proguard.optimize.peephole

Class NopRemover

java.lang.Object

proguard.optimize.peephole.NopRemover

All Implemented Interfaces:

proguard.classfile.instruction.visitor.InstructionVisitor

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

This InstructionVisitor removes all nop instructions that it encounters.

Constructor Summary

Constructors

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

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

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, visitBranchInstruction, visitConstantInstruction, visitLookUpSwitchInstruction, visitTableSwitchInstruction, visitVariableInstruction

Constructor Detail

NopRemover

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

Creates a new NopRemover.

Parameters:

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

NopRemover

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

Creates a new NopRemover.

Parameters:

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

extraInstructionVisitor - an optional extra visitor for all removed nop 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

visitSimpleInstruction

public void visitSimpleInstruction(proguard.classfile.Clazz clazz,
                                   proguard.classfile.Method method,
                                   proguard.classfile.attribute.CodeAttribute codeAttribute,
                                   int offset,
                                   proguard.classfile.instruction.SimpleInstruction simpleInstruction)

Specified by:

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