2 * Copyright (c) 2015 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 com.google.common.base.Preconditions;
11 import com.google.common.base.Verify;
12 import java.util.ArrayList;
13 import java.util.List;
14 import javax.annotation.concurrent.Immutable;
15 import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.ArgumentContext;
16 import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.KeywordContext;
17 import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.StatementContext;
18 import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParserBaseListener;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.common.YangConstants;
21 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
23 import org.opendaylight.yangtools.yang.parser.spi.source.DeclarationInTextSource;
24 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
25 import org.opendaylight.yangtools.yang.parser.spi.source.QNameToStatementDefinition;
26 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
27 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
28 import org.opendaylight.yangtools.yang.parser.spi.source.StatementWriter;
29 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
30 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.Utils;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
35 public class YangStatementParserListenerImpl extends YangStatementParserBaseListener {
36 private static final Logger LOG = LoggerFactory.getLogger(YangStatementParserListenerImpl.class);
38 private final List<String> toBeSkipped = new ArrayList<>();
39 private final String sourceName;
40 private QNameToStatementDefinition stmtDef;
41 private PrefixToModule prefixes;
42 private StatementWriter writer;
44 public YangStatementParserListenerImpl(final String sourceName) {
45 this.sourceName = sourceName;
48 public void setAttributes(final StatementWriter writer, final QNameToStatementDefinition stmtDef) {
50 this.stmtDef = stmtDef;
53 public void setAttributes(final StatementWriter writer, final QNameToStatementDefinition stmtDef, final PrefixToModule prefixes) {
55 this.stmtDef = stmtDef;
56 this.prefixes = prefixes;
60 public void enterStatement(final StatementContext ctx) {
61 final StatementSourceReference ref = DeclarationInTextSource.atPosition(sourceName, ctx
62 .getStart().getLine(), ctx.getStart().getCharPositionInLine());
63 final KeywordContext keywordCtx = Verify.verifyNotNull(ctx.getChild(KeywordContext.class, 0));
64 final ArgumentContext argumentCtx = ctx.getChild(ArgumentContext.class, 0);
65 final String keywordTxt = keywordCtx.getText();
67 // FIXME: This is broken for extensions - not all statements are in RFC6020 ns.
68 final QName identifier = QName.create(YangConstants.RFC6020_YIN_MODULE, keywordTxt);
69 if (stmtDef != null && Utils.isValidStatementDefinition(prefixes, stmtDef, identifier)
70 && toBeSkipped.isEmpty()) {
71 final String argument = argumentCtx != null ? Utils.stringFromStringContext(argumentCtx) : null;
72 // FIXME: this looks like a fishy special case
73 if (identifier.equals(Rfc6020Mapping.TYPE.getStatementName())) {
74 Preconditions.checkArgument(argument != null);
75 if (TypeUtils.isYangTypeBodyStmtString(argument)) {
76 writer.startStatement(QName.create(YangConstants.RFC6020_YIN_MODULE, argument), ref);
78 writer.startStatement(QName.create(YangConstants.RFC6020_YIN_MODULE, Rfc6020Mapping
79 .TYPE.getStatementName().getLocalName()), ref);
81 writer.argumentValue(argument, ref);
83 writer.startStatement(identifier, ref);
84 if(argument != null) {
85 writer.argumentValue(argument, ref);
89 Preconditions.checkArgument(writer.getPhase() != ModelProcessingPhase.FULL_DECLARATION,
90 "%s is not a YANG statement or use of extension. Source: %s", identifier.getLocalName(), ref);
91 toBeSkipped.add(keywordTxt);
96 public void exitStatement(final StatementContext ctx) {
97 final StatementSourceReference ref = DeclarationInTextSource.atPosition(
98 sourceName, ctx.getStart().getLine(), ctx.getStart().getCharPositionInLine());
101 KeywordContext keyword = ctx.getChild(KeywordContext.class, 0);
102 String statementName = keyword.getText();
103 QName identifier = QName.create(YangConstants.RFC6020_YIN_MODULE, statementName);
104 if (stmtDef != null && Utils.isValidStatementDefinition(prefixes, stmtDef, identifier)
105 && toBeSkipped.isEmpty()) {
106 writer.endStatement(ref);
109 // No-op if the statement is not on the list
110 toBeSkipped.remove(statementName);
111 } catch (SourceException e) {
112 LOG.warn(e.getMessage(), e);