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%% This is part of the OpTeX project, see http://petr.olsak.net/optex
%% Author: Vojtěch Hořánek, <https://github.com/vojta-horanek/hisyntax-kt>
\_codedecl \_hisyntaxkt {Syntax highlighting for Kotlin sources <2024-05-18>}
\_newtoks \_hisyntaxkt \_newtoks \_hicolorskt
\_global\_hicolorskt={ % colors for Kotlin language
\_hicolor C \Grey % Comments
\_hicolor D \Green % Documentation comments
\_hicolor W \Yellow % Warnings
\_hicolor S \Green % Strings
\_hicolor K \Blue % Keywords
\_hicolor F \Blue % Std. functions
\_hicolor A \Yellow % Annotations
\_hicolor N \Cyan % Numbers
\_hicolor T \Brown % Templates
\_hicolor I \Grey % Imports
\_hicolor O \Magenta % Others
}
\_global\_hisyntaxkt={%
\_the\_hicolorskt
\_let\c=\_relax \_let\e=\_relax \_let\o=\_relax
% comments
\_replthis {FIXME} {\z W{FIXME}}% FIXME in comment
\_replthis {TODO} {\z W{TODO}}% TODO in comment
\_replfromto {/**}{*/} {\x D{/**#1*/}}% /**...*/ documentation
\_replfromto {/*}{*/} {\x C{/*#1*/}}% /*...*/ multi-line
\_replfromto {//}{^^J} {\z C{//#1}^^J}% //... single-line
% strings
\_replfromto {\_csstring\$\_csstring\{}{\_csstring\}}% string template expression ${tmp}
{\z T{\_csstring\$\_csstring\{#1\_csstring\}}}%
\_replfromto {\_csstring\$}{\n} {\x T{\_csstring\$#1}}% string template $tmp
\_replthis {\_string\"} {{\_string\"}}% \" string escape
\_replfromto {"}{"} {\x S{"#1"}}% "..." string
% characters
\_replthis {\_string\'} {{\_string\'}}% \' char escape
\_replfromto {'}{'} {\x S{'#1'}}% '.' character
% others
\_replfromto {\n@}{\n} {\z A{@#1}}% annotations
\_replfromto {package}{^^J} {\z K{package}\z I{#1}^^J}% package...
\_replfromto {import}{^^J} {\z K{import}\z I{#1}^^J}% import...
\_replfromto {return@}{\n} {\z K{return}\z O{@#1}}% return@...
\_replfromto {continue@}{\n} {\z K{continue}\z O{@#1}}% continue@...
\_replfromto {break@}{\n} {\z K{break}\z O{@#1}}% break@...
% Special characters
\_replthis{;}{\z C{;}} % semi-collon
\_replthis{?:}{\n\o?:\n} % elvis operator
\_edef\_tmpa {()\_string{\_string}+-*/=[]<>,:\_pcent\_string&|!}% non-letters
\_ea \_foreach \_tmpa
\_do {\_replthis{#1}{\n\o#1\n}}
%
\_foreach % keywords
{as}{as?}{break}{class}{continue}{do}{else}{false}{for}{fun}%
{if}{in}{!in}{interface}{is}{!is}{null}{object}{package}%
{return}{super}{this}{throw}{true}{try}{typealias}{typeof}%
{val}{var}{when}{while}{by}{catch}{constructor}{dynamic}%
{finally}{get}{import}{init}{set}{value}{class}{where}%
{abstract}{actual}{annotation}{companion}{const}{crossinline}%
{data}{enum}{expect}{external}{final}{infix}{inline}{inner}%
{internal}{lateinit}{noinline}{open}{operator}{out}{override}%
{private}{protected}{public}{reified}{sealed}{suspend}{tailrec}%
{vararg}{it}{equals}{compareTo}{get()}{get}{set}{set(value)}%
\_do {\_replthis{\n#1\n}{\z K{#1}}}
%
\_foreach % standard library extension functions
{all}{also}{any}{apply}{asIterable}{asSequence}{associate}%
{associateBy}{associateByTo}{associateTo}{associateWith}%
{associateWithTo}{average}{chunked}{contains}{count}{distinct}%
{distinctBy}{drop}{dropLast}{dropLastWhile}{dropWhile}{elementAt}%
{elementAtOrElse}{elementAtOrNull}{filter}{filterIndexed}%
{filterIndexedTo}{filterIsInstance}{filterIsInstanceTo}{filterNot}%
{filterNotNull}{filterNotNullTo}{filterNotTo}{filterTo}{find}%
{findLast}{first}{firstNotNullOf}{firstNotNullOfOrNull}%
{firstOrNull}{flatMap}{flatMapIndexed}{flatMapIndexedTo}%
{flatMapTo}{fold}{foldIndexed}{foldRight}{foldRightIndexed}%
{forEach}{forEachIndexed}{getOrElse}{getOrNull}{groupBy}%
{groupByTo}{groupingBy}{indexOf}{indexOfFirst}{indexOfLast}%
{intersect}{iterator}{joinTo}{joinToString}{last}{lastIndexOf}%
{lastOrNull}{let}{map}{mapIndexed}{mapIndexedNotNull}%
{mapIndexedNotNullTo}{mapIndexedTo}{mapNotNull}{mapNotNullTo}%
{mapTo}{max}{maxBy}{maxByOrNull}{maxOf}{maxOfOrNull}{maxOfWith}%
{maxOfWithOrNull}{maxOrNull}{maxWith}{maxWithOrNull}{min}{minBy}%
{minByOrNull}{minOf}{minOfOrNull}{minOfWith}{minOfWithOrNull}%
{minOrNull}{minus}{minusElement}{minWith}{minWithOrNull}{none}%
{onEach}{onEachIndexed}{partition}{plus}{plusElement}{random}%
{randomOrNull}{reduce}{reduceIndexed}{reduceIndexedOrNull}%
{reduceOrNull}{reduceRight}{reduceRightIndexed}%
{reduceRightIndexedOrNull}{reduceRightOrNull}{repeat}%
{requireNoNulls}{reverse}{reversed}{runningFold}%
{runningFoldIndexed}{runningReduce}{runningReduceIndexed}{scan}%
{scanIndexed}{shuffle}{single}{singleOrNull}{slice}{sortBy}%
{sortByDescending}{sortDescending}{sorted}{sortedBy}%
{sortedByDescending}{sortedDescending}{sortedWith}{subtract}{sum}%
{sumBy}{sumByDouble}{sumOf}{take}{takeIf}{takeLast}%
{takeLastWhile}{takeUnless}{takeWhile}{toBooleanArray}%
{toByteArray}{toCharArray}{toCollection}{toDoubleArray}%
{toFloatArray}{toHashSet}{toIntArray}{toList}{toLongArray}%
{toMutableList}{toMutableSet}{toSet}{toShortArray}{union}%
{windowed}{withIndex}{zip}{zipWithNext}{contract}%
\_do {\_replthis{.#1\n}{.\z F{#1}}%
\_replthis{\n#1\n}{\z F{#1}}}% invoke operators ( and { begin with \n
%
\_replthis{.}{\n.\n} % numbers
\_foreach 0123456789
\_do {\_replfromto{\n#1}{\n}{\c#1##1\e}}
\_replthis{\e.\c}{.}
\_replthis{\e.\n}{.\e}
\_replthis{\n.\c}{\c.}
\_replthis{e\e\o+\c}{e+}\_replthis{e\e\o-\c}{e-}
\_replthis{E\e\o+\c}{E+}\_replthis{E\e\o-\c}{E-}
\_def\c#1\e{\z N{#1}}
\_def\o#1{\z O{#1}} % others
}
\_endcode %------------------------------------------------
\endinput
2024-05-18: First version
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