parser/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/reactor/RFC7950Reactors.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.reactor;
   9
  10 import static org.opendaylight.yangtools.yang.common.YangVersion.VERSION_1;
  11 import static org.opendaylight.yangtools.yang.common.YangVersion.VERSION_1_1;
  12
  13 import com.google.common.annotations.Beta;
  14 import com.google.common.collect.ImmutableSet;
  15 import com.google.common.collect.Sets;
  16 import org.eclipse.jdt.annotation.NonNull;
  17 import org.opendaylight.yangtools.yang.common.YangVersion;
  18 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
  19 import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.ModuleQNameToPrefix;
  20 import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.YangNamespaceContextNamespace;
  21 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentImplicitHandlingNamespace;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentStatementRFC6020Support;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentStatementRFC7950Support;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate.DeviateStatementRFC6020Support;
  25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate.DeviateStatementRFC7950Support;
  26 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.extension.ExtensionStatementSupport;
  27 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.if_feature.IfFeatureStatementRFC6020Support;
  28 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.if_feature.IfFeatureStatementRFC7950Support;
  29 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.import_.ImportStatementSupport;
  30 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.import_.ImportedVersionNamespace;
  31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.list.ConfigListWarningNamespace;
  32 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.list.ListStatementSupport;
  33 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ActionStatementSupport;
  34 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.AnydataStatementSupport;
  35 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.AnyxmlStatementSupport;
  36 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ArgumentStatementSupport;
  37 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.BaseStatementSupport;
  38 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.BelongsToStatementSupport;
  39 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.BitStatementSupport;
  40 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.CaseStatementSupport;
  41 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ChoiceStatementSupport;
  42 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ConfigStatementSupport;
  43 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ContactStatementSupport;
  44 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ContainerStatementSupport;
  45 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.DefaultStatementSupport;
  46 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.DescriptionStatementSupport;
  47 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.DeviationStatementSupport;
  48 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.EnumStatementSupport;
  49 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ErrorAppTagStatementSupport;
  50 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ErrorMessageStatementSupport;
  51 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.FeatureStatementSupport;
  52 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.FractionDigitsStatementSupport;
  53 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.GroupingStatementSupport;
  54 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.IdentityStatementSupport;
  55 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.IncludeStatementSupport;
  56 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.InputStatementSupport;
  57 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.KeyStatementSupport;
  58 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.LeafListStatementSupport;
  59 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.LeafStatementSupport;
  60 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.LengthStatementSupport;
  61 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.MandatoryStatementSupport;
  62 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.MaxElementsStatementSupport;
  63 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.MinElementsStatementSupport;
  64 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ModifierStatementSupport;
  65 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.MustStatementSupport;
  66 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.NamespaceStatementSupport;
  67 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.OrderedByStatementSupport;
  68 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.OrganizationStatementSupport;
  69 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.OutputStatementSupport;
  70 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.PositionStatementSupport;
  71 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.PrefixStatementSupport;
  72 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.PresenceStatementSupport;
  73 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.RangeStatementSupport;
  74 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ReferenceStatementSupport;
  75 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.RequireInstanceStatementSupport;
  76 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.RevisionDateStatementSupport;
  77 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.RevisionStatementSupport;
  78 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.RpcStatementSupport;
  79 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.StatusStatementSupport;
  80 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.TypedefStatementSupport;
  81 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.UniqueStatementSupport;
  82 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.UnitsStatementSupport;
  83 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.ValueStatementSupport;
  84 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.WhenStatementSupport;
  85 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.XPathSupport;
  86 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.YangVersionStatementSupport;
  87 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta.YinElementStatementSupport;
  88 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.module.ModuleStatementSupport;
  89 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.module.QNameModuleNamespace;
  90 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.notification.NotificationStatementRFC6020Support;
  91 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.notification.NotificationStatementRFC7950Support;
  92 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.path.PathStatementSupport;
  93 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.pattern.PatternStatementSupport;
  94 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.refine.RefineStatementSupport;
  95 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.refine.RefineTargetNamespace;
  96 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.submodule.SubmoduleStatementSupport;
  97 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.BaseTypeNamespace;
  98 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.TypeStatementRFC6020Support;
  99 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.TypeStatementRFC7950Support;
 100 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.uses.SourceGroupingNamespace;
 101 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.uses.UsesStatementSupport;
 102 import org.opendaylight.yangtools.yang.parser.spi.ExtensionNamespace;
 103 import org.opendaylight.yangtools.yang.parser.spi.FeatureNamespace;
 104 import org.opendaylight.yangtools.yang.parser.spi.GroupingNamespace;
 105 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
 106 import org.opendaylight.yangtools.yang.parser.spi.ModuleNamespace;
 107 import org.opendaylight.yangtools.yang.parser.spi.NamespaceToModule;
 108 import org.opendaylight.yangtools.yang.parser.spi.PreLinkageModuleNamespace;
 109 import org.opendaylight.yangtools.yang.parser.spi.SchemaTreeNamespace;
 110 import org.opendaylight.yangtools.yang.parser.spi.SubmoduleNamespace;
 111 import org.opendaylight.yangtools.yang.parser.spi.TypeNamespace;
 112 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
 113 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementDefinitionNamespace;
 114 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupportBundle;
 115 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToModuleContext;
 116 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleCtx;
 117 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleName;
 118 import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToNamespace;
 119 import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
 120 import org.opendaylight.yangtools.yang.parser.spi.source.ImportedModuleContext;
 121 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedModuleContext;
 122 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedSubmoduleNameToModuleCtx;
 123 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
 124 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToSourceIdentifier;
 125 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToModuleQName;
 126 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToNamespace;
 127 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
 128 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleQNameToModuleName;
 129 import org.opendaylight.yangtools.yang.parser.spi.source.ModulesDeviatedByModules;
 130 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
 131 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace;
 132 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace;
 133 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace.ValidationBundleType;
 134 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
 135 import org.opendaylight.yangtools.yang.xpath.api.YangXPathParserFactory;
 136
 137 /**
 138  * Utility class holding entrypoints for assembling RFC6020/RFC7950 statement {@link CrossSourceStatementReactor}s.
 139  *
 140  * @author Robert Varga
 141  */
 142 @Beta
 143 public final class RFC7950Reactors {
 144     private static final ImmutableSet<YangVersion> SUPPORTED_VERSIONS = Sets.immutableEnumSet(VERSION_1, VERSION_1_1);
 145
 146     private static final StatementSupportBundle INIT_BUNDLE = StatementSupportBundle.builder(SUPPORTED_VERSIONS)
 147         .addSupport(ValidationBundlesNamespace.BEHAVIOUR)
 148         .addSupport(SupportedFeaturesNamespace.BEHAVIOUR)
 149         .addSupport(ModulesDeviatedByModules.BEHAVIOUR)
 150         .build();
 151
 152     private RFC7950Reactors() {
 153         // Hidden on purpose
 154     }
 155
 156     private static StatementSupportBundle preLinkageBundle(final YangParserConfiguration config) {
 157         return StatementSupportBundle.derivedFrom(INIT_BUNDLE)
 158             .addVersionSpecificSupport(VERSION_1, ModuleStatementSupport.rfc6020Instance(config))
 159             .addVersionSpecificSupport(VERSION_1_1, ModuleStatementSupport.rfc7950Instance(config))
 160             .addVersionSpecificSupport(VERSION_1, SubmoduleStatementSupport.rfc6020Instance(config))
 161             .addVersionSpecificSupport(VERSION_1_1, SubmoduleStatementSupport.rfc7950Instance(config))
 162             .addSupport(new NamespaceStatementSupport(config))
 163             .addVersionSpecificSupport(VERSION_1, ImportStatementSupport.rfc6020Instance(config))
 164             .addVersionSpecificSupport(VERSION_1_1, ImportStatementSupport.rfc7950Instance(config))
 165             .addVersionSpecificSupport(VERSION_1, IncludeStatementSupport.rfc6020Instance(config))
 166             .addVersionSpecificSupport(VERSION_1_1, IncludeStatementSupport.rfc7950Instance(config))
 167             .addSupport(new BelongsToStatementSupport(config))
 168             .addSupport(new PrefixStatementSupport(config))
 169             .addSupport(new YangVersionStatementSupport(config))
 170             .addSupport(new RevisionStatementSupport(config))
 171             .addSupport(new RevisionDateStatementSupport(config))
 172             .addSupport(ModuleNameToNamespace.BEHAVIOUR)
 173             .addSupport(PreLinkageModuleNamespace.BEHAVIOUR)
 174             .addSupport(ImpPrefixToNamespace.BEHAVIOUR)
 175             .addSupport(ModuleCtxToModuleQName.BEHAVIOUR)
 176             .addSupport(QNameModuleNamespace.BEHAVIOUR)
 177             .addSupport(ImportedVersionNamespace.BEHAVIOUR)
 178             .build();
 179     }
 180
 181     private static StatementSupportBundle linkageBundle(final StatementSupportBundle preLinkageBundle,
 182             final YangParserConfiguration config) {
 183         return StatementSupportBundle.derivedFrom(preLinkageBundle)
 184             .addSupport(new DescriptionStatementSupport(config))
 185             .addSupport(new ReferenceStatementSupport(config))
 186             .addSupport(new ContactStatementSupport(config))
 187             .addSupport(new OrganizationStatementSupport(config))
 188             .addSupport(ModuleNamespace.BEHAVIOUR)
 189             .addSupport(ModuleNamespaceForBelongsTo.BEHAVIOUR)
 190             .addSupport(SubmoduleNamespace.BEHAVIOUR)
 191             .addSupport(NamespaceToModule.BEHAVIOUR)
 192             .addSupport(ModuleNameToModuleQName.BEHAVIOUR)
 193             .addSupport(ModuleCtxToSourceIdentifier.BEHAVIOUR)
 194             .addSupport(ModuleQNameToModuleName.BEHAVIOUR)
 195             .addSupport(PrefixToModule.BEHAVIOUR)
 196             .addSupport(ImportedModuleContext.BEHAVIOUR)
 197             .addSupport(IncludedModuleContext.BEHAVIOUR)
 198             .addSupport(IncludedSubmoduleNameToModuleCtx.BEHAVIOUR)
 199             .addSupport(ImportPrefixToModuleCtx.BEHAVIOUR)
 200             .addSupport(BelongsToPrefixToModuleCtx.BEHAVIOUR)
 201             .addSupport(ModuleQNameToPrefix.BEHAVIOUR)
 202             .addSupport(BelongsToModuleContext.BEHAVIOUR)
 203             .addSupport(BelongsToPrefixToModuleName.BEHAVIOUR)
 204             .build();
 205     }
 206
 207     private static StatementSupportBundle stmtDefBundle(final StatementSupportBundle linkageBundle,
 208             final YangParserConfiguration config) {
 209         return StatementSupportBundle.derivedFrom(linkageBundle)
 210             .addSupport(new YinElementStatementSupport(config))
 211             .addSupport(new ArgumentStatementSupport(config))
 212             .addSupport(new ExtensionStatementSupport(config))
 213             .addSupport(SchemaTreeNamespace.getInstance())
 214             .addSupport(ExtensionNamespace.BEHAVIOUR)
 215             .addSupport(new TypedefStatementSupport(config))
 216             .addSupport(TypeNamespace.BEHAVIOUR)
 217             .addVersionSpecificSupport(VERSION_1, IdentityStatementSupport.rfc6020Instance(config))
 218             .addVersionSpecificSupport(VERSION_1_1, IdentityStatementSupport.rfc7950Instance(config))
 219             .addSupport(IdentityNamespace.BEHAVIOUR)
 220             .addSupport(new DefaultStatementSupport(config))
 221             .addSupport(new StatusStatementSupport(config))
 222             .addSupport(BaseTypeNamespace.BEHAVIOUR)
 223             .addVersionSpecificSupport(VERSION_1, new TypeStatementRFC6020Support(config))
 224             .addVersionSpecificSupport(VERSION_1_1, new TypeStatementRFC7950Support(config))
 225             .addSupport(new UnitsStatementSupport(config))
 226             .addSupport(new RequireInstanceStatementSupport(config))
 227             .addVersionSpecificSupport(VERSION_1, BitStatementSupport.rfc6020Instance(config))
 228             .addVersionSpecificSupport(VERSION_1_1, BitStatementSupport.rfc7950Instance(config))
 229             .addSupport(PathStatementSupport.strictInstance(config))
 230             .addVersionSpecificSupport(VERSION_1, EnumStatementSupport.rfc6020Instance(config))
 231             .addVersionSpecificSupport(VERSION_1_1, EnumStatementSupport.rfc7950Instance(config))
 232             .addSupport(new LengthStatementSupport(config))
 233             .addVersionSpecificSupport(VERSION_1, PatternStatementSupport.rfc6020Instance(config))
 234             .addVersionSpecificSupport(VERSION_1_1, PatternStatementSupport.rfc7950Instance(config))
 235             .addVersionSpecificSupport(VERSION_1_1, new ModifierStatementSupport(config))
 236             .addSupport(new RangeStatementSupport(config))
 237             .addSupport(new KeyStatementSupport(config))
 238             .addVersionSpecificSupport(VERSION_1, ContainerStatementSupport.rfc6020Instance(config))
 239             .addVersionSpecificSupport(VERSION_1_1, ContainerStatementSupport.rfc7950Instance(config))
 240             .addVersionSpecificSupport(VERSION_1, GroupingStatementSupport.rfc6020Instance(config))
 241             .addVersionSpecificSupport(VERSION_1_1, GroupingStatementSupport.rfc7950Instance(config))
 242             .addVersionSpecificSupport(VERSION_1, ListStatementSupport.rfc6020Instance(config))
 243             .addVersionSpecificSupport(VERSION_1_1, ListStatementSupport.rfc7950Instance(config))
 244             .addSupport(ConfigListWarningNamespace.BEHAVIOUR)
 245             .addSupport(new UniqueStatementSupport(config))
 246             .addVersionSpecificSupport(VERSION_1_1, new ActionStatementSupport(config))
 247             .addVersionSpecificSupport(VERSION_1, new RpcStatementSupport(config))
 248             .addVersionSpecificSupport(VERSION_1_1, new RpcStatementSupport(config))
 249             .addVersionSpecificSupport(VERSION_1, InputStatementSupport.rfc6020Instance(config))
 250             .addVersionSpecificSupport(VERSION_1_1, InputStatementSupport.rfc7950Instance(config))
 251             .addVersionSpecificSupport(VERSION_1, OutputStatementSupport.rfc6020Instance(config))
 252             .addVersionSpecificSupport(VERSION_1_1, OutputStatementSupport.rfc7950Instance(config))
 253             .addVersionSpecificSupport(VERSION_1, new NotificationStatementRFC6020Support(config))
 254             .addVersionSpecificSupport(VERSION_1_1, new NotificationStatementRFC7950Support(config))
 255             .addSupport(new FractionDigitsStatementSupport(config))
 256             .addSupport(new BaseStatementSupport(config))
 257             .addSupport(StatementDefinitionNamespace.BEHAVIOUR)
 258             .build();
 259     }
 260
 261     /**
 262      * Returns a pre-built {@link CrossSourceStatementReactor} supporting RFC6020 and RFC7950, along with OpenConfig
 263      * semantic version extension. This is useful for parsing near-vanilla YANG models while providing complete
 264      * support for semantic versions.
 265      *
 266      * @return A shared reactor instance.
 267      */
 268     public static @NonNull CrossSourceStatementReactor defaultReactor() {
 269         return ServiceLoaderState.DefaultReactor.INSTANCE;
 270     }
 271
 272     /**
 273      * Returns a partially-configured {@link CustomCrossSourceStatementReactorBuilder}, with RFC6020/RFC7950
 274      * and OpenConfig semantic version support enabled.
 275      *
 276      * @return A new {@link CustomCrossSourceStatementReactorBuilder}.
 277      */
 278     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder() {
 279         return defaultReactorBuilder(YangParserConfiguration.DEFAULT);
 280     }
 281
 282     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 283             final YangParserConfiguration config) {
 284         return vanillaReactorBuilder(config);
 285     }
 286
 287     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 288             final YangXPathParserFactory xpathFactory) {
 289         return defaultReactorBuilder(xpathFactory, YangParserConfiguration.DEFAULT);
 290     }
 291
 292     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 293             final YangXPathParserFactory xpathFactory, final YangParserConfiguration config) {
 294         return vanillaReactorBuilder(xpathFactory, config);
 295     }
 296
 297     /**
 298      * Returns a pre-built {@link CrossSourceStatementReactor} supporting both RFC6020 and RFC7950. This is useful
 299      * for parsing vanilla YANG models without any semantic support for extensions. Notably missing is the semantic
 300      * version extension, hence attempts to use semantic version mode will cause failures.
 301      *
 302      * @return A shared reactor instance.
 303      */
 304     public static @NonNull CrossSourceStatementReactor vanillaReactor() {
 305         return ServiceLoaderState.VanillaReactor.INSTANCE;
 306     }
 307
 308     /**
 309      * Returns a partially-configured {@link CustomCrossSourceStatementReactorBuilder}, with vanilla RFC6020/RFC7950
 310      * support enabled.
 311      *
 312      * @return A new {@link CustomCrossSourceStatementReactorBuilder}.
 313      */
 314     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder() {
 315         return vanillaReactorBuilder(YangParserConfiguration.DEFAULT);
 316     }
 317
 318     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 319             final YangParserConfiguration config) {
 320         return vanillaReactorBuilder(ServiceLoaderState.XPath.INSTANCE, config);
 321     }
 322
 323     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 324             final @NonNull YangXPathParserFactory xpathFactory) {
 325         return vanillaReactorBuilder(xpathFactory, YangParserConfiguration.DEFAULT);
 326     }
 327
 328     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 329             final @NonNull YangXPathParserFactory xpathFactory, final YangParserConfiguration config) {
 330         return vanillaReactorBuilder(new XPathSupport(xpathFactory), config);
 331     }
 332
 333     private static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 334             final @NonNull XPathSupport xpathSupport, final YangParserConfiguration config) {
 335         final StatementSupportBundle preLinkageBundle = preLinkageBundle(config);
 336         final StatementSupportBundle linkageBundle = linkageBundle(preLinkageBundle, config);
 337         final StatementSupportBundle stmtDefBundle = stmtDefBundle(linkageBundle, config);
 338         final StatementSupportBundle fullDeclarationBundle =
 339             fullDeclarationBundle(stmtDefBundle, xpathSupport, config);
 340
 341         return new CustomCrossSourceStatementReactorBuilder(SUPPORTED_VERSIONS)
 342                 .addAllSupports(ModelProcessingPhase.INIT, INIT_BUNDLE)
 343                 .addAllSupports(ModelProcessingPhase.SOURCE_PRE_LINKAGE, preLinkageBundle)
 344                 .addAllSupports(ModelProcessingPhase.SOURCE_LINKAGE, linkageBundle)
 345                 .addAllSupports(ModelProcessingPhase.STATEMENT_DEFINITION, stmtDefBundle)
 346                 .addAllSupports(ModelProcessingPhase.FULL_DECLARATION, fullDeclarationBundle)
 347                 .addAllSupports(ModelProcessingPhase.EFFECTIVE_MODEL, fullDeclarationBundle)
 348                 .addValidationBundle(ValidationBundleType.SUPPORTED_REFINE_SUBSTATEMENTS,
 349                     YangValidationBundles.SUPPORTED_REFINE_SUBSTATEMENTS)
 350                 .addValidationBundle(ValidationBundleType.SUPPORTED_AUGMENT_TARGETS,
 351                     YangValidationBundles.SUPPORTED_AUGMENT_TARGETS)
 352
 353                 // FIXME: 7.0.0: we do not seem to need this validation bundle
 354                 .addValidationBundle(ValidationBundleType.SUPPORTED_CASE_SHORTHANDS,
 355                     YangValidationBundles.SUPPORTED_CASE_SHORTHANDS)
 356
 357                 .addValidationBundle(ValidationBundleType.SUPPORTED_DATA_NODES,
 358                     YangValidationBundles.SUPPORTED_DATA_NODES);
 359     }
 360
 361     private static @NonNull StatementSupportBundle fullDeclarationBundle(final StatementSupportBundle stmtDefBundle,
 362             final XPathSupport xpathSupport, final YangParserConfiguration config) {
 363         return StatementSupportBundle.derivedFrom(stmtDefBundle)
 364             .addSupport(new LeafStatementSupport(config))
 365             .addSupport(new ConfigStatementSupport(config))
 366             .addSupport(new DeviationStatementSupport(config))
 367             .addVersionSpecificSupport(VERSION_1, new DeviateStatementRFC6020Support(config))
 368             .addVersionSpecificSupport(VERSION_1_1, new DeviateStatementRFC7950Support(config))
 369             .addVersionSpecificSupport(VERSION_1, ChoiceStatementSupport.rfc6020Instance(config))
 370             .addVersionSpecificSupport(VERSION_1_1, ChoiceStatementSupport.rfc7950Instance(config))
 371             .addVersionSpecificSupport(VERSION_1, CaseStatementSupport.rfc6020Instance(config))
 372             .addVersionSpecificSupport(VERSION_1_1, CaseStatementSupport.rfc7950Instance(config))
 373             .addSupport(new MustStatementSupport(xpathSupport, config))
 374             .addSupport(new MandatoryStatementSupport(config))
 375             .addSupport(new AnyxmlStatementSupport(config))
 376             .addVersionSpecificSupport(VERSION_1_1, new AnydataStatementSupport(config))
 377             .addSupport(FeatureNamespace.BEHAVIOUR)
 378             .addVersionSpecificSupport(VERSION_1, new IfFeatureStatementRFC6020Support(config))
 379             .addVersionSpecificSupport(VERSION_1_1, new IfFeatureStatementRFC7950Support(config))
 380             .addSupport(GroupingNamespace.BEHAVIOUR)
 381             .addSupport(SourceGroupingNamespace.BEHAVIOUR)
 382             .addSupport(new UsesStatementSupport(config))
 383             .addSupport(new ErrorMessageStatementSupport(config))
 384             .addSupport(new ErrorAppTagStatementSupport(config))
 385             .addVersionSpecificSupport(VERSION_1, LeafListStatementSupport.rfc6020Instance(config))
 386             .addVersionSpecificSupport(VERSION_1_1, LeafListStatementSupport.rfc7950Instance(config))
 387             .addSupport(new PresenceStatementSupport(config))
 388             .addSupport(new MaxElementsStatementSupport(config))
 389             .addSupport(new MinElementsStatementSupport(config))
 390             .addSupport(new OrderedByStatementSupport(config))
 391             .addSupport(new WhenStatementSupport(xpathSupport, config))
 392             .addSupport(AugmentImplicitHandlingNamespace.BEHAVIOUR)
 393             .addVersionSpecificSupport(VERSION_1, new AugmentStatementRFC6020Support(config))
 394             .addVersionSpecificSupport(VERSION_1_1, new AugmentStatementRFC7950Support(config))
 395             .addSupport(RefineTargetNamespace.BEHAVIOUR)
 396             .addVersionSpecificSupport(VERSION_1, RefineStatementSupport.rfc6020Instance(config))
 397             .addVersionSpecificSupport(VERSION_1_1, RefineStatementSupport.rfc7950Instance(config))
 398             .addSupport(new FeatureStatementSupport(config))
 399             .addSupport(new PositionStatementSupport(config))
 400             .addSupport(new ValueStatementSupport(config))
 401             .addSupport(YangNamespaceContextNamespace.BEHAVIOUR)
 402             .build();
 403     }
 404 }