proguard.optimize.peephole

Class GotoGotoReplacer

java.lang.Object

proguard.classfile.util.SimplifiedVisitor

proguard.optimize.peephole.GotoGotoReplacer

All Implemented Interfaces:

InstructionVisitor

public class GotoGotoReplacer
extends SimplifiedVisitor
implements InstructionVisitor

This InstructionVisitor simplifies unconditional branches to other unconditional branches.

Author:

Eric Lafortune

Constructor Summary

Constructors

Constructor and Description
GotoGotoReplacer(CodeAttributeEditor codeAttributeEditor) Creates a new GotoGotoReplacer.
GotoGotoReplacer(CodeAttributeEditor codeAttributeEditor, InstructionVisitor extraInstructionVisitor) Creates a new GotoGotoReplacer.

Method Summary

Methods

Modifier and Type	Method and Description
void	visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) Visits any type of Instruction.
void	visitBranchInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, BranchInstruction branchInstruction)

Methods inherited from class proguard.classfile.util.SimplifiedVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotationDefaultAttribute, visitAnnotationElementValue, visitAnyAnnotationsAttribute, visitAnyAttribute, visitAnyClass, visitAnyConstant, visitAnyElementValue, visitAnyMember, visitAnyMethodrefConstant, visitAnyParameterAnnotationsAttribute, visitAnyRefConstant, visitAnyStackMapFrame, visitAnySwitchInstruction, visitAnyTargetInfo, visitAnyTypeAnnotationsAttribute, visitAnyVerificationType, visitArrayElementValue, visitBootstrapMethodsAttribute, visitCatchTargetInfo, visitClassConstant, visitClassElementValue, visitCodeAttribute, 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, visitLocalVariableTableAttribute, visitLocalVariableTargetInfo, visitLocalVariableTypeTableAttribute, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodHandleConstant, visitMethodParametersAttribute, 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, 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.instruction.visitor.InstructionVisitor

visitConstantInstruction, visitLookUpSwitchInstruction, visitSimpleInstruction, visitTableSwitchInstruction, visitVariableInstruction

Constructor Detail

GotoGotoReplacer

public GotoGotoReplacer(CodeAttributeEditor codeAttributeEditor)

Creates a new GotoGotoReplacer.

Parameters:

codeAttributeEditor - a code editor that can be used for accumulating changes to the code.

GotoGotoReplacer

public GotoGotoReplacer(CodeAttributeEditor codeAttributeEditor,
                InstructionVisitor extraInstructionVisitor)

Creates a new GotoGotoReplacer.

Parameters:

codeAttributeEditor - a code editor that can be used for accumulating changes to the code.

extraInstructionVisitor - an optional extra visitor for all replaced goto instructions.

Method Detail

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

visitBranchInstruction

public void visitBranchInstruction(Clazz clazz,
                          Method method,
                          CodeAttribute codeAttribute,
                          int offset,
                          BranchInstruction branchInstruction)

Specified by:

visitBranchInstruction in interface InstructionVisitor

Overrides:

visitBranchInstruction in class SimplifiedVisitor