Examples with Location org.elasticsearch.painless.Location used on opensource projects

Example 16 with Location

use of org.elasticsearch.painless.Location in project elasticsearch by elastic.

the class EnhancedPainlessLexer method recover.

@Override
public void recover(final LexerNoViableAltException lnvae) {
    final CharStream charStream = lnvae.getInputStream();
    final int startIndex = lnvae.getStartIndex();
    final String text = charStream.getText(Interval.of(startIndex, charStream.index()));
    Location location = new Location(sourceName, _tokenStartCharIndex);
    String message = "unexpected character [" + getErrorDisplay(text) + "].";
    char firstChar = text.charAt(0);
    if ((firstChar == '\'' || firstChar == '"') && text.length() - 2 > 0 && text.charAt(text.length() - 2) == '\\') {
        /* Use a simple heuristic to guess if the unrecognized characters were trying to be a string but has a broken escape sequence.
             * If it was add an extra message about valid string escape sequences. */
        message += " The only valid escape sequences in strings starting with [" + firstChar + "] are [\\\\] and [\\" + firstChar + "].";
    }
    throw location.createError(new IllegalArgumentException(message, lnvae));
}

Example 17 with Location

use of org.elasticsearch.painless.Location in project elasticsearch by elastic.

the class ParserErrorStrategy method recover.

@Override
public void recover(final Parser recognizer, final RecognitionException re) {
    final Token token = re.getOffendingToken();
    String message;
    if (token == null) {
        message = "no parse token found.";
    } else if (re instanceof InputMismatchException) {
        message = "unexpected token [" + getTokenErrorDisplay(token) + "]" + " was expecting one of [" + re.getExpectedTokens().toString(recognizer.getVocabulary()) + "].";
    } else if (re instanceof NoViableAltException) {
        if (token.getType() == PainlessParser.EOF) {
            message = "unexpected end of script.";
        } else {
            message = "invalid sequence of tokens near [" + getTokenErrorDisplay(token) + "].";
        }
    } else {
        message = "unexpected token near [" + getTokenErrorDisplay(token) + "].";
    }
    Location location = new Location(sourceName, token == null ? -1 : token.getStartIndex());
    throw location.createError(new IllegalArgumentException(message, re));
}

Example 18 with Location

use of org.elasticsearch.painless.Location in project elasticsearch by elastic.

the class ParserErrorStrategy method recoverInline.

@Override
public Token recoverInline(final Parser recognizer) throws RecognitionException {
    final Token token = recognizer.getCurrentToken();
    final String message = "unexpected token [" + getTokenErrorDisplay(token) + "]" + " was expecting one of [" + recognizer.getExpectedTokens().toString(recognizer.getVocabulary()) + "].";
    Location location = new Location(sourceName, token.getStartIndex());
    throw location.createError(new IllegalArgumentException(message));
}