Class Instruction

java.lang.Object

com.strobel.assembler.ir.Instruction

All Implemented Interfaces:

Comparable<Instruction>

public final class Instruction
extends Object
implements Comparable<Instruction>

User: Mike Strobel Date: 1/6/13 Time: 1:31 AM

Field Summary

Fields

Modifier and Type	Field	Description
private Label	_label
private Instruction	_next
private int	_offset
private OpCode	_opCode
private Object	_operand
private Instruction	_previous
private static final int	U1_MAX_VALUE
private static final int	U1_MIN_VALUE
private static final int	U2_MAX_VALUE
private static final int	U2_MIN_VALUE

Constructor Summary

Constructors

Constructor	Description
Instruction(int offset, OpCode opCode)
Instruction(OpCode opCode)
Instruction(OpCode opCode, Object operand)
Instruction(OpCode opCode, Object... operands)

Method Summary

Modifier and Type	Method	Description
void	accept(InstructionVisitor visitor)
private static boolean	checkOperand(OperandType operandType, int value)
private static boolean	checkOperand(OperandType operandType, DynamicCallSite callSite)
private static boolean	checkOperand(OperandType operandType, FieldReference field)
private static boolean	checkOperand(OperandType operandType, MethodReference method)
private static boolean	checkOperand(OperandType operandType, TypeReference type)
Instruction	clone()
final int	compareTo(Instruction o)
static Instruction	create(OpCode opCode)
static Instruction	create(OpCode opCode, double value)
static Instruction	create(OpCode opCode, float value)
static Instruction	create(OpCode opCode, int value)
static Instruction	create(OpCode opCode, long value)
static Instruction	create(OpCode opCode, short value)
static Instruction	create(OpCode opCode, Instruction target)
static Instruction	create(OpCode opCode, DynamicCallSite callSite)
static Instruction	create(OpCode opCode, FieldReference field)
static Instruction	create(OpCode opCode, MethodReference method)
static Instruction	create(OpCode opCode, SwitchInfo switchInfo)
static Instruction	create(OpCode opCode, TypeReference type)
static Instruction	create(OpCode opCode, TypeReference type, int operand)
static Instruction	create(OpCode opCode, VariableReference variable)
static Instruction	create(OpCode opCode, VariableReference variable, int operand)
int	getEndOffset()
Label	getLabel()
Instruction	getNext()
int	getOffset()
OpCode	getOpCode()
<T> T	getOperand(int index)
int	getOperandCount()
Instruction	getPrevious()
int	getSize()
boolean	hasLabel()
boolean	hasOffset()
boolean	hasOperand()
void	setLabel(Label label)
void	setNext(Instruction next)
void	setOffset(int offset)
void	setOpCode(OpCode opCode)
void	setOperand(Object operand)
void	setPrevious(Instruction previous)
String	toString()

Methods inherited from class Object

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

Field Details

_offset

private int _offset

_opCode

private OpCode _opCode

_operand

private Object _operand

_label

private Label _label

_previous

private Instruction _previous

_next

private Instruction _next

U1_MIN_VALUE

private static final int U1_MIN_VALUE

See Also:

• Constant Field Values

U1_MAX_VALUE

private static final int U1_MAX_VALUE

See Also:

• Constant Field Values

U2_MIN_VALUE

private static final int U2_MIN_VALUE

See Also:

• Constant Field Values

U2_MAX_VALUE

private static final int U2_MAX_VALUE

See Also:

• Constant Field Values

Constructor Details

Instruction

public Instruction(int offset,
 OpCode opCode)

Instruction

public Instruction(OpCode opCode)

Instruction

public Instruction(OpCode opCode,
 Object operand)

Instruction

public Instruction(OpCode opCode,
 Object... operands)

Method Details

hasOffset

public boolean hasOffset()

hasOperand

public boolean hasOperand()

getOffset

public int getOffset()

setOffset

public void setOffset(int offset)

getEndOffset

public int getEndOffset()

getOpCode

public OpCode getOpCode()

setOpCode

public void setOpCode(OpCode opCode)

getOperandCount

public int getOperandCount()

getOperand

public <T> T getOperand(int index)

setOperand

public void setOperand(Object operand)

hasLabel

public boolean hasLabel()

getLabel

public Label getLabel()

setLabel

public void setLabel(Label label)

getPrevious

public Instruction getPrevious()

setPrevious

public void setPrevious(Instruction previous)

getNext

public Instruction getNext()

setNext

public void setNext(Instruction next)

clone

public Instruction clone()

Overrides:

clone in class Object

toString

public String toString()

Overrides:

toString in class Object

getSize

public int getSize()

create

public static Instruction create(OpCode opCode)

create

public static Instruction create(OpCode opCode,
 Instruction target)

create

public static Instruction create(OpCode opCode,
 SwitchInfo switchInfo)

create

public static Instruction create(OpCode opCode,
 int value)

create

public static Instruction create(OpCode opCode,
 short value)

create

public static Instruction create(OpCode opCode,
 float value)

create

public static Instruction create(OpCode opCode,
 double value)

create

public static Instruction create(OpCode opCode,
 long value)

create

public static Instruction create(OpCode opCode,
 VariableReference variable)

create

public static Instruction create(OpCode opCode,
 VariableReference variable,
 int operand)

create

public static Instruction create(OpCode opCode,
 TypeReference type)

create

public static Instruction create(OpCode opCode,
 TypeReference type,
 int operand)

create

public static Instruction create(OpCode opCode,
 MethodReference method)

create

public static Instruction create(OpCode opCode,
 DynamicCallSite callSite)

create

public static Instruction create(OpCode opCode,
 FieldReference field)

checkOperand

private static boolean checkOperand(OperandType operandType,
 int value)

checkOperand

private static boolean checkOperand(OperandType operandType,
 TypeReference type)

checkOperand

private static boolean checkOperand(OperandType operandType,
 DynamicCallSite callSite)

checkOperand

private static boolean checkOperand(OperandType operandType,
 MethodReference method)

checkOperand

private static boolean checkOperand(OperandType operandType,
 FieldReference field)

accept

public void accept(InstructionVisitor visitor)

compareTo

public final int compareTo(Instruction o)

Specified by:

compareTo in interface Comparable<Instruction>