visitStackMapTableAttribute, visitStackNullType, visitStackObjectType, visitStackTopType, visitStackUninitializedThisType, visitStackUninitializedType, visitStringConstant, visitSuperTypeTargetInfo, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitTableSwitchInstruction, visitThrowsTargetInfo, visitTopType, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeArgumentTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterTargetInfo, visitTypeParameterTargetInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitUninitializedThisType, visitUninitializedType, visitUnknownAttribute, visitUtf8Constant, visitVariablesDoubleType, visitVariablesFloatType, visitVariablesIntegerType, visitVariablesLongType, visitVariablesNullType, visitVariablesObjectType, visitVariablesTopType, visitVariablesUninitializedThisType, visitVariablesUninitializedType

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, visitBootstrapMethodsAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLineNumberTableAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute

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

visitBranchInstruction, visitConstantInstruction, visitLookUpSwitchInstruction, visitSimpleInstruction, visitTableSwitchInstruction

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

visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation

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

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

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 class: SimplifiedVisitor

Visit any type of attribute.

Overrides:

visitAnyAttribute in class SimplifiedVisitor

visitMethodParametersAttribute

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

Specified by:

visitMethodParametersAttribute in interface AttributeVisitor

Overrides:

visitMethodParametersAttribute in class SimplifiedVisitor

visitCodeAttribute

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

Specified by:

visitCodeAttribute in interface AttributeVisitor

Overrides:

visitCodeAttribute in class SimplifiedVisitor

visitLocalVariableTableAttribute

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

Specified by:

visitLocalVariableTableAttribute in interface AttributeVisitor

Overrides:

visitLocalVariableTableAttribute in class SimplifiedVisitor

visitLocalVariableTypeTableAttribute

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

Specified by:

visitLocalVariableTypeTableAttribute in interface AttributeVisitor

Overrides:

visitLocalVariableTypeTableAttribute in class SimplifiedVisitor

visitAnyTypeAnnotationsAttribute

public void visitAnyTypeAnnotationsAttribute(Clazz clazz,
                                    TypeAnnotationsAttribute typeAnnotationsAttribute)

Description copied from class: SimplifiedVisitor

Visits any type of TypeAnnotationsAttribute of a class.

Overrides:

visitAnyTypeAnnotationsAttribute in class SimplifiedVisitor

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)

Specified by:

visitTypeAnnotation in interface TypeAnnotationVisitor

Overrides:

visitTypeAnnotation in class SimplifiedVisitor

visitAnyTargetInfo

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

Description copied from class: SimplifiedVisitor

Visits any type of TargetInfo.

Overrides:

visitAnyTargetInfo in class SimplifiedVisitor

visitLocalVariableTargetInfo

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

Specified by:

visitLocalVariableTargetInfo in interface TargetInfoVisitor

Overrides:

visitLocalVariableTargetInfo in class SimplifiedVisitor

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 class: SimplifiedVisitor

Visits any type of Instruction.

Overrides:

visitAnyInstruction in class SimplifiedVisitor

visitVariableInstruction

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

Specified by:

visitVariableInstruction in interface InstructionVisitor

Overrides:

visitVariableInstruction in class SimplifiedVisitor