2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.yangtools.yang.parser.impl;
10 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.*;
11 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveType;
12 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnion;
13 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnionWithContext;
14 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeWithContext;
17 import java.io.FileInputStream;
18 import java.io.FileNotFoundException;
19 import java.io.IOException;
20 import java.io.InputStream;
24 import org.antlr.v4.runtime.ANTLRInputStream;
25 import org.antlr.v4.runtime.CommonTokenStream;
26 import org.antlr.v4.runtime.tree.ParseTree;
27 import org.antlr.v4.runtime.tree.ParseTreeWalker;
28 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
29 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
30 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
31 import org.opendaylight.yangtools.yang.common.QName;
32 import org.opendaylight.yangtools.yang.model.api.*;
33 import org.opendaylight.yangtools.yang.model.parser.api.YangModelParser;
34 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
35 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
36 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
37 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
38 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
39 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
40 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
41 import org.opendaylight.yangtools.yang.parser.builder.api.TypeDefinitionBuilder;
42 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
43 import org.opendaylight.yangtools.yang.parser.builder.impl.*;
44 import org.opendaylight.yangtools.yang.parser.util.Comparators;
45 import org.opendaylight.yangtools.yang.parser.util.GroupingSort;
46 import org.opendaylight.yangtools.yang.parser.util.GroupingUtils;
47 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
48 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
49 import org.opendaylight.yangtools.yang.parser.util.ParserUtils;
50 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
51 import org.opendaylight.yangtools.yang.validator.YangModelBasicValidator;
52 import org.slf4j.Logger;
53 import org.slf4j.LoggerFactory;
55 import com.google.common.base.Preconditions;
58 public final class YangParserImpl implements YangModelParser {
59 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
61 private static final String FAIL_DEVIATION_TARGET = "Failed to find deviation target.";
64 public Set<Module> parseYangModels(final File yangFile, final File directory) {
65 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
66 Preconditions.checkState(directory.exists(), directory + " does not exists");
67 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
69 final String yangFileName = yangFile.getName();
70 final String[] fileList = directory.list();
71 Preconditions.checkNotNull(fileList, directory + " not found");
73 FileInputStream yangFileStream = null;
74 LinkedHashMap<InputStream, File> streamToFileMap = new LinkedHashMap<>();
76 yangFileStream = new FileInputStream(yangFile);
77 streamToFileMap.put(yangFileStream, yangFile);
78 } catch (FileNotFoundException e) {
79 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
82 for (String fileName : fileList) {
83 if (fileName.equals(yangFileName)) {
86 File dependency = new File(directory, fileName);
88 if (dependency.isFile()) {
89 streamToFileMap.put(new FileInputStream(dependency), dependency);
91 } catch (FileNotFoundException e) {
92 LOG.warn("Exception while reading yang file: " + fileName, e);
96 Map<InputStream, ModuleBuilder> parsedBuilders = parseBuilders(new ArrayList<>(streamToFileMap.keySet()),
97 new HashMap<ModuleBuilder, InputStream>());
98 ModuleBuilder main = parsedBuilders.get(yangFileStream);
100 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
101 moduleBuilders.add(main);
102 filterImports(main, new ArrayList<>(parsedBuilders.values()), moduleBuilders);
103 Collection<ModuleBuilder> result = resolveSubmodules(moduleBuilders);
105 // module builders sorted by dependencies
106 ModuleBuilder[] builders = new ModuleBuilder[result.size()];
107 result.toArray(builders);
108 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(builders);
109 LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sortedBuilders);
110 Collection<Module> unsorted = build(modules).values();
111 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
115 public Set<Module> parseYangModels(final List<File> yangFiles) {
116 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
117 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
121 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
122 if (yangFiles == null) {
123 return Collections.emptySet();
126 final Map<InputStream, File> inputStreams = new HashMap<>();
127 for (final File yangFile : yangFiles) {
129 inputStreams.put(new FileInputStream(yangFile), yangFile);
130 } catch (FileNotFoundException e) {
131 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
135 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
136 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
137 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
138 builderToStreamMap, null);
140 for (InputStream is : inputStreams.keySet()) {
143 } catch (IOException e) {
144 LOG.debug("Failed to close stream.");
148 final Collection<Module> unsorted = buildWithContext(modules, context).values();
149 if (context != null) {
150 for (Module m : context.getModules()) {
151 if (!unsorted.contains(m)) {
156 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
160 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
161 Collection<Module> unsorted = parseYangModelsFromStreamsMapped(yangModelStreams).values();
162 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
166 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, SchemaContext context) {
167 if (yangModelStreams == null) {
168 return Collections.emptySet();
171 final Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
172 final Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
173 builderToStreamMap, context);
174 final Set<Module> unsorted = new LinkedHashSet<>(buildWithContext(modules, context).values());
175 if (context != null) {
176 for (Module m : context.getModules()) {
177 if (!unsorted.contains(m)) {
182 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
186 public Map<File, Module> parseYangModelsMapped(List<File> yangFiles) {
187 if (yangFiles == null) {
188 return Collections.emptyMap();
191 final Map<InputStream, File> inputStreams = new HashMap<>();
192 for (final File yangFile : yangFiles) {
195 inputStreams.put(new FileInputStream(yangFile), yangFile);
196 } catch (FileNotFoundException e) {
197 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
201 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
202 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
203 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
206 for (InputStream is : inputStreams.keySet()) {
209 } catch (IOException e) {
210 LOG.debug("Failed to close stream.");
214 Map<File, Module> result = new LinkedHashMap<>();
215 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
216 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
217 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
218 for (ModuleBuilder key : sorted) {
219 result.put(inputStreams.get(builderToStreamMap.get(key)), builderToModuleMap.get(key));
225 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final List<InputStream> yangModelStreams) {
226 if (yangModelStreams == null) {
227 return Collections.emptyMap();
230 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
231 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
233 Map<InputStream, Module> result = new LinkedHashMap<>();
234 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
235 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
236 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
237 for (ModuleBuilder key : sorted) {
238 result.put(builderToStreamMap.get(key), builderToModuleMap.get(key));
244 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
245 return new SchemaContextImpl(modules);
248 private Map<InputStream, ModuleBuilder> parseModuleBuilders(List<InputStream> inputStreams,
249 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
250 Map<InputStream, ModuleBuilder> modules = parseBuilders(inputStreams, streamToBuilderMap);
251 Map<InputStream, ModuleBuilder> result = resolveSubmodules(modules);
255 private Map<InputStream, ModuleBuilder> parseBuilders(List<InputStream> inputStreams,
256 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
257 final ParseTreeWalker walker = new ParseTreeWalker();
258 final Map<InputStream, ParseTree> trees = parseStreams(inputStreams);
259 final Map<InputStream, ModuleBuilder> builders = new LinkedHashMap<>();
262 new YangModelBasicValidator(walker).validate(new ArrayList<>(trees.values()));
264 YangParserListenerImpl yangModelParser;
265 for (Map.Entry<InputStream, ParseTree> entry : trees.entrySet()) {
266 InputStream is = entry.getKey();
268 if (is instanceof NamedFileInputStream) {
269 NamedFileInputStream nis = (NamedFileInputStream)is;
270 path = nis.getFileDestination();
272 yangModelParser = new YangParserListenerImpl(path);
273 walker.walk(yangModelParser, entry.getValue());
274 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
276 // We expect the order of trees and streams has to be the same
277 streamToBuilderMap.put(moduleBuilder, entry.getKey());
279 builders.put(entry.getKey(), moduleBuilder);
285 private Map<InputStream, ModuleBuilder> resolveSubmodules(Map<InputStream, ModuleBuilder> builders) {
286 Map<InputStream, ModuleBuilder> modules = new HashMap<>();
287 Set<ModuleBuilder> submodules = new HashSet<>();
288 for (Map.Entry<InputStream, ModuleBuilder> entry : builders.entrySet()) {
289 ModuleBuilder moduleBuilder = entry.getValue();
290 if (moduleBuilder.isSubmodule()) {
291 submodules.add(moduleBuilder);
293 modules.put(entry.getKey(), moduleBuilder);
297 Collection<ModuleBuilder> values = modules.values();
298 for (ModuleBuilder submodule : submodules) {
299 for (ModuleBuilder module : values) {
300 if (module.getName().equals(submodule.getBelongsTo())) {
301 addSubmoduleToModule(submodule, module);
308 private Collection<ModuleBuilder> resolveSubmodules(Collection<ModuleBuilder> builders) {
309 Collection<ModuleBuilder> modules = new HashSet<>();
310 Set<ModuleBuilder> submodules = new HashSet<>();
311 for (ModuleBuilder moduleBuilder : builders) {
312 if (moduleBuilder.isSubmodule()) {
313 submodules.add(moduleBuilder);
315 modules.add(moduleBuilder);
319 for (ModuleBuilder submodule : submodules) {
320 for (ModuleBuilder module : modules) {
321 if (module.getName().equals(submodule.getBelongsTo())) {
322 addSubmoduleToModule(submodule, module);
329 private void addSubmoduleToModule(ModuleBuilder submodule, ModuleBuilder module) {
330 submodule.setParent(module);
331 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
332 module.getModuleImports().addAll(submodule.getModuleImports());
333 module.getAugments().addAll(submodule.getAugments());
334 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
335 module.getAllAugments().addAll(submodule.getAllAugments());
336 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
337 module.getChildNodes().addAll(submodule.getChildNodes());
338 module.getGroupings().addAll(submodule.getGroupings());
339 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
340 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
341 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
342 module.getUsesNodes().addAll(submodule.getUsesNodes());
343 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
344 module.getAllGroupings().addAll(submodule.getAllGroupings());
345 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
346 module.getRpcs().addAll(submodule.getRpcs());
347 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
348 module.getNotifications().addAll(submodule.getNotifications());
349 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
350 module.getIdentities().addAll(submodule.getIdentities());
351 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
352 module.getFeatures().addAll(submodule.getFeatures());
353 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
354 module.getDeviations().addAll(submodule.getDeviations());
355 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
356 module.getExtensions().addAll(submodule.getExtensions());
357 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
358 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
359 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
362 private Map<String, TreeMap<Date, ModuleBuilder>> resolveModuleBuilders(final List<InputStream> yangFileStreams,
363 final Map<ModuleBuilder, InputStream> streamToBuilderMap, final SchemaContext context) {
364 Map<InputStream, ModuleBuilder> parsedBuilders = parseModuleBuilders(yangFileStreams, streamToBuilderMap);
365 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
366 parsedBuilders.values().toArray(builders);
368 // module dependency graph sorted
369 List<ModuleBuilder> sorted;
370 if (context == null) {
371 sorted = ModuleDependencySort.sort(builders);
373 sorted = ModuleDependencySort.sortWithContext(context, builders);
375 return orderModules(sorted);
379 * Order modules by name and revision.
383 * @return modules ordered by name and revision
385 private LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> orderModules(List<ModuleBuilder> modules) {
386 final LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
387 for (final ModuleBuilder builder : modules) {
388 if (builder == null) {
391 final String builderName = builder.getName();
392 Date builderRevision = builder.getRevision();
393 if (builderRevision == null) {
394 builderRevision = new Date(0L);
396 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(builderName);
397 if (builderByRevision == null) {
398 builderByRevision = new TreeMap<>();
400 builderByRevision.put(builderRevision, builder);
401 result.put(builderName, builderByRevision);
406 private void filterImports(ModuleBuilder main, List<ModuleBuilder> other, List<ModuleBuilder> filtered) {
407 Set<ModuleImport> imports = main.getModuleImports();
409 // if this is submodule, add parent to filtered and pick its imports
410 if (main.isSubmodule()) {
411 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
412 for (ModuleBuilder mb : other) {
413 if (mb.getName().equals(main.getBelongsTo())) {
414 dependencies.put(mb.getRevision(), mb);
417 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
418 filtered.add(parent);
419 imports.addAll(parent.getModuleImports());
422 for (ModuleImport mi : imports) {
423 for (ModuleBuilder builder : other) {
424 if (mi.getModuleName().equals(builder.getModuleName())) {
425 if (mi.getRevision() == null) {
426 if (!filtered.contains(builder)) {
427 filtered.add(builder);
428 filterImports(builder, other, filtered);
431 if (mi.getRevision().equals(builder.getRevision())) {
432 if (!filtered.contains(builder)) {
433 filtered.add(builder);
434 filterImports(builder, other, filtered);
443 private Map<InputStream, ParseTree> parseStreams(final List<InputStream> yangStreams) {
444 final Map<InputStream, ParseTree> trees = new HashMap<>();
445 for (InputStream yangStream : yangStreams) {
446 trees.put(yangStream, parseStream(yangStream));
451 private ParseTree parseStream(final InputStream yangStream) {
452 ParseTree result = null;
454 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
455 final YangLexer lexer = new YangLexer(input);
456 final CommonTokenStream tokens = new CommonTokenStream(lexer);
457 final YangParser parser = new YangParser(tokens);
458 parser.removeErrorListeners();
459 YangErrorListener errorListener = new YangErrorListener();
460 parser.addErrorListener(errorListener);
461 result = parser.yang();
462 errorListener.validate();
463 } catch (IOException e) {
464 LOG.warn("Exception while reading yang file: " + yangStream, e);
469 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
470 YangContext result = null;
472 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
473 final YangLexer lexer = new YangLexer(input);
474 final CommonTokenStream tokens = new CommonTokenStream(lexer);
475 final YangParser parser = new YangParser(tokens);
476 parser.removeErrorListeners();
477 result = parser.yang();
478 } catch (IOException e) {
479 LOG.warn("Exception while reading yang file: " + yangStream, e);
484 private Map<ModuleBuilder, Module> build(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
485 // fix unresolved nodes
486 resolveDirtyNodes(modules);
487 resolveAugmentsTargetPath(modules, null);
488 resolveUsesTargetGrouping(modules, null);
489 resolveUsesForGroupings(modules, null);
490 resolveUsesForNodes(modules, null);
491 resolveAugments(modules, null);
492 resolveDeviations(modules);
495 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
496 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
497 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
498 final ModuleBuilder moduleBuilder = childEntry.getValue();
499 final Module module = moduleBuilder.build();
500 result.put(moduleBuilder, module);
506 private Map<ModuleBuilder, Module> buildWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
507 final SchemaContext context) {
508 // fix unresolved nodes
509 resolvedDirtyNodesWithContext(modules, context);
510 resolveAugmentsTargetPath(modules, context);
511 resolveUsesTargetGrouping(modules, context);
512 resolveUsesForGroupings(modules, context);
513 resolveUsesForNodes(modules, context);
514 resolveAugments(modules, context);
515 resolveDeviationsWithContext(modules, context);
518 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
519 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
520 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
521 final ModuleBuilder moduleBuilder = childEntry.getValue();
522 final Module module = moduleBuilder.build();
523 result.put(moduleBuilder, module);
529 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
530 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
531 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
532 final ModuleBuilder module = childEntry.getValue();
533 resolveUnknownNodes(modules, module);
534 resolveIdentities(modules, module);
535 resolveDirtyNodes(modules, module);
540 private void resolvedDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
541 final SchemaContext context) {
542 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
543 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
544 final ModuleBuilder module = childEntry.getValue();
545 resolveUnknownNodesWithContext(modules, module, context);
546 resolveIdentitiesWithContext(modules, module, context);
547 resolveDirtyNodesWithContext(modules, module, context);
553 * Search for dirty nodes (node which contains UnknownType) and resolve
557 * all available modules
561 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
562 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
563 if (!dirtyNodes.isEmpty()) {
564 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
565 if (nodeToResolve instanceof UnionTypeBuilder) {
566 // special handling for union types
567 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
568 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
569 // special handling for identityref types
570 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
571 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
573 if (identity == null) {
574 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
576 idref.setBaseIdentity(identity);
577 nodeToResolve.setType(idref.build());
579 resolveType(nodeToResolve, modules, module);
585 private void resolveDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
586 final ModuleBuilder module, SchemaContext context) {
587 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
588 if (!dirtyNodes.isEmpty()) {
589 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
590 if (nodeToResolve instanceof UnionTypeBuilder) {
591 // special handling for union types
592 resolveTypeUnionWithContext((UnionTypeBuilder) nodeToResolve, modules, module, context);
593 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
594 // special handling for identityref types
595 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
596 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
598 idref.setBaseIdentity(identity);
599 nodeToResolve.setType(idref.build());
601 resolveTypeWithContext(nodeToResolve, modules, module, context);
608 * Correct augment target path.
613 private void resolveAugmentsTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
614 SchemaContext context) {
615 // collect augments from all loaded modules
616 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
617 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
618 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
619 allAugments.addAll(inner.getValue().getAllAugments());
623 for (AugmentationSchemaBuilder augment : allAugments) {
624 setCorrectAugmentTargetPath(modules, augment, context);
628 private void setCorrectAugmentTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
629 final AugmentationSchemaBuilder augment, final SchemaContext context) {
630 ModuleBuilder module = ParserUtils.getParentModule(augment);
631 SchemaPath oldSchemaPath = augment.getTargetPath();
632 List<QName> oldPath = oldSchemaPath.getPath();
633 List<QName> newPath = new ArrayList<>();
635 Builder parent = augment.getParent();
636 if (parent instanceof UsesNodeBuilder) {
637 DataNodeContainerBuilder usesParent = ((UsesNodeBuilder) parent).getParent();
638 newPath.addAll(usesParent.getPath().getPath());
643 QName baseQName = usesParent.getQName();
644 if (baseQName == null) {
645 ModuleBuilder m = ParserUtils.getParentModule(usesParent);
646 ns = m.getNamespace();
647 revision = m.getRevision();
648 prefix = m.getPrefix();
650 ns = baseQName.getNamespace();
651 revision = baseQName.getRevision();
652 prefix = baseQName.getPrefix();
655 for (QName qn : oldSchemaPath.getPath()) {
656 newPath.add(new QName(ns, revision, prefix, qn.getLocalName()));
660 for (QName qn : oldPath) {
661 URI ns = module.getNamespace();
662 Date rev = module.getRevision();
663 String pref = module.getPrefix();
664 String localPrefix = qn.getPrefix();
665 if (localPrefix != null && !("".equals(localPrefix))) {
666 ModuleBuilder currentModule = ParserUtils.findModuleFromBuilders(modules, module, localPrefix,
668 if (currentModule == null) {
669 Module m = ParserUtils.findModuleFromContext(context, module, localPrefix, augment.getLine());
671 throw new YangParseException(module.getName(), augment.getLine(), "Module with prefix "
672 + localPrefix + " not found.");
674 ns = m.getNamespace();
675 rev = m.getRevision();
676 pref = m.getPrefix();
678 ns = currentModule.getNamespace();
679 rev = currentModule.getRevision();
680 pref = currentModule.getPrefix();
683 newPath.add(new QName(ns, rev, pref, qn.getLocalName()));
686 augment.setTargetNodeSchemaPath(new SchemaPath(newPath, augment.getTargetPath().isAbsolute()));
688 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
689 correctPathForAugmentNodes(childNode, augment.getTargetNodeSchemaPath());
693 private void correctPathForAugmentNodes(DataSchemaNodeBuilder node, SchemaPath parentPath) {
694 SchemaPath newPath = ParserUtils.createSchemaPath(parentPath, node.getQName());
695 node.setPath(newPath);
696 if (node instanceof DataNodeContainerBuilder) {
697 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
698 correctPathForAugmentNodes(child, node.getPath());
701 if (node instanceof ChoiceBuilder) {
702 for (ChoiceCaseBuilder child : ((ChoiceBuilder)node).getCases()) {
703 correctPathForAugmentNodes(child, node.getPath());
709 * Check augments for mandatory nodes. If the target node is in another
710 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
711 * If mandatory node is found, throw an exception.
716 private void checkAugmentMandatoryNodes(Collection<AugmentationSchemaBuilder> augments) {
717 for (AugmentationSchemaBuilder augment : augments) {
718 String augmentPrefix = augment.getTargetPath().getPath().get(0).getPrefix();
719 ModuleBuilder module = ParserUtils.getParentModule(augment);
720 String modulePrefix = module.getPrefix();
722 if (augmentPrefix == null || augmentPrefix.isEmpty() || augmentPrefix.equals(modulePrefix)) {
726 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
727 if (childNode.getConstraints().isMandatory()) {
728 throw new YangParseException(augment.getModuleName(), augment.getLine(),
729 "Error in augment parsing: cannot augment mandatory node "
730 + childNode.getQName().getLocalName());
737 * Go through all augment definitions and resolve them. This method works in
738 * same way as {@link #resolveAugments(Map)} except that if target node is
739 * not found in loaded modules, it search for target node in given context.
744 * SchemaContext containing already resolved modules
746 private void resolveAugments(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
747 List<ModuleBuilder> all = new ArrayList<>();
748 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
749 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
750 all.add(inner.getValue());
754 List<ModuleBuilder> sorted;
755 if (context == null) {
756 sorted = ModuleDependencySort.sort(all.toArray(new ModuleBuilder[all.size()]));
758 sorted = ModuleDependencySort.sortWithContext(context, all.toArray(new ModuleBuilder[all.size()]));
761 for (ModuleBuilder mb : sorted) {
763 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
764 checkAugmentMandatoryNodes(augments);
765 Collections.sort(augments, Comparators.AUGMENT_COMP);
766 for (AugmentationSchemaBuilder augment : augments) {
767 if (!(augment.isResolved())) {
768 boolean resolved = resolveAugment(augment, mb, modules, context);
770 throw new YangParseException(augment.getModuleName(), augment.getLine(),
771 "Error in augment parsing: failed to find augment target: " + augment);
779 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
780 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
781 if (augment.isResolved()) {
785 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
786 DataNodeContainerBuilder parentNode = usesNode.getParent();
787 SchemaNodeBuilder targetNode;
788 if (parentNode instanceof ModuleBuilder) {
789 targetNode = findSchemaNodeInModule(augment.getTargetPath().getPath(), (ModuleBuilder)parentNode);
791 targetNode = findSchemaNode(augment.getTargetPath().getPath(), (SchemaNodeBuilder)parentNode);
794 fillAugmentTarget(augment, targetNode);
795 augment.setResolved(true);
799 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
800 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
801 if (augment.isResolved()) {
805 List<QName> targetPath = augment.getTargetPath().getPath();
806 ModuleBuilder targetModule = findTargetModule(targetPath.get(0), module, modules, context, augment.getLine());
807 if (targetModule == null) {
808 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
812 return processAugmentation(augment, targetModule);
816 * Find module from loaded modules or from context based on given qname. If
817 * module is found in context, create wrapper over this module and add it to
818 * collection of loaded modules.
831 private ModuleBuilder findTargetModule(final QName qname, final ModuleBuilder module,
832 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
833 ModuleBuilder targetModule = null;
835 String prefix = qname.getPrefix();
836 if (prefix == null || prefix.equals("")) {
837 targetModule = module;
839 targetModule = findModuleFromBuilders(modules, module, qname.getPrefix(), line);
842 if (targetModule == null && context != null) {
843 Module m = findModuleFromContext(context, module, prefix, line);
844 targetModule = new ModuleBuilder(m);
845 DataSchemaNode firstNode = m.getDataChildByName(qname.getLocalName());
846 DataSchemaNodeBuilder firstNodeWrapped = wrapChildNode(targetModule.getModuleName(), line, firstNode,
847 targetModule.getPath(), firstNode.getQName());
848 targetModule.addChildNode(firstNodeWrapped);
850 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
851 map.put(targetModule.getRevision(), targetModule);
852 modules.put(targetModule.getModuleName(), map);
859 * Go through identity statements defined in current module and resolve
860 * their 'base' statement if present.
865 * module being resolved
867 private void resolveIdentities(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
868 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
869 for (IdentitySchemaNodeBuilder identity : identities) {
870 final String baseIdentityName = identity.getBaseIdentityName();
871 final int line = identity.getLine();
872 if (baseIdentityName != null) {
873 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
874 if (baseIdentity == null) {
875 throw new YangParseException(module.getName(), identity.getLine(), "Failed to find base identity");
877 identity.setBaseIdentity(baseIdentity);
884 * Go through identity statements defined in current module and resolve
885 * their 'base' statement. Method tries to find base identity in given
886 * modules. If base identity is not found, method will search it in context.
893 * SchemaContext containing already resolved modules
895 private void resolveIdentitiesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
896 final ModuleBuilder module, final SchemaContext context) {
897 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
898 for (IdentitySchemaNodeBuilder identity : identities) {
899 final String baseIdentityName = identity.getBaseIdentityName();
900 final int line = identity.getLine();
901 if (baseIdentityName != null) {
902 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
903 if (baseIdentity == null) {
904 IdentitySchemaNode baseId = findBaseIdentityFromContext(modules, module, baseIdentityName, line,
906 identity.setBaseIdentity(baseId);
908 identity.setBaseIdentity(baseIdentity);
915 * Find and add reference of uses target grouping.
920 * SchemaContext containing already resolved modules or null if
921 * context is not available
923 private void resolveUsesTargetGrouping(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
924 final SchemaContext context) {
925 final List<UsesNodeBuilder> allUses = new ArrayList<>();
926 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
927 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
928 allUses.addAll(inner.getValue().getAllUsesNodes());
931 for (UsesNodeBuilder usesNode : allUses) {
932 ModuleBuilder module = ParserUtils.getParentModule(usesNode);
933 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
935 if (targetGroupingBuilder == null) {
936 if (context == null) {
937 throw new YangParseException(module.getName(), usesNode.getLine(), "Referenced grouping '"
938 + usesNode.getGroupingPathAsString() + "' not found.");
940 GroupingDefinition targetGroupingDefinition = GroupingUtils.getTargetGroupingFromContext(usesNode,
942 usesNode.setGroupingDefinition(targetGroupingDefinition);
945 usesNode.setGrouping(targetGroupingBuilder);
950 private void resolveUsesForGroupings(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
951 final Set<GroupingBuilder> allGroupings = new HashSet<>();
952 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
953 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
954 ModuleBuilder module = inner.getValue();
955 allGroupings.addAll(module.getAllGroupings());
958 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
959 for (GroupingBuilder gb : sorted) {
960 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
961 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
962 for (UsesNodeBuilder usesNode : usesNodes) {
963 resolveUses(usesNode, modules, context);
968 private void resolveUsesForNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
969 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
970 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
971 ModuleBuilder module = inner.getValue();
972 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
973 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
974 for (UsesNodeBuilder usesNode : usesNodes) {
975 resolveUses(usesNode, modules, context);
981 private void resolveUses(UsesNodeBuilder usesNode,
982 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
983 if (!usesNode.isResolved()) {
984 DataNodeContainerBuilder parent = usesNode.getParent();
985 ModuleBuilder module = ParserUtils.getParentModule(parent);
986 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
987 if (target == null) {
988 resolveUsesWithContext(usesNode);
989 usesNode.setResolved(true);
990 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
991 resolveUsesAugment(augment, module, modules, context);
994 parent.getChildNodeBuilders().addAll(target.instantiateChildNodes(parent));
995 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
996 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
997 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
998 usesNode.setResolved(true);
999 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1000 resolveUsesAugment(augment, module, modules, context);
1003 GroupingUtils.performRefine(usesNode);
1007 private void resolveUsesWithContext(UsesNodeBuilder usesNode) {
1008 final int line = usesNode.getLine();
1009 DataNodeContainerBuilder parent = usesNode.getParent();
1010 ModuleBuilder module = ParserUtils.getParentModule(parent);
1011 SchemaPath parentPath;
1015 if (parent instanceof AugmentationSchemaBuilder || parent instanceof ModuleBuilder) {
1016 ns = module.getNamespace();
1017 rev = module.getRevision();
1018 pref = module.getPrefix();
1019 if (parent instanceof AugmentationSchemaBuilder) {
1020 parentPath = ((AugmentationSchemaBuilder)parent).getTargetNodeSchemaPath();
1022 parentPath = ((ModuleBuilder)parent).getPath();
1025 ns = ((DataSchemaNodeBuilder) parent).getQName().getNamespace();
1026 rev = ((DataSchemaNodeBuilder) parent).getQName().getRevision();
1027 pref = ((DataSchemaNodeBuilder) parent).getQName().getPrefix();
1028 parentPath = ((DataSchemaNodeBuilder)parent).getPath();
1031 GroupingDefinition gd = usesNode.getGroupingDefinition();
1033 Set<DataSchemaNodeBuilder> childNodes = wrapChildNodes(module.getModuleName(), line,
1034 gd.getChildNodes(), parentPath, ns, rev, pref);
1035 parent.getChildNodeBuilders().addAll(childNodes);
1036 for (DataSchemaNodeBuilder childNode : childNodes) {
1037 setNodeAddedByUses(childNode);
1040 Set<TypeDefinitionBuilder> typedefs = wrapTypedefs(module.getModuleName(), line, gd, parentPath, ns,
1042 parent.getTypeDefinitionBuilders().addAll(typedefs);
1043 for (TypeDefinitionBuilder typedef : typedefs) {
1044 setNodeAddedByUses(typedef);
1047 Set<GroupingBuilder> groupings = wrapGroupings(module.getModuleName(), line, usesNode
1048 .getGroupingDefinition().getGroupings(), parentPath, ns, rev, pref);
1049 parent.getGroupingBuilders().addAll(groupings);
1050 for (GroupingBuilder gb : groupings) {
1051 setNodeAddedByUses(gb);
1054 List<UnknownSchemaNodeBuilder> unknownNodes = wrapUnknownNodes(module.getModuleName(), line,
1055 gd.getUnknownSchemaNodes(), parentPath, ns, rev, pref);
1056 parent.getUnknownNodes().addAll(unknownNodes);
1057 for (UnknownSchemaNodeBuilder un : unknownNodes) {
1058 un.setAddedByUses(true);
1062 private void resolveUnknownNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1063 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1064 QName nodeType = usnb.getNodeType();
1066 ModuleBuilder dependentModule = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1068 for (ExtensionBuilder extension : dependentModule.getAddedExtensions()) {
1069 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1070 usnb.setNodeType(extension.getQName());
1071 usnb.setExtensionBuilder(extension);
1075 } catch (YangParseException e) {
1076 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1077 + ": no such extension definition found.", e);
1082 private void resolveUnknownNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1083 final ModuleBuilder module, final SchemaContext context) {
1084 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1085 QName nodeType = usnb.getNodeType();
1087 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1090 if (dependentModuleBuilder == null) {
1091 Module dependentModule = findModuleFromContext(context, module, nodeType.getPrefix(),
1093 for (ExtensionDefinition e : dependentModule.getExtensionSchemaNodes()) {
1094 if (e.getQName().getLocalName().equals(nodeType.getLocalName())) {
1095 usnb.setNodeType(new QName(e.getQName().getNamespace(), e.getQName().getRevision(),
1096 nodeType.getPrefix(), e.getQName().getLocalName()));
1097 usnb.setExtensionDefinition(e);
1102 for (ExtensionBuilder extension : dependentModuleBuilder.getAddedExtensions()) {
1103 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1104 usnb.setExtensionBuilder(extension);
1110 } catch (YangParseException e) {
1111 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1112 + ": no such extension definition found.", e);
1119 * Traverse through modules and resolve their deviation statements.
1122 * all loaded modules
1124 private void resolveDeviations(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1125 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1126 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1127 ModuleBuilder b = inner.getValue();
1128 resolveDeviation(modules, b);
1134 * Traverse through module and resolve its deviation statements.
1137 * all loaded modules
1139 * module in which resolve deviations
1141 private void resolveDeviation(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1142 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1143 int line = dev.getLine();
1144 SchemaPath targetPath = dev.getTargetPath();
1145 List<QName> path = targetPath.getPath();
1146 QName q0 = path.get(0);
1147 String prefix = q0.getPrefix();
1148 if (prefix == null) {
1149 prefix = module.getPrefix();
1152 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1153 processDeviation(dev, dependentModuleBuilder, path, module);
1158 * Traverse through modules and resolve their deviation statements with
1162 * all loaded modules
1164 * already resolved context
1166 private void resolveDeviationsWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1167 final SchemaContext context) {
1168 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1169 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1170 ModuleBuilder b = inner.getValue();
1171 resolveDeviationWithContext(modules, b, context);
1177 * Traverse through module and resolve its deviation statements with given
1181 * all loaded modules
1183 * module in which resolve deviations
1185 * already resolved context
1187 private void resolveDeviationWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1188 final ModuleBuilder module, final SchemaContext context) {
1189 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1190 int line = dev.getLine();
1191 SchemaPath targetPath = dev.getTargetPath();
1192 List<QName> path = targetPath.getPath();
1193 QName q0 = path.get(0);
1194 String prefix = q0.getPrefix();
1195 if (prefix == null) {
1196 prefix = module.getPrefix();
1199 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1200 if (dependentModuleBuilder == null) {
1201 Object currentParent = findModuleFromContext(context, module, prefix, line);
1203 for (QName q : path) {
1204 if (currentParent == null) {
1205 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1207 String name = q.getLocalName();
1208 if (currentParent instanceof DataNodeContainer) {
1209 currentParent = ((DataNodeContainer) currentParent).getDataChildByName(name);
1213 if (currentParent == null) {
1214 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1216 if (currentParent instanceof SchemaNode) {
1217 dev.setTargetPath(((SchemaNode) currentParent).getPath());
1221 processDeviation(dev, dependentModuleBuilder, path, module);
1227 * Correct deviation target path in deviation builder.
1231 * @param dependentModuleBuilder
1232 * module containing deviation target
1234 * current deviation target path
1238 private void processDeviation(final DeviationBuilder dev, final ModuleBuilder dependentModuleBuilder,
1239 final List<QName> path, final ModuleBuilder module) {
1240 final int line = dev.getLine();
1241 Builder currentParent = dependentModuleBuilder;
1243 for (QName q : path) {
1244 if (currentParent == null) {
1245 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1247 String name = q.getLocalName();
1248 if (currentParent instanceof DataNodeContainerBuilder) {
1249 currentParent = ((DataNodeContainerBuilder) currentParent).getDataChildByName(name);
1253 if (!(currentParent instanceof SchemaNodeBuilder)) {
1254 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1256 dev.setTargetPath(((SchemaNodeBuilder) currentParent).getPath());