org.antlr.v4.runtime.Parser.getContext()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中org.antlr.v4.runtime.Parser.getContext()方法的一些代码示例，展示了Parser.getContext()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Parser.getContext()方法的具体详情如下：
包路径：org.antlr.v4.runtime.Parser
类名称：Parser
方法名：getContext

Parser.getContext介绍

暂无

代码示例

代码示例来源：origin: prestodb/presto

currentState = atn.states.get(parser.getState());
currentToken = parser.getCurrentToken();
context = parser.getContext();

代码示例来源：origin: apache/incubator-shardingsphere

/**
   * Get matched token by token type.
   *
   * @param tokenType token type
   * @return matched token
   * @throws RecognitionException mismatch throw exception
   */
  public Token getMatchedToken(final int tokenType) throws RecognitionException {
    Token result = parser.getCurrentToken();
    boolean isIdentifierCompatible = false;
    if (identifierTokenIndex == tokenType && identifierTokenIndex > result.getType()) {
      isIdentifierCompatible = true;
    }
    if (result.getType() == tokenType || isIdentifierCompatible) {
      if (Token.EOF != tokenType && isIdentifierCompatible && result instanceof CommonToken) {
        ((CommonToken) result).setType(identifierTokenIndex);
      }
      parser.getErrorHandler().reportMatch(parser);
      parser.consume();
    } else {
      result = parser.getErrorHandler().recoverInline(parser);
      if (parser.getBuildParseTree() && -1 == result.getTokenIndex()) {
        parser.getContext().addErrorNode(parser.createErrorNode(parser.getContext(), result));
      }
    }
    return result;
  }
}

代码示例来源：origin: apache/incubator-shardingsphere

nextTokensContext = recognizer.getContext();
nextTokensState = recognizer.getState();

代码示例来源：origin: org.antlr/antlr4-runtime

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  throw new ParseCancellationException(e);
}

代码示例来源：origin: org.antlr/antlr4-runtime

/**
 * Computes the set of input symbols which could follow the current parser
 * state and context, as given by {@link #getState} and {@link #getContext},
 * respectively.
 *
 * @see ATN#getExpectedTokens(int, RuleContext)
 */
public IntervalSet getExpectedTokens() {
  return getATN().getExpectedTokens(getState(), getContext());
}

代码示例来源：origin: org.antlr/antlr4-runtime

/** Make sure we don't attempt to recover inline; if the parser
 *  successfully recovers, it won't throw an exception.
 */
@Override
public Token recoverInline(Parser recognizer)
  throws RecognitionException
{
  InputMismatchException e = new InputMismatchException(recognizer);
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  throw new ParseCancellationException(e);
}

代码示例来源：origin: org.antlr/antlr4-runtime

nextTokensContext = recognizer.getContext();
nextTokensState = recognizer.getState();

代码示例来源：origin: apache/eagle

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link org.antlr.v4.runtime.misc.ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link org.antlr.v4.runtime.RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  super.recover(recognizer,e);
}

代码示例来源：origin: com.tunnelvisionlabs/antlr4-runtime

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  throw new ParseCancellationException(e);
}

代码示例来源：origin: radkovo/jStyleParser

/**
 * throws RecognitionException to handle in parser's catch block
 */
public Token recoverInline(Parser recognizer) throws RecognitionException {
  throw new RecognitionException(recognizer, recognizer.getInputStream(), recognizer.getContext());
}

代码示例来源：origin: org.apache.eagle/eagle-antlr

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link org.antlr.v4.runtime.misc.ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link org.antlr.v4.runtime.RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  super.recover(recognizer,e);
}

代码示例来源：origin: net.sf.cssbox/jstyleparser

/**
 * throws RecognitionException to handle in parser's catch block
 */
public Token recoverInline(Parser recognizer) throws RecognitionException {
  throw new RecognitionException(recognizer, recognizer.getInputStream(), recognizer.getContext());
}

代码示例来源：origin: uk.co.nichesolutions/antlr4-runtime

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  throw new ParseCancellationException(e);
}

代码示例来源：origin: com.impetus.fabric/fabric-jdbc-driver-shaded

/** Instead of recovering from exception {@code e}, re-throw it wrapped
 *  in a {@link ParseCancellationException} so it is not caught by the
 *  rule function catches.  Use {@link Exception#getCause()} to get the
 *  original {@link RecognitionException}.
 */
@Override
public void recover(Parser recognizer, RecognitionException e) {
  for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
    context.exception = e;
  }
  throw new ParseCancellationException(e);
}

代码示例来源：origin: org.ballerinalang/language-server-core

@Override
public void reportInputMismatch(Parser parser, InputMismatchException e) {
  if (!parser.getContext().start.getTokenSource().getSourceName()
      .equals(context.get(DocumentServiceKeys.RELATIVE_FILE_PATH_KEY).replace("\\", "/"))) {
    return;
  }
  this.context.put(CompletionKeys.TOKEN_STREAM_KEY, parser.getTokenStream());
}

代码示例来源：origin: org.ballerinalang/language-server-core

@Override
public void reportMissingToken(Parser parser) {
  if (!parser.getContext().start.getTokenSource().getSourceName()
      .equals(context.get(DocumentServiceKeys.RELATIVE_FILE_PATH_KEY).replace("\\", "/"))) {
    return;
  }
  this.context.put(CompletionKeys.TOKEN_STREAM_KEY, parser.getTokenStream());
}

代码示例来源：origin: org.ballerinalang/language-server-core

@Override
public void reportNoViableAlternative(Parser parser, NoViableAltException e) {
  if (!parser.getContext().start.getTokenSource().getSourceName()
      .equals(context.get(DocumentServiceKeys.RELATIVE_FILE_PATH_KEY).replace("\\", "/"))) {
    return;
  }
  this.context.put(CompletionKeys.TOKEN_STREAM_KEY, parser.getTokenStream());
}

代码示例来源：origin: org.ballerinalang/ballerina-lang

@Override
public void reportFailedPredicate(Parser parser, FailedPredicateException e) {
  setErrorState(parser);
  DiagnosticPos pos = getPosition(getMissingSymbol(parser));
  if (parser.getContext() instanceof BallerinaParser.ShiftExprPredicateContext) {
    dlog.error(pos, DiagnosticCode.INVALID_SHIFT_OPERATOR);
  } else if (parser.getContext() instanceof BallerinaParser.RestDescriptorPredicateContext) {
    dlog.error(pos, DiagnosticCode.INVALID_RECORD_REST_DESCRIPTOR);
  } else {
    dlog.error(pos, DiagnosticCode.FAILED_PREDICATE, e.getMessage());
  }
}

代码示例来源：origin: org.ballerinalang/ballerina-lang

@Override
public void reportUnwantedToken(Parser parser) {
  if (parser.getContext().exception != null || inErrorRecoveryMode(parser)) {
    return;
  }
  beginErrorCondition(parser);
  setErrorState(parser);
  Token token = parser.getCurrentToken();
  DiagnosticPos pos = getPosition(getMissingSymbol(parser));
  dlog.error(pos, DiagnosticCode.EXTRANEOUS_INPUT, getTokenErrorDisplay(token));
}

代码示例来源：origin: com.ibeetl/beetl

protected void reportFailedPredicate(@NotNull Parser recognizer, @NotNull FailedPredicateException e)
{
  String ruleName = recognizer.getRuleNames()[recognizer.getContext().getRuleIndex()];
  BeetlException exception = new BeetlParserException(BeetlException.PARSER_PREDICATE_ERROR, ruleName, e);
  //		exception.token = this.getGrammarToken(e.getOffendingToken());
  exception.pushToken(this.getGrammarToken(e.getOffendingToken()));
  throw exception;
}

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