Add QML syntax highlighting (fixes #1706)

assets/javascripts/vendor/prism.js

@@ -1,5 +1,5 @@
-/* PrismJS 1.25.0
-https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript+bash+c+cpp+cmake+coffeescript+crystal+d+dart+diff+django+elixir+erlang+go+groovy+java+json+julia+kotlin+latex+lua+markup-templating+matlab+nginx+nim+ocaml+perl+php+python+r+jsx+ruby+rust+scss+shell-session+sql+typescript+yaml+zig */
+/* PrismJS 1.26.0
+https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript+bash+c+cpp+cmake+coffeescript+crystal+d+dart+diff+django+elixir+erlang+go+groovy+java+json+julia+kotlin+latex+lua+markup-templating+matlab+nginx+nim+ocaml+perl+php+python+qml+r+jsx+ruby+rust+scss+shell-session+sql+typescript+yaml+zig */
 /// <reference lib="WebWorker"/>
 
 var _self = (typeof window !== 'undefined')
@@ -661,6 +661,9 @@ var Prism = (function (_self) {
 				language: language
 			};
 			_.hooks.run('before-tokenize', env);
+			if (!env.grammar) {
+				throw new Error('The language "' + env.language + '" has no grammar.');
+			}
 			env.tokens = _.tokenize(env.code, env.grammar);
 			_.hooks.run('after-tokenize', env);
 			return Token.stringify(_.util.encode(env.tokens), env.language);
@@ -1861,7 +1864,7 @@ Prism.languages.js = Prism.languages.javascript;
 		},
 		'variable': insideString.variable,
 		'function': {
-			pattern: /(^|[\s;|&]|[<>]\()(?:add|apropos|apt|apt-cache|apt-get|aptitude|aspell|automysqlbackup|awk|basename|bash|bc|bconsole|bg|bzip2|cal|cat|cfdisk|chgrp|chkconfig|chmod|chown|chroot|cksum|clear|cmp|column|comm|composer|cp|cron|crontab|csplit|curl|cut|date|dc|dd|ddrescue|debootstrap|df|diff|diff3|dig|dir|dircolors|dirname|dirs|dmesg|docker|docker-compose|du|egrep|eject|env|ethtool|expand|expect|expr|fdformat|fdisk|fg|fgrep|file|find|fmt|fold|format|free|fsck|ftp|fuser|gawk|git|gparted|grep|groupadd|groupdel|groupmod|groups|grub-mkconfig|gzip|halt|head|hg|history|host|hostname|htop|iconv|id|ifconfig|ifdown|ifup|import|install|ip|jobs|join|kill|killall|less|link|ln|locate|logname|logrotate|look|lpc|lpr|lprint|lprintd|lprintq|lprm|ls|lsof|lynx|make|man|mc|mdadm|mkconfig|mkdir|mke2fs|mkfifo|mkfs|mkisofs|mknod|mkswap|mmv|more|most|mount|mtools|mtr|mutt|mv|nano|nc|netstat|nice|nl|nohup|notify-send|npm|nslookup|op|open|parted|passwd|paste|pathchk|ping|pkill|pnpm|podman|podman-compose|popd|pr|printcap|printenv|ps|pushd|pv|quota|quotacheck|quotactl|ram|rar|rcp|reboot|remsync|rename|renice|rev|rm|rmdir|rpm|rsync|scp|screen|sdiff|sed|sendmail|seq|service|sftp|sh|shellcheck|shuf|shutdown|sleep|slocate|sort|split|ssh|stat|strace|su|sudo|sum|suspend|swapon|sync|tac|tail|tar|tee|time|timeout|top|touch|tr|traceroute|tsort|tty|umount|uname|unexpand|uniq|units|unrar|unshar|unzip|update-grub|uptime|useradd|userdel|usermod|users|uudecode|uuencode|v|vcpkg|vdir|vi|vim|virsh|vmstat|wait|watch|wc|wget|whereis|which|who|whoami|write|xargs|xdg-open|yarn|yes|zenity|zip|zsh|zypper)(?=$|[)\s;|&])/,
+			pattern: /(^|[\s;|&]|[<>]\()(?:add|apropos|apt|apt-cache|apt-get|aptitude|aspell|automysqlbackup|awk|basename|bash|bc|bconsole|bg|bzip2|cal|cat|cfdisk|chgrp|chkconfig|chmod|chown|chroot|cksum|clear|cmp|column|comm|composer|cp|cron|crontab|csplit|curl|cut|date|dc|dd|ddrescue|debootstrap|df|diff|diff3|dig|dir|dircolors|dirname|dirs|dmesg|docker|docker-compose|du|egrep|eject|env|ethtool|expand|expect|expr|fdformat|fdisk|fg|fgrep|file|find|fmt|fold|format|free|fsck|ftp|fuser|gawk|git|gparted|grep|groupadd|groupdel|groupmod|groups|grub-mkconfig|gzip|halt|head|hg|history|host|hostname|htop|iconv|id|ifconfig|ifdown|ifup|import|install|ip|jobs|join|kill|killall|less|link|ln|locate|logname|logrotate|look|lpc|lpr|lprint|lprintd|lprintq|lprm|ls|lsof|lynx|make|man|mc|mdadm|mkconfig|mkdir|mke2fs|mkfifo|mkfs|mkisofs|mknod|mkswap|mmv|more|most|mount|mtools|mtr|mutt|mv|nano|nc|netstat|nice|nl|node|nohup|notify-send|npm|nslookup|op|open|parted|passwd|paste|pathchk|ping|pkill|pnpm|podman|podman-compose|popd|pr|printcap|printenv|ps|pushd|pv|quota|quotacheck|quotactl|ram|rar|rcp|reboot|remsync|rename|renice|rev|rm|rmdir|rpm|rsync|scp|screen|sdiff|sed|sendmail|seq|service|sftp|sh|shellcheck|shuf|shutdown|sleep|slocate|sort|split|ssh|stat|strace|su|sudo|sum|suspend|swapon|sync|tac|tail|tar|tee|time|timeout|top|touch|tr|traceroute|tsort|tty|umount|uname|unexpand|uniq|units|unrar|unshar|unzip|update-grub|uptime|useradd|userdel|usermod|users|uudecode|uuencode|v|vcpkg|vdir|vi|vim|virsh|vmstat|wait|watch|wc|wget|whereis|which|who|whoami|write|xargs|xdg-open|yarn|yes|zenity|zip|zsh|zypper)(?=$|[)\s;|&])/,
 			lookbehind: true
 		},
 		'keyword': {
@@ -4215,6 +4218,68 @@ Prism.languages.python['string-interpolation'].inside['interpolation'].inside.re
 
 Prism.languages.py = Prism.languages.python;
 
+(function (Prism) {
+
+	var jsString = /"(?:\\.|[^\\"\r\n])*"|'(?:\\.|[^\\'\r\n])*'/.source;
+	var jsComment = /\/\/.*(?!.)|\/\*(?:[^*]|\*(?!\/))*\*\//.source;
+
+	var jsExpr = /(?:[^\\()[\]{}"'/]|<string>|\/(?![*/])|<comment>|\(<expr>*\)|\[<expr>*\]|\{<expr>*\}|\\[\s\S])/
+		.source.replace(/<string>/g, function () { return jsString; }).replace(/<comment>/g, function () { return jsComment; });
+
+	// the pattern will blow up, so only a few iterations
+	for (var i = 0; i < 2; i++) {
+		jsExpr = jsExpr.replace(/<expr>/g, function () { return jsExpr; });
+	}
+	jsExpr = jsExpr.replace(/<expr>/g, '[^\\s\\S]');
+
+
+	Prism.languages.qml = {
+		'comment': {
+			pattern: /\/\/.*|\/\*[\s\S]*?\*\//,
+			greedy: true
+		},
+		'javascript-function': {
+			pattern: RegExp(/((?:^|;)[ \t]*)function\s+(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*\s*\(<js>*\)\s*\{<js>*\}/.source.replace(/<js>/g, function () { return jsExpr; }), 'm'),
+			lookbehind: true,
+			greedy: true,
+			alias: 'language-javascript',
+			inside: Prism.languages.javascript
+		},
+		'class-name': {
+			pattern: /((?:^|[:;])[ \t]*)(?!\d)\w+(?=[ \t]*\{|[ \t]+on\b)/m,
+			lookbehind: true
+		},
+		'property': [
+			{
+				pattern: /((?:^|[;{])[ \t]*)(?!\d)\w+(?:\.\w+)*(?=[ \t]*:)/m,
+				lookbehind: true
+			},
+			{
+				pattern: /((?:^|[;{])[ \t]*)property[ \t]+(?!\d)\w+(?:\.\w+)*[ \t]+(?!\d)\w+(?:\.\w+)*(?=[ \t]*:)/m,
+				lookbehind: true,
+				inside: {
+					'keyword': /^property/,
+					'property': /\w+(?:\.\w+)*/
+				}
+			}
+		],
+		'javascript-expression': {
+			pattern: RegExp(/(:[ \t]*)(?![\s;}[])(?:(?!$|[;}])<js>)+/.source.replace(/<js>/g, function () { return jsExpr; }), 'm'),
+			lookbehind: true,
+			greedy: true,
+			alias: 'language-javascript',
+			inside: Prism.languages.javascript
+		},
+		'string': {
+			pattern: /"(?:\\.|[^\\"\r\n])*"/,
+			greedy: true
+		},
+		'keyword': /\b(?:as|import|on)\b/,
+		'punctuation': /[{}[\]:;,]/
+	};
+
+}(Prism));
+
 Prism.languages.r = {
 	'comment': /#.*/,
 	'string': {