xref: /OpenGrok/opengrok-indexer/src/main/jflex/analysis/sh/Sh.lexh (revision d219b4cea555a12b602d2d5518daa22134ad4879)
1*d219b4ceSAdam Hornacek/*
2*d219b4ceSAdam Hornacek * CDDL HEADER START
3*d219b4ceSAdam Hornacek *
4*d219b4ceSAdam Hornacek * The contents of this file are subject to the terms of the
5*d219b4ceSAdam Hornacek * Common Development and Distribution License (the "License").
6*d219b4ceSAdam Hornacek * You may not use this file except in compliance with the License.
7*d219b4ceSAdam Hornacek *
8*d219b4ceSAdam Hornacek * See LICENSE.txt included in this distribution for the specific
9*d219b4ceSAdam Hornacek * language governing permissions and limitations under the License.
10*d219b4ceSAdam Hornacek *
11*d219b4ceSAdam Hornacek * When distributing Covered Code, include this CDDL HEADER in each
12*d219b4ceSAdam Hornacek * file and include the License file at LICENSE.txt.
13*d219b4ceSAdam Hornacek * If applicable, add the following below this CDDL HEADER, with the
14*d219b4ceSAdam Hornacek * fields enclosed by brackets "[]" replaced with your own identifying
15*d219b4ceSAdam Hornacek * information: Portions Copyright [yyyy] [name of copyright owner]
16*d219b4ceSAdam Hornacek *
17*d219b4ceSAdam Hornacek * CDDL HEADER END
18*d219b4ceSAdam Hornacek */
19*d219b4ceSAdam Hornacek
20*d219b4ceSAdam Hornacek/*
21*d219b4ceSAdam Hornacek * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
22*d219b4ceSAdam Hornacek * Portions Copyright (c) 2017, Chris Fraire <cfraire@me.com>.
23*d219b4ceSAdam Hornacek */
24*d219b4ceSAdam Hornacek
25*d219b4ceSAdam HornacekIdentifier = [a-zA-Z_] [a-zA-Z0-9_]*
26*d219b4ceSAdam Hornacek
27*d219b4ceSAdam HornacekNumber = \$? [0-9]+\.[0-9]+| [0-9][0-9]* | [0][xX] [0-9a-fA-F]+
28*d219b4ceSAdam Hornacek
29*d219b4ceSAdam Hornacek/*
30*d219b4ceSAdam Hornacek * Rather than enumerate letters, just treat all hyphen- or plus- with a
31*d219b4ceSAdam Hornacek * single-char as a unary op. "req_lookahead" because an assertion is needed
32*d219b4ceSAdam Hornacek * that it is followed by non-word or end-of-line.
33*d219b4ceSAdam Hornacek */
34*d219b4ceSAdam HornacekUnary_op_req_lookahead = [\-\+]{Unary_op_char}
35*d219b4ceSAdam HornacekUnary_op_char = [A-Za-z]
36*d219b4ceSAdam Hornacek
37*d219b4ceSAdam HornacekBinary_op = [\-]("ef"|"nt"|"ot"|"eq"|"ge"|"gt"|"le"|"lt"|"ne"){WhspChar}
38