/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * See LICENSE.txt included in this distribution for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at LICENSE.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
 * Portions Copyright (c) 2017, Chris Fraire <cfraire@me.com>.
 */

Identifier = [a-zA-Z_] [a-zA-Z0-9_]*

Number = \$? [0-9]+\.[0-9]+| [0-9][0-9]* | [0][xX] [0-9a-fA-F]+

/*
 * Rather than enumerate letters, just treat all hyphen- or plus- with a
 * single-char as a unary op. "req_lookahead" because an assertion is needed
 * that it is followed by non-word or end-of-line.
 */
Unary_op_req_lookahead = [\-\+]{Unary_op_char}
Unary_op_char = [A-Za-z]

Binary_op = [\-]("ef"|"nt"|"ot"|"eq"|"ge"|"gt"|"le"|"lt"|"ne"){WhspChar}