2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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.rfc7950.stmt.extension;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import java.util.Optional;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.meta.ArgumentDefinition;
16 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
20 import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;
21 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.OverrideChildStatementSupport;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
30 final class UnrecognizedStatementSupport
31 extends AbstractStatementSupport<Object, UnrecognizedStatement, UnrecognizedEffectiveStatement>
32 implements OverrideChildStatementSupport {
33 private final YangParserConfiguration config;
35 UnrecognizedStatementSupport(final StatementDefinition publicDefinition, final YangParserConfiguration config) {
36 // We have no idea about the statement's semantics, hence there should be noone interested in its semantics.
37 // Nevertheless it may be of interest for various hacks to understand there was an extension involved.
38 super(publicDefinition, StatementPolicy.exactReplica(), config);
39 this.config = requireNonNull(config);
43 public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
48 public UnrecognizedStatementSupport statementDefinitionOverrideOf(final StatementDefinition childDef) {
50 * This code wraps statements encountered inside an extension so they do not get confused with regular
53 final QName baseQName = getStatementName();
54 final QName statementName = QName.create(baseQName, childDef.getStatementName().getLocalName());
56 final ModelDefinedStatementDefinition def;
57 final Optional<ArgumentDefinition> optArgDef = childDef.getArgumentDefinition();
58 if (optArgDef.isPresent()) {
59 final ArgumentDefinition argDef = optArgDef.get();
60 def = new ModelDefinedStatementDefinition(statementName, argDef.getArgumentName(), argDef.isYinElement());
62 def = new ModelDefinedStatementDefinition(statementName);
64 return new UnrecognizedStatementSupport(def, config);
68 protected SubstatementValidator getSubstatementValidator() {
69 // We know nothing about this statement
74 protected UnrecognizedStatement createDeclared(final StmtContext<Object, UnrecognizedStatement, ?> ctx,
75 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
76 return new UnrecognizedStatementImpl(ctx.rawArgument(), ctx.publicDefinition(), substatements);
80 protected UnrecognizedStatement attachDeclarationReference(final UnrecognizedStatement stmt,
81 final DeclarationReference reference) {
82 return new RefUnrecognizedStatement(stmt, reference);
85 // createEffective() should never be called, ensure that for each declared statement
88 public void onStatementAdded(final Mutable<Object, UnrecognizedStatement, UnrecognizedEffectiveStatement> stmt) {
89 stmt.setIsSupportedToBuildEffective(false);
93 protected UnrecognizedEffectiveStatement createEffective(final Current<Object, UnrecognizedStatement> stmt,
94 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
95 throw new InferenceException(stmt, "Attempted to instantiate unrecognized effective statement %s",
96 stmt.publicDefinition());