1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * See LICENSE.txt included in this distribution for the specific 9 * language governing permissions and limitations under the License. 10 * 11 * When distributing Covered Code, include this CDDL HEADER in each 12 * file and include the License file at LICENSE.txt. 13 * If applicable, add the following below this CDDL HEADER, with the 14 * fields enclosed by brackets "[]" replaced with your own identifying 15 * information: Portions Copyright [yyyy] [name of copyright owner] 16 * 17 * CDDL HEADER END 18 */ 19 20/* 21 * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved. 22 * Portions Copyright (c) 2017, Chris Fraire <cfraire@me.com>. 23 */ 24 25Identifier = [a-zA-Z_] [a-zA-Z0-9_]* 26 27Number = \$? [0-9]+\.[0-9]+| [0-9][0-9]* | [0][xX] [0-9a-fA-F]+ 28 29/* 30 * Rather than enumerate letters, just treat all hyphen- or plus- with a 31 * single-char as a unary op. "req_lookahead" because an assertion is needed 32 * that it is followed by non-word or end-of-line. 33 */ 34Unary_op_req_lookahead = [\-\+]{Unary_op_char} 35Unary_op_char = [A-Za-z] 36 37Binary_op = [\-]("ef"|"nt"|"ot"|"eq"|"ge"|"gt"|"le"|"lt"|"ne"){WhspChar} 38