Example usage for org.antlr.v4.runtime DiagnosticErrorListener DiagnosticErrorListener

Introduction

In this page you can find the example usage for org.antlr.v4.runtime DiagnosticErrorListener DiagnosticErrorListener.

Prototype

public DiagnosticErrorListener(boolean exactOnly) 

Source Link

Document

Initializes a new instance of DiagnosticErrorListener , specifying whether all ambiguities or only exact ambiguities are reported.

Usage

From source file:org.elasticsearch.xpack.sql.parser.SqlParser.java

License:Open Source License

private void debug(SqlBaseParser parser) {

    // when debugging, use the exact prediction mode (needed for diagnostics as well)
    parser.getInterpreter().setPredictionMode(PredictionMode.SLL);

    parser.addParseListener(parser.new TraceListener());

    parser.addErrorListener(new DiagnosticErrorListener(false) {
        @Override/*w  w w.ja  va  2  s  .c  o m*/
        public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex,
                BitSet conflictingAlts, ATNConfigSet configs) {
        }

        @Override
        public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex,
                int prediction, ATNConfigSet configs) {
        }
    });
}

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