Added support for AWK (#3374)

components.json

@@ -175,6 +175,14 @@
 			"alias": "avdl",
 			"owner": "RunDevelopment"
 		},
+		"awk": {
+			"title": "AWK",
+			"alias": "gawk",
+			"aliasTitles": {
+				"gawk": "GAWK"
+			},
+			"owner": "RunDevelopment"
+		},
 		"bash": {
 			"title": "Bash",
 			"alias": "shell",

components/prism-awk.js

@@ -0,0 +1,32 @@
+Prism.languages.awk = {
+	'hashbang': {
+		pattern: /^#!.*/,
+		greedy: true,
+		alias: 'comment'
+	},
+	'comment': {
+		pattern: /#.*/,
+		greedy: true
+	},
+	'string': {
+		pattern: /(^|[^\\])"(?:[^\\"\r\n]|\\.)*"/,
+		lookbehind: true,
+		greedy: true
+	},
+	'regex': {
+		pattern: /((?:^|[^\w\s)])\s*)\/(?:[^\/\\\r\n]|\\.)*\//,
+		lookbehind: true,
+		greedy: true
+	},
+
+	'variable': /\$\w+/,
+	'keyword': /\b(?:BEGIN|BEGINFILE|END|ENDFILE|break|case|continue|default|delete|do|else|exit|for|function|getline|if|in|next|nextfile|printf?|return|switch|while)\b|@(?:include|load)\b/,
+
+	'function': /\b[a-z_]\w*(?=\s*\()/i,
+	'number': /\b(?:\d+(?:\.\d+)?(?:e[+-]?\d+)?|0x[a-fA-F0-9]+)\b/,
+
+	'operator': /--|\+\+|!?~|>&|>>|<<|(?:\*\*|[<>!=+\-*/%^])=?|&&|\|[|&]|[?:]/,
+	'punctuation': /[()[\]{},;]/
+};
+
+Prism.languages.gawk = Prism.languages.awk;

examples/prism-awk.html

@@ -0,0 +1,7 @@
+<h2>Full example</h2>
+<pre><code># Source: awklang.org
+BEGIN { ascetion = bsection = 0 }
+$2 ~ /^[aA][0-9]+/ { asection++ }
+$2 ~ /^[bB][0-9]+/ { bsection++ }
+END { print asection, bsection }
+</code></pre>

plugins/autoloader/prism-autoloader.js

@@ -179,6 +179,7 @@
 		"adoc": "asciidoc",
 		"avs": "avisynth",
 		"avdl": "avro-idl",
+		"gawk": "awk",
 		"shell": "bash",
 		"shortcode": "bbcode",
 		"rbnf": "bnf",

plugins/show-language/prism-show-language.js

@@ -49,6 +49,8 @@
 		"avs": "AviSynth",
 		"avro-idl": "Avro IDL",
 		"avdl": "Avro IDL",
+		"awk": "AWK",
+		"gawk": "GAWK",
 		"basic": "BASIC",
 		"bbcode": "BBcode",
 		"bnf": "BNF",