java.lang.Object
- proguard.classfile.instruction.Instruction
- - proguard.classfile.instruction.VariableInstruction

```
public class VariableInstruction
extends Instruction
```
This Instruction represents an instruction that refers to a variable on the local variable stack.

字段概要

字段
修饰符和类型字段说明

int constant

int variableIndex

boolean wide
- 从类继承的字段 proguard.classfile.instruction.Instruction
  ARRAY_T_BOOLEAN, ARRAY_T_BYTE, ARRAY_T_CHAR, ARRAY_T_DOUBLE, ARRAY_T_FLOAT, ARRAY_T_INT, ARRAY_T_LONG, ARRAY_T_SHORT, NAMES, OP_AALOAD, OP_AASTORE, OP_ACONST_NULL, OP_ALOAD, OP_ALOAD_0, OP_ALOAD_1, OP_ALOAD_2, OP_ALOAD_3, OP_ANEWARRAY, OP_ARETURN, OP_ARRAYLENGTH, OP_ASTORE, OP_ASTORE_0, OP_ASTORE_1, OP_ASTORE_2, OP_ASTORE_3, OP_ATHROW, OP_BALOAD, OP_BASTORE, OP_BIPUSH, OP_CALOAD, OP_CASTORE, OP_CHECKCAST, OP_D2F, OP_D2I, OP_D2L, OP_DADD, OP_DALOAD, OP_DASTORE, OP_DCMPG, OP_DCMPL, OP_DCONST_0, OP_DCONST_1, OP_DDIV, OP_DLOAD, OP_DLOAD_0, OP_DLOAD_1, OP_DLOAD_2, OP_DLOAD_3, OP_DMUL, OP_DNEG, OP_DREM, OP_DRETURN, OP_DSTORE, OP_DSTORE_0, OP_DSTORE_1, OP_DSTORE_2, OP_DSTORE_3, OP_DSUB, OP_DUP, OP_DUP_X1, OP_DUP_X2, OP_DUP2, OP_DUP2_X1, OP_DUP2_X2, OP_F2D, OP_F2I, OP_F2L, OP_FADD, OP_FALOAD, OP_FASTORE, OP_FCMPG, OP_FCMPL, OP_FCONST_0, OP_FCONST_1, OP_FCONST_2, OP_FDIV, OP_FLOAD, OP_FLOAD_0, OP_FLOAD_1, OP_FLOAD_2, OP_FLOAD_3, OP_FMUL, OP_FNEG, OP_FREM, OP_FRETURN, OP_FSTORE, OP_FSTORE_0, OP_FSTORE_1, OP_FSTORE_2, OP_FSTORE_3, OP_FSUB, OP_GETFIELD, OP_GETSTATIC, OP_GOTO, OP_GOTO_W, OP_I2B, OP_I2C, OP_I2D, OP_I2F, OP_I2L, OP_I2S, OP_IADD, OP_IALOAD, OP_IAND, OP_IASTORE, OP_ICONST_0, OP_ICONST_1, OP_ICONST_2, OP_ICONST_3, OP_ICONST_4, OP_ICONST_5, OP_ICONST_M1, OP_IDIV, OP_IFACMPEQ, OP_IFACMPNE, OP_IFEQ, OP_IFGE, OP_IFGT, OP_IFICMPEQ, OP_IFICMPGE, OP_IFICMPGT, OP_IFICMPLE, OP_IFICMPLT, OP_IFICMPNE, OP_IFLE, OP_IFLT, OP_IFNE, OP_IFNONNULL, OP_IFNULL, OP_IINC, OP_ILOAD, OP_ILOAD_0, OP_ILOAD_1, OP_ILOAD_2, OP_ILOAD_3, OP_IMUL, OP_INEG, OP_INSTANCEOF, OP_INVOKEDYNAMIC, OP_INVOKEINTERFACE, OP_INVOKESPECIAL, OP_INVOKESTATIC, OP_INVOKEVIRTUAL, OP_IOR, OP_IREM, OP_IRETURN, OP_ISHL, OP_ISHR, OP_ISTORE, OP_ISTORE_0, OP_ISTORE_1, OP_ISTORE_2, OP_ISTORE_3, OP_ISUB, OP_IUSHR, OP_IXOR, OP_JSR, OP_JSR_W, OP_L2D, OP_L2F, OP_L2I, OP_LADD, OP_LALOAD, OP_LAND, OP_LASTORE, OP_LCMP, OP_LCONST_0, OP_LCONST_1, OP_LDC, OP_LDC_W, OP_LDC2_W, OP_LDIV, OP_LLOAD, OP_LLOAD_0, OP_LLOAD_1, OP_LLOAD_2, OP_LLOAD_3, OP_LMUL, OP_LNEG, OP_LOOKUPSWITCH, OP_LOR, OP_LREM, OP_LRETURN, OP_LSHL, OP_LSHR, OP_LSTORE, OP_LSTORE_0, OP_LSTORE_1, OP_LSTORE_2, OP_LSTORE_3, OP_LSUB, OP_LUSHR, OP_LXOR, OP_MONITORENTER, OP_MONITOREXIT, OP_MULTIANEWARRAY, OP_NEW, OP_NEWARRAY, OP_NOP, OP_POP, OP_POP2, OP_PUTFIELD, OP_PUTSTATIC, OP_RET, OP_RETURN, OP_SALOAD, OP_SASTORE, OP_SIPUSH, OP_SWAP, OP_TABLESWITCH, OP_WIDE, opcode

构造器概要

构造器
构造器	说明
`VariableInstruction()`	Creates an uninitialized VariableInstruction.
`VariableInstruction(boolean wide)`
`VariableInstruction(byte opcode)`
`VariableInstruction(byte opcode, int variableIndex)`
`VariableInstruction(byte opcode, int variableIndex, int constant)`

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, InstructionVisitor instructionVisitor)`	Accepts the given visitor.
`byte`	`canonicalOpcode()`	Returns the canonical opcode of this instruction, i.e. typically the opcode whose extension has been removed.
`VariableInstruction`	`copy(VariableInstruction variableInstruction)`	Copies the given instruction into this instruction.
`boolean`	`equals(java.lang.Object o)`
`int`	`hashCode()`
`boolean`	`isLoad()`	Returns whether this instruction loads the value of a variable.
`boolean`	`isStore()`	Returns whether this instruction stores the value of a variable.
`protected boolean`	`isWide()`	Returns whether the instruction is wide, i.e. preceded by a wide opcode.
`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.
`java.lang.String`	`toString()`
`protected void`	`writeInfo(byte[] code, int offset)`	Writes data following the instruction opcode.

从类继承的方法 proguard.classfile.instruction.Instruction
actualOpcode, getName, isCategory2, mayInstanceThrowExceptions, mayThrowExceptions, readByte, readInt, readShort, readSignedByte, readSignedShort, readSignedValue, readValue, stackEntryIndexBefore, stackPopCount, stackPushCount, toString, toString, write, write, writeByte, writeInt, writeShort, writeSignedByte, writeSignedShort, writeSignedValue, writeValue

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- 字段详细资料
  - wide
```
public boolean wide
```
  - variableIndex
```
public int variableIndex
```
  - constant
```
public int constant
```
- 构造器详细资料
  - VariableInstruction
```
public VariableInstruction()
```
    Creates an uninitialized VariableInstruction.
  - VariableInstruction
```
public VariableInstruction(boolean wide)
```
  - VariableInstruction
```
public VariableInstruction(byte opcode)
```
  - VariableInstruction
```
public VariableInstruction(byte opcode,
                           int variableIndex)
```
  - VariableInstruction
```
public VariableInstruction(byte opcode,
                           int variableIndex,
                           int constant)
```
- 方法详细资料
  - copy
```
public VariableInstruction copy(VariableInstruction variableInstruction)
```
    Copies the given instruction into this instruction.
    
    参数:
    
    variableInstruction - the instruction to be copied.
    
    返回:
    
    this instruction.
  - isStore
```
public boolean isStore()
```
    Returns whether this instruction stores the value of a variable. The value is false for the ret instruction, but true for the iinc instruction.
  - isLoad
```
public boolean isLoad()
```
    Returns whether this instruction loads the value of a variable. The value is true for the ret instruction and for the iinc instruction.
  - canonicalOpcode
```
public byte canonicalOpcode()
```
    从类复制的说明: Instruction
    
    Returns the canonical opcode of this instruction, i.e. typically the opcode whose extension has been removed.
    
    覆盖:
    
    canonicalOpcode 在类中 Instruction
  - shrink
```
public Instruction shrink()
```
    从类复制的说明: Instruction
    
    Shrinks this instruction to its shortest possible form.
    
    指定者:
    
    shrink 在类中 Instruction
    
    返回:
    
    this instruction.
  - isWide
```
protected boolean isWide()
```
    从类复制的说明: Instruction
    
    Returns whether the instruction is wide, i.e. preceded by a wide opcode. With the current specifications, only variable instructions can be wide.
    
    覆盖:
    
    isWide 在类中 Instruction
  - readInfo
```
protected void readInfo(byte[] code,
                        int offset)
```
    从类复制的说明: Instruction
    
    Reads the data following the instruction opcode.
    
    指定者:
    
    readInfo 在类中 Instruction
  - writeInfo
```
protected void writeInfo(byte[] code,
                         int offset)
```
    从类复制的说明: Instruction
    
    Writes data following the instruction opcode.
    
    指定者:
    
    writeInfo 在类中 Instruction
  - length
```
public int length(int offset)
```
    从类复制的说明: Instruction
    
    Returns the length in bytes of the instruction.
    
    指定者:
    
    length 在类中 Instruction
  - accept
```
public void accept(Clazz clazz,
                   Method method,
                   CodeAttribute codeAttribute,
                   int offset,
                   InstructionVisitor instructionVisitor)
```
    从类复制的说明: Instruction
    
    Accepts the given visitor.
    
    指定者:
    
    accept 在类中 Instruction
  - toString
```
public java.lang.String toString()
```
    覆盖:
    
    toString 在类中 java.lang.Object
  - equals
```
public boolean equals(java.lang.Object o)
```
    指定者:
    
    equals 在类中 Instruction
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在类中 Instruction

类 VariableInstruction

字段概要

从类继承的字段 proguard.classfile.instruction.Instruction

构造器概要

方法概要

从类继承的方法 proguard.classfile.instruction.Instruction

从类继承的方法 java.lang.Object

字段详细资料

wide

variableIndex

constant

构造器详细资料

VariableInstruction

VariableInstruction

VariableInstruction

VariableInstruction

VariableInstruction

方法详细资料

copy

isStore

isLoad

canonicalOpcode

shrink

isWide

readInfo

writeInfo

length

accept

toString

equals

hashCode