From 5a47025d64f013975051473c1115ff70c0281785 Mon Sep 17 00:00:00 2001 From: Benoit Giannangeli Date: Mon, 27 Feb 2017 08:46:56 +0100 Subject: lexing --- src/ljstype.js | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/ljstype.js (limited to 'src/ljstype.js') diff --git a/src/ljstype.js b/src/ljstype.js new file mode 100644 index 0000000..52ac153 --- /dev/null +++ b/src/ljstype.js @@ -0,0 +1,29 @@ +/* jshint esversion: 6 */ +"use strict"; + +const assert = require('assert'); + +const lisdigit = function(c) { + return /^\d$/.test(c.charAt(0)); + +const lisxdigit = function(c) { + return /^[0-9a-fA-F]$/.test(c.charAt(0)); +}; + +const lisspace = function(c) { + return /^\s$/.test(c.charAt(0)); +}; + +const lislalpha = function(c) { + return /^[_a-zA-z]$/.test(c.charAt(0)); +}; + +const lislanum = function(c) { + return /^[_a-zA-z0-9]$/.test(c.charAt(0)); +}; + +module.exports.lisdigit = lisdigit; +module.exports.lislalpha = lislalpha; +module.exports.lislanum = lislanum; +module.exports.lisspace = lisspace; +module.exports.lisxdigit = lisxdigit; \ No newline at end of file -- cgit v1.2.3-54-g00ecf