proguard.optimize.peephole
Class NopRemover

java.lang.Object
  proguard.optimize.peephole.NopRemover

All Implemented Interfaces:

InstructionVisitor

public class NopRemover

extends Object

implements InstructionVisitor

This InstructionVisitor removes all nop instructions that it encounters.

Constructor Summary

NopRemover(CodeAttrInfoEditor codeAttrInfoEditor)
Creates a new NopRemover.

Method Summary

void	visitBranchInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, BranchInstruction branchInstruction)
void	visitCpInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, CpInstruction cpInstruction)
void	visitLookUpSwitchInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, LookUpSwitchInstruction lookUpSwitchInstruction)
void	visitSimpleInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, SimpleInstruction simpleInstruction)
void	visitTableSwitchInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, TableSwitchInstruction tableSwitchInstruction)
void	visitVariableInstruction(ClassFile classFile, MethodInfo methodInfo, CodeAttrInfo codeAttrInfo, int offset, VariableInstruction variableInstruction)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NopRemover

public NopRemover(CodeAttrInfoEditor codeAttrInfoEditor)

Creates a new NopRemover.

Parameters:

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

Method Detail

visitCpInstruction

public void visitCpInstruction(ClassFile classFile,
                               MethodInfo methodInfo,
                               CodeAttrInfo codeAttrInfo,
                               int offset,
                               CpInstruction cpInstruction)

Specified by:

visitCpInstruction in interface InstructionVisitor

visitVariableInstruction

public void visitVariableInstruction(ClassFile classFile,
                                     MethodInfo methodInfo,
                                     CodeAttrInfo codeAttrInfo,
                                     int offset,
                                     VariableInstruction variableInstruction)

Specified by:

visitVariableInstruction in interface InstructionVisitor

visitBranchInstruction

public void visitBranchInstruction(ClassFile classFile,
                                   MethodInfo methodInfo,
                                   CodeAttrInfo codeAttrInfo,
                                   int offset,
                                   BranchInstruction branchInstruction)

Specified by:

visitBranchInstruction in interface InstructionVisitor

visitTableSwitchInstruction

public void visitTableSwitchInstruction(ClassFile classFile,
                                        MethodInfo methodInfo,
                                        CodeAttrInfo codeAttrInfo,
                                        int offset,
                                        TableSwitchInstruction tableSwitchInstruction)

Specified by:

visitTableSwitchInstruction in interface InstructionVisitor

visitLookUpSwitchInstruction

public void visitLookUpSwitchInstruction(ClassFile classFile,
                                         MethodInfo methodInfo,
                                         CodeAttrInfo codeAttrInfo,
                                         int offset,
                                         LookUpSwitchInstruction lookUpSwitchInstruction)

Specified by:

visitLookUpSwitchInstruction in interface InstructionVisitor

visitSimpleInstruction

public void visitSimpleInstruction(ClassFile classFile,
                                   MethodInfo methodInfo,
                                   CodeAttrInfo codeAttrInfo,
                                   int offset,
                                   SimpleInstruction simpleInstruction)

Specified by:

visitSimpleInstruction in interface InstructionVisitor