author | mcimadamore |
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/* |
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* Copyright (c) 2009, 2016, 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 com.sun.tools.javac.code; |
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import java.util.Collections; |
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import java.util.EnumSet; |
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import java.util.Set; |
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import javax.lang.model.element.ModuleElement; |
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import javax.lang.model.element.PackageElement; |
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import javax.lang.model.element.TypeElement; |
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import com.sun.tools.javac.code.Symbol.ClassSymbol; |
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import com.sun.tools.javac.code.Symbol.ModuleSymbol; |
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import com.sun.tools.javac.code.Symbol.PackageSymbol; |
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import com.sun.tools.javac.util.DefinedBy; |
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import com.sun.tools.javac.util.DefinedBy.Api; |
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import com.sun.tools.javac.util.List; |
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/** |
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* Root class for the directives that may appear in module compilation units. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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public abstract class Directive implements ModuleElement.Directive { |
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/** Flags for RequiresDirective. */ |
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public enum RequiresFlag { |
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TRANSITIVE(0x0010), |
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STATIC_PHASE(0x0020), |
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SYNTHETIC(0x1000), |
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MANDATED(0x8000), |
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EXTRA(0x10000); |
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// overkill? move to ClassWriter? |
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public static int value(Set<RequiresFlag> s) { |
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int v = 0; |
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for (RequiresFlag f: s) |
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v |= f.value; |
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return v; |
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} |
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RequiresFlag(int value) { |
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this.value = value; |
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} |
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public final int value; |
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} |
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/** Flags for ExportsDirective. */ |
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public enum ExportsFlag { |
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SYNTHETIC(0x1000), |
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MANDATED(0x8000); |
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// overkill? move to ClassWriter? |
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public static int value(Set<ExportsFlag> s) { |
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int v = 0; |
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for (ExportsFlag f: s) |
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v |= f.value; |
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return v; |
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} |
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ExportsFlag(int value) { |
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this.value = value; |
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} |
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public final int value; |
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} |
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/** |
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* 'exports' Package ';' |
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* 'exports' Package 'to' ModuleList ';' |
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*/ |
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public static class ExportsDirective extends Directive |
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implements ModuleElement.ExportsDirective { |
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public final PackageSymbol packge; |
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public final List<ModuleSymbol> modules; |
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public final Set<ExportsFlag> flags; |
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public ExportsDirective(PackageSymbol packge, List<ModuleSymbol> modules) { |
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this(packge, modules, EnumSet.noneOf(ExportsFlag.class)); |
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} |
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public ExportsDirective(PackageSymbol packge, List<ModuleSymbol> modules, Set<ExportsFlag> flags) { |
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this.packge = packge; |
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this.modules = modules; |
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this.flags = flags; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ModuleElement.DirectiveKind getKind() { |
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return ModuleElement.DirectiveKind.EXPORTS; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public PackageSymbol getPackage() { |
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return packge; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public java.util.List<ModuleSymbol> getTargetModules() { |
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return modules == null |
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? null |
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: Collections.unmodifiableList(modules); |
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} |
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@Override |
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public String toString() { |
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if (modules == null) |
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return "Exports[" + packge + "]"; |
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else |
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return "Exports[" + packge + ":" + modules + "]"; |
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} |
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} |
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/** Flags for OpensDirective. */ |
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public enum OpensFlag { |
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SYNTHETIC(0x1000), |
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MANDATED(0x8000); |
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// overkill? move to ClassWriter? |
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public static int value(Set<OpensFlag> s) { |
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int v = 0; |
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for (OpensFlag f: s) |
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v |= f.value; |
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return v; |
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} |
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OpensFlag(int value) { |
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this.value = value; |
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} |
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public final int value; |
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} |
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/** |
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* 'opens' Package ';' |
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* 'opens' Package 'to' ModuleList ';' |
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*/ |
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public static class OpensDirective extends Directive |
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implements ModuleElement.OpensDirective { |
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public final PackageSymbol packge; |
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public final List<ModuleSymbol> modules; |
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public final Set<OpensFlag> flags; |
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public OpensDirective(PackageSymbol packge, List<ModuleSymbol> modules) { |
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this(packge, modules, EnumSet.noneOf(OpensFlag.class)); |
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} |
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public OpensDirective(PackageSymbol packge, List<ModuleSymbol> modules, Set<OpensFlag> flags) { |
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this.packge = packge; |
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this.modules = modules; |
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this.flags = flags; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ModuleElement.DirectiveKind getKind() { |
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return ModuleElement.DirectiveKind.OPENS; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public PackageSymbol getPackage() { |
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return packge; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public java.util.List<ModuleSymbol> getTargetModules() { |
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return modules == null |
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? null |
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: Collections.unmodifiableList(modules); |
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} |
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@Override |
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public String toString() { |
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if (modules == null) |
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return "Opens[" + packge + "]"; |
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else |
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return "Opens[" + packge + ":" + modules + "]"; |
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} |
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} |
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/** |
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* 'provides' ServiceName 'with' QualifiedIdentifer ';' |
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*/ |
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public static class ProvidesDirective extends Directive |
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implements ModuleElement.ProvidesDirective { |
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public final ClassSymbol service; |
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public final List<ClassSymbol> impls; |
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public ProvidesDirective(ClassSymbol service, List<ClassSymbol> impls) { |
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this.service = service; |
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this.impls = impls; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ModuleElement.DirectiveKind getKind() { |
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return ModuleElement.DirectiveKind.PROVIDES; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ClassSymbol getService() { |
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return service; |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public List<ClassSymbol> getImplementations() { |
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return impls; |
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} |
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@Override |
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public String toString() { |
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return "Provides[" + service + "," + impls + "]"; |
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} |
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// TODO: delete? |
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@Override |
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public boolean equals(Object obj) { |
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if (!(obj instanceof ProvidesDirective)) { |
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return false; |
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} |
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ProvidesDirective other = (ProvidesDirective)obj; |
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return service == other.service && impls.equals(other.impls); |
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} |
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// TODO: delete? |
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@Override |
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public int hashCode() { |
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return service.hashCode() * 31 + impls.hashCode() * 37; |
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} |
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} |
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/** |
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* 'requires' ('static' | 'transitive')* ModuleName ';' |
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*/ |
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public static class RequiresDirective extends Directive |
|
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implements ModuleElement.RequiresDirective { |
|
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public final ModuleSymbol module; |
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public final Set<RequiresFlag> flags; |
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public RequiresDirective(ModuleSymbol module) { |
|
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this(module, EnumSet.noneOf(RequiresFlag.class)); |
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} |
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public RequiresDirective(ModuleSymbol module, Set<RequiresFlag> flags) { |
|
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this.module = module; |
|
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this.flags = flags; |
|
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ModuleElement.DirectiveKind getKind() { |
|
278 |
return ModuleElement.DirectiveKind.REQUIRES; |
|
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public boolean isStatic() { |
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return flags.contains(RequiresFlag.STATIC_PHASE); |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public boolean isTransitive() { |
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return flags.contains(RequiresFlag.TRANSITIVE); |
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} |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ModuleSymbol getDependency() { |
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return module; |
294 |
} |
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@Override |
|
297 |
public String toString() { |
|
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return "Requires[" + flags + "," + module + "]"; |
|
299 |
} |
|
300 |
} |
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/** |
|
303 |
* 'uses' ServiceName ';' |
|
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*/ |
|
305 |
public static class UsesDirective extends Directive |
|
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implements ModuleElement.UsesDirective { |
|
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public final ClassSymbol service; |
|
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309 |
public UsesDirective(ClassSymbol service) { |
|
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this.service = service; |
|
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} |
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312 |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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314 |
public ModuleElement.DirectiveKind getKind() { |
|
315 |
return ModuleElement.DirectiveKind.USES; |
|
316 |
} |
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317 |
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@Override @DefinedBy(Api.LANGUAGE_MODEL) |
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public ClassSymbol getService() { |
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return service; |
321 |
} |
|
322 |
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@Override |
|
324 |
public String toString() { |
|
325 |
return "Uses[" + service + "]"; |
|
326 |
} |
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// TODO: delete? |
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@Override |
330 |
public boolean equals(Object obj) { |
|
331 |
if (!(obj instanceof UsesDirective)) { |
|
332 |
return false; |
|
333 |
} |
|
334 |
UsesDirective other = (UsesDirective)obj; |
|
335 |
return service == other.service; |
|
336 |
} |
|
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// TODO: delete? |
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@Override |
340 |
public int hashCode() { |
|
341 |
return service.hashCode() * 31; |
|
342 |
} |
|
343 |
} |
|
344 |
} |