Initial import of 4.x module.

brush.js

@@ -0,0 +1,70 @@
+var BrushBase = require('brush-base');
+var regexLib = require('syntaxhighlighter-regex').commonRegExp;
+
+function Brush() {
+  var keywords = 'abstract annotation as break by catch class companion const constructor continue' +
+                 ' crossinline data do dynamic else enum external false final finally for fun get if' +
+                 ' import in infix init inline inner interface internal is lateinit noinline null object' +
+                 ' open operator out override package private protected public reified return sealed' +
+                 ' set super tailrec this throw trait true try type val var vararg when where while' +
+                 ' String Array Unit Int';
+
+  this.regexList = [
+    {
+      // line comment
+      regex: regexLib.singleLineCComments,
+      css: 'comments'
+    },
+    {
+      // block comment
+      regex: /\/\*([^\*][\s\S]*?)?\*\//gm,
+      css: 'comments'
+    },
+    {
+      // javadoc
+      regex: /\/\*(?!\*\/)\*[\s\S]*?\*\//gm,
+      css: 'preprocessor'
+    },
+    {
+      regex: regexLib.doubleQuotedString,
+      css: 'string'
+    },
+    {
+      regex: regexLib.singleQuotedString,
+      css: 'string'
+    },
+    {
+      // numbers
+      regex: /\b([\d]+(\.[\d]+)?f?|[\d]+l?|0x[a-f0-9]+)\b/gi,
+      css: 'value'
+    },
+    {
+      // annotations
+      regex: /\@(Target|Retention|Repeatable|MustBeDocumented|Test|Deprecated)/g,
+      css: 'color2'
+    },
+    { 
+      // User-site targets
+      regex: /\@(file|property|field|get|set|receiver|param|setparam|delegate):/g,
+      css: 'color2'
+    },  
+    { 
+      // @Inject annotation
+      regex: /\@(Inject)\b/g,
+      css: 'color3'
+    },
+    {
+      regex: new RegExp(this.getKeywords(keywords), 'gm'),
+      css: 'keyword'
+    }
+  ];
+
+  this.forHtmlScript({
+    left: /(&lt;|<)%[@!=]?/g,
+    right: /%(&gt;|>)/g
+  });
+};
+
+Brush.prototype = new BrushBase();
+Brush.aliases = ['kotlin'];
+module.exports = Brush;