From 8e605bf8e8ede356a2611563f9f2158878c849e3 Mon Sep 17 00:00:00 2001
From: Paulo Moura <pmoura@logtalk.org>
Date: Fri, 3 Aug 2018 14:06:54 +0100
Subject: [PATCH] Update Logtalk language support for highlighting 0'\Char
 numbers

---
 src/lang-logtalk.js | 38 ++++++++++++++++++--------------------
 1 file changed, 18 insertions(+), 20 deletions(-)

diff --git a/src/lang-logtalk.js b/src/lang-logtalk.js
index 1e79559a..00f6be47 100644
--- a/src/lang-logtalk.js
+++ b/src/lang-logtalk.js
@@ -1,24 +1,22 @@
-/**
- * @license
- * Copyright (C) 2014 Paulo Moura
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright (C) 2014 Paulo Moura
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 
 /**
  * @fileoverview
  * Registers a language handler for Logtalk.
- * http://logtalk.org/
+ * https://logtalk.org/
  * @author Paulo Moura
  */
 
@@ -32,7 +30,7 @@ PR['registerLangHandler'](
           // quoted atoms
           [PR['PR_LITERAL'], /^\'(?:[^\'\\\n\x0C\r]|\\[^&])+\'?/, null, "'"],
           // numbers
-          [PR['PR_LITERAL'], /^(?:0'.|0b[0-1]+|0o[0-7]+|0x[\da-f]+|\d+(?:\.\d+)?(?:e[+\-]?\d+)?)/i, null, '0123456789']
+          [PR['PR_LITERAL'], /^(?:0'\\.|0'.|0b[0-1]+|0o[0-7]+|0x[\da-f]+|\d+(?:\.\d+)?(?:e[+\-]?\d+)?)/i, null, '0123456789']
         ],
         [
           // single-line comments begin with %
@@ -40,8 +38,8 @@ PR['registerLangHandler'](
           // block comments are delimited by /* and */
           [PR['PR_COMMENT'], /^\/\*[\s\S]*?\*\//],
           // directives
-          [PR['PR_KEYWORD'], /^\s*:-\s(c(a(lls|tegory)|oinductive)|p(ublic|r(ot(ocol|ected)|ivate))|e(l(if|se)|n(coding|sure_loaded)|xport)|i(f|n(clude|itialization|fo))|alias|d(ynamic|iscontiguous)|m(eta_(non_terminal|predicate)|od(e|ule)|ultifile)|reexport|s(et_(logtalk|prolog)_flag|ynchronized)|o(bject|p)|use(s|_module))/],
-          [PR['PR_KEYWORD'], /^\s*:-\s(e(lse|nd(if|_(category|object|protocol)))|built_in|dynamic|synchronized|threaded)/],
+          [PR['PR_KEYWORD'], /^\s*:-\s(?:category|coinductive|public|protocol|protected|private|elif|encoding|ensure_loaded|export|if|include|initialization|info|imports|alias|dynamic|discontiguous|meta_non_terminal|meta_predicate|mode|module|multifile|reexport|set_logtalk_flag|set_prolog_flag|synchronized|object|op|uses|use_module)\b/],
+          [PR['PR_KEYWORD'], /^\s*:-\s(?:else|endif|end_category|end_object|end_protocol|built_in|dynamic|threaded)\./],
           // variables
           [PR['PR_TYPE'], /^[A-Z_][a-zA-Z0-9_]*/],
           // operators