*/
package org.opendaylight.yangtools.yang.parser.impl;
+import com.google.common.base.Verify;
import java.util.ArrayList;
import java.util.List;
-
import javax.annotation.concurrent.Immutable;
-
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser;
+import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.ArgumentContext;
+import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.KeywordContext;
+import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParser.StatementContext;
import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementParserBaseListener;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.YangConstants;
-import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
import org.opendaylight.yangtools.yang.parser.spi.source.DeclarationInTextSource;
import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
import org.opendaylight.yangtools.yang.parser.spi.source.StatementWriter;
-import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.Utils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
@Immutable
public class YangStatementParserListenerImpl extends YangStatementParserBaseListener {
-
- private StatementWriter writer;
- private String sourceName;
+ private final List<String> toBeSkipped = new ArrayList<>();
+ private final String sourceName;
private QNameToStatementDefinition stmtDef;
private PrefixToModule prefixes;
- private List<String> toBeSkipped = new ArrayList<>();
- private boolean isType = false;
- private static final Logger LOG = LoggerFactory.getLogger(YangStatementParserListenerImpl.class);
+ private StatementWriter writer;
- public YangStatementParserListenerImpl(String sourceName) {
+ public YangStatementParserListenerImpl(final String sourceName) {
this.sourceName = sourceName;
- // TODO
- // this.sourceName = Preconditions.checkNotNull(sourceName, "YangStatementParserListenerImpl#sourceName cannot "
- // + "be null");
}
- public void setAttributes(StatementWriter writer, QNameToStatementDefinition stmtDef) {
+ public void setAttributes(final StatementWriter writer, final QNameToStatementDefinition stmtDef) {
this.writer = writer;
this.stmtDef = stmtDef;
}
- public void setAttributes(StatementWriter writer, QNameToStatementDefinition stmtDef, PrefixToModule prefixes) {
+ public void setAttributes(final StatementWriter writer, final QNameToStatementDefinition stmtDef, final PrefixToModule prefixes) {
this.writer = writer;
this.stmtDef = stmtDef;
this.prefixes = prefixes;
}
@Override
- public void enterStatement(YangStatementParser.StatementContext ctx) {
- final StatementSourceReference ref = DeclarationInTextSource.atPosition(sourceName, ctx.getStart().getLine(),
- ctx.getStart().getCharPositionInLine());
- boolean action = true;
- QName identifier;
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof YangStatementParser.KeywordContext) {
- try {
- identifier = new QName(YangConstants.RFC6020_YIN_NAMESPACE,
- ((YangStatementParser.KeywordContext) child).children.get(0).getText());
- if (stmtDef != null && Utils.isValidStatementDefinition(prefixes, stmtDef, identifier)
- && toBeSkipped.isEmpty()) {
- if (identifier.equals(Rfc6020Mapping.TYPE.getStatementName())) {
- isType = true;
- } else {
- writer.startStatement(identifier, ref);
- }
- } else {
- if (writer.getPhase().equals(ModelProcessingPhase.FULL_DECLARATION)) {
- throw new IllegalArgumentException(identifier.getLocalName() + " is not a YANG statement "
- + "or use of extension. Source: " + ref);
- }
- else {
- action = false;
- toBeSkipped.add(((YangStatementParser.KeywordContext) child).children.get(0).getText());
- }
- }
- } catch (SourceException e) {
- LOG.warn(e.getMessage(), e);
- }
- } else if (child instanceof YangStatementParser.ArgumentContext) {
- try {
- final String argument = Utils.stringFromStringContext((YangStatementParser.ArgumentContext) child);
- if (isType) {
- if (TypeUtils.isYangTypeBodyStmt(argument)) {
- writer.startStatement(new QName(YangConstants.RFC6020_YIN_NAMESPACE, argument), ref);
- } else {
- writer.startStatement(new QName(YangConstants.RFC6020_YIN_NAMESPACE, Rfc6020Mapping.TYPE
- .getStatementName().getLocalName()), ref);
- }
- writer.argumentValue(argument, ref);
- isType = false;
- } else if (action) {
- writer.argumentValue(
- Utils.stringFromStringContext((YangStatementParser.ArgumentContext) child), ref);
- } else {
- action = true;
- }
- } catch (SourceException e) {
- LOG.warn(e.getMessage(), e);
- }
- }
+ public void enterStatement(final StatementContext ctx) {
+ final StatementSourceReference ref = DeclarationInTextSource.atPosition(sourceName, ctx
+ .getStart().getLine(), ctx.getStart().getCharPositionInLine());
+ final String keywordTxt = Verify.verifyNotNull(ctx.getChild(KeywordContext.class, 0)).getText();
+ final QName identifier = QName.create(YangConstants.RFC6020_YIN_MODULE, keywordTxt);
+ final QName validStatementDefinition = Utils.getValidStatementDefinition(prefixes, stmtDef, identifier);
+ if (stmtDef == null || validStatementDefinition == null || !toBeSkipped.isEmpty()) {
+ SourceException.throwIf(writer.getPhase() == ModelProcessingPhase.FULL_DECLARATION, ref,
+ "%s is not a YANG statement or use of extension.", keywordTxt);
+ toBeSkipped.add(keywordTxt);
+ return;
}
+
+ final ArgumentContext argumentCtx = ctx.getChild(ArgumentContext.class, 0);
+ final String argument = argumentCtx != null ? Utils.stringFromStringContext(argumentCtx) : null;
+ writer.startStatement(validStatementDefinition, argument, ref);
}
@Override
- public void exitStatement(YangStatementParser.StatementContext ctx) {
- final StatementSourceReference ref = DeclarationInTextSource.atPosition(sourceName, ctx.getStart().getLine(),
- ctx.getStart().getCharPositionInLine());
- for (int i = 0; i < ctx.getChildCount(); i++) {
- ParseTree child = ctx.getChild(i);
- if (child instanceof YangStatementParser.KeywordContext) {
- try {
- String statementName = ((YangStatementParser.KeywordContext) child).children.get(0).getText();
- QName identifier = new QName(YangConstants.RFC6020_YIN_NAMESPACE, statementName);
- if (stmtDef != null && Utils.isValidStatementDefinition(prefixes, stmtDef, identifier)
- && toBeSkipped.isEmpty()) {
- writer.endStatement(ref);
- }
+ public void exitStatement(final StatementContext ctx) {
+ final StatementSourceReference ref = DeclarationInTextSource.atPosition(
+ sourceName, ctx.getStart().getLine(), ctx.getStart().getCharPositionInLine());
- if (toBeSkipped.contains(statementName)) {
- toBeSkipped.remove(statementName);
- }
- } catch (SourceException e) {
- LOG.warn(e.getMessage(), e);
- }
- }
+ KeywordContext keyword = ctx.getChild(KeywordContext.class, 0);
+ String statementName = keyword.getText();
+ QName identifier = QName.create(YangConstants.RFC6020_YIN_MODULE, statementName);
+ if (stmtDef != null && Utils.getValidStatementDefinition(prefixes, stmtDef, identifier) != null
+ && toBeSkipped.isEmpty()) {
+ writer.endStatement(ref);
}
+
+ // No-op if the statement is not on the list
+ toBeSkipped.remove(statementName);
}
}