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92 lines
3.3 KiB
Java
92 lines
3.3 KiB
Java
/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.lang.classfile;
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import java.util.function.Consumer;
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import java.lang.classfile.constantpool.Utf8Entry;
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import jdk.internal.classfile.impl.ChainedMethodBuilder;
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import jdk.internal.classfile.impl.TerminalMethodBuilder;
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import java.lang.reflect.AccessFlag;
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import jdk.internal.javac.PreviewFeature;
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/**
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* A builder for methods. Builders are not created directly; they are passed
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* to handlers by methods such as {@link ClassBuilder#withMethod(Utf8Entry, Utf8Entry, int, Consumer)}
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* or to method transforms. The elements of a method can be specified
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* abstractly (by passing a {@link MethodElement} to {@link #with(ClassFileElement)}
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* or concretely by calling the various {@code withXxx} methods.
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*
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* @see MethodTransform
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*
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* @since 22
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*/
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@PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API)
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public sealed interface MethodBuilder
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extends ClassFileBuilder<MethodElement, MethodBuilder>
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permits ChainedMethodBuilder, TerminalMethodBuilder {
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/**
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* Sets the method access flags.
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* @param flags the access flags, as a bit mask
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* @return this builder
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*/
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default MethodBuilder withFlags(int flags) {
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return with(AccessFlags.ofMethod(flags));
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}
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/**
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* Sets the method access flags.
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* @param flags the access flags, as a bit mask
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* @return this builder
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*/
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default MethodBuilder withFlags(AccessFlag... flags) {
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return with(AccessFlags.ofMethod(flags));
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}
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/**
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* Build the method body for this method.
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* @param code a handler receiving a {@link CodeBuilder}
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* @return this builder
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*/
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MethodBuilder withCode(Consumer<? super CodeBuilder> code);
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/**
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* Build the method body for this method by transforming the body of another
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* method.
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*
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* @implNote
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* <p>This method behaves as if:
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* {@snippet lang=java :
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* withCode(b -> b.transformCode(code, transform));
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* }
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*
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* @param code the method body to be transformed
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* @param transform the transform to apply to the method body
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* @return this builder
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*/
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MethodBuilder transformCode(CodeModel code, CodeTransform transform);
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}
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