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 com.google.common.base.Preconditions.checkNotNull;
11 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.fillAugmentTarget;
12 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.findBaseIdentity;
13 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.findModuleFromBuilders;
14 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.findModuleFromContext;
15 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.findSchemaNode;
16 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.findSchemaNodeInModule;
17 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.processAugmentation;
18 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.setNodeAddedByUses;
19 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.wrapChildNode;
20 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.wrapChildNodes;
21 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.wrapGroupings;
22 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.wrapTypedefs;
23 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.wrapUnknownNodes;
24 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveType;
25 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnion;
26 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnionWithContext;
27 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeWithContext;
30 import java.io.IOException;
31 import java.io.InputStream;
33 import java.util.ArrayList;
34 import java.util.Collection;
35 import java.util.Collections;
36 import java.util.Date;
37 import java.util.HashMap;
38 import java.util.HashSet;
39 import java.util.LinkedHashMap;
40 import java.util.LinkedHashSet;
41 import java.util.List;
44 import java.util.TreeMap;
46 import org.antlr.v4.runtime.ANTLRInputStream;
47 import org.antlr.v4.runtime.CommonTokenStream;
48 import org.antlr.v4.runtime.tree.ParseTree;
49 import org.antlr.v4.runtime.tree.ParseTreeWalker;
50 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
51 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
52 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
53 import org.opendaylight.yangtools.yang.common.QName;
54 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
55 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
56 import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
57 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
58 import org.opendaylight.yangtools.yang.model.api.Module;
59 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
60 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
61 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
62 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
63 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
64 import org.opendaylight.yangtools.yang.model.parser.api.YangContextParser;
65 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
66 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
67 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationTargetBuilder;
68 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
69 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
70 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
71 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
72 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
73 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
74 import org.opendaylight.yangtools.yang.parser.builder.api.TypeDefinitionBuilder;
75 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
76 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceBuilder;
77 import org.opendaylight.yangtools.yang.parser.builder.impl.ChoiceCaseBuilder;
78 import org.opendaylight.yangtools.yang.parser.builder.impl.DeviationBuilder;
79 import org.opendaylight.yangtools.yang.parser.builder.impl.ExtensionBuilder;
80 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentitySchemaNodeBuilder;
81 import org.opendaylight.yangtools.yang.parser.builder.impl.IdentityrefTypeBuilder;
82 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleBuilder;
83 import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleBuilder.ModuleImpl;
84 import org.opendaylight.yangtools.yang.parser.builder.impl.UnionTypeBuilder;
85 import org.opendaylight.yangtools.yang.parser.builder.impl.UnknownSchemaNodeBuilder;
86 import org.opendaylight.yangtools.yang.parser.util.Comparators;
87 import org.opendaylight.yangtools.yang.parser.util.GroupingSort;
88 import org.opendaylight.yangtools.yang.parser.util.GroupingUtils;
89 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
90 import org.opendaylight.yangtools.yang.parser.util.NamedByteArrayInputStream;
91 import org.opendaylight.yangtools.yang.parser.util.NamedFileInputStream;
92 import org.opendaylight.yangtools.yang.parser.util.NamedInputStream;
93 import org.opendaylight.yangtools.yang.parser.util.ParserUtils;
94 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
95 import org.opendaylight.yangtools.yang.validator.YangModelBasicValidator;
96 import org.slf4j.Logger;
97 import org.slf4j.LoggerFactory;
99 import com.google.common.base.Preconditions;
100 import com.google.common.collect.HashBiMap;
101 import com.google.common.io.ByteSource;
104 public final class YangParserImpl implements YangContextParser {
105 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
107 private static final String FAIL_DEVIATION_TARGET = "Failed to find deviation target.";
111 public Set<Module> parseYangModels(final File yangFile, final File directory) {
113 return parseFile(yangFile, directory).getModules();
114 } catch (IOException | YangSyntaxErrorException e) {
115 throw new YangParseException("Failed to parse yang data", e);
120 public SchemaContext parseFile(final File yangFile, final File directory) throws IOException, YangSyntaxErrorException {
121 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
122 Preconditions.checkState(directory.exists(), directory + " does not exists");
123 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
125 final String yangFileName = yangFile.getName();
126 final String[] fileList = checkNotNull(directory.list(), directory + " not found or is not a directory");
128 Map<ByteSource, File> sourceToFile = new LinkedHashMap<>();
129 ByteSource mainFileSource = ParserUtils.fileToByteSource(yangFile);
130 sourceToFile.put(mainFileSource, yangFile);
132 for (String fileName : fileList) {
133 if (fileName.equals(yangFileName)) {
136 File dependency = new File(directory, fileName);
137 if (dependency.isFile()) {
138 sourceToFile.put(ParserUtils.fileToByteSource(dependency), dependency);
142 Map<ByteSource, ModuleBuilder> sourceToBuilder = parseSourcesToBuilders(sourceToFile.keySet());
143 ModuleBuilder main = sourceToBuilder.get(mainFileSource);
145 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
146 moduleBuilders.add(main);
147 filterImports(main, new ArrayList<>(sourceToBuilder.values()), moduleBuilders);
148 Collection<ModuleBuilder> resolved = resolveSubmodules(moduleBuilders);
150 // module builders sorted by dependencies
151 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(resolved);
152 LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sortedBuilders);
153 Collection<Module> unsorted = build(modules).values();
154 Set<Module> result = new LinkedHashSet<>(
155 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
156 return resolveSchemaContext(result);
161 public Set<Module> parseYangModels(final List<File> yangFiles) {
162 return parseFiles(yangFiles).getModules();
166 public SchemaContext parseFiles(final Collection<File> yangFiles) {
167 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
168 Set<Module> sorted = new LinkedHashSet<>(
169 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
170 return resolveSchemaContext(sorted);
175 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
177 return parseFiles(yangFiles, context).getModules();
178 } catch (IOException | YangSyntaxErrorException e) {
179 throw new YangParseException("Failed to parse yang data", e);
184 public SchemaContext parseFiles(final Collection<File> yangFiles, final SchemaContext context) throws IOException, YangSyntaxErrorException {
185 if (yangFiles == null) {
186 return resolveSchemaContext(Collections.<Module> emptySet());
189 Collection<ByteSource> sources = ParserUtils.filesToByteSources(yangFiles);
190 SchemaContext result = parseSources(sources, context);
196 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
197 Collection<ByteSource> sources = ParserUtils.streamsToByteSources(yangModelStreams);
199 return parseSources(sources).getModules();
200 } catch (IOException | YangSyntaxErrorException e) {
201 throw new YangParseException("Failed to parse yang data", e);
206 public SchemaContext parseSources(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
207 Collection<Module> unsorted = parseYangModelSources(sources).values();
208 Set<Module> sorted = new LinkedHashSet<>(
209 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
210 return resolveSchemaContext(sorted);
215 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, final SchemaContext context) {
216 Collection<ByteSource> sources = ParserUtils.streamsToByteSources(yangModelStreams);
218 return parseSources(sources, context).getModules();
219 } catch (IOException | YangSyntaxErrorException e) {
220 throw new YangParseException("Failed to parse yang data", e);
225 public SchemaContext parseSources(final Collection<ByteSource> sources, final SchemaContext context) throws IOException, YangSyntaxErrorException {
226 if (sources == null) {
227 return resolveSchemaContext(Collections.<Module> emptySet());
230 final Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(sources, context);
231 final Set<Module> unsorted = new LinkedHashSet<>(buildWithContext(modules, context).values());
232 if (context != null) {
233 for (Module m : context.getModules()) {
234 if (!unsorted.contains(m)) {
239 Set<Module> result = new LinkedHashSet<>(
240 ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
241 return resolveSchemaContext(result);
245 public Map<File, Module> parseYangModelsMapped(final Collection<File> yangFiles) {
246 if (yangFiles == null || yangFiles.isEmpty()) {
247 return Collections.emptyMap();
250 Map<ByteSource, File> byteSourceToFile = new HashMap<>();
251 for (final File file : yangFiles) {
252 ByteSource source = new ByteSource() {
254 public InputStream openStream() throws IOException {
255 return new NamedFileInputStream(file, file.getPath());
258 byteSourceToFile.put(source, file);
261 Map<ByteSource, Module> byteSourceToModule;
263 byteSourceToModule = parseYangModelSources(byteSourceToFile.keySet());
264 } catch (IOException | YangSyntaxErrorException e) {
265 throw new YangParseException("Failed to parse yang data", e);
267 Map<File, Module> result = new LinkedHashMap<>();
268 for (Map.Entry<ByteSource, Module> entry : byteSourceToModule.entrySet()) {
269 result.put(byteSourceToFile.get(entry.getKey()), entry.getValue());
275 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final Collection<InputStream> yangModelStreams) {
276 if (yangModelStreams == null || yangModelStreams.isEmpty()) {
277 return Collections.emptyMap();
280 Map<ByteSource, InputStream> sourceToStream = new HashMap<>();
281 for (final InputStream stream : yangModelStreams) {
282 ByteSource source = new ByteSource() {
284 public InputStream openStream() throws IOException {
285 return NamedByteArrayInputStream.create(stream);
288 sourceToStream.put(source, stream);
291 Map<ByteSource, Module> sourceToModule;
293 sourceToModule = parseYangModelSources(sourceToStream.keySet());
294 } catch (IOException | YangSyntaxErrorException e) {
295 throw new YangParseException("Failed to parse yang data", e);
297 Map<InputStream, Module> result = new LinkedHashMap<>();
298 for (Map.Entry<ByteSource, Module> entry : sourceToModule.entrySet()) {
299 result.put(sourceToStream.get(entry.getKey()), entry.getValue());
305 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
306 // after merging parse method with this one, add support for getting submodule sources.
307 Map<ModuleIdentifier, String> identifiersToSources = new HashMap<>();
308 for(Module module: modules) {
309 ModuleImpl moduleImpl = (ModuleImpl) module;
310 identifiersToSources.put(module, moduleImpl.getSource());
312 return new SchemaContextImpl(modules, identifiersToSources);
315 private Map<ByteSource, Module> parseYangModelSources(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
316 if (sources == null || sources.isEmpty()) {
317 return Collections.emptyMap();
320 Map<ByteSource, ModuleBuilder> sourceToBuilder = resolveSources(sources);
321 // sort and check for duplicates
322 List<ModuleBuilder> sorted = ModuleDependencySort.sort(sourceToBuilder.values());
323 ParserUtils.setSourceToBuilder(sourceToBuilder);
324 Map<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sorted);
325 Map<ModuleBuilder, Module> builderToModule = build(modules);
326 Map<ModuleBuilder, ByteSource> builderToSource = HashBiMap.create(sourceToBuilder).inverse();
327 sorted = ModuleDependencySort.sort(builderToModule.keySet());
329 Map<ByteSource, Module> result = new LinkedHashMap<>();
330 for (ModuleBuilder moduleBuilder : sorted) {
331 Module value = checkNotNull(builderToModule.get(moduleBuilder), "Cannot get module for %s", moduleBuilder);
332 result.put(builderToSource.get(moduleBuilder), value);
339 * Parse streams and resolve submodules.
342 * collection of streams to parse
343 * @return map, where key is source stream and value is module builder
345 * @throws YangSyntaxErrorException
347 private Map<ByteSource, ModuleBuilder> resolveSources(final Collection<ByteSource> streams) throws IOException, YangSyntaxErrorException {
348 Map<ByteSource, ModuleBuilder> builders = parseSourcesToBuilders(streams);
349 Map<ByteSource, ModuleBuilder> result = resolveSubmodules(builders);
353 private Map<ByteSource, ModuleBuilder> parseSourcesToBuilders(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
354 final ParseTreeWalker walker = new ParseTreeWalker();
355 final Map<ByteSource, ParseTree> sourceToTree = parseYangSources(sources);
356 final Map<ByteSource, ModuleBuilder> sourceToBuilder = new LinkedHashMap<>();
359 new YangModelBasicValidator(walker).validate(sourceToTree.values());
361 YangParserListenerImpl yangModelParser;
362 for (Map.Entry<ByteSource, ParseTree> entry : sourceToTree.entrySet()) {
363 ByteSource source = entry.getKey();
365 InputStream stream = source.openStream();
366 if (stream instanceof NamedInputStream) {
367 path = stream.toString();
371 } catch (IOException e) {
372 LOG.warn("Failed to close stream {}", stream);
375 yangModelParser = new YangParserListenerImpl(path);
376 walker.walk(yangModelParser, entry.getValue());
377 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
378 sourceToBuilder.put(source, moduleBuilder);
381 return sourceToBuilder;
384 private Map<ByteSource, ModuleBuilder> resolveSubmodules(final Map<ByteSource, ModuleBuilder> builders) {
385 Map<ByteSource, ModuleBuilder> modules = new HashMap<>();
386 Set<ModuleBuilder> submodules = new HashSet<>();
387 for (Map.Entry<ByteSource, ModuleBuilder> entry : builders.entrySet()) {
388 ModuleBuilder moduleBuilder = entry.getValue();
389 if (moduleBuilder.isSubmodule()) {
390 submodules.add(moduleBuilder);
392 modules.put(entry.getKey(), moduleBuilder);
396 Collection<ModuleBuilder> values = modules.values();
397 for (ModuleBuilder submodule : submodules) {
398 for (ModuleBuilder module : values) {
399 if (module.getName().equals(submodule.getBelongsTo())) {
400 addSubmoduleToModule(submodule, module);
408 * Traverse collection of builders, find builders representing submodule and
409 * add this submodule to its parent module.
412 * collection of builders containing modules and submodules
413 * @return collection of module builders
415 private Collection<ModuleBuilder> resolveSubmodules(final Collection<ModuleBuilder> builders) {
416 Collection<ModuleBuilder> modules = new HashSet<>();
417 Set<ModuleBuilder> submodules = new HashSet<>();
418 for (ModuleBuilder moduleBuilder : builders) {
419 if (moduleBuilder.isSubmodule()) {
420 submodules.add(moduleBuilder);
422 modules.add(moduleBuilder);
426 for (ModuleBuilder submodule : submodules) {
427 for (ModuleBuilder module : modules) {
428 if (module.getName().equals(submodule.getBelongsTo())) {
429 addSubmoduleToModule(submodule, module);
436 private void addSubmoduleToModule(final ModuleBuilder submodule, final ModuleBuilder module) {
437 submodule.setParent(module);
438 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
439 module.getModuleImports().addAll(submodule.getModuleImports());
440 module.getAugments().addAll(submodule.getAugments());
441 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
442 module.getAllAugments().addAll(submodule.getAllAugments());
443 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
444 module.getChildNodes().addAll(submodule.getChildNodes());
445 module.getGroupings().addAll(submodule.getGroupings());
446 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
447 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
448 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
449 module.getUsesNodes().addAll(submodule.getUsesNodes());
450 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
451 module.getAllGroupings().addAll(submodule.getAllGroupings());
452 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
453 module.getRpcs().addAll(submodule.getRpcs());
454 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
455 module.getNotifications().addAll(submodule.getNotifications());
456 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
457 module.getIdentities().addAll(submodule.getIdentities());
458 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
459 module.getFeatures().addAll(submodule.getFeatures());
460 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
461 module.getDeviations().addAll(submodule.getDeviations());
462 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
463 module.getExtensions().addAll(submodule.getExtensions());
464 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
465 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
466 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
469 private Map<String, TreeMap<Date, ModuleBuilder>> resolveModuleBuilders(
470 final Collection<ByteSource> yangFileStreams, final SchemaContext context) throws IOException, YangSyntaxErrorException {
471 Map<ByteSource, ModuleBuilder> parsedBuilders = resolveSources(yangFileStreams);
472 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
473 parsedBuilders.values().toArray(builders);
475 // module dependency graph sorted
476 List<ModuleBuilder> sorted;
477 if (context == null) {
478 sorted = ModuleDependencySort.sort(builders);
480 sorted = ModuleDependencySort.sortWithContext(context, builders);
482 return orderModules(sorted);
486 * Order modules by name and revision.
490 * @return modules ordered by name and revision
492 private LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> orderModules(final List<ModuleBuilder> modules) {
493 final LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
494 for (final ModuleBuilder builder : modules) {
495 if (builder == null) {
498 final String builderName = builder.getName();
499 Date builderRevision = builder.getRevision();
500 if (builderRevision == null) {
501 builderRevision = new Date(0L);
503 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(builderName);
504 if (builderByRevision == null) {
505 builderByRevision = new TreeMap<>();
507 builderByRevision.put(builderRevision, builder);
508 result.put(builderName, builderByRevision);
514 * Find {@code main} dependencies from {@code other} and add them to
522 * collection to fill up
524 private void filterImports(final ModuleBuilder main, final Collection<ModuleBuilder> other, final Collection<ModuleBuilder> filtered) {
525 Set<ModuleImport> imports = main.getModuleImports();
527 // if this is submodule, add parent to filtered and pick its imports
528 if (main.isSubmodule()) {
529 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
530 for (ModuleBuilder mb : other) {
531 if (mb.getName().equals(main.getBelongsTo())) {
532 dependencies.put(mb.getRevision(), mb);
535 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
536 filtered.add(parent);
537 imports.addAll(parent.getModuleImports());
540 for (ModuleImport mi : imports) {
541 for (ModuleBuilder builder : other) {
542 if (mi.getModuleName().equals(builder.getModuleName())) {
543 if (mi.getRevision() == null) {
544 if (!filtered.contains(builder)) {
545 filtered.add(builder);
546 filterImports(builder, other, filtered);
549 if (mi.getRevision().equals(builder.getRevision())) {
550 if (!filtered.contains(builder)) {
551 filtered.add(builder);
552 filterImports(builder, other, filtered);
561 private Map<ByteSource, ParseTree> parseYangSources(final Collection<ByteSource> sources) throws IOException, YangSyntaxErrorException {
562 final Map<ByteSource, ParseTree> trees = new HashMap<>();
563 for (ByteSource source : sources) {
564 trees.put(source, parseYangSource(source));
569 private YangContext parseYangSource(final ByteSource source) throws IOException, YangSyntaxErrorException {
570 try (InputStream stream = source.openStream()) {
571 final ANTLRInputStream input = new ANTLRInputStream(stream);
572 final YangLexer lexer = new YangLexer(input);
573 final CommonTokenStream tokens = new CommonTokenStream(lexer);
574 final YangParser parser = new YangParser(tokens);
575 parser.removeErrorListeners();
577 final YangErrorListener errorListener = new YangErrorListener();
578 parser.addErrorListener(errorListener);
580 final YangContext result = parser.yang();
581 errorListener.validate();
587 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
588 YangContext result = null;
590 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
591 final YangLexer lexer = new YangLexer(input);
592 final CommonTokenStream tokens = new CommonTokenStream(lexer);
593 final YangParser parser = new YangParser(tokens);
594 parser.removeErrorListeners();
595 result = parser.yang();
596 } catch (IOException e) {
597 LOG.warn("Exception while reading yang file: " + yangStream, e);
603 * Creates builder-to-module map based on given modules. Method first
604 * resolve unresolved type references, instantiate groupings through uses
605 * statements and perform augmentation.
607 * Node resolving must be performed in following order:
610 * unresolved type references</li>
612 * uses in groupings</li>
614 * uses in other nodes</li>
621 * @return modules mapped on their builders
623 private Map<ModuleBuilder, Module> build(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
624 resolveDirtyNodes(modules);
625 resolveAugmentsTargetPath(modules, null);
626 resolveUsesTargetGrouping(modules, null);
627 resolveUsesForGroupings(modules, null);
628 resolveUsesForNodes(modules, null);
629 resolveAugments(modules, null);
630 resolveIdentities(modules);
631 resolveDeviations(modules);
634 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
635 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
636 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
637 final ModuleBuilder moduleBuilder = childEntry.getValue();
638 final Module module = moduleBuilder.build();
639 result.put(moduleBuilder, module);
646 * Creates builder-to-module map based on given modules. Method first
647 * resolve unresolved type references, instantiate groupings through uses
648 * statements and perform augmentation.
650 * Node resolving must be performed in following order:
653 * unresolved type references</li>
655 * uses in groupings</li>
657 * uses in other nodes</li>
665 * SchemaContext containing already resolved modules
666 * @return modules mapped on their builders
668 private Map<ModuleBuilder, Module> buildWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
669 final SchemaContext context) {
670 resolvedDirtyNodesWithContext(modules, context);
671 resolveAugmentsTargetPath(modules, context);
672 resolveUsesTargetGrouping(modules, context);
673 resolveUsesForGroupings(modules, context);
674 resolveUsesForNodes(modules, context);
675 resolveAugments(modules, context);
676 resolveIdentitiesWithContext(modules, context);
677 resolveDeviationsWithContext(modules, context);
680 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
681 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
682 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
683 final ModuleBuilder moduleBuilder = childEntry.getValue();
684 final Module module = moduleBuilder.build();
685 result.put(moduleBuilder, module);
692 * Resolve all unresolved type references.
697 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
698 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
699 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
700 final ModuleBuilder module = childEntry.getValue();
701 resolveUnknownNodes(modules, module);
702 resolveDirtyNodes(modules, module);
708 * Resolve all unresolved type references.
713 * SchemaContext containing already resolved modules
715 private void resolvedDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
716 final SchemaContext context) {
717 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
718 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
719 final ModuleBuilder module = childEntry.getValue();
720 resolveUnknownNodesWithContext(modules, module, context);
721 resolveDirtyNodesWithContext(modules, module, context);
727 * Search for dirty nodes (node which contains UnknownType) and resolve
731 * all available modules
735 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
736 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
737 if (!dirtyNodes.isEmpty()) {
738 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
739 if (nodeToResolve instanceof UnionTypeBuilder) {
740 // special handling for union types
741 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
742 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
743 // special handling for identityref types
744 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
745 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
747 if (identity == null) {
748 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
750 idref.setBaseIdentity(identity);
751 nodeToResolve.setType(idref.build());
753 resolveType(nodeToResolve, modules, module);
759 private void resolveDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
760 final ModuleBuilder module, final SchemaContext context) {
761 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
762 if (!dirtyNodes.isEmpty()) {
763 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
764 if (nodeToResolve instanceof UnionTypeBuilder) {
765 // special handling for union types
766 resolveTypeUnionWithContext((UnionTypeBuilder) nodeToResolve, modules, module, context);
767 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
768 // special handling for identityref types
769 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
770 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
772 idref.setBaseIdentity(identity);
773 nodeToResolve.setType(idref.build());
775 resolveTypeWithContext(nodeToResolve, modules, module, context);
782 * Traverse through augmentations of modules and fix their child nodes
788 * SchemaContext containing already resolved modules
790 private void resolveAugmentsTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
791 final SchemaContext context) {
792 // collect augments from all loaded modules
793 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
794 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
795 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
796 allAugments.addAll(inner.getValue().getAllAugments());
800 for (AugmentationSchemaBuilder augment : allAugments) {
801 setCorrectAugmentTargetPath(modules, augment, context);
806 * Find augment target and set correct schema path for all its child nodes.
813 * SchemaContext containing already resolved modules
815 private void setCorrectAugmentTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
816 final AugmentationSchemaBuilder augment, final SchemaContext context) {
817 ModuleBuilder module = ParserUtils.getParentModule(augment);
818 SchemaPath oldSchemaPath = augment.getTargetPath();
819 List<QName> oldPath = oldSchemaPath.getPath();
820 List<QName> newPath = new ArrayList<>();
822 Builder parent = augment.getParent();
823 if (parent instanceof UsesNodeBuilder) {
824 DataNodeContainerBuilder usesParent = ((UsesNodeBuilder) parent).getParent();
825 newPath.addAll(usesParent.getPath().getPath());
830 QName baseQName = usesParent.getQName();
831 if (baseQName == null) {
832 ModuleBuilder m = ParserUtils.getParentModule(usesParent);
833 ns = m.getNamespace();
834 revision = m.getRevision();
835 prefix = m.getPrefix();
837 ns = baseQName.getNamespace();
838 revision = baseQName.getRevision();
839 prefix = baseQName.getPrefix();
842 for (QName qn : oldSchemaPath.getPath()) {
843 newPath.add(new QName(ns, revision, prefix, qn.getLocalName()));
846 for (QName qn : oldPath) {
847 URI ns = module.getNamespace();
848 Date rev = module.getRevision();
849 String localPrefix = qn.getPrefix();
850 if (localPrefix != null && !("".equals(localPrefix))) {
851 ModuleBuilder currentModule = ParserUtils.findModuleFromBuilders(modules, module, localPrefix,
853 if (currentModule == null) {
854 Module m = ParserUtils.findModuleFromContext(context, module, localPrefix, augment.getLine());
856 throw new YangParseException(module.getName(), augment.getLine(), "Module with prefix "
857 + localPrefix + " not found.");
859 ns = m.getNamespace();
860 rev = m.getRevision();
862 ns = currentModule.getNamespace();
863 rev = currentModule.getRevision();
866 newPath.add(new QName(ns, rev, localPrefix, qn.getLocalName()));
869 augment.setTargetNodeSchemaPath(SchemaPath.create(newPath, true));
871 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
872 correctPathForAugmentNodes(childNode, augment.getTargetNodeSchemaPath());
877 * Set new schema path to node and all its child nodes based on given parent
878 * path. This method do not change the namespace.
881 * node which schema path should be updated
883 * schema path of parent node
885 private void correctPathForAugmentNodes(final DataSchemaNodeBuilder node, final SchemaPath parentPath) {
886 SchemaPath newPath = parentPath.createChild(node.getQName());
887 node.setPath(newPath);
888 if (node instanceof DataNodeContainerBuilder) {
889 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
890 correctPathForAugmentNodes(child, node.getPath());
893 if (node instanceof ChoiceBuilder) {
894 for (ChoiceCaseBuilder child : ((ChoiceBuilder)node).getCases()) {
895 correctPathForAugmentNodes(child, node.getPath());
901 * Check augments for mandatory nodes. If the target node is in another
902 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
903 * If mandatory node is found, throw an exception.
908 private void checkAugmentMandatoryNodes(final Collection<AugmentationSchemaBuilder> augments) {
909 for (AugmentationSchemaBuilder augment : augments) {
910 String augmentPrefix = augment.getTargetPath().getPath().get(0).getPrefix();
911 ModuleBuilder module = ParserUtils.getParentModule(augment);
912 String modulePrefix = module.getPrefix();
914 if (augmentPrefix == null || augmentPrefix.isEmpty() || augmentPrefix.equals(modulePrefix)) {
918 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
919 if (childNode.getConstraints().isMandatory()) {
920 throw new YangParseException(augment.getModuleName(), augment.getLine(),
921 "Error in augment parsing: cannot augment mandatory node "
922 + childNode.getQName().getLocalName());
929 * Go through all augment definitions and resolve them.
934 * SchemaContext containing already resolved modules
936 private void resolveAugments(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
937 List<ModuleBuilder> all = new ArrayList<>();
938 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
939 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
940 all.add(inner.getValue());
944 List<ModuleBuilder> sorted;
945 if (context == null) {
946 sorted = ModuleDependencySort.sort(all.toArray(new ModuleBuilder[all.size()]));
948 sorted = ModuleDependencySort.sortWithContext(context, all.toArray(new ModuleBuilder[all.size()]));
951 for (ModuleBuilder mb : sorted) {
953 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
954 checkAugmentMandatoryNodes(augments);
955 Collections.sort(augments, Comparators.AUGMENT_COMP);
956 for (AugmentationSchemaBuilder augment : augments) {
957 if (!(augment.isResolved())) {
958 boolean resolved = resolveAugment(augment, mb, modules, context);
960 throw new YangParseException(augment.getModuleName(), augment.getLine(),
961 "Error in augment parsing: failed to find augment target: " + augment);
970 * Perform augmentation defined under uses statement.
979 * SchemaContext containing already resolved modules
980 * @return true if augment process succeed
982 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
983 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
984 if (augment.isResolved()) {
988 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
989 DataNodeContainerBuilder parentNode = usesNode.getParent();
990 SchemaNodeBuilder targetNode;
991 if (parentNode instanceof ModuleBuilder) {
992 targetNode = findSchemaNodeInModule(augment.getTargetPath().getPath(), (ModuleBuilder) parentNode);
994 targetNode = findSchemaNode(augment.getTargetPath().getPath(), (SchemaNodeBuilder) parentNode);
997 if (targetNode instanceof AugmentationTargetBuilder) {
998 fillAugmentTarget(augment, targetNode);
999 ((AugmentationTargetBuilder) targetNode).addAugmentation(augment);
1000 augment.setResolved(true);
1003 throw new YangParseException(module.getName(), augment.getLine(),
1004 "Failed to resolve augment in uses. Invalid augment target: " + targetNode);
1009 * Find augment target module and perform augmentation.
1012 * augment to resolve
1016 * all loaded modules
1018 * SchemaContext containing already resolved modules
1019 * @return true if augment process succeed
1021 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
1022 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1023 if (augment.isResolved()) {
1027 List<QName> targetPath = augment.getTargetPath().getPath();
1028 ModuleBuilder targetModule = findTargetModule(targetPath.get(0), module, modules, context, augment.getLine());
1029 if (targetModule == null) {
1030 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
1034 return processAugmentation(augment, targetModule);
1038 * Find module from loaded modules or from context based on given qname. If
1039 * module is found in context, create wrapper over this module and add it to
1040 * collection of loaded modules.
1046 * all loaded modules
1053 private ModuleBuilder findTargetModule(final QName qname, final ModuleBuilder module,
1054 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
1055 ModuleBuilder targetModule = null;
1057 String prefix = qname.getPrefix();
1058 if (prefix == null || prefix.equals("")) {
1059 targetModule = module;
1061 targetModule = findModuleFromBuilders(modules, module, qname.getPrefix(), line);
1064 if (targetModule == null && context != null) {
1065 Module m = findModuleFromContext(context, module, prefix, line);
1066 targetModule = new ModuleBuilder(m);
1067 DataSchemaNode firstNode = m.getDataChildByName(qname.getLocalName());
1068 DataSchemaNodeBuilder firstNodeWrapped = wrapChildNode(targetModule.getModuleName(), line, firstNode,
1069 targetModule.getPath(), firstNode.getQName());
1070 targetModule.addChildNode(firstNodeWrapped);
1072 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
1073 map.put(targetModule.getRevision(), targetModule);
1074 modules.put(targetModule.getModuleName(), map);
1077 return targetModule;
1080 private ModuleBuilder findTargetModule(final String prefix, final ModuleBuilder module,
1081 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
1082 ModuleBuilder targetModule = null;
1084 if (prefix == null || prefix.equals("")) {
1085 targetModule = module;
1087 targetModule = findModuleFromBuilders(modules, module, prefix, line);
1090 if (targetModule == null && context != null) {
1091 Module m = findModuleFromContext(context, module, prefix, line);
1093 targetModule = new ModuleBuilder(m);
1094 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
1095 map.put(targetModule.getRevision(), targetModule);
1096 modules.put(targetModule.getModuleName(), map);
1100 return targetModule;
1104 * Go through identity statements defined in current module and resolve
1105 * their 'base' statement if present.
1110 * module being resolved
1112 private void resolveIdentities(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1113 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1114 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1115 ModuleBuilder module = inner.getValue();
1116 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1117 for (IdentitySchemaNodeBuilder identity : identities) {
1118 final String baseIdentityName = identity.getBaseIdentityName();
1119 final int line = identity.getLine();
1120 if (baseIdentityName != null) {
1121 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
1122 if (baseIdentity == null) {
1123 throw new YangParseException(module.getName(), identity.getLine(), "Failed to find base identity");
1125 identity.setBaseIdentity(baseIdentity);
1135 * Go through identity statements defined in current module and resolve
1136 * their 'base' statement. Method tries to find base identity in given
1137 * modules. If base identity is not found, method will search it in context.
1140 * all loaded modules
1144 * SchemaContext containing already resolved modules
1146 private void resolveIdentitiesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1147 final SchemaContext context) {
1148 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1149 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1150 ModuleBuilder module = inner.getValue();
1151 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
1152 for (IdentitySchemaNodeBuilder identity : identities) {
1153 final String baseIdentityName = identity.getBaseIdentityName();
1154 final int line = identity.getLine();
1155 if (baseIdentityName != null) {
1157 IdentitySchemaNodeBuilder result = null;
1158 if (baseIdentityName.contains(":")) {
1159 String[] splittedBase = baseIdentityName.split(":");
1160 if (splittedBase.length > 2) {
1161 throw new YangParseException(module.getName(), line,
1162 "Failed to parse identityref base: " + baseIdentityName);
1164 String prefix = splittedBase[0];
1165 String name = splittedBase[1];
1166 ModuleBuilder dependentModule = findTargetModule(prefix, module, modules, context, line);
1167 if (dependentModule != null) {
1168 result = ParserUtils.findIdentity(dependentModule.getAddedIdentities(), name);
1171 result = ParserUtils.findIdentity(module.getAddedIdentities(), baseIdentityName);
1173 identity.setBaseIdentity(result);
1181 * Find and add reference of uses target grouping.
1184 * all loaded modules
1186 * SchemaContext containing already resolved modules or null if
1187 * context is not available
1189 private void resolveUsesTargetGrouping(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1190 final SchemaContext context) {
1191 final List<UsesNodeBuilder> allUses = new ArrayList<>();
1192 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1193 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1194 allUses.addAll(inner.getValue().getAllUsesNodes());
1197 for (UsesNodeBuilder usesNode : allUses) {
1198 ModuleBuilder module = ParserUtils.getParentModule(usesNode);
1199 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
1201 if (targetGroupingBuilder == null) {
1202 if (context == null) {
1203 throw new YangParseException(module.getName(), usesNode.getLine(), "Referenced grouping '"
1204 + usesNode.getGroupingPathAsString() + "' not found.");
1206 GroupingDefinition targetGroupingDefinition = GroupingUtils.getTargetGroupingFromContext(usesNode,
1208 usesNode.setGroupingDefinition(targetGroupingDefinition);
1211 usesNode.setGrouping(targetGroupingBuilder);
1217 * Resolve uses statements defined in groupings.
1220 * all loaded modules
1222 * SchemaContext containing already resolved modules
1224 private void resolveUsesForGroupings(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1225 final Set<GroupingBuilder> allGroupings = new HashSet<>();
1226 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1227 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1228 ModuleBuilder module = inner.getValue();
1229 allGroupings.addAll(module.getAllGroupings());
1232 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
1233 for (GroupingBuilder gb : sorted) {
1234 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
1235 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1236 for (UsesNodeBuilder usesNode : usesNodes) {
1237 resolveUses(usesNode, modules, context);
1243 * Resolve uses statements.
1246 * all loaded modules
1248 * SchemaContext containing already resolved modules
1250 private void resolveUsesForNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1251 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1252 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1253 ModuleBuilder module = inner.getValue();
1254 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
1255 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1256 for (UsesNodeBuilder usesNode : usesNodes) {
1257 resolveUses(usesNode, modules, context);
1264 * Find target grouping and copy its child nodes to current location with
1268 * uses node to resolve
1270 * all loaded modules
1272 * SchemaContext containing already resolved modules
1274 private void resolveUses(final UsesNodeBuilder usesNode,
1275 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1276 if (!usesNode.isResolved()) {
1277 DataNodeContainerBuilder parent = usesNode.getParent();
1278 ModuleBuilder module = ParserUtils.getParentModule(parent);
1279 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
1280 if (target == null) {
1281 resolveUsesWithContext(usesNode);
1282 usesNode.setResolved(true);
1283 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1284 resolveUsesAugment(augment, module, modules, context);
1287 parent.getChildNodeBuilders().addAll(target.instantiateChildNodes(parent));
1288 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
1289 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
1290 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
1291 usesNode.setResolved(true);
1292 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1293 resolveUsesAugment(augment, module, modules, context);
1296 GroupingUtils.performRefine(usesNode);
1301 * Copy target grouping child nodes to current location with
1305 * uses node to resolve
1307 * all loaded modules
1309 * SchemaContext containing already resolved modules
1311 private void resolveUsesWithContext(final UsesNodeBuilder usesNode) {
1312 final int line = usesNode.getLine();
1313 DataNodeContainerBuilder parent = usesNode.getParent();
1314 ModuleBuilder module = ParserUtils.getParentModule(parent);
1315 SchemaPath parentPath;
1319 if (parent instanceof AugmentationSchemaBuilder || parent instanceof ModuleBuilder) {
1320 ns = module.getNamespace();
1321 rev = module.getRevision();
1322 pref = module.getPrefix();
1323 if (parent instanceof AugmentationSchemaBuilder) {
1324 parentPath = ((AugmentationSchemaBuilder)parent).getTargetNodeSchemaPath();
1326 parentPath = ((ModuleBuilder)parent).getPath();
1329 ns = ((DataSchemaNodeBuilder) parent).getQName().getNamespace();
1330 rev = ((DataSchemaNodeBuilder) parent).getQName().getRevision();
1331 pref = ((DataSchemaNodeBuilder) parent).getQName().getPrefix();
1332 parentPath = ((DataSchemaNodeBuilder)parent).getPath();
1335 GroupingDefinition gd = usesNode.getGroupingDefinition();
1337 Set<DataSchemaNodeBuilder> childNodes = wrapChildNodes(module.getModuleName(), line,
1338 gd.getChildNodes(), parentPath, ns, rev, pref);
1339 parent.getChildNodeBuilders().addAll(childNodes);
1340 for (DataSchemaNodeBuilder childNode : childNodes) {
1341 setNodeAddedByUses(childNode);
1344 Set<TypeDefinitionBuilder> typedefs = wrapTypedefs(module.getModuleName(), line, gd, parentPath, ns,
1346 parent.getTypeDefinitionBuilders().addAll(typedefs);
1347 for (TypeDefinitionBuilder typedef : typedefs) {
1348 setNodeAddedByUses(typedef);
1351 Set<GroupingBuilder> groupings = wrapGroupings(module.getModuleName(), line, usesNode
1352 .getGroupingDefinition().getGroupings(), parentPath, ns, rev, pref);
1353 parent.getGroupingBuilders().addAll(groupings);
1354 for (GroupingBuilder gb : groupings) {
1355 setNodeAddedByUses(gb);
1358 List<UnknownSchemaNodeBuilder> unknownNodes = wrapUnknownNodes(module.getModuleName(), line,
1359 gd.getUnknownSchemaNodes(), parentPath, ns, rev, pref);
1360 parent.getUnknownNodes().addAll(unknownNodes);
1361 for (UnknownSchemaNodeBuilder un : unknownNodes) {
1362 un.setAddedByUses(true);
1367 * Try to find extension builder describing this unknown node and assign it
1368 * to unknown node builder.
1371 * all loaded modules
1375 private void resolveUnknownNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1376 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1377 QName nodeType = usnb.getNodeType();
1379 ModuleBuilder dependentModule = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1381 for (ExtensionBuilder extension : dependentModule.getAddedExtensions()) {
1382 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1383 usnb.setNodeType(extension.getQName());
1384 usnb.setExtensionBuilder(extension);
1388 } catch (YangParseException e) {
1389 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1390 + ": no such extension definition found.", e);
1396 * Try to find extension builder describing this unknown node and assign it
1397 * to unknown node builder. If extension is not found in loaded modules, try
1398 * to find it in context.
1401 * all loaded modules
1405 * SchemaContext containing already resolved modules
1407 private void resolveUnknownNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1408 final ModuleBuilder module, final SchemaContext context) {
1409 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1410 QName nodeType = usnb.getNodeType();
1412 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1415 if (dependentModuleBuilder == null) {
1416 Module dependentModule = findModuleFromContext(context, module, nodeType.getPrefix(),
1418 for (ExtensionDefinition e : dependentModule.getExtensionSchemaNodes()) {
1419 if (e.getQName().getLocalName().equals(nodeType.getLocalName())) {
1420 usnb.setNodeType(new QName(e.getQName().getNamespace(), e.getQName().getRevision(),
1421 nodeType.getPrefix(), e.getQName().getLocalName()));
1422 usnb.setExtensionDefinition(e);
1427 for (ExtensionBuilder extension : dependentModuleBuilder.getAddedExtensions()) {
1428 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1429 usnb.setExtensionBuilder(extension);
1435 } catch (YangParseException e) {
1436 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1437 + ": no such extension definition found.", e);
1444 * Traverse through modules and resolve their deviation statements.
1447 * all loaded modules
1449 private void resolveDeviations(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1450 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1451 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1452 ModuleBuilder b = inner.getValue();
1453 resolveDeviation(modules, b);
1459 * Traverse through module and resolve its deviation statements.
1462 * all loaded modules
1464 * module in which resolve deviations
1466 private void resolveDeviation(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1467 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1468 int line = dev.getLine();
1469 SchemaPath targetPath = dev.getTargetPath();
1470 List<QName> path = targetPath.getPath();
1471 QName q0 = path.get(0);
1472 String prefix = q0.getPrefix();
1473 if (prefix == null) {
1474 prefix = module.getPrefix();
1477 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1478 processDeviation(dev, dependentModuleBuilder, path, module);
1483 * Traverse through modules and resolve their deviation statements with
1487 * all loaded modules
1489 * already resolved context
1491 private void resolveDeviationsWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1492 final SchemaContext context) {
1493 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1494 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1495 ModuleBuilder b = inner.getValue();
1496 resolveDeviationWithContext(modules, b, context);
1502 * Traverse through module and resolve its deviation statements with given
1506 * all loaded modules
1508 * module in which resolve deviations
1510 * already resolved context
1512 private void resolveDeviationWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1513 final ModuleBuilder module, final SchemaContext context) {
1514 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1515 int line = dev.getLine();
1516 SchemaPath targetPath = dev.getTargetPath();
1517 List<QName> path = targetPath.getPath();
1518 QName q0 = path.get(0);
1519 String prefix = q0.getPrefix();
1520 if (prefix == null) {
1521 prefix = module.getPrefix();
1524 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1525 if (dependentModuleBuilder == null) {
1526 Object currentParent = findModuleFromContext(context, module, prefix, line);
1528 for (QName q : path) {
1529 if (currentParent == null) {
1530 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1532 String name = q.getLocalName();
1533 if (currentParent instanceof DataNodeContainer) {
1534 currentParent = ((DataNodeContainer) currentParent).getDataChildByName(name);
1538 if (currentParent == null) {
1539 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1541 if (currentParent instanceof SchemaNode) {
1542 dev.setTargetPath(((SchemaNode) currentParent).getPath());
1546 processDeviation(dev, dependentModuleBuilder, path, module);
1552 * Correct deviation target path in deviation builder.
1556 * @param dependentModuleBuilder
1557 * module containing deviation target
1559 * current deviation target path
1563 private void processDeviation(final DeviationBuilder dev, final ModuleBuilder dependentModuleBuilder,
1564 final List<QName> path, final ModuleBuilder module) {
1565 final int line = dev.getLine();
1566 Builder currentParent = dependentModuleBuilder;
1568 for (QName q : path) {
1569 if (currentParent == null) {
1570 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1572 String name = q.getLocalName();
1573 if (currentParent instanceof DataNodeContainerBuilder) {
1574 currentParent = ((DataNodeContainerBuilder) currentParent).getDataChildByName(name);
1578 if (!(currentParent instanceof SchemaNodeBuilder)) {
1579 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1581 dev.setTargetPath(((SchemaNodeBuilder) currentParent).getPath());