Added Kotlin language

langs/extensions.txt

@@ -8,6 +8,7 @@ c# cs
 c++ h hh hpp hxx h++ cc cpp cxx c++
 html html htm xhtml xhtm xml xsd
 java java class jar
+kotlin kt
 mel mel ma
 objc m mm
 papyrus psc

langs/kotlin/function.txt

@@ -0,0 +1,43 @@
+with
+print
+println
+arrayOf
+arrayOfNulls
+booleanArrayOf
+byteArrayOf
+charArrayOf
+doubleArrayOf
+emptyArray
+enumValueOf
+enumValues
+floatArrayOf
+intArrayOf
+longArrayOf
+shortArrayOf
+emptyArray
+emptyList
+emptySet
+emptyMap
+emptySequence
+listOf
+listOfNotNull
+arrayListOf
+mutableListOf
+mapOf
+hashMapOf
+linkedMapOf
+mutableMapOf
+sortedMapOf
+setOf
+hashSetOf
+linkedSetOf
+mutableSetOf
+sortedSetOf
+assert
+check
+checkNotNull
+error
+require
+requireNotNull
+lazy
+lazyOf

langs/kotlin/infix.txt

@@ -0,0 +1,8 @@
+shl
+shr
+ushr
+and
+xor
+or
+until
+to

langs/kotlin/kotlin.txt

@@ -0,0 +1,29 @@
+### KOTLIN LANGUAGE ###
+
+#   ELEMENT_NAME [optional-css-class] REGULAR_EXPRESSION
+
+    CASE_INSENSITIVE = OFF
+
+    NAME                Kotlin
+    VERSION             1.0.0
+
+    COMMENT             (?default)
+    STRING              (?:(?<!\\)""".*?(?<!\\)""")|(?default)
+    MARK_AT:TAG         (?<=this|super|return|break|continue)@[A-Za-z_]\w*|\b[A-Za-z_]\w*@(?!\w)
+
+    FUNCTION:KEYWORD    \b(?alt:function.txt)\b|(?<=\s)(?alt:infix.txt)(?=\s)
+    NOTATION            (?<= |)@[\w.]+
+    STATEMENT           \b(?alt:statement.txt)\b
+    RESERVED            \b(?alt:reserved.txt)\b
+    TYPE                \b(?alt:type.txt)\b
+    MODIFIER            \b(?alt:modifier.txt)\b
+
+    ENTITY              \b[A-Za-z_]\w*(?=\s*(\w+@\s*)?\{)|\b[A-Za-z_]\w*\b(?=\s*\([^\)]*\))|(?<!\.)\b[A-Za-z_]\w*\b(?=[^}=|,.:;"'\)]*{)
+    GENERIC:ENTITY      (?<=<)[A-Za-z_]\w*(?=>|\s*:\s*[A-Za-z_]\w*>)|(?<=in|out|:)\s+[A-Za-z_]\w*(?=>)
+    VARIABLE            [A-Za-z_]\w*(?=\s*(?alt:operator.txt)|\s*(?alt:symbol.txt)|\s+[A-Za-z_]\w*\s+\S|\s*$)
+
+    IDENTIFIER          (?default)
+
+    CONSTANT            (?<!\w)((\.\d[\d_]*|\d[\d_]*\.?)[\d_]*([eE]\d[\d_]*)?[fF]?|((0[bB])?[\d_]+|0[xX][\d_a-fA-F]*)[uUlL]?)\b
+    OPERATOR            (?alt:operator.txt)
+    SYMBOL              (?alt:symbol.txt)

langs/kotlin/modifier.txt

@@ -0,0 +1,26 @@
+abstract
+final
+enum
+open
+annotation
+sealed
+data
+override
+lateinit
+in
+out
+noinline
+crossinline
+vararg
+reified
+tailrec
+operator
+companion
+infix
+inline
+external
+private
+internal
+public
+const
+suspend

langs/kotlin/operator.txt

@@ -0,0 +1,27 @@
+!!
+?:
+?.
+..
+!=
+==
+<=
+>=
++=
+-=
+*=
+/=
+++
+--
+&&
+||
+
++
+-
+*
+/
+%
+?
+=
+>
+<
+!

langs/kotlin/reserved.txt

@@ -0,0 +1,19 @@
+package
+import
+typealias
+class
+this
+super
+val
+get
+set
+var
+fun
+null
+true
+false
+object
+interface
+typeof
+init
+constructor

langs/kotlin/statement.txt

@@ -0,0 +1,17 @@
+as
+is
+in
+for
+if
+else
+try
+catch
+finally
+while
+do
+when
+continue
+break
+return
+throw
+by

langs/kotlin/symbol.txt

@@ -0,0 +1,17 @@
+->
+:
+!
+@
+$
+%
+(
+)
+_
+{
+}
+[
+]
+\
+;
+,
+.

langs/kotlin/type.txt

@@ -0,0 +1,44 @@
+Any
+Boolean
+Int
+Double
+Float
+Short
+Number
+Long
+Char
+String
+Byte
+Unit
+Nothing
+UByte
+UInt
+ULong
+UShort
+Array
+IntArray
+DoubleArray
+FloatArray
+ShortArray
+ByteArray
+CharArray
+BooleanArray
+LongArray
+UByteArray
+UIntArray
+ULongArray
+UShortArray
+Sequence
+false
+null
+true
+Enum
+Annotation
+CharSequence
+Comparable
+Throwable
+Exception
+package
+interface
+class
+Class

readme.txt

@@ -106,6 +106,7 @@ See the <a href="http://aramk.com/blog/2011/09/23/crayon-language-file-specifica
 * MySQL (thanks to <a href="http://assemblysys.com/" target="_blank">AssemblySys.com</a> and <a href="http://ansas-meyer.de/" target="_blank">ansas-meyer.de</a>)
 * Java
 * JavaScript
+* Kotlin
 * Objective-C
 * Papyrus
 * Perl

util/sample/kotlin.txt

@@ -0,0 +1,25 @@
+import kotlin.math.abs
+import kotlin.math.sqrt
+
+data class Point(val x: Int, val y: Int) {
+    infix fun distance(point: Point): Double {
+        val dx = abs(point.x - x)
+        val dy = abs(point.y - y)
+        return sqrt(dx * dx + dy * dy.toDouble())
+    }
+    override fun toString(): String = "($x, $y)"
+}
+
+object Distance {
+    class Wrapper(private val p1: Point) {
+        infix fun to(p2: Point) = p1.distance(p2)
+    }
+    infix fun from(p: Point): Wrapper = Wrapper(p)
+}
+
+fun main(args: Array<String>) {
+    val p1 = Point(1, 1)
+    val p2 = Point(2, 2)
+    val dis: Double = Distance from p1 to p2
+    println("The distance from $p1 to $p2 is $dis.")
+}