scala.tools.asm.tree.MethodInsnNode Maven / Gradle / Ivy
// ASM: a very small and fast Java bytecode manipulation framework
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package scala.tools.asm.tree;
import java.util.Map;
import scala.tools.asm.MethodVisitor;
import scala.tools.asm.Opcodes;
/**
* 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 {@link
* scala.tools.asm.Type#getInternalName()}).
*
* For methods of arrays, e.g., {@code clone()}, the array type descriptor.
*/
public String owner;
/** The method's name. */
public String name;
/** The method's descriptor (see {@link scala.tools.asm.Type}). */
public String desc;
/** Whether the method's owner class if an interface. */
public boolean itf;
/**
* 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
* scala.tools.asm.Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link scala.tools.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 {@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
* scala.tools.asm.Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link scala.tools.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.
*
* @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 clonedLabels) {
return new MethodInsnNode(opcode, owner, name, desc, itf).cloneAnnotations(this);
}
}