AbstractInsnNode (ASM 4.1 Documentation)

java.lang.Object
- org.objectweb.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.

Author:

Eric Bruneton

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`FIELD_INSN` The type of `FieldInsnNode` instructions.
`static int`	`FRAME` The type of `FrameNode` "instructions".
`static int`	`IINC_INSN` The type of `IincInsnNode` instructions.
`static int`	`INSN` The type of `InsnNode` instructions.
`static int`	`INT_INSN` The type of `IntInsnNode` instructions.
`static int`	`INVOKE_DYNAMIC_INSN` The type of `InvokeDynamicInsnNode` instructions.
`static int`	`JUMP_INSN` The type of `JumpInsnNode` instructions.
`static int`	`LABEL` The type of `LabelNode` "instructions".
`static int`	`LDC_INSN` The type of `LdcInsnNode` instructions.
`static int`	`LINE` The type of `LineNumberNode` "instructions".
`static int`	`LOOKUPSWITCH_INSN` The type of `LookupSwitchInsnNode` instructions.
`static int`	`METHOD_INSN` The type of `MethodInsnNode` instructions.
`static int`	`MULTIANEWARRAY_INSN` The type of `MultiANewArrayInsnNode` instructions.
`protected int`	`opcode` The opcode of this instruction.
`static int`	`TABLESWITCH_INSN` The type of `TableSwitchInsnNode` instructions.
`static int`	`TYPE_INSN` The type of `TypeInsnNode` instructions.
`static int`	`VAR_INSN` The type of `VarInsnNode` instructions.

Constructor Summary

Constructors
Modifier Constructor and Description

protected AbstractInsnNode(int opcode)
Constructs a new AbstractInsnNode.

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

Method Summary

Methods
Modifier and Type	Method and Description
`abstract void`	`accept(MethodVisitor cv)` Makes the given code visitor visit this instruction.
`abstract AbstractInsnNode`	`clone(Map<LabelNode,LabelNode> labels)` Returns a copy of 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 Detail
  - 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.
- Constructor Detail
  - AbstractInsnNode
```
protected AbstractInsnNode(int opcode)
```
    Constructs a new AbstractInsnNode.
    
    Parameters:
    opcode - the opcode of the instruction to be constructed.
- Method Detail
  - getOpcode
```
public int getOpcode()
```
    Returns the opcode of this instruction.
    
    Returns:
    the opcode of this instruction.
  - 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 cv)
```
    Makes the given code visitor visit this instruction.
    
    Parameters:
    cv - a code visitor.
  - clone
```
public abstract AbstractInsnNode clone(Map<LabelNode,LabelNode> labels)
```
    Returns a copy of this instruction.
    
    Parameters:
    labels - a map from LabelNodes to cloned LabelNodes.
    
    Returns:
    a copy of this instruction. The returned instruction does not belong to any InsnList.

Class AbstractInsnNode

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

INSN

INT_INSN

VAR_INSN

TYPE_INSN

FIELD_INSN

METHOD_INSN

INVOKE_DYNAMIC_INSN

JUMP_INSN

LABEL

LDC_INSN

IINC_INSN

TABLESWITCH_INSN

LOOKUPSWITCH_INSN

MULTIANEWARRAY_INSN

FRAME

LINE

opcode

Constructor Detail

AbstractInsnNode

Method Detail

getOpcode

getType

getPrevious

getNext

accept

clone