yang/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.math.BigDecimal;
  15 import java.util.Collection;
  16 import org.eclipse.jdt.annotation.NonNull;
  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.parser.api.YangParserConfiguration;
  58 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
  59 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  60 import org.opendaylight.yangtools.yang.model.ri.type.BitsTypeBuilder;
  61 import org.opendaylight.yangtools.yang.model.ri.type.EnumerationTypeBuilder;
  62 import org.opendaylight.yangtools.yang.model.ri.type.InstanceIdentifierTypeBuilder;
  63 import org.opendaylight.yangtools.yang.model.ri.type.InvalidLengthConstraintException;
  64 import org.opendaylight.yangtools.yang.model.ri.type.InvalidRangeConstraintException;
  65 import org.opendaylight.yangtools.yang.model.ri.type.LengthRestrictedTypeBuilder;
  66 import org.opendaylight.yangtools.yang.model.ri.type.RangeRestrictedTypeBuilder;
  67 import org.opendaylight.yangtools.yang.model.ri.type.RequireInstanceRestrictedTypeBuilder;
  68 import org.opendaylight.yangtools.yang.model.ri.type.RestrictedTypes;
  69 import org.opendaylight.yangtools.yang.model.ri.type.StringTypeBuilder;
  70 import org.opendaylight.yangtools.yang.parser.spi.TypeNamespace;
  71 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx;
  72 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  73 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
  74 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
  75 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
  76 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
  77 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
  78 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
  79 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
  80 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  81 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  82 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  83 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  84
  85 abstract class AbstractTypeStatementSupport extends AbstractTypeSupport<TypeStatement> {
  86     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
  87         SubstatementValidator.builder(YangStmtMapping.TYPE)
  88             .addOptional(YangStmtMapping.BASE)
  89             .addAny(YangStmtMapping.BIT)
  90             .addAny(YangStmtMapping.ENUM)
  91             .addOptional(YangStmtMapping.FRACTION_DIGITS)
  92             .addOptional(YangStmtMapping.LENGTH)
  93             .addOptional(YangStmtMapping.PATH)
  94             .addAny(YangStmtMapping.PATTERN)
  95             .addOptional(YangStmtMapping.RANGE)
  96             .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  97             .addAny(YangStmtMapping.TYPE)
  98             .build();
  99
 100     private static final ImmutableMap<String, BuiltinEffectiveStatement> STATIC_BUILT_IN_TYPES =
 101         ImmutableMap.<String, BuiltinEffectiveStatement>builder()
 102             .put(TypeDefinitions.BINARY.getLocalName(), BuiltinEffectiveStatement.BINARY)
 103             .put(TypeDefinitions.BOOLEAN.getLocalName(), BuiltinEffectiveStatement.BOOLEAN)
 104             .put(TypeDefinitions.EMPTY.getLocalName(), BuiltinEffectiveStatement.EMPTY)
 105             // FIXME: this overlaps with DYNAMIC_BUILT_IN_TYPES. One of these is not needed, but we need to decide
 106             //        what to do. I think we should gradually use per-statement validators, hence go towards dynamic?
 107             .put(TypeDefinitions.INSTANCE_IDENTIFIER.getLocalName(), BuiltinEffectiveStatement.INSTANCE_IDENTIFIER)
 108             .put(TypeDefinitions.INT8.getLocalName(), BuiltinEffectiveStatement.INT8)
 109             .put(TypeDefinitions.INT16.getLocalName(), BuiltinEffectiveStatement.INT16)
 110             .put(TypeDefinitions.INT32.getLocalName(), BuiltinEffectiveStatement.INT32)
 111             .put(TypeDefinitions.INT64.getLocalName(), BuiltinEffectiveStatement.INT64)
 112             .put(TypeDefinitions.STRING.getLocalName(), BuiltinEffectiveStatement.STRING)
 113             .put(TypeDefinitions.UINT8.getLocalName(), BuiltinEffectiveStatement.UINT8)
 114             .put(TypeDefinitions.UINT16.getLocalName(), BuiltinEffectiveStatement.UINT16)
 115             .put(TypeDefinitions.UINT32.getLocalName(), BuiltinEffectiveStatement.UINT32)
 116             .put(TypeDefinitions.UINT64.getLocalName(), BuiltinEffectiveStatement.UINT64)
 117             .build();
 118
 119     private final ImmutableMap<String, StatementSupport<?, ?, ?>> dynamicBuiltInTypes;
 120
 121     AbstractTypeStatementSupport(final YangParserConfiguration config) {
 122         super(config);
 123         dynamicBuiltInTypes = ImmutableMap.<String, StatementSupport<?, ?, ?>>builder()
 124             .put(TypeDefinitions.BITS.getLocalName(), new BitsSpecificationSupport(config))
 125             .put(TypeDefinitions.DECIMAL64.getLocalName(), new Decimal64SpecificationSupport(config))
 126             .put(TypeDefinitions.ENUMERATION.getLocalName(), new EnumSpecificationSupport(config))
 127             .put(TypeDefinitions.IDENTITYREF.getLocalName(), new IdentityRefSpecificationRFC6020Support(config))
 128             .put(TypeDefinitions.INSTANCE_IDENTIFIER.getLocalName(), new InstanceIdentifierSpecificationSupport(config))
 129             .put(TypeDefinitions.LEAFREF.getLocalName(), new LeafrefSpecificationRFC6020Support(config))
 130             .put(TypeDefinitions.UNION.getLocalName(), new UnionSpecificationSupport(config))
 131             .build();
 132     }
 133
 134     @Override
 135     public final void onFullDefinitionDeclared(
 136             final Mutable<QName, TypeStatement, EffectiveStatement<QName, TypeStatement>> stmt) {
 137         super.onFullDefinitionDeclared(stmt);
 138
 139         final BuiltinEffectiveStatement builtin = STATIC_BUILT_IN_TYPES.get(stmt.getRawArgument());
 140         if (builtin != null) {
 141             stmt.addToNs(BaseTypeNamespace.class, Empty.getInstance(), builtin);
 142             return;
 143         }
 144
 145         final QName typeQName = stmt.getArgument();
 146         final ModelActionBuilder typeAction = stmt.newInferenceAction(ModelProcessingPhase.EFFECTIVE_MODEL);
 147         final Prerequisite<StmtContext<?, ?, ?>> typePrereq = typeAction.requiresCtx(stmt, TypeNamespace.class,
 148                 typeQName, ModelProcessingPhase.EFFECTIVE_MODEL);
 149         typeAction.mutatesEffectiveCtx(stmt.getParentContext());
 150
 151         /*
 152          * If the type does not exist, throw an InferenceException.
 153          * If the type exists, store a reference to it in BaseTypeNamespace.
 154          */
 155         typeAction.apply(new InferenceAction() {
 156             @Override
 157             public void apply(final InferenceContext ctx) {
 158                 // Note: do not attempt to call buildEffective() here
 159                 stmt.addToNs(BaseTypeNamespace.class, Empty.getInstance(), typePrereq.resolve(ctx));
 160             }
 161
 162             @Override
 163             public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
 164                 InferenceException.throwIf(failed.contains(typePrereq), stmt, "Type [%s] was not found.", typeQName);
 165             }
 166         });
 167     }
 168
 169     @Override
 170     public boolean hasArgumentSpecificSupports() {
 171         return !dynamicBuiltInTypes.isEmpty();
 172     }
 173
 174     @Override
 175     public StatementSupport<?, ?, ?> getSupportSpecificForArgument(final String argument) {
 176         return dynamicBuiltInTypes.get(argument);
 177     }
 178
 179     @Override
 180     protected final SubstatementValidator getSubstatementValidator() {
 181         return SUBSTATEMENT_VALIDATOR;
 182     }
 183
 184     @Override
 185     protected final TypeStatement createDeclared(final StmtContext<QName, TypeStatement, ?> ctx,
 186             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
 187         if (substatements.isEmpty()) {
 188             final TypeStatement builtin = BuiltinTypeStatement.lookup(ctx.getRawArgument());
 189             if (builtin != null) {
 190                 return builtin;
 191             }
 192         }
 193         return DeclaredStatements.createType(ctx.getRawArgument(), ctx.getArgument(), substatements);
 194     }
 195
 196     @Override
 197     protected final TypeStatement attachDeclarationReference(final TypeStatement stmt,
 198             final DeclarationReference reference) {
 199         return DeclaredStatementDecorators.decorateType(stmt, reference);
 200     }
 201
 202     @Override
 203     protected EffectiveStatement<QName, TypeStatement> createEffective(final Current<QName, TypeStatement> stmt,
 204             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 205         // First look up the proper base type
 206         final TypeEffectiveStatement<TypeStatement> typeStmt = resolveType(stmt);
 207         if (substatements.isEmpty()) {
 208             return typeStmt;
 209         }
 210
 211         // Now instantiate the proper effective statement for that type
 212         final TypeDefinition<?> baseType = typeStmt.getTypeDefinition();
 213         final TypeStatement declared = stmt.declared();
 214         if (baseType instanceof BinaryTypeDefinition) {
 215             return createBinary(stmt, (BinaryTypeDefinition) baseType, declared, substatements);
 216         } else if (baseType instanceof BitsTypeDefinition) {
 217             return createBits(stmt, (BitsTypeDefinition) baseType, declared, substatements);
 218         } else if (baseType instanceof BooleanTypeDefinition) {
 219             return createBoolean(stmt, (BooleanTypeDefinition) baseType, declared, substatements);
 220         } else if (baseType instanceof DecimalTypeDefinition) {
 221             return createDecimal(stmt, (DecimalTypeDefinition) baseType, declared, substatements);
 222         } else if (baseType instanceof EmptyTypeDefinition) {
 223             return createEmpty(stmt, (EmptyTypeDefinition) baseType, declared, substatements);
 224         } else if (baseType instanceof EnumTypeDefinition) {
 225             return createEnum(stmt, (EnumTypeDefinition) baseType, declared, substatements);
 226         } else if (baseType instanceof IdentityrefTypeDefinition) {
 227             return createIdentityref(stmt, (IdentityrefTypeDefinition) baseType, declared, substatements);
 228         } else if (baseType instanceof InstanceIdentifierTypeDefinition) {
 229             return createInstanceIdentifier(stmt, (InstanceIdentifierTypeDefinition) baseType, declared, substatements);
 230         } else if (baseType instanceof Int8TypeDefinition) {
 231             return createIntegral(stmt, declared, substatements,
 232                 RestrictedTypes.newInt8Builder((Int8TypeDefinition) baseType, typeEffectiveQName(stmt)));
 233         } else if (baseType instanceof Int16TypeDefinition) {
 234             return createIntegral(stmt, declared, substatements,
 235                 RestrictedTypes.newInt16Builder((Int16TypeDefinition) baseType, typeEffectiveQName(stmt)));
 236         } else if (baseType instanceof Int32TypeDefinition) {
 237             return createIntegral(stmt, declared, substatements,
 238                 RestrictedTypes.newInt32Builder((Int32TypeDefinition) baseType, typeEffectiveQName(stmt)));
 239         } else if (baseType instanceof Int64TypeDefinition) {
 240             return createIntegral(stmt, declared, substatements,
 241                 RestrictedTypes.newInt64Builder((Int64TypeDefinition) baseType, typeEffectiveQName(stmt)));
 242         } else if (baseType instanceof LeafrefTypeDefinition) {
 243             return createLeafref(stmt, (LeafrefTypeDefinition) baseType, declared, substatements);
 244         } else if (baseType instanceof StringTypeDefinition) {
 245             return createString(stmt, (StringTypeDefinition) baseType, declared, substatements);
 246         } else if (baseType instanceof Uint8TypeDefinition) {
 247             return createIntegral(stmt, declared, substatements,
 248                 RestrictedTypes.newUint8Builder((Uint8TypeDefinition) baseType, typeEffectiveQName(stmt)));
 249         } else if (baseType instanceof Uint16TypeDefinition) {
 250             return createIntegral(stmt, declared, substatements,
 251                 RestrictedTypes.newUint16Builder((Uint16TypeDefinition) baseType, typeEffectiveQName(stmt)));
 252         } else if (baseType instanceof Uint32TypeDefinition) {
 253             return createIntegral(stmt, declared, substatements,
 254                 RestrictedTypes.newUint32Builder((Uint32TypeDefinition) baseType, typeEffectiveQName(stmt)));
 255         } else if (baseType instanceof Uint64TypeDefinition) {
 256             return createIntegral(stmt, declared, substatements,
 257                 RestrictedTypes.newUint64Builder((Uint64TypeDefinition) baseType, typeEffectiveQName(stmt)));
 258         } else if (baseType instanceof UnionTypeDefinition) {
 259             return createUnion(stmt, (UnionTypeDefinition) baseType, declared, substatements);
 260         } else {
 261             throw new IllegalStateException("Unhandled base type " + baseType);
 262         }
 263     }
 264
 265     // FIXME: YANGTOOLS-1208: this needs to happen during onFullDefinitionDeclared() and stored (again) in a namespace
 266     static final @NonNull QName typeEffectiveQName(final Current<QName, ?> stmt) {
 267         return stmt.getArgument().bindTo(stmt.getEffectiveParent().effectiveNamespace()).intern();
 268     }
 269
 270     /**
 271      * Resolve type reference, as pointed to by the context's argument.
 272      *
 273      * @param ctx Statement context
 274      * @return Resolved type
 275      * @throws SourceException if the target type cannot be found
 276      */
 277     private static @NonNull TypeEffectiveStatement<TypeStatement> resolveType(final Current<QName, ?> ctx) {
 278         final Object obj = verifyNotNull(ctx.namespaceItem(BaseTypeNamespace.class, Empty.getInstance()));
 279         if (obj instanceof BuiltinEffectiveStatement) {
 280             return (BuiltinEffectiveStatement) obj;
 281         } else if (obj instanceof StmtContext) {
 282             return ((TypedefEffectiveStatement) ((StmtContext<?, ?, ?>) obj).buildEffective())
 283                 .asTypeEffectiveStatement();
 284         } else {
 285             throw new InferenceException(ctx, "Unexpected base object %s", obj);
 286         }
 287     }
 288
 289     private static @NonNull TypeEffectiveStatement<TypeStatement> createBinary(final Current<QName, ?> ctx,
 290             final BinaryTypeDefinition baseType, final TypeStatement declared,
 291             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 292         final LengthRestrictedTypeBuilder<BinaryTypeDefinition> builder =
 293                 RestrictedTypes.newBinaryBuilder(baseType, typeEffectiveQName(ctx));
 294
 295         for (EffectiveStatement<?, ?> stmt : substatements) {
 296             if (stmt instanceof LengthEffectiveStatement) {
 297                 final LengthEffectiveStatement length = (LengthEffectiveStatement)stmt;
 298
 299                 try {
 300                     builder.setLengthConstraint(length, length.argument());
 301                 } catch (IllegalStateException e) {
 302                     throw new SourceException(ctx, e, "Multiple length constraints encountered");
 303                 } catch (InvalidLengthConstraintException e) {
 304                     throw new SourceException(ctx, e, "Invalid length constraint %s", length.argument());
 305                 }
 306             }
 307         }
 308
 309         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 310     }
 311
 312     private @NonNull TypeEffectiveStatement<TypeStatement> createBits(final Current<?, ?> ctx,
 313             final BitsTypeDefinition baseType, final TypeStatement declared,
 314             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 315         final BitsTypeBuilder builder = RestrictedTypes.newBitsBuilder(baseType, ctx.argumentAsTypeQName());
 316
 317         for (final EffectiveStatement<?, ?> stmt : substatements) {
 318             if (stmt instanceof BitEffectiveStatement) {
 319                 builder.addBit(addRestrictedBit(ctx, baseType, (BitEffectiveStatement) stmt));
 320             }
 321         }
 322
 323         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 324     }
 325
 326     abstract @NonNull Bit addRestrictedBit(@NonNull EffectiveStmtCtx stmt, @NonNull BitsTypeDefinition base,
 327         @NonNull BitEffectiveStatement bit);
 328
 329     private static @NonNull TypeEffectiveStatement<TypeStatement> createBoolean(final Current<QName, ?> ctx,
 330             final BooleanTypeDefinition baseType, final TypeStatement declared,
 331             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 332         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newBooleanBuilder(baseType,
 333             typeEffectiveQName(ctx)));
 334     }
 335
 336     private static @NonNull TypeEffectiveStatement<TypeStatement> createDecimal(final Current<QName, ?> ctx,
 337             final DecimalTypeDefinition baseType, final TypeStatement declared,
 338             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 339         final RangeRestrictedTypeBuilder<DecimalTypeDefinition, BigDecimal> builder =
 340                 RestrictedTypes.newDecima64Builder(baseType, typeEffectiveQName(ctx));
 341
 342         for (EffectiveStatement<?, ?> stmt : substatements) {
 343             if (stmt instanceof RangeEffectiveStatement) {
 344                 final RangeEffectiveStatement range = (RangeEffectiveStatement) stmt;
 345                 builder.setRangeConstraint(range, range.argument());
 346             }
 347             if (stmt instanceof FractionDigitsEffectiveStatement) {
 348                 final Integer digits = ((FractionDigitsEffectiveStatement)stmt).argument();
 349                 SourceException.throwIf(baseType.getFractionDigits() != digits, ctx,
 350                     "Cannot override fraction-digits from base type %s to %s", baseType, digits);
 351             }
 352         }
 353
 354         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 355     }
 356
 357     private static @NonNull TypeEffectiveStatement<TypeStatement> createEmpty(final Current<QName, ?> ctx,
 358             final EmptyTypeDefinition baseType, final TypeStatement declared,
 359             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 360         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newEmptyBuilder(baseType,
 361             typeEffectiveQName(ctx)));
 362     }
 363
 364     private @NonNull TypeEffectiveStatement<TypeStatement> createEnum(final Current<?, ?> ctx,
 365             final EnumTypeDefinition baseType, final TypeStatement declared,
 366             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 367         final EnumerationTypeBuilder builder = RestrictedTypes.newEnumerationBuilder(baseType,
 368             ctx.argumentAsTypeQName());
 369
 370         for (final EffectiveStatement<?, ?> stmt : substatements) {
 371             if (stmt instanceof EnumEffectiveStatement) {
 372                 builder.addEnum(addRestrictedEnum(ctx, baseType, (EnumEffectiveStatement) stmt));
 373             }
 374         }
 375
 376         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 377     }
 378
 379     abstract @NonNull EnumPair addRestrictedEnum(@NonNull EffectiveStmtCtx stmt, @NonNull EnumTypeDefinition base,
 380         @NonNull EnumEffectiveStatement enumStmt);
 381
 382     private static @NonNull TypeEffectiveStatement<TypeStatement> createIdentityref(final Current<QName, ?> ctx,
 383             final IdentityrefTypeDefinition baseType, final TypeStatement declared,
 384             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 385         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newIdentityrefBuilder(baseType,
 386             typeEffectiveQName(ctx)));
 387     }
 388
 389     private static @NonNull TypeEffectiveStatement<TypeStatement> createInstanceIdentifier(final Current<QName, ?> ctx,
 390             final InstanceIdentifierTypeDefinition baseType, final TypeStatement declared,
 391             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 392         final InstanceIdentifierTypeBuilder builder = RestrictedTypes.newInstanceIdentifierBuilder(baseType,
 393                     typeEffectiveQName(ctx));
 394
 395         for (EffectiveStatement<?, ?> stmt : substatements) {
 396             if (stmt instanceof RequireInstanceEffectiveStatement) {
 397                 builder.setRequireInstance(((RequireInstanceEffectiveStatement)stmt).argument());
 398             }
 399         }
 400
 401         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 402     }
 403
 404     private static <T extends RangeRestrictedTypeDefinition<T, N>, N extends Number & Comparable<N>>
 405         @NonNull TypeEffectiveStatement<TypeStatement> createIntegral(final Current<?, ?> ctx,
 406                 final TypeStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements,
 407                 final RangeRestrictedTypeBuilder<T, N> builder) {
 408         for (EffectiveStatement<?, ?> stmt : substatements) {
 409             if (stmt instanceof RangeEffectiveStatement) {
 410                 final RangeEffectiveStatement rangeStmt = (RangeEffectiveStatement)stmt;
 411                 builder.setRangeConstraint(rangeStmt, rangeStmt.argument());
 412             }
 413         }
 414
 415         try {
 416             return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 417         } catch (InvalidRangeConstraintException e) {
 418             throw new SourceException(ctx, e, "Invalid range constraint: %s", e.getOffendingRanges());
 419         }
 420     }
 421
 422     private static @NonNull TypeEffectiveStatement<TypeStatement> createLeafref(final Current<QName, ?> ctx,
 423             final LeafrefTypeDefinition baseType, final TypeStatement declared,
 424             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 425         final RequireInstanceRestrictedTypeBuilder<LeafrefTypeDefinition> builder =
 426                 RestrictedTypes.newLeafrefBuilder(baseType, AbstractTypeStatementSupport.typeEffectiveQName(ctx));
 427
 428         for (final EffectiveStatement<?, ?> stmt : substatements) {
 429             if (stmt instanceof RequireInstanceEffectiveStatement) {
 430                 builder.setRequireInstance(((RequireInstanceEffectiveStatement) stmt).argument());
 431             }
 432         }
 433         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 434     }
 435
 436     private static @NonNull TypeEffectiveStatement<TypeStatement> createString(final Current<QName, ?> ctx,
 437             final StringTypeDefinition baseType, final TypeStatement declared,
 438             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 439         final StringTypeBuilder builder = RestrictedTypes.newStringBuilder(baseType,
 440             AbstractTypeStatementSupport.typeEffectiveQName(ctx));
 441
 442         for (EffectiveStatement<?, ?> stmt : substatements) {
 443             if (stmt instanceof LengthEffectiveStatement) {
 444                 final LengthEffectiveStatement length = (LengthEffectiveStatement)stmt;
 445
 446                 try {
 447                     builder.setLengthConstraint(length, length.argument());
 448                 } catch (IllegalStateException e) {
 449                     throw new SourceException(ctx, e, "Multiple length constraints encountered");
 450                 } catch (InvalidLengthConstraintException e) {
 451                     throw new SourceException(ctx, e, "Invalid length constraint %s", length.argument());
 452                 }
 453             }
 454             if (stmt instanceof PatternEffectiveStatement) {
 455                 builder.addPatternConstraint((PatternEffectiveStatement) stmt);
 456             }
 457         }
 458
 459         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
 460     }
 461
 462     private static @NonNull TypeEffectiveStatement<TypeStatement> createUnion(final Current<QName, ?> ctx,
 463             final UnionTypeDefinition baseType, final TypeStatement declared,
 464             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 465         return new TypeEffectiveStatementImpl<>(declared, substatements, RestrictedTypes.newUnionBuilder(baseType,
 466             typeEffectiveQName(ctx)));
 467     }
 468 }