/*
 * Copyright 2014 - 2020 Rafael Winterhalter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.bytebuddy.implementation.bytecode;

import net.bytebuddy.implementation.Implementation;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

A stack manipulation that adds to numbers on the operand stack.
/** * A stack manipulation that adds to numbers on the operand stack. */
public enum Addition implements StackManipulation {
Adds two integers or integer-compatible values.
/** * Adds two integers or integer-compatible values. */
INTEGER(Opcodes.IADD, StackSize.SINGLE),
Adds two longs.
/** * Adds two longs. */
LONG(Opcodes.LADD, StackSize.DOUBLE),
Adds two floats.
/** * Adds two floats. */
FLOAT(Opcodes.FADD, StackSize.SINGLE),
Adds two doubles.
/** * Adds two doubles. */
DOUBLE(Opcodes.DADD, StackSize.DOUBLE);
The opcode to apply.
/** * The opcode to apply. */
private final int opcode;
The stack size of the added primitive.
/** * The stack size of the added primitive. */
private final StackSize stackSize;
Creates a new addition.
Params:
  • opcode – The opcode to apply.
  • stackSize – The stack size of the added primitive.
/** * Creates a new addition. * * @param opcode The opcode to apply. * @param stackSize The stack size of the added primitive. */
Addition(int opcode, StackSize stackSize) { this.opcode = opcode; this.stackSize = stackSize; }
{@inheritDoc}
/** * {@inheritDoc} */
public boolean isValid() { return true; }
{@inheritDoc}
/** * {@inheritDoc} */
public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) { methodVisitor.visitInsn(opcode); return stackSize.toDecreasingSize(); } }