Fixed several cases of exponential backtracking (#2268)

components/prism-antlr4.js

@@ -31,7 +31,7 @@ Prism.languages.antlr4 = {
 		}
 	},
 	'command': {
-		pattern: /(->\s*)(?:\s*(?:,\s*)?[a-z]\w*(?:\s*\([^()\r\n]*\))?)+(?=\s*;)/i,
+		pattern: /(->\s*)(?:\s*(?:,\s*)?\b[a-z]\w*(?:\s*\([^()\r\n]*\))?)+(?=\s*;)/i,
 		lookbehind: true,
 		inside: {
 			'function': /\b\w+(?=\s*(?:[,(]|$))/,

components/prism-applescript.js

@@ -1,7 +1,7 @@
 Prism.languages.applescript = {
 	'comment': [
 		// Allow one level of nesting
-		/\(\*(?:\(\*[\s\S]*?\*\)|[\s\S])*?\*\)/,
+		/\(\*(?:\(\*(?:[^*]|\*(?!\)))*\*\)|(?!\(\*)[\s\S])*?\*\)/,
 		/--.+/,
 		/#.+/
 	],
@@ -17,4 +17,4 @@ Prism.languages.applescript = {
 		alias: 'builtin'
 	},
 	'punctuation': /[{}():,¬«»《》]/
-};
+};

components/prism-asciidoc.js

@@ -149,7 +149,7 @@
 			Those do not have the restrictions of the constrained quotes.
 			They are, in order: __emphasis__, **strong**, ++monospace++, +++passthrough+++, ##unquoted##, $$passthrough$$, ~subscript~, ^superscript^, {attribute-reference}, [[anchor]], [[[bibliography anchor]]], <<xref>>, (((indexes))) and ((indexes))
 			 */
-			pattern: /(^|[^\\])(?:(?:\B\[(?:[^\]\\"]|(["'])(?:(?!\2)[^\\]|\\.)*\2|\\.)*\])?(?:\b_(?!\s)(?: _|[^_\\\r\n]|\\.)+(?:(?:\r?\n|\r)(?: _|[^_\\\r\n]|\\.)+)*_\b|\B``(?!\s).+?(?:(?:\r?\n|\r).+?)*''\B|\B`(?!\s)(?: ['`]|.)+?(?:(?:\r?\n|\r)(?: ['`]|.)+?)*['`]\B|\B(['*+#])(?!\s)(?: \3|(?!\3)[^\\\r\n]|\\.)+(?:(?:\r?\n|\r)(?: \3|(?!\3)[^\\\r\n]|\\.)+)*\3\B)|(?:\[(?:[^\]\\"]|(["'])(?:(?!\4)[^\\]|\\.)*\4|\\.)*\])?(?:(__|\*\*|\+\+\+?|##|\$\$|[~^]).+?(?:(?:\r?\n|\r).+?)*\5|\{[^}\r\n]+\}|\[\[\[?.+?(?:(?:\r?\n|\r).+?)*\]?\]\]|<<.+?(?:(?:\r?\n|\r).+?)*>>|\(\(\(?.+?(?:(?:\r?\n|\r).+?)*\)?\)\)))/m,
+			pattern: /(^|[^\\])(?:(?:\B\[(?:[^\]\\"]|(["'])(?:(?!\2)[^\\]|\\.)*\2|\\.)*\])?(?:\b_(?!\s)(?: _|[^_\\\r\n]|\\.)+(?:(?:\r?\n|\r)(?: _|[^_\\\r\n]|\\.)+)*_\b|\B``(?!\s).+?(?:(?:\r?\n|\r).+?)*''\B|\B`(?!\s)(?:[^`'\s]|\s+\S)+['`]\B|\B(['*+#])(?!\s)(?: \3|(?!\3)[^\\\r\n]|\\.)+(?:(?:\r?\n|\r)(?: \3|(?!\3)[^\\\r\n]|\\.)+)*\3\B)|(?:\[(?:[^\]\\"]|(["'])(?:(?!\4)[^\\]|\\.)*\4|\\.)*\])?(?:(__|\*\*|\+\+\+?|##|\$\$|[~^]).+?(?:(?:\r?\n|\r).+?)*\5|\{[^}\r\n]+\}|\[\[\[?.+?(?:(?:\r?\n|\r).+?)*\]?\]\]|<<.+?(?:(?:\r?\n|\r).+?)*>>|\(\(\(?.+?(?:(?:\r?\n|\r).+?)*\)?\)\)))/m,
 			lookbehind: true,
 			inside: {
 				'attributes': attributes,

components/prism-c.js

@@ -23,7 +23,7 @@ Prism.languages.insertBefore('c', 'string', {
 		inside: {
 			// highlight the path of the include statement as a string
 			'string': {
-				pattern: /(#\s*include\s*)(?:<.+?>|("|')(?:\\?.)+?\2)/,
+				pattern: /(#\s*include\s*)(?:<.+?>|(["'])(?:\\(?:\r\n|[\s\S])|(?!\2)[^\\\r\n])*\2)/,
 				lookbehind: true
 			},
 			// highlight macro directives as keywords