Module org.eclipse.persistence.asm

Package org.eclipse.persistence.internal.libraries.asm.tree

Class AbstractInsnNode

java.lang.Object

org.eclipse.persistence.internal.libraries.asm.tree.AbstractInsnNode

Direct Known Subclasses:

FieldInsnNode, FrameNode, IincInsnNode, InsnNode, IntInsnNode, InvokeDynamicInsnNode, JumpInsnNode, LabelNode, LdcInsnNode, LineNumberNode, LookupSwitchInsnNode, MethodInsnNode, MultiANewArrayInsnNode, TableSwitchInsnNode, TypeInsnNode, VarInsnNode

public abstract class AbstractInsnNode
extends Object

A node that represents a bytecode instruction. An instruction can appear at most once in at most one InsnList at a time.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	FIELD_INSN	The type of FieldInsnNode instructions.
static final int	FRAME	The type of FrameNode "instructions".
static final int	IINC_INSN	The type of IincInsnNode instructions.
static final int	INSN	The type of InsnNode instructions.
static final int	INT_INSN	The type of IntInsnNode instructions.
List<TypeAnnotationNode>	invisibleTypeAnnotations	The runtime invisible type annotations of this instruction.
static final int	INVOKE_DYNAMIC_INSN	The type of InvokeDynamicInsnNode instructions.
static final int	JUMP_INSN	The type of JumpInsnNode instructions.
static final int	LABEL	The type of LabelNode "instructions".
static final int	LDC_INSN	The type of LdcInsnNode instructions.
static final int	LINE	The type of LineNumberNode "instructions".
static final int	LOOKUPSWITCH_INSN	The type of LookupSwitchInsnNode instructions.
static final int	METHOD_INSN	The type of MethodInsnNode instructions.
static final int	MULTIANEWARRAY_INSN	The type of MultiANewArrayInsnNode instructions.
protected int	opcode	The opcode of this instruction, or -1 if this is not a JVM instruction (e.g.
static final int	TABLESWITCH_INSN	The type of TableSwitchInsnNode instructions.
static final int	TYPE_INSN	The type of TypeInsnNode instructions.
static final int	VAR_INSN	The type of VarInsnNode instructions.
List<TypeAnnotationNode>	visibleTypeAnnotations	The runtime visible type annotations of this instruction.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractInsnNode(int opcode)	Constructs a new AbstractInsnNode.

Method Summary

Modifier and Type	Method	Description
abstract void	accept(MethodVisitor methodVisitor)	Makes the given method visitor visit this instruction.
protected final void	acceptAnnotations(MethodVisitor methodVisitor)	Makes the given visitor visit the annotations of this instruction.
abstract AbstractInsnNode	clone(Map<LabelNode,LabelNode> clonedLabels)	Returns a copy of this instruction.
protected final AbstractInsnNode	cloneAnnotations(AbstractInsnNode insnNode)	Clones the annotations of the given instruction into this instruction.
AbstractInsnNode	getNext()	Returns the next instruction in the list to which this instruction belongs, if any.
int	getOpcode()	Returns the opcode of this instruction.
AbstractInsnNode	getPrevious()	Returns the previous instruction in the list to which this instruction belongs, if any.
abstract int	getType()	Returns the type of this instruction.

Methods inherited from class java.lang.Object

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

Field Details

INSN

public static final int INSN

The type of InsnNode instructions.

See Also:

• Constant Field Values

INT_INSN

public static final int INT_INSN

The type of IntInsnNode instructions.

See Also:

• Constant Field Values

VAR_INSN

public static final int VAR_INSN

The type of VarInsnNode instructions.

See Also:

• Constant Field Values

TYPE_INSN

public static final int TYPE_INSN

The type of TypeInsnNode instructions.

See Also:

• Constant Field Values

FIELD_INSN

public static final int FIELD_INSN

The type of FieldInsnNode instructions.

See Also:

• Constant Field Values

METHOD_INSN

public static final int METHOD_INSN

The type of MethodInsnNode instructions.

See Also:

• Constant Field Values

INVOKE_DYNAMIC_INSN

public static final int INVOKE_DYNAMIC_INSN

The type of InvokeDynamicInsnNode instructions.

See Also:

• Constant Field Values

JUMP_INSN

public static final int JUMP_INSN

The type of JumpInsnNode instructions.

See Also:

• Constant Field Values

LABEL

public static final int LABEL

The type of LabelNode "instructions".

See Also:

• Constant Field Values

LDC_INSN

public static final int LDC_INSN

The type of LdcInsnNode instructions.

See Also:

• Constant Field Values

IINC_INSN

public static final int IINC_INSN

The type of IincInsnNode instructions.

See Also:

• Constant Field Values

TABLESWITCH_INSN

public static final int TABLESWITCH_INSN

The type of TableSwitchInsnNode instructions.

See Also:

• Constant Field Values

LOOKUPSWITCH_INSN

public static final int LOOKUPSWITCH_INSN

The type of LookupSwitchInsnNode instructions.

See Also:

• Constant Field Values

MULTIANEWARRAY_INSN

public static final int MULTIANEWARRAY_INSN

The type of MultiANewArrayInsnNode instructions.

See Also:

• Constant Field Values

FRAME

public static final int FRAME

The type of FrameNode "instructions".

See Also:

• Constant Field Values

LINE

public static final int LINE

The type of LineNumberNode "instructions".

See Also:

• Constant Field Values

opcode

protected int opcode

The opcode of this instruction, or -1 if this is not a JVM instruction (e.g. a label or a line number).

visibleTypeAnnotations

public List<TypeAnnotationNode> visibleTypeAnnotations

The runtime visible type annotations of this instruction. This field is only used for real instructions (i.e. not for labels, frames, or line number nodes). This list is a list of TypeAnnotationNode objects. May be null.

invisibleTypeAnnotations

public List<TypeAnnotationNode> invisibleTypeAnnotations

The runtime invisible type annotations of this instruction. This field is only used for real instructions (i.e. not for labels, frames, or line number nodes). This list is a list of TypeAnnotationNode objects. May be null.

Constructor Details

AbstractInsnNode

protected AbstractInsnNode(int opcode)

Constructs a new AbstractInsnNode.

Parameters:

opcode - the opcode of the instruction to be constructed.

Method Details

getOpcode

public int getOpcode()

Returns the opcode of this instruction.

Returns:

the opcode of this instruction, or -1 if this is not a JVM instruction (e.g. a label or a line number).

getType

public abstract int getType()

Returns the type of this instruction.

Returns:

the type of this instruction, i.e. one the constants defined in this class.

getPrevious

public AbstractInsnNode getPrevious()

Returns the previous instruction in the list to which this instruction belongs, if any.

Returns:

the previous instruction in the list to which this instruction belongs, if any. May be null.

getNext

public AbstractInsnNode getNext()

Returns the next instruction in the list to which this instruction belongs, if any.

Returns:

the next instruction in the list to which this instruction belongs, if any. May be null.

accept

public abstract void accept(MethodVisitor methodVisitor)

Makes the given method visitor visit this instruction.

Parameters:

methodVisitor - a method visitor.

acceptAnnotations

protected final void acceptAnnotations(MethodVisitor methodVisitor)

Makes the given visitor visit the annotations of this instruction.

Parameters:

methodVisitor - a method visitor.

clone

public abstract AbstractInsnNode clone(Map<LabelNode,LabelNode> clonedLabels)

Returns a copy of this instruction.

Parameters:

clonedLabels - a map from LabelNodes to cloned LabelNodes.

Returns:

a copy of this instruction. The returned instruction does not belong to any InsnList.

cloneAnnotations

protected final AbstractInsnNode cloneAnnotations(AbstractInsnNode insnNode)

Clones the annotations of the given instruction into this instruction.

Parameters:

insnNode - the source instruction.

Returns:

this instruction.