proguard.optimize

Class MethodDescriptorShrinker

java.lang.Object

proguard.optimize.MethodDescriptorShrinker

All Implemented Interfaces:

proguard.classfile.attribute.visitor.AttributeVisitor, proguard.classfile.visitor.MemberVisitor

public class MethodDescriptorShrinker
extends java.lang.Object
implements proguard.classfile.visitor.MemberVisitor, proguard.classfile.attribute.visitor.AttributeVisitor

This MemberVisitor removes unused parameters in the descriptors of the methods that it visits. It also updates the signatures and parameter annotations.

See Also:

ParameterUsageMarker, VariableUsageMarker, ParameterShrinker

Constructor Summary

Constructors

Constructor and Description
MethodDescriptorShrinker() Creates a new MethodDescriptorShrinker.
MethodDescriptorShrinker(proguard.classfile.visitor.MemberVisitor extraMemberVisitor) Creates a new MethodDescriptorShrinker with an extra visitor.

Method Summary

Modifier and Type	Method and Description
void	visitAnyAttribute(proguard.classfile.Clazz clazz, proguard.classfile.attribute.Attribute attribute)
void	visitAnyParameterAnnotationsAttribute(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.annotation.ParameterAnnotationsAttribute parameterAnnotationsAttribute)
void	visitProgramMethod(proguard.classfile.ProgramClass programClass, proguard.classfile.ProgramMethod programMethod)
void	visitSignatureAttribute(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.SignatureAttribute signatureAttribute)

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

visitAnyMember, visitLibraryField, visitLibraryMember, visitLibraryMethod, visitProgramField, visitProgramMember

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

visitAnnotationDefaultAttribute, visitAnyAnnotationsAttribute, visitAnyTypeAnnotationsAttribute, visitBootstrapMethodsAttribute, visitCodeAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLineNumberTableAttribute, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitMethodParametersAttribute, 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, visitSourceDebugExtensionAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute

Constructor Detail

MethodDescriptorShrinker

public MethodDescriptorShrinker()

Creates a new MethodDescriptorShrinker.

MethodDescriptorShrinker

public MethodDescriptorShrinker(proguard.classfile.visitor.MemberVisitor extraMemberVisitor)

Creates a new MethodDescriptorShrinker with an extra visitor.

Parameters:

extraMemberVisitor - an optional extra visitor for all methods whose parameters have been simplified.

Method Detail

visitProgramMethod

public void visitProgramMethod(proguard.classfile.ProgramClass programClass,
                               proguard.classfile.ProgramMethod programMethod)

Specified by:

visitProgramMethod in interface proguard.classfile.visitor.MemberVisitor

visitAnyAttribute

public void visitAnyAttribute(proguard.classfile.Clazz clazz,
                              proguard.classfile.attribute.Attribute attribute)

Specified by:

visitAnyAttribute in interface proguard.classfile.attribute.visitor.AttributeVisitor

visitSignatureAttribute

public void visitSignatureAttribute(proguard.classfile.Clazz clazz,
                                    proguard.classfile.Method method,
                                    proguard.classfile.attribute.SignatureAttribute signatureAttribute)

Specified by:

visitSignatureAttribute in interface proguard.classfile.attribute.visitor.AttributeVisitor

visitAnyParameterAnnotationsAttribute

public void visitAnyParameterAnnotationsAttribute(proguard.classfile.Clazz clazz,
                                                  proguard.classfile.Method method,
                                                  proguard.classfile.attribute.annotation.ParameterAnnotationsAttribute parameterAnnotationsAttribute)

Specified by:

visitAnyParameterAnnotationsAttribute in interface proguard.classfile.attribute.visitor.AttributeVisitor