parser/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/AbstractTypeStatementSupport.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.stmt.type;
   9
  10 import static com.google.common.base.Verify.verifyNotNull;
  11
  12 import com.google.common.collect.ImmutableList;
  13 import com.google.common.collect.ImmutableMap;
  14 import java.util.Collection;
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.opendaylight.yangtools.yang.common.Decimal64;
  17 import org.opendaylight.yangtools.yang.common.Empty;
  18 import org.opendaylight.yangtools.yang.common.QName;
  19 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  20 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  21 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
  22 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  23 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.BitEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.EnumEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.FractionDigitsEffectiveStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.LengthEffectiveStatement;
  28 import org.opendaylight.yangtools.yang.model.api.stmt.PatternEffectiveStatement;
  29 import org.opendaylight.yangtools.yang.model.api.stmt.RangeEffectiveStatement;
  30 import org.opendaylight.yangtools.yang.model.api.stmt.RequireInstanceEffectiveStatement;
  31 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  32 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  33 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
  34 import org.opendaylight.yangtools.yang.model.api.type.BinaryTypeDefinition;
  35 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
  36 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
  37 import org.opendaylight.yangtools.yang.model.api.type.BooleanTypeDefinition;
  38 import org.opendaylight.yangtools.yang.model.api.type.DecimalTypeDefinition;
  39 import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
  40 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
  41 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
  42 import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
  43 import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
  44 import org.opendaylight.yangtools.yang.model.api.type.Int16TypeDefinition;
  45 import org.opendaylight.yangtools.yang.model.api.type.Int32TypeDefinition;
  46 import org.opendaylight.yangtools.yang.model.api.type.Int64TypeDefinition;
  47 import org.opendaylight.yangtools.yang.model.api.type.Int8TypeDefinition;
  48 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  49 import org.opendaylight.yangtools.yang.model.api.type.RangeRestrictedTypeDefinition;
  50 import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
  51 import org.opendaylight.yangtools.yang.model.api.type.TypeDefinitions;
  52 import org.opendaylight.yangtools.yang.model.api.type.Uint16TypeDefinition;
  53 import org.opendaylight.yangtools.yang.model.api.type.Uint32TypeDefinition;
  54 import org.opendaylight.yangtools.yang.model.api.type.Uint64TypeDefinition;
  55 import org.opendaylight.yangtools.yang.model.api.type.Uint8TypeDefinition;
  56 import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
  57 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
  58 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  59 import org.opendaylight.yangtools.yang.model.ri.type.BitsTypeBuilder;
  60 import org.opendaylight.yangtools.yang.model.ri.type.EnumerationTypeBuilder;
  61 import org.opendaylight.yangtools.yang.model.ri.type.InstanceIdentifierTypeBuilder;
  62 import org.opendaylight.yangtools.yang.model.ri.type.InvalidLengthConstraintException;
  63 import org.opendaylight.yangtools.yang.model.ri.type.InvalidRangeConstraintException;
  64 import org.opendaylight.yangtools.yang.model.ri.type.LengthRestrictedTypeBuilder;
  65 import org.opendaylight.yangtools.yang.model.ri.type.RangeRestrictedTypeBuilder;
  66 import org.opendaylight.yangtools.yang.model.ri.type.RequireInstanceRestrictedTypeBuilder;
  67 import org.opendaylight.yangtools.yang.model.ri.type.RestrictedTypes;
  68 import org.opendaylight.yangtools.yang.model.ri.type.StringTypeBuilder;
  69 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
  70 import org.opendaylight.yangtools.yang.parser.spi.TypeNamespace;
  71 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
  72 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx;
  73 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  74 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
  75 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
  76 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
  77 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
  78 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
  79 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
  80 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
  81 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  82 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  83 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  84 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  85
  86 abstract class AbstractTypeStatementSupport extends AbstractTypeSupport<TypeStatement> {
  87     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
  88         SubstatementValidator.builder(YangStmtMapping.TYPE)
  89             .addOptional(YangStmtMapping.BASE)
  90             .addAny(YangStmtMapping.BIT)
  91             .addAny(YangStmtMapping.ENUM)
  92             .addOptional(YangStmtMapping.FRACTION_DIGITS)
  93             .addOptional(YangStmtMapping.LENGTH)
  94             .addOptional(YangStmtMapping.PATH)
  95             .addAny(YangStmtMapping.PATTERN)
  96             .addOptional(YangStmtMapping.RANGE)
  97             .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  98             .addAny(YangStmtMapping.TYPE)
  99             .build();
 100
 101     private static final ImmutableMap<String, BuiltinEffectiveStatement> STATIC_BUILT_IN_TYPES =
 102         ImmutableMap.<String, BuiltinEffectiveStatement>builder()
 103             .put(TypeDefinitions.BINARY.getLocalName(), BuiltinEffectiveStatement.BINARY)
 104             .put(TypeDefinitions.BOOLEAN.getLocalName(), BuiltinEffectiveStatement.BOOLEAN)
 105             .put(TypeDefinitions.EMPTY.getLocalName(), BuiltinEffectiveStatement.EMPTY)
 106             // FIXME: this overlaps with DYNAMIC_BUILT_IN_TYPES. One of these is not needed, but we need to decide
 107             //        what to do. I think we should gradually use per-statement validators, hence go towards dynamic?
 108             .put(TypeDefinitions.INSTANCE_IDENTIFIER.getLocalName(), BuiltinEffectiveStatement.INSTANCE_IDENTIFIER)
 109             .put(TypeDefinitions.INT8.getLocalName(), BuiltinEffectiveStatement.INT8)
 110             .put(TypeDefinitions.INT16.getLocalName(), BuiltinEffectiveStatement.INT16)
 111             .put(TypeDefinitions.INT32.getLocalName(), BuiltinEffectiveStatement.INT32)
 112             .put(TypeDefinitions.INT64.getLocalName(), BuiltinEffectiveStatement.INT64)
 113             .put(TypeDefinitions.STRING.getLocalName(), BuiltinEffectiveStatement.STRING)
 114             .put(TypeDefinitions.UINT8.getLocalName(), BuiltinEffectiveStatement.UINT8)
 115             .put(TypeDefinitions.UINT16.getLocalName(), BuiltinEffectiveStatement.UINT16)
 116             .put(TypeDefinitions.UINT32.getLocalName(), BuiltinEffectiveStatement.UINT32)
 117             .put(TypeDefinitions.UINT64.getLocalName(), BuiltinEffectiveStatement.UINT64)
 118             .build();
 119
 120     private final ImmutableMap<String, StatementSupport<?, ?, ?>> dynamicBuiltInTypes;
 121
 122     AbstractTypeStatementSupport(final YangParserConfiguration config) {
 123         super(config, SUBSTATEMENT_VALIDATOR);
 124         dynamicBuiltInTypes = ImmutableMap.<String, StatementSupport<?, ?, ?>>builder()
 125             .put(TypeDefinitions.BITS.getLocalName(), new BitsSpecificationSupport(config))
 126             .put(TypeDefinitions.DECIMAL64.getLocalName(), new Decimal64SpecificationSupport(config))
 127             .put(TypeDefinitions.ENUMERATION.getLocalName(), new EnumSpecificationSupport(config))
 128             .put(TypeDefinitions.IDENTITYREF.getLocalName(), IdentityRefSpecificationSupport.rfc6020Instance(config))
 129             .put(TypeDefinitions.INSTANCE_IDENTIFIER.getLocalName(), new InstanceIdentifierSpecificationSupport(config))
 130             .put(TypeDefinitions.LEAFREF.getLocalName(), LeafrefSpecificationSupport.rfc6020Instance(config))
 131             .put(TypeDefinitions.UNION.getLocalName(), new UnionSpecificationSupport(config))
 132             .build();
 133     }
 134
 135     @Override
 136     public final void onFullDefinitionDeclared(
 137             final Mutable<QName, TypeStatement, EffectiveStatement<QName, TypeStatement>> stmt) {
 138         super.onFullDefinitionDeclared(stmt);
 139
 140         final BuiltinEffectiveStatement builtin = STATIC_BUILT_IN_TYPES.get(stmt.getRawArgument());
 141         if (builtin != null) {
 142             stmt.addToNs(BaseTypeNamespace.class, Empty.value(), builtin);
 143             return;
 144         }
 145
 146         final QName typeQName = stmt.getArgument();
 147         final ModelActionBuilder typeAction = stmt.newInferenceAction(ModelProcessingPhase.EFFECTIVE_MODEL);
 148         final Prerequisite<StmtContext<?, ?, ?>> typePrereq = typeAction.requiresCtx(stmt, TypeNamespace.class,
 149                 typeQName, ModelProcessingPhase.EFFECTIVE_MODEL);
 150         typeAction.mutatesEffectiveCtx(stmt.getParentContext());
 151
 152         /*
 153          * If the type does not exist, throw an InferenceException.
 154          * If the type exists, store a reference to it in BaseTypeNamespace.
 155          */
 156         typeAction.apply(new InferenceAction() {
 157             @Override
 158             public void apply(final InferenceContext ctx) {
 159                 // Note: do not attempt to call buildEffective() here
 160                 stmt.addToNs(BaseTypeNamespace.class, Empty.value(), typePrereq.resolve(ctx));
 161             }
 162
 163             @Override
 164             public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
 165                 InferenceException.throwIf(failed.contains(typePrereq), stmt, "Type [%s] was not found.", typeQName);
 166             }
 167         });
 168     }
 169
 170     @Override
 171     public boolean hasArgumentSpecificSupports() {
 172         return !dynamicBuiltInTypes.isEmpty();
 173     }
 174
 175     @Override
 176     public StatementSupport<?, ?, ?> getSupportSpecificForArgument(final String argument) {
 177         return dynamicBuiltInTypes.get(argument);
 178     }
 179
 180     @Override
 181     protected final TypeStatement createDeclared(final BoundStmtCtx<QName> ctx,
 182             final ImmutableList<DeclaredStatement<?>> substatements) {
 183         if (substatements.isEmpty()) {
 184             final TypeStatement builtin = BuiltinTypeStatement.lookup(ctx.getRawArgument());
 185             if (builtin != null) {
 186                 return builtin;
 187             }
 188         }
 189         return DeclaredStatements.createType(ctx.getRawArgument(), ctx.getArgument(), substatements);
 190     }
 191
 192     @Override
 193     protected final TypeStatement attachDeclarationReference(final TypeStatement stmt,
 194             final DeclarationReference reference) {
 195         return DeclaredStatementDecorators.decorateType(stmt, reference);
 196     }
 197
 198     @Override
 199     protected EffectiveStatement<QName, TypeStatement> createEffective(final Current<QName, TypeStatement> stmt,
 200             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 201         // First look up the proper base type
 202         final TypeEffectiveStatement<TypeStatement> typeStmt = resolveType(stmt);
 203         if (substatements.isEmpty()) {
 204             return typeStmt;
 205         }
 206
 207         // Now instantiate the proper effective statement for that type
 208         final TypeDefinition<?> baseType = typeStmt.getTypeDefinition();
 209         final TypeStatement declared = stmt.declared();
 210         if (baseType instanceof BinaryTypeDefinition) {
 211             return createBinary(stmt, (BinaryTypeDefinition) baseType, declared, substatements);
 212         } else if (baseType instanceof BitsTypeDefinition) {
 213             return createBits(stmt, (BitsTypeDefinition) baseType, declared, substatements);
 214         } else if (baseType instanceof BooleanTypeDefinition) {
 215             return createBoolean(stmt, (BooleanTypeDefinition) baseType, declared, substatements);
 216         } else if (baseType instanceof DecimalTypeDefinition) {
 217             return createDecimal(stmt, (DecimalTypeDefinition) baseType, declared, substatements);
 218         } else if (baseType instanceof EmptyTypeDefinition) {
 219             return createEmpty(stmt, (EmptyTypeDefinition) baseType, declared, substatements);
 220         } else if (baseType instanceof EnumTypeDefinition) {
 221             return createEnum(stmt, (EnumTypeDefinition) baseType, declared, substatements);
 222         } else if (baseType instanceof IdentityrefTypeDefinition) {
 223             return createIdentityref(stmt, (IdentityrefTypeDefinition) baseType, declared, substatements);
 224         } else if (baseType instanceof InstanceIdentifierTypeDefinition) {
 225             return createInstanceIdentifier(stmt, (InstanceIdentifierTypeDefinition) baseType, declared, substatements);
 226         } else if (baseType instanceof Int8TypeDefinition) {
 227             return createIntegral(stmt, declared, substatements,
 228                 RestrictedTypes.newInt8Builder((Int8TypeDefinition) baseType, typeEffectiveQName(stmt)));
 229         } else if (baseType instanceof Int16TypeDefinition) {
 230             return createIntegral(stmt, declared, substatements,
 231                 RestrictedTypes.newInt16Builder((Int16TypeDefinition) baseType, typeEffectiveQName(stmt)));
 232         } else if (baseType instanceof Int32TypeDefinition) {
 233             return createIntegral(stmt, declared, substatements,
 234                 RestrictedTypes.newInt32Builder((Int32TypeDefinition) baseType, typeEffectiveQName(stmt)));
 235         } else if (baseType instanceof Int64TypeDefinition) {
 236             return createIntegral(stmt, declared, substatements,
 237                 RestrictedTypes.newInt64Builder((Int64TypeDefinition) baseType, typeEffectiveQName(stmt)));
 238         } else if (baseType instanceof LeafrefTypeDefinition) {
 239             return createLeafref(stmt, (LeafrefTypeDefinition) baseType, declared, substatements);
 240         } else if (baseType instanceof StringTypeDefinition) {
 241             return createString(stmt, (StringTypeDefinition) baseType, declared, substatements);
 242         } else if (baseType instanceof Uint8TypeDefinition) {
 243             return createIntegral(stmt, declared, substatements,
 244                 RestrictedTypes.newUint8Builder((Uint8TypeDefinition) baseType, typeEffectiveQName(stmt)));
 245         } else if (baseType instanceof Uint16TypeDefinition) {
 246             return createIntegral(stmt, declared, substatements,
 247                 RestrictedTypes.newUint16Builder((Uint16TypeDefinition) baseType, typeEffectiveQName(stmt)));
 248         } else if (baseType instanceof Uint32TypeDefinition) {
 249             return createIntegral(stmt, declared, substatements,
 250                 RestrictedTypes.newUint32Builder((Uint32TypeDefinition) baseType, typeEffectiveQName(stmt)));
 251         } else if (baseType instanceof Uint64TypeDefinition) {
 252             return createIntegral(stmt, declared, substatements,
 253                 RestrictedTypes.newUint64Builder((Uint64TypeDefinition) baseType, typeEffectiveQName(stmt)));
 254         } else if (baseType instanceof UnionTypeDefinition) {
 255             return createUnion(stmt, (UnionTypeDefinition) baseType, declared, substatements);
 256         } else {
 257             throw new IllegalStateException("Unhandled base type " + baseType);
 258         }
 259     }
 260
 261     // FIXME: YANGTOOLS-1208: this needs to happen during onFullDefinitionDeclared() and stored (again) in a namespace
 262     static final @NonNull QName typeEffectiveQName(final Current<QName, ?> stmt) {
 263         return stmt.getArgument().bindTo(stmt.getEffectiveParent().effectiveNamespace()).intern();
 264     }
 265
 266     /**
 267      * Resolve type reference, as pointed to by the context's argument.
 268      *
 269      * @param ctx Statement context
 270      * @return Resolved type
 271      * @throws SourceException if the target type cannot be found
 272      */
 273     private static @NonNull TypeEffectiveStatement<TypeStatement> resolveType(final Current<QName, ?> ctx) {
 274         final Object obj = verifyNotNull(ctx.namespaceItem(BaseTypeNamespace.class, Empty.value()));
 275         if (obj instanceof BuiltinEffectiveStatement) {
 276             return (BuiltinEffectiveStatement) obj;
 277         } else if (obj instanceof StmtContext) {
 278             return ((TypedefEffectiveStatement) ((StmtContext<?, ?, ?>) obj).buildEffective())
 279                 .asTypeEffectiveStatement();
 280         } else {
 281             throw new InferenceException(ctx, "Unexpected base object %s", obj);
 282         }
 283     }
 284
 285     private static @NonNull TypeEffectiveStatement<TypeStatement> createBinary(final Current<QName, ?> ctx,
 286             final BinaryTypeDefinition baseType, final TypeStatement declared,
 287             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 288         final LengthRestrictedTypeBuilder<BinaryTypeDefinition> builder =
 289                 RestrictedTypes.newBinaryBuilder(baseType, typeEffectiveQName(ctx));
 290
 291         for (EffectiveStatement<?, ?> stmt : substatements) {
 292             if (stmt instanceof LengthEffectiveStatement) {
 293                 final LengthEffectiveStatement length = (LengthEffectiveStatement)stmt;
 294
 295                 try {
 296                     builder.setLengthConstraint(length, length.argument());
 297                 } catch (IllegalStateException e) {
 298                     throw new SourceException(ctx, e, "Multiple length constraints encountered");
 299                 } catch (InvalidLengthConstraintException e) {
 300                     throw new SourceException(ctx, e, "Invalid length constraint %s", length.argument());
 301                 }
 302             }
 303         }
 304
 305         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 306     }
 307
 308     private @NonNull TypeEffectiveStatement<TypeStatement> createBits(final Current<?, ?> ctx,
 309             final BitsTypeDefinition baseType, final TypeStatement declared,
 310             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 311         final BitsTypeBuilder builder = RestrictedTypes.newBitsBuilder(baseType, ctx.argumentAsTypeQName());
 312
 313         for (final EffectiveStatement<?, ?> stmt : substatements) {
 314             if (stmt instanceof BitEffectiveStatement) {
 315                 builder.addBit(addRestrictedBit(ctx, baseType, (BitEffectiveStatement) stmt));
 316             }
 317         }
 318
 319         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 320     }
 321
 322     abstract @NonNull Bit addRestrictedBit(@NonNull EffectiveStmtCtx stmt, @NonNull BitsTypeDefinition base,
 323         @NonNull BitEffectiveStatement bit);
 324
 325     private static @NonNull TypeEffectiveStatement<TypeStatement> createBoolean(final Current<QName, ?> ctx,
 326             final BooleanTypeDefinition baseType, final TypeStatement declared,
 327             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 328         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newBooleanBuilder(baseType,
 329             typeEffectiveQName(ctx)));
 330     }
 331
 332     private static @NonNull TypeEffectiveStatement<TypeStatement> createDecimal(final Current<QName, ?> ctx,
 333             final DecimalTypeDefinition baseType, final TypeStatement declared,
 334             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 335         final RangeRestrictedTypeBuilder<DecimalTypeDefinition, Decimal64> builder =
 336                 RestrictedTypes.newDecima64Builder(baseType, typeEffectiveQName(ctx));
 337
 338         for (EffectiveStatement<?, ?> stmt : substatements) {
 339             if (stmt instanceof RangeEffectiveStatement) {
 340                 final RangeEffectiveStatement range = (RangeEffectiveStatement) stmt;
 341                 builder.setRangeConstraint(range, range.argument());
 342             }
 343             if (stmt instanceof FractionDigitsEffectiveStatement) {
 344                 final Integer digits = ((FractionDigitsEffectiveStatement)stmt).argument();
 345                 SourceException.throwIf(baseType.getFractionDigits() != digits, ctx,
 346                     "Cannot override fraction-digits from base type %s to %s", baseType, digits);
 347             }
 348         }
 349
 350         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 351     }
 352
 353     private static @NonNull TypeEffectiveStatement<TypeStatement> createEmpty(final Current<QName, ?> ctx,
 354             final EmptyTypeDefinition baseType, final TypeStatement declared,
 355             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 356         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newEmptyBuilder(baseType,
 357             typeEffectiveQName(ctx)));
 358     }
 359
 360     private @NonNull TypeEffectiveStatement<TypeStatement> createEnum(final Current<?, ?> ctx,
 361             final EnumTypeDefinition baseType, final TypeStatement declared,
 362             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 363         final EnumerationTypeBuilder builder = RestrictedTypes.newEnumerationBuilder(baseType,
 364             ctx.argumentAsTypeQName());
 365
 366         for (final EffectiveStatement<?, ?> stmt : substatements) {
 367             if (stmt instanceof EnumEffectiveStatement) {
 368                 builder.addEnum(addRestrictedEnum(ctx, baseType, (EnumEffectiveStatement) stmt));
 369             }
 370         }
 371
 372         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 373     }
 374
 375     abstract @NonNull EnumPair addRestrictedEnum(@NonNull EffectiveStmtCtx stmt, @NonNull EnumTypeDefinition base,
 376         @NonNull EnumEffectiveStatement enumStmt);
 377
 378     private static @NonNull TypeEffectiveStatement<TypeStatement> createIdentityref(final Current<QName, ?> ctx,
 379             final IdentityrefTypeDefinition baseType, final TypeStatement declared,
 380             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 381         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newIdentityrefBuilder(baseType,
 382             typeEffectiveQName(ctx)));
 383     }
 384
 385     private static @NonNull TypeEffectiveStatement<TypeStatement> createInstanceIdentifier(final Current<QName, ?> ctx,
 386             final InstanceIdentifierTypeDefinition baseType, final TypeStatement declared,
 387             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 388         final InstanceIdentifierTypeBuilder builder = RestrictedTypes.newInstanceIdentifierBuilder(baseType,
 389                     typeEffectiveQName(ctx));
 390
 391         for (EffectiveStatement<?, ?> stmt : substatements) {
 392             if (stmt instanceof RequireInstanceEffectiveStatement) {
 393                 builder.setRequireInstance(((RequireInstanceEffectiveStatement)stmt).argument());
 394             }
 395         }
 396
 397         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 398     }
 399
 400     private static <T extends RangeRestrictedTypeDefinition<T, N>, N extends Number & Comparable<N>>
 401         @NonNull TypeEffectiveStatement<TypeStatement> createIntegral(final Current<?, ?> ctx,
 402                 final TypeStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements,
 403                 final RangeRestrictedTypeBuilder<T, N> builder) {
 404         for (EffectiveStatement<?, ?> stmt : substatements) {
 405             if (stmt instanceof RangeEffectiveStatement) {
 406                 final RangeEffectiveStatement rangeStmt = (RangeEffectiveStatement)stmt;
 407                 builder.setRangeConstraint(rangeStmt, rangeStmt.argument());
 408             }
 409         }
 410
 411         try {
 412             return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 413         } catch (InvalidRangeConstraintException e) {
 414             throw new SourceException(ctx, e, "Invalid range constraint: %s", e.getOffendingRanges());
 415         }
 416     }
 417
 418     private static @NonNull TypeEffectiveStatement<TypeStatement> createLeafref(final Current<QName, ?> ctx,
 419             final LeafrefTypeDefinition baseType, final TypeStatement declared,
 420             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 421         final RequireInstanceRestrictedTypeBuilder<LeafrefTypeDefinition> builder =
 422                 RestrictedTypes.newLeafrefBuilder(baseType, AbstractTypeStatementSupport.typeEffectiveQName(ctx));
 423
 424         for (final EffectiveStatement<?, ?> stmt : substatements) {
 425             if (stmt instanceof RequireInstanceEffectiveStatement) {
 426                 builder.setRequireInstance(((RequireInstanceEffectiveStatement) stmt).argument());
 427             }
 428         }
 429         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 430     }
 431
 432     private static @NonNull TypeEffectiveStatement<TypeStatement> createString(final Current<QName, ?> ctx,
 433             final StringTypeDefinition baseType, final TypeStatement declared,
 434             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 435         final StringTypeBuilder builder = RestrictedTypes.newStringBuilder(baseType,
 436             AbstractTypeStatementSupport.typeEffectiveQName(ctx));
 437
 438         for (EffectiveStatement<?, ?> stmt : substatements) {
 439             if (stmt instanceof LengthEffectiveStatement) {
 440                 final LengthEffectiveStatement length = (LengthEffectiveStatement)stmt;
 441
 442                 try {
 443                     builder.setLengthConstraint(length, length.argument());
 444                 } catch (IllegalStateException e) {
 445                     throw new SourceException(ctx, e, "Multiple length constraints encountered");
 446                 } catch (InvalidLengthConstraintException e) {
 447                     throw new SourceException(ctx, e, "Invalid length constraint %s", length.argument());
 448                 }
 449             }
 450             if (stmt instanceof PatternEffectiveStatement) {
 451                 builder.addPatternConstraint((PatternEffectiveStatement) stmt);
 452             }
 453         }
 454
 455         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 456     }
 457
 458     private static @NonNull TypeEffectiveStatement<TypeStatement> createUnion(final Current<QName, ?> ctx,
 459             final UnionTypeDefinition baseType, final TypeStatement declared,
 460             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 461         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newUnionBuilder(baseType,
 462             typeEffectiveQName(ctx)));
 463     }
 464 }