All Downloads are FREE. Search and download functionalities are using the official Maven repository.

net.bytebuddy.implementation.bytecode.constant.FloatConstant Maven / Gradle / Ivy

Go to download

Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

There is a newer version: 3.40.2
Show newest version
/*
 * Copyright 2014 - Present 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.constant;

import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.implementation.bytecode.StackSize;
import net.bytebuddy.jar.asm.MethodVisitor;
import net.bytebuddy.jar.asm.Opcodes;

/**
 * This class is responsible for loading any {@code float} constant onto the operand stack.
 */
public enum FloatConstant implements StackManipulation {

    /**
     * A {@code float} constant of value {@code 0.0f}.
     */
    ZERO(Opcodes.FCONST_0),

    /**
     * A {@code float} constant of value {@code 1.0f}.
     */
    ONE(Opcodes.FCONST_1),

    /**
     * A {@code float} constant of value {@code 2.0f}.
     */
    TWO(Opcodes.FCONST_2);

    /**
     * The size impact of loading a {@code float} constant onto the operand stack.
     */
    private static final Size SIZE = StackSize.SINGLE.toIncreasingSize();

    /**
     * The shortcut opcode for loading a {@code float} constant.
     */
    private final int opcode;

    /**
     * Creates a new shortcut operation for loading a common {@code float} onto the operand stack.
     *
     * @param opcode The shortcut opcode for loading a {@code float} constant.
     */
    FloatConstant(int opcode) {
        this.opcode = opcode;
    }

    /**
     * Creates a stack manipulation for loading a {@code float} value onto the operand stack.
     * 

 

* This is achieved either by invoking a specific opcode, if any, or by creating a constant pool entry. * * @param value The {@code float} value to load onto the stack. * @return A stack manipulation for loading the given {@code float} value. */ public static StackManipulation forValue(float value) { if (value == 0f) { return ZERO; } else if (value == 1f) { return ONE; } else if (value == 2f) { return TWO; } else { return new ConstantPool(value); } } /** * {@inheritDoc} */ public boolean isValid() { return true; } /** * {@inheritDoc} */ public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) { methodVisitor.visitInsn(opcode); return SIZE; } /** * A stack manipulation for loading a {@code float} value from a class's constant pool onto the operand stack. */ @HashCodeAndEqualsPlugin.Enhance protected static class ConstantPool extends StackManipulation.AbstractBase { /** * The {@code float} value to be loaded onto the operand stack. */ private final float value; /** * Creates a new constant pool load operation. * * @param value The {@code float} value to be loaded onto the operand stack. */ protected ConstantPool(float value) { this.value = value; } /** * {@inheritDoc} */ public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) { methodVisitor.visitLdcInsn(value); return SIZE; } } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy