proguard.shrink

Class ShortestUsagePrinter

java.lang.Object

proguard.classfile.util.SimplifiedVisitor

proguard.shrink.ShortestUsagePrinter

All Implemented Interfaces:

AttributeVisitor, ClassVisitor, MemberVisitor

public class ShortestUsagePrinter
extends SimplifiedVisitor
implements ClassVisitor, MemberVisitor, AttributeVisitor

This ClassVisitor and MemberVisitor prints out the reasons why classes and class members have been marked as being used.

Author:

Eric Lafortune

See Also:

UsageMarker

Constructor Summary

Constructors

Constructor and Description
ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker) Creates a new UsagePrinter that prints verbosely to System.out.
ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker, boolean verbose) Creates a new UsagePrinter that prints to the given stream.
ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker, boolean verbose, PrintStream printStream) Creates a new UsagePrinter that prints to the given stream.

Method Summary

Methods

Modifier and Type	Method and Description
void	visitAnyAttribute(Clazz clazz, Attribute attribute) Visit any type of attribute.
void	visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
void	visitLibraryClass(LibraryClass libraryClass)
void	visitLibraryField(LibraryClass libraryClass, LibraryField libraryField)
void	visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
void	visitLineNumberTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberTableAttribute lineNumberTableAttribute)
void	visitProgramClass(ProgramClass programClass)
void	visitProgramField(ProgramClass programClass, ProgramField programField)
void	visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)

Methods inherited from class proguard.classfile.util.SimplifiedVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotationDefaultAttribute, visitAnnotationElementValue, visitAnyAnnotationsAttribute, visitAnyClass, visitAnyConstant, visitAnyElementValue, visitAnyInstruction, visitAnyMember, visitAnyMethodrefConstant, visitAnyParameterAnnotationsAttribute, visitAnyRefConstant, visitAnyStackMapFrame, visitAnySwitchInstruction, visitAnyTargetInfo, visitAnyTypeAnnotationsAttribute, 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, visitLibraryMember, visitLocalVariableTableAttribute, visitLocalVariableTargetInfo, visitLocalVariableTypeTableAttribute, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodHandleConstant, visitMethodParametersAttribute, visitMethodrefConstant, visitMethodTypeConstant, visitMoreZeroFrame, visitNameAndTypeConstant, visitNullType, visitObjectType, visitOffsetTargetInfo, visitProgramMember, 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, 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.attribute.visitor.AttributeVisitor

visitAnnotationDefaultAttribute, visitBootstrapMethodsAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitMethodParametersAttribute, 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

Constructor Detail

ShortestUsagePrinter

public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker)

Creates a new UsagePrinter that prints verbosely to System.out.

Parameters:

shortestUsageMarker - the usage marker that was used to mark the classes and class members.

ShortestUsagePrinter

public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker,
                    boolean verbose)

Creates a new UsagePrinter that prints to the given stream.

Parameters:

shortestUsageMarker - the usage marker that was used to mark the classes and class members.

verbose - specifies whether the output should be verbose.

ShortestUsagePrinter

public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker,
                    boolean verbose,
                    PrintStream printStream)

Creates a new UsagePrinter that prints to the given stream.

Parameters:

shortestUsageMarker - the usage marker that was used to mark the classes and class members.

verbose - specifies whether the output should be verbose.

printStream - the stream to which to print.

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

visitProgramField

public void visitProgramField(ProgramClass programClass,
                     ProgramField programField)

Specified by:

visitProgramField in interface MemberVisitor

Overrides:

visitProgramField in class SimplifiedVisitor

visitProgramMethod

public void visitProgramMethod(ProgramClass programClass,
                      ProgramMethod programMethod)

Specified by:

visitProgramMethod in interface MemberVisitor

Overrides:

visitProgramMethod in class SimplifiedVisitor

visitLibraryField

public void visitLibraryField(LibraryClass libraryClass,
                     LibraryField libraryField)

Specified by:

visitLibraryField in interface MemberVisitor

Overrides:

visitLibraryField in class SimplifiedVisitor

visitLibraryMethod

public void visitLibraryMethod(LibraryClass libraryClass,
                      LibraryMethod libraryMethod)

Specified by:

visitLibraryMethod in interface MemberVisitor

Overrides:

visitLibraryMethod 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

visitCodeAttribute

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

Specified by:

visitCodeAttribute in interface AttributeVisitor

Overrides:

visitCodeAttribute in class SimplifiedVisitor

visitLineNumberTableAttribute

public void visitLineNumberTableAttribute(Clazz clazz,
                                 Method method,
                                 CodeAttribute codeAttribute,
                                 LineNumberTableAttribute lineNumberTableAttribute)

Specified by:

visitLineNumberTableAttribute in interface AttributeVisitor

Overrides:

visitLineNumberTableAttribute in class SimplifiedVisitor