// ASM: a very small and fast Java bytecode manipulation framework
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package org.objectweb.asm.tree;

import java.util.Map;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

A node that represents a method instruction. A method instruction is an instruction that invokes a method.
Author:Eric Bruneton
/** * A node that represents a method instruction. A method instruction is an instruction that invokes * a method. * * @author Eric Bruneton */
public class MethodInsnNode extends AbstractInsnNode {
The internal name of the method's owner class (see Type.getInternalName()).

For methods of arrays, e.g., clone(), the array type descriptor.

/** * The internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * * <p>For methods of arrays, e.g., {@code clone()}, the array type descriptor. */
public String owner;
The method's name.
/** The method's name. */
public String name;
The method's descriptor (see Type).
/** The method's descriptor (see {@link org.objectweb.asm.Type}). */
public String desc;
Whether the method's owner class if an interface.
/** Whether the method's owner class if an interface. */
public boolean itf;
Constructs a new MethodInsnNode.
Params:
  • opcode – the opcode of the type instruction to be constructed. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
  • owner – the internal name of the method's owner class (see Type.getInternalName()).
  • name – the method's name.
  • descriptor – the method's descriptor (see Type).
/** * Constructs a new {@link MethodInsnNode}. * * @param opcode the opcode of the type instruction to be constructed. This opcode must be * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE. * @param owner the internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * @param name the method's name. * @param descriptor the method's descriptor (see {@link org.objectweb.asm.Type}). */
public MethodInsnNode( final int opcode, final String owner, final String name, final String descriptor) { this(opcode, owner, name, descriptor, opcode == Opcodes.INVOKEINTERFACE); }
Constructs a new MethodInsnNode.
Params:
  • opcode – the opcode of the type instruction to be constructed. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
  • owner – the internal name of the method's owner class (see Type.getInternalName()).
  • name – the method's name.
  • descriptor – the method's descriptor (see Type).
  • isInterface – if the method's owner class is an interface.
/** * Constructs a new {@link MethodInsnNode}. * * @param opcode the opcode of the type instruction to be constructed. This opcode must be * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE. * @param owner the internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * @param name the method's name. * @param descriptor the method's descriptor (see {@link org.objectweb.asm.Type}). * @param isInterface if the method's owner class is an interface. */
public MethodInsnNode( final int opcode, final String owner, final String name, final String descriptor, final boolean isInterface) { super(opcode); this.owner = owner; this.name = name; this.desc = descriptor; this.itf = isInterface; }
Sets the opcode of this instruction.
Params:
  • opcode – the new instruction opcode. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
/** * Sets the opcode of this instruction. * * @param opcode the new instruction opcode. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL, * INVOKESTATIC or INVOKEINTERFACE. */
public void setOpcode(final int opcode) { this.opcode = opcode; } @Override public int getType() { return METHOD_INSN; } @Override public void accept(final MethodVisitor methodVisitor) { methodVisitor.visitMethodInsn(opcode, owner, name, desc, itf); acceptAnnotations(methodVisitor); } @Override public AbstractInsnNode clone(final Map<LabelNode, LabelNode> clonedLabels) { return new MethodInsnNode(opcode, owner, name, desc, itf).cloneAnnotations(this); } }