xref: /OpenGrok/opengrok-indexer/src/main/jflex/analysis/vb/VB.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) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
22*d219b4ceSAdam Hornacek * Portions Copyright (c) 2017, 2019, Chris Fraire <cfraire@me.com>.
23*d219b4ceSAdam Hornacek *
24*d219b4ceSAdam Hornacek * ##Legal Notices
25*d219b4ceSAdam Hornacek * Microsoft and any contributors grant you a license to the Microsoft documentation and other content
26*d219b4ceSAdam Hornacek * in this repository under the [Creative Commons Attribution 4.0 International Public License](https://creativecommons.org/licenses/by/4.0/legalcode),
27*d219b4ceSAdam Hornacek * see the [LICENSE](LICENSE) file, and grant you a license to any code in the repository under the [MIT License](https://opensource.org/licenses/MIT), see the
28*d219b4ceSAdam Hornacek * [LICENSE-CODE](LICENSE-CODE) file.
29*d219b4ceSAdam Hornacek *
30*d219b4ceSAdam Hornacek * Microsoft, Windows, Microsoft Azure and/or other Microsoft products and services referenced in the documentation
31*d219b4ceSAdam Hornacek * may be either trademarks or registered trademarks of Microsoft in the United States and/or other countries.
32*d219b4ceSAdam Hornacek * The licenses for this project do not grant you rights to use any Microsoft names, logos, or trademarks.
33*d219b4ceSAdam Hornacek * Microsoft's general trademark guidelines can be found at http://go.microsoft.com/fwlink/?LinkID=254653.
34*d219b4ceSAdam Hornacek *
35*d219b4ceSAdam Hornacek * Privacy information can be found at https://privacy.microsoft.com/en-us/
36*d219b4ceSAdam Hornacek *
37*d219b4ceSAdam Hornacek * Microsoft and any contributors reserve all others rights, whether under their respective copyrights, patents,
38*d219b4ceSAdam Hornacek * or trademarks, whether by implication, estoppel or otherwise.
39*d219b4ceSAdam Hornacek */
40*d219b4ceSAdam Hornacek
41*d219b4ceSAdam HornacekIdentifier = ([a-zA-Z] [a-zA-Z0-9_]* | [_] [a-zA-Z0-9_]+)
42*d219b4ceSAdam Hornacek
43*d219b4ceSAdam HornacekNumber = [\-]? ({Numeric_integer} | {Numeric_fp} | {Hexadecimal} | {Binary} |
44*d219b4ceSAdam Hornacek    {Octal}) {Literal_type_suffix}?
45*d219b4ceSAdam HornacekDIGIT = [0-9]
46*d219b4ceSAdam HornacekHEXDIG = [0-9A-Fa-f]
47*d219b4ceSAdam HornacekBINDIG = [01]
48*d219b4ceSAdam HornacekOCTDIG = [0-7]
49*d219b4ceSAdam Hornacek
50*d219b4ceSAdam Hornacek/*
51*d219b4ceSAdam Hornacek * "Numeric, no fractional part"
52*d219b4ceSAdam Hornacek */
53*d219b4ceSAdam HornacekNumeric_integer = {DIGIT} ([_]* {DIGIT})*
54*d219b4ceSAdam Hornacek/*
55*d219b4ceSAdam Hornacek * "Numeric, fractional part"
56*d219b4ceSAdam Hornacek */
57*d219b4ceSAdam HornacekNumeric_fp = {Numeric_integer} "." {Numeric_integer}
58*d219b4ceSAdam Hornacek/*
59*d219b4ceSAdam Hornacek * "Hexadecimal (base 16)"
60*d219b4ceSAdam Hornacek */
61*d219b4ceSAdam HornacekHexadecimal = [&][Hh] {HEXDIG} ([_]* {HEXDIG})*
62*d219b4ceSAdam Hornacek/*
63*d219b4ceSAdam Hornacek * "Binary (base 2)"
64*d219b4ceSAdam Hornacek */
65*d219b4ceSAdam HornacekBinary = [&][Bb] {BINDIG} ([_]* {BINDIG})*
66*d219b4ceSAdam Hornacek/*
67*d219b4ceSAdam Hornacek * "Octal (base 8)"
68*d219b4ceSAdam Hornacek */
69*d219b4ceSAdam HornacekOctal = [&][Oo] {OCTDIG} ([_]* {OCTDIG})*
70*d219b4ceSAdam Hornacek
71*d219b4ceSAdam Hornacek/*
72*d219b4ceSAdam Hornacek * "Literal type character"
73*d219b4ceSAdam Hornacek */
74*d219b4ceSAdam HornacekLiteral_type_suffix = ([Ss] | [Ii] | [Ll] | [Dd] | [Ff] | [Rr] | [Uu][IiLlSs] |
75*d219b4ceSAdam Hornacek    [Cc] | "%" | "&" | "@" | "!" | "#" | "$")
76