proguard.optimize.peephole

Class GotoReturnReplacer

java.lang.Object

proguard.optimize.peephole.GotoReturnReplacer

All Implemented Interfaces:

proguard.classfile.instruction.visitor.InstructionVisitor

public class GotoReturnReplacer
extends java.lang.Object
implements proguard.classfile.instruction.visitor.InstructionVisitor

This InstructionVisitor replaces unconditional branches to return instructions by these same return instructions.

Constructor Summary

Constructors

Constructor and Description
GotoReturnReplacer(proguard.classfile.editor.CodeAttributeEditor codeAttributeEditor) Creates a new GotoReturnReplacer.
GotoReturnReplacer(proguard.classfile.editor.CodeAttributeEditor codeAttributeEditor, proguard.classfile.instruction.visitor.InstructionVisitor extraInstructionVisitor) Creates a new GotoReturnReplacer.

Method Summary

Modifier and Type	Method and Description
void	visitAnyInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.Instruction instruction)
void	visitBranchInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.BranchInstruction branchInstruction)

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

visitAnySwitchInstruction, visitConstantInstruction, visitLookUpSwitchInstruction, visitSimpleInstruction, visitTableSwitchInstruction, visitVariableInstruction

Constructor Detail

GotoReturnReplacer

public GotoReturnReplacer(proguard.classfile.editor.CodeAttributeEditor codeAttributeEditor)

Creates a new GotoReturnReplacer.

Parameters:

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

GotoReturnReplacer

public GotoReturnReplacer(proguard.classfile.editor.CodeAttributeEditor codeAttributeEditor,
                          proguard.classfile.instruction.visitor.InstructionVisitor extraInstructionVisitor)

Creates a new GotoReturnReplacer.

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(proguard.classfile.Clazz clazz,
                                proguard.classfile.Method method,
                                proguard.classfile.attribute.CodeAttribute codeAttribute,
                                int offset,
                                proguard.classfile.instruction.Instruction instruction)

Specified by:

visitAnyInstruction in interface proguard.classfile.instruction.visitor.InstructionVisitor

visitBranchInstruction

public void visitBranchInstruction(proguard.classfile.Clazz clazz,
                                   proguard.classfile.Method method,
                                   proguard.classfile.attribute.CodeAttribute codeAttribute,
                                   int offset,
                                   proguard.classfile.instruction.BranchInstruction branchInstruction)

Specified by:

visitBranchInstruction in interface proguard.classfile.instruction.visitor.InstructionVisitor