proguard.classfile.instruction

Class LookUpSwitchInstruction

java.lang.Object

proguard.classfile.instruction.Instruction

proguard.classfile.instruction.SwitchInstruction

proguard.classfile.instruction.LookUpSwitchInstruction

public class LookUpSwitchInstruction
extends SwitchInstruction

This Instruction represents a simple instruction without variable arguments or constant pool references.

Author:

Eric Lafortune

Field Summary

Fields

Modifier and Type	Field and Description
int[]	cases

Fields inherited from class proguard.classfile.instruction.SwitchInstruction

defaultOffset, jumpOffsets

Fields inherited from class proguard.classfile.instruction.Instruction

opcode

Constructor Summary

Constructors

Constructor and Description
LookUpSwitchInstruction() Creates an uninitialized LookUpSwitchInstruction.
LookUpSwitchInstruction(byte opcode, int defaultOffset, int[] cases, int[] jumpOffsets) Creates a new LookUpSwitchInstruction with the given arguments.

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, InstructionVisitor instructionVisitor) Accepts the given visitor.
LookUpSwitchInstruction	copy(LookUpSwitchInstruction lookUpSwitchInstruction) Copies the given instruction into this instruction.
int	length(int offset) Returns the length in bytes of the instruction.
protected void	readInfo(byte[] code, int offset) Reads the data following the instruction opcode.
Instruction	shrink() Shrinks this instruction to its shortest possible form.
protected void	writeInfo(byte[] code, int offset) Writes data following the instruction opcode.

Methods inherited from class proguard.classfile.instruction.SwitchInstruction

copy, toString, toString

Methods inherited from class proguard.classfile.instruction.Instruction

canonicalOpcode, getName, isCategory2, isWide, mayThrowExceptions, readByte, readInt, readShort, readSignedByte, readSignedShort, readSignedValue, readValue, stackPopCount, stackPushCount, write, write, writeByte, writeInt, writeShort, writeSignedByte, writeSignedShort, writeSignedValue, writeValue

Methods inherited from class java.lang.Object

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

Field Detail

cases

public int[] cases

Constructor Detail

LookUpSwitchInstruction

public LookUpSwitchInstruction()

Creates an uninitialized LookUpSwitchInstruction.

LookUpSwitchInstruction

public LookUpSwitchInstruction(byte opcode,
                       int defaultOffset,
                       int[] cases,
                       int[] jumpOffsets)

Creates a new LookUpSwitchInstruction with the given arguments.

Method Detail

copy

public LookUpSwitchInstruction copy(LookUpSwitchInstruction lookUpSwitchInstruction)

Copies the given instruction into this instruction.

Parameters:

lookUpSwitchInstruction - the instruction to be copied.

Returns:

this instruction.

shrink

public Instruction shrink()

Description copied from class: Instruction

Shrinks this instruction to its shortest possible form.

Specified by:

shrink in class Instruction

Returns:

this instruction.

readInfo

protected void readInfo(byte[] code,
            int offset)

Description copied from class: Instruction

Reads the data following the instruction opcode.

Specified by:

readInfo in class Instruction

writeInfo

protected void writeInfo(byte[] code,
             int offset)

Description copied from class: Instruction

Writes data following the instruction opcode.

Specified by:

writeInfo in class Instruction

length

public int length(int offset)

Description copied from class: Instruction

Returns the length in bytes of the instruction.

Specified by:

length in class Instruction

accept

public void accept(Clazz clazz,
          Method method,
          CodeAttribute codeAttribute,
          int offset,
          InstructionVisitor instructionVisitor)

Description copied from class: Instruction

Accepts the given visitor.

Specified by:

accept in class Instruction