proguard.shrink
Class ClassShrinker

java.lang.Object
  extended by proguard.classfile.util.SimplifiedVisitor
      extended by 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 and class members that are not marked as being used.

See Also:
UsageMarker

Constructor Summary
ClassShrinker(proguard.shrink.UsageMarker usageMarker)
          Creates a new ClassShrinker.
 
Method Summary
 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)
           
 void visitAnyParameterAnnotationsAttribute(Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute)
          Visits any type of ParameterAnnotationsAttribute.
 void visitArrayElementValue(Clazz clazz, Annotation annotation, ArrayElementValue arrayElementValue)
           
 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 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, visitAnnotationDefaultAttribute, visitAnyClass, visitAnyConstant, visitAnyInstruction, visitAnyMember, visitAnyMethodrefConstant, visitAnyRefConstant, visitAnyStackMapFrame, visitAnySwitchInstruction, visitAnyVerificationType, visitBranchInstruction, visitClassConstant, visitClassElementValue, visitConstantElementValue, visitConstantInstruction, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDoubleConstant, visitDoubleType, visitEnumConstantElementValue, visitExceptionsAttribute, visitFieldrefConstant, visitFloatConstant, visitFloatType, visitFullFrame, visitIntegerConstant, visitIntegerType, visitInterfaceMethodrefConstant, visitLessZeroFrame, visitLibraryField, visitLibraryMember, visitLibraryMethod, visitLineNumberTableAttribute, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodrefConstant, visitMoreZeroFrame, visitNameAndTypeConstant, visitNullType, visitObjectType, visitProgramField, visitProgramMethod, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitSameOneFrame, visitSameZeroFrame, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSimpleInstruction, visitSourceDirAttribute, visitSourceFileAttribute, visitStackDoubleType, visitStackFloatType, visitStackIntegerType, visitStackLongType, visitStackMapAttribute, visitStackMapTableAttribute, visitStackNullType, visitStackObjectType, visitStackTopType, visitStackUninitializedThisType, visitStackUninitializedType, visitStringConstant, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitTableSwitchInstruction, visitTopType, 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, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute
 
Methods inherited from interface proguard.classfile.attribute.annotation.visitor.AnnotationVisitor
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

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

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)
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