Examples with Windowing2Lexer com.sap.hadoop.windowing.parser.Windowing2Lexer used on opensource projects

Example 1 with Windowing2Lexer

use of com.sap.hadoop.windowing.parser.Windowing2Lexer in project SQLWindowing by hbutani.

the class WindowingShell method checkQuery.

public void checkQuery(String query) throws WindowingException {
    Windowing2Lexer lexer;
    CommonTokenStream tokens;
    Windowing2Parser parser = null;
    @SuppressWarnings("unused") CommonTree t;
    //		CommonTreeNodeStream nodes;
    String err;
    try {
        lexer = new Windowing2Lexer(new ANTLRStringStream(query));
        tokens = new CommonTokenStream(lexer);
        parser = new Windowing2Parser(tokens);
        parser.setTreeAdaptor(TranslateUtils.adaptor);
        t = (CommonTree) parser.query().getTree();
        err = parser.getWindowingParseErrors();
        if (err != null) {
            throw new WindowingException(err);
        }
    } catch (Throwable te) {
        err = parser.getWindowingParseErrors();
        if (err != null) {
            throw new WindowingException(err);
        }
        throw new WindowingException("Parse Error:" + te.toString(), te);
    }
}