Examples with TokenRewriteStream org.antlr.runtime.TokenRewriteStream used on opensource projects

Example 11 with TokenRewriteStream

use of org.antlr.runtime.TokenRewriteStream in project hive by apache.

the class ParseDriver method parseTriggerActionExpression.

public ASTNode parseTriggerActionExpression(String command) throws ParseException {
    HiveLexerX lexer = new HiveLexerX(new ANTLRNoCaseStringStream(command));
    TokenRewriteStream tokens = new TokenRewriteStream(lexer);
    HiveParser parser = new HiveParser(tokens);
    parser.setTreeAdaptor(adaptor);
    HiveParser_ResourcePlanParser.triggerActionExpressionStandalone_return r = null;
    try {
        r = parser.gResourcePlanParser.triggerActionExpressionStandalone();
    } catch (RecognitionException e) {
        e.printStackTrace();
        throw new ParseException(parser.errors);
    }
    if (lexer.getErrors().size() != 0) {
        throw new ParseException(lexer.getErrors());
    } else if (parser.errors.size() != 0) {
        throw new ParseException(parser.errors);
    }
    return r.getTree();
}