/* * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.tools.javac.code; import java.lang.annotation.Annotation; import java.lang.annotation.Inherited; import java.util.Collections; import java.util.EnumSet; import java.util.HashMap; import java.util.Map; import java.util.Set; import java.util.concurrent.Callable; import java.util.function.Supplier; import javax.lang.model.element.Element; import javax.lang.model.element.ElementKind; import javax.lang.model.element.ElementVisitor; import javax.lang.model.element.ExecutableElement; import javax.lang.model.element.Modifier; import javax.lang.model.element.ModuleElement; import javax.lang.model.element.NestingKind; import javax.lang.model.element.PackageElement; import javax.lang.model.element.RecordComponentElement; import javax.lang.model.element.TypeElement; import javax.lang.model.element.TypeParameterElement; import javax.lang.model.element.VariableElement; import javax.tools.JavaFileManager; import javax.tools.JavaFileObject; import com.sun.tools.javac.code.Kinds.Kind; import com.sun.tools.javac.comp.Annotate.AnnotationTypeMetadata; import com.sun.tools.javac.code.Type.*; import com.sun.tools.javac.comp.Attr; import com.sun.tools.javac.comp.AttrContext; import com.sun.tools.javac.comp.Env; import com.sun.tools.javac.jvm.*; import com.sun.tools.javac.jvm.PoolConstant; import com.sun.tools.javac.tree.JCTree; import com.sun.tools.javac.tree.JCTree.JCAnnotation; import com.sun.tools.javac.tree.JCTree.JCFieldAccess; import com.sun.tools.javac.tree.JCTree.JCVariableDecl; import com.sun.tools.javac.tree.JCTree.Tag; import com.sun.tools.javac.util.*; import com.sun.tools.javac.util.DefinedBy.Api; import com.sun.tools.javac.util.List; import com.sun.tools.javac.util.Name; import static com.sun.tools.javac.code.Flags.*; import static com.sun.tools.javac.code.Kinds.*; import static com.sun.tools.javac.code.Kinds.Kind.*; import static com.sun.tools.javac.code.Scope.LookupKind.NON_RECURSIVE; import com.sun.tools.javac.code.Scope.WriteableScope; import static com.sun.tools.javac.code.TypeTag.CLASS; import static com.sun.tools.javac.code.TypeTag.FORALL; import static com.sun.tools.javac.code.TypeTag.TYPEVAR; import static com.sun.tools.javac.jvm.ByteCodes.iadd; import static com.sun.tools.javac.jvm.ByteCodes.ishll; import static com.sun.tools.javac.jvm.ByteCodes.lushrl; import static com.sun.tools.javac.jvm.ByteCodes.lxor; import static com.sun.tools.javac.jvm.ByteCodes.string_add; /** Root class for Java symbols. It contains subclasses * for specific sorts of symbols, such as variables, methods and operators, * types, packages. Each subclass is represented as a static inner class * inside Symbol. * *
This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.
*/
public abstract class Symbol extends AnnoConstruct implements PoolConstant, Element {
/** The kind of this symbol.
* @see Kinds
*/
public Kind kind;
/** The flags of this symbol.
*/
public long flags_field;
/** An accessor method for the flags of this symbol.
* Flags of class symbols should be accessed through the accessor
* method to make sure that the class symbol is loaded.
*/
public long flags() { return flags_field; }
/** The name of this symbol in Utf8 representation.
*/
public Name name;
/** The type of this symbol.
*/
public Type type;
/** The owner of this symbol.
*/
public Symbol owner;
/** The completer of this symbol.
* This should never equal null (NULL_COMPLETER should be used instead).
*/
public Completer completer;
/** A cache for the type erasure of this symbol.
*/
public Type erasure_field;
//