//
// Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v1.0 which accompanies this distribution,
// and is available at http://www.eclipse.org/legal/epl-v10.html
//
parser grammar YangStatementParser;

options {
    tokenVocab = YangStatementLexer;
}

// NOTE: we need to use SEP*/SEP+ because comments end up breaking whitespace
//       sequences into two.
file : SEP* statement SEP* EOF;
statement : keyword (SEP+ argument)? SEP* (SEMICOLON | LEFT_BRACE SEP* (statement SEP*)* RIGHT_BRACE);
keyword : IDENTIFIER (COLON IDENTIFIER)?;

argument : STRING (SEP* PLUS SEP* STRING)* | IDENTIFIER;