proguard.shrink

Class ClassShrinker

java.lang.Object

proguard.classfile.util.SimplifiedVisitor

proguard.shrink.ClassShrinker

All Implemented Interfaces:

AnnotationVisitor, ElementValueVisitor, AttributeVisitor, ClassVisitor, MemberVisitor

public class ClassShrinker
extends SimplifiedVisitor
implements ClassVisitor, MemberVisitor, AttributeVisitor, AnnotationVisitor, ElementValueVisitor

This ClassVisitor removes constant pool entries, class members, and other class elements that are not marked as being used.

Author:

Eric Lafortune

Constructor Summary

Constructors

Constructor and Description
ClassShrinker(proguard.shrink.UsageMarker usageMarker) Creates a new ClassShrinker.

Method Summary

Modifier and Type	Method and Description
void	visitAnnotation(Clazz clazz, Annotation annotation)
void	visitAnnotationElementValue(Clazz clazz, Annotation annotation, AnnotationElementValue annotationElementValue)
void	visitAnyAnnotationsAttribute(Clazz clazz, AnnotationsAttribute annotationsAttribute) Visits any type of AnnotationsAttribute of a class.
void	visitAnyAttribute(Clazz clazz, Attribute attribute) Visit any type of attribute.
void	visitAnyElementValue(Clazz clazz, Annotation annotation, ElementValue elementValue) Visits any type of ElementValue.
void	visitAnyParameterAnnotationsAttribute(Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute) Visits any type of ParameterAnnotationsAttribute.
void	visitArrayElementValue(Clazz clazz, Annotation annotation, ArrayElementValue arrayElementValue)
void	visitBootstrapMethodsAttribute(Clazz clazz, BootstrapMethodsAttribute bootstrapMethodsAttribute)
void	visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
void	visitEnclosingMethodAttribute(Clazz clazz, EnclosingMethodAttribute enclosingMethodAttribute)
void	visitInnerClassesAttribute(Clazz clazz, InnerClassesAttribute innerClassesAttribute)
void	visitLibraryClass(LibraryClass libraryClass)
void	visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute)
void	visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute)
void	visitProgramClass(ProgramClass programClass)
void	visitProgramMember(ProgramClass programClass, ProgramMember programMember) Visits any type of class member of the given program class.

Methods inherited from class proguard.classfile.util.SimplifiedVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotationDefaultAttribute, visitAnyClass, visitAnyConstant, visitAnyInstruction, visitAnyMember, visitAnyMethodrefConstant, visitAnyPrimitiveArrayConstant, visitAnyPrimitiveArrayConstantElement, visitAnyRefConstant, visitAnyStackMapFrame, visitAnySwitchInstruction, visitAnyTargetInfo, visitAnyTypeAnnotationsAttribute, visitAnyVerificationType, visitBooleanArrayConstant, visitBooleanArrayConstantElement, visitBranchInstruction, visitByteArrayConstant, visitByteArrayConstantElement, visitCatchTargetInfo, visitCharArrayConstant, visitCharArrayConstantElement, visitClassConstant, visitClassElementValue, visitConstantElementValue, visitConstantInstruction, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDoubleArrayConstant, visitDoubleArrayConstantElement, visitDoubleConstant, visitDoubleType, visitDynamicConstant, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEnumConstantElementValue, visitExceptionsAttribute, visitFieldrefConstant, visitFloatArrayConstant, visitFloatArrayConstantElement, visitFloatConstant, visitFloatType, visitFormalParameterTargetInfo, visitFullFrame, visitIntArrayConstant, visitIntArrayConstantElement, visitIntegerConstant, visitIntegerType, visitInterfaceMethodrefConstant, visitInvokeDynamicConstant, visitLessZeroFrame, visitLibraryField, visitLibraryMember, visitLibraryMethod, visitLineNumberTableAttribute, visitLocalVariableTargetInfo, visitLongArrayConstant, visitLongArrayConstantElement, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodHandleConstant, visitMethodParametersAttribute, visitMethodrefConstant, visitMethodTypeConstant, visitModuleAttribute, visitModuleConstant, visitModuleMainClassAttribute, visitModulePackagesAttribute, visitMoreZeroFrame, visitNameAndTypeConstant, visitNestHostAttribute, visitNestMembersAttribute, visitNullType, visitObjectType, visitOffsetTargetInfo, visitPackageConstant, visitPrimitiveArrayConstant, visitProgramField, visitProgramMethod, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSameOneFrame, visitSameZeroFrame, visitShortArrayConstant, visitShortArrayConstantElement, 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, visitTypeAnnotation, visitTypeArgumentTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterTargetInfo, visitTypeParameterTargetInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitUninitializedThisType, visitUninitializedType, visitUnknownAttribute, visitUtf8Constant, visitVariableInstruction, 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.visitor.MemberVisitor

visitLibraryField, visitLibraryMethod, visitProgramField, visitProgramMethod

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

visitAnnotationDefaultAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitExceptionsAttribute, visitLineNumberTableAttribute, visitMethodParametersAttribute, visitModuleAttribute, visitModuleMainClassAttribute, visitModulePackagesAttribute, visitNestHostAttribute, visitNestMembersAttribute, 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.attribute.annotation.visitor.AnnotationVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation

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

visitClassElementValue, visitConstantElementValue, visitEnumConstantElementValue

Constructor Detail

ClassShrinker

public ClassShrinker(proguard.shrink.UsageMarker usageMarker)

Creates a new ClassShrinker.

Parameters:

usageMarker - the usage marker that is used to mark the classes and class members.

Method Detail

visitProgramClass

public void visitProgramClass(ProgramClass programClass)

Specified by:

visitProgramClass in interface ClassVisitor

Overrides:

visitProgramClass in class SimplifiedVisitor

visitLibraryClass

public void visitLibraryClass(LibraryClass libraryClass)

Specified by:

visitLibraryClass in interface ClassVisitor

Overrides:

visitLibraryClass in class SimplifiedVisitor

visitProgramMember

public void visitProgramMember(ProgramClass programClass,
                               ProgramMember programMember)

Description copied from class: SimplifiedVisitor

Visits any type of class member of the given program class.

Overrides:

visitProgramMember in class SimplifiedVisitor

visitAnyAttribute

public void visitAnyAttribute(Clazz clazz,
                              Attribute attribute)

Description copied from class: SimplifiedVisitor

Visit any type of attribute.

Overrides:

visitAnyAttribute in class SimplifiedVisitor

visitBootstrapMethodsAttribute

public void visitBootstrapMethodsAttribute(Clazz clazz,
                                           BootstrapMethodsAttribute bootstrapMethodsAttribute)

Specified by:

visitBootstrapMethodsAttribute in interface AttributeVisitor

Overrides:

visitBootstrapMethodsAttribute in class SimplifiedVisitor

visitInnerClassesAttribute

public void visitInnerClassesAttribute(Clazz clazz,
                                       InnerClassesAttribute innerClassesAttribute)

Specified by:

visitInnerClassesAttribute in interface AttributeVisitor

Overrides:

visitInnerClassesAttribute in class SimplifiedVisitor

visitEnclosingMethodAttribute

public void visitEnclosingMethodAttribute(Clazz clazz,
                                          EnclosingMethodAttribute enclosingMethodAttribute)

Specified by:

visitEnclosingMethodAttribute in interface AttributeVisitor

Overrides:

visitEnclosingMethodAttribute 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

visitAnyAnnotationsAttribute

public void visitAnyAnnotationsAttribute(Clazz clazz,
                                         AnnotationsAttribute annotationsAttribute)

Description copied from class: SimplifiedVisitor

Visits any type of AnnotationsAttribute of a class.

Overrides:

visitAnyAnnotationsAttribute in class SimplifiedVisitor

visitAnyParameterAnnotationsAttribute

public void visitAnyParameterAnnotationsAttribute(Clazz clazz,
                                                  Method method,
                                                  ParameterAnnotationsAttribute parameterAnnotationsAttribute)

Description copied from class: SimplifiedVisitor

Visits any type of ParameterAnnotationsAttribute.

Overrides:

visitAnyParameterAnnotationsAttribute in class SimplifiedVisitor

visitAnnotation

public void visitAnnotation(Clazz clazz,
                            Annotation annotation)

Specified by:

visitAnnotation in interface AnnotationVisitor

Overrides:

visitAnnotation in class SimplifiedVisitor

visitAnyElementValue

public void visitAnyElementValue(Clazz clazz,
                                 Annotation annotation,
                                 ElementValue elementValue)

Description copied from class: SimplifiedVisitor

Visits any type of ElementValue.

Overrides:

visitAnyElementValue in class SimplifiedVisitor

visitAnnotationElementValue

public void visitAnnotationElementValue(Clazz clazz,
                                        Annotation annotation,
                                        AnnotationElementValue annotationElementValue)

Specified by:

visitAnnotationElementValue in interface ElementValueVisitor

Overrides:

visitAnnotationElementValue in class SimplifiedVisitor

visitArrayElementValue

public void visitArrayElementValue(Clazz clazz,
                                   Annotation annotation,
                                   ArrayElementValue arrayElementValue)

Specified by:

visitArrayElementValue in interface ElementValueVisitor

Overrides:

visitArrayElementValue in class SimplifiedVisitor