package net.bytebuddy.implementation.bytecode;
import lombok.EqualsAndHashCode;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.implementation.Implementation;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
/**
* A stack manipulation for creating an <i>undefined</i> type on which a constructor is to be called.
*/
@EqualsAndHashCode
public class TypeCreation implements StackManipulation {
/**
* The type that is being created.
*/
private final TypeDescription typeDescription;
/**
* Constructs a new type creation.
*
* @param typeDescription The type to be create.
*/
protected TypeCreation(TypeDescription typeDescription) {
this.typeDescription = typeDescription;
}
/**
* Creates a type creation for the given type.
*
* @param typeDescription The type to be create.
* @return A stack manipulation that represents the creation of the given type.
*/
public static StackManipulation of(TypeDescription typeDescription) {
if (typeDescription.isArray() || typeDescription.isPrimitive() || typeDescription.isAbstract()) {
throw new IllegalArgumentException(typeDescription + " is not instantiable");
}
return new TypeCreation(typeDescription);
}
@Override
public boolean isValid() {
return true;
}
@Override
public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) {
methodVisitor.visitTypeInsn(Opcodes.NEW, typeDescription.getInternalName());
return new Size(1, 1);
}
}