<?xml version="1.0" encoding="UTF-8"?>
<!--

 This file is part of GtkSourceView

 Author: Ian Liu Rodrigues <ian.liu88@gmail.com> (modified from java.lang)
 Copyright (C) 2003 Gustavo Giráldez <gustavo.giraldez@gmx.net>
 Copyright (C) 2006 Jeff Walden <jwalden@mit.edu>
 Copyright (C) 2012 Sapphire Becker <guess@logicplace.com>
 Copyright (C) 2016 Wolfang Torres <wolfang.torres@gmail.com>

 GtkSourceView is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 GtkSourceView is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with this library; if not, see <http://www.gnu.org/licenses/>.

-->

<!--
References:
  https://en.wikipedia.org/wiki/Haxe
  https://haxe.org/documentation/
  https://haxe.org/manual/expression.html
-->

<language id="haxe" _name="Haxe" version="2.0" _section="Source">

  <metadata>

    <property name="mimetypes">text/x-haxe</property>
    <property name="globs">*.hx</property>
    <property name="line-comment-start">//</property>
    <property name="block-comment-start">/*</property>
    <property name="block-comment-end">*/</property>
  </metadata>


  <styles>
    <style id="comment"           _name="Comment"           map-to="def:comment" />
    <style id="external"          _name="External"          map-to="def:preprocessor" />
    <style id="preprocessor"      _name="Preprocessor"      map-to="def:preprocessor" />
    <style id="declaration"       _name="Declaration"       map-to="def:type" />
    <style id="storage-class"     _name="Storage Class"     map-to="def:type" />
    <style id="scope"             _name="Scope"             map-to="def:type" />
    <style id="keyword"           _name="Keyword"           map-to="def:keyword" />
    <style id="string"            _name="String"            map-to="def:string" />
    <style id="number"            _name="Number"            map-to="def:decimal" />
    <style id="boolean"           _name="Boolean value"     map-to="def:boolean" />
    <style id="null-value"        _name="Null Value"        map-to="def:special-constant" />
    <style id="type"              _name="Data Type"         map-to="def:identifier" />
    <style id="metadata"          _name="Metadata"          map-to="def:constant" />
    <style id="macro"             _name="Macro"             map-to="def:preprocessor" />
    <style id="error"             _name="Error"             map-to="def:error" />
    <style id="escaped-char"      _name="Escaped Character" map-to="def:special-char" />
    <style id="identifier-prefix" _name="Identifier Prefix" map-to="def:warning" />
  </styles>

  <definitions>

    <define-regex id="escaped-char" extended="true">\\(x?\d+|[\\\?\"\'nt])</define-regex>

    <define-regex id="escaped-char-error" extended="true">\\[^\\\?\"\'ntx\d]</define-regex>

    <context id="line-comment" style-ref="comment" end-at-line-end="true">
      <start>//</start>
      <include>
        <context ref="def:in-line-comment" />
      </include>
    </context>

    <context id="block-comment" style-ref="comment">
      <start>/\*</start>
      <end>\*/</end>
      <include>
        <context ref="def:in-comment" />
      </include>
    </context>

    <context id="close-comment-outside-comment" style-ref="error">
      <match>\*/(?!\*)</match>
    </context>

    <context id="escaped-char" style-ref="escaped-char">
      <match>\%{escaped-char}</match>
    </context>

    <context id="escaped-char-error" style-ref="error">
      <match>\%{escaped-char-error}</match>
    </context>

    <context id="externals" style-ref="external">
      <keyword>import</keyword>
      <keyword>package</keyword>
      <keyword>extern</keyword>
      <keyword>using</keyword>
    </context>

    <context id="preo-proc" style-ref="preprocessor">
      <prefix>^\s*#\s*</prefix>
      <keyword>if</keyword>
      <keyword>else</keyword>
      <keyword>elseif</keyword>
      <keyword>end</keyword>
    </context>

    <context id="declarations" style-ref="declaration">
      <keyword>class</keyword>
      <keyword>enum</keyword>
      <keyword>extends</keyword>
      <keyword>function</keyword>
      <keyword>implements</keyword>
      <keyword>interface</keyword>
      <keyword>typedef</keyword>
      <keyword>var</keyword>
      <keyword>macro</keyword>
    </context>

    <context id="primitive-types" style-ref="type">
      <match>[A-Z][a-zA-Z0-9]*</match>
    </context>

    <context id="storage-class" style-ref="storage-class">
      <keyword>static</keyword>
      <keyword>inline</keyword>
      <keyword>abstract</keyword>
    </context>

    <context id="scope" style-ref="scope">
      <keyword>private</keyword>
      <keyword>public</keyword>
      <keyword>dynamic</keyword>
      <keyword>override</keyword>
    </context>

    <context id="flow" style-ref="keyword">
      <keyword>break</keyword>
      <keyword>case</keyword>
      <keyword>cast</keyword>
      <keyword>catch</keyword>
      <keyword>continue</keyword>
      <keyword>default</keyword>
      <keyword>do</keyword>
      <keyword>else</keyword>
      <keyword>for</keyword>
      <keyword>if</keyword>
      <keyword>in</keyword>
      <keyword>return</keyword>
      <keyword>switch</keyword>
      <keyword>throw</keyword>
      <keyword>try</keyword>
      <keyword>untyped</keyword>
      <keyword>while</keyword>
    </context>

    <context id="memory" style-ref="keyword">
      <keyword>new</keyword>
      <keyword>super</keyword>
      <keyword>this</keyword>
    </context>

    <context id="string" style-ref="string">
      <start>"</start>
      <end>"</end>
      <include>
        <context ref="escaped-char" />
        <context ref="escaped-char-error" />
      </include>
    </context>

    <context id="string-2" style-ref="string">
      <start>'</start>
      <end>'</end>
      <include>
        <context ref="escaped-char" />
        <context ref="escaped-char-error" />
      </include>
    </context>

    <context id="numeric" style-ref="number">
      <match extended="true">(\b([0-9]+|0[xX][0-9a-fA-F]+)[Ll]?\b| \b(([0-9]+[Ee][-]?[0-9]+| ([0-9]*\.[0-9]+|[0-9]+\.)([Ee][-]?[0-9]+)?)[fFdD]?| [0-9]+[FfDd]))</match>
    </context>

    <context id="boolean" style-ref="boolean">
      <keyword>false</keyword>
      <keyword>true</keyword>
    </context>

    <context id="null-value" style-ref="null-value">
      <keyword>null</keyword>
    </context>

    <context id="metadata" style-ref="metadata">
      <match>@\w+</match>
    </context>

    <context id="macro" style-ref="macro">
      <match>@:\w+</match>
    </context>

    <context id="identifier-prefix" style-ref="identifier-prefix">
      <match>_hx_\w+</match>
    </context>

    <context id="haxe">
      <include>
        <context ref="line-comment" />
        <context ref="block-comment" />
        <context ref="close-comment-outside-comment" />
        <context ref="externals" />
        <context ref="preo-proc" />
        <context ref="declarations" />
        <context ref="primitive-types" />
        <context ref="storage-class" />
        <context ref="scope" />
        <context ref="flow" />
        <context ref="memory" />
        <context ref="string" />
        <context ref="string-2" />
        <context ref="numeric" />
        <context ref="boolean" />
        <context ref="null-value" />
        <context ref="metadata" />
        <context ref="macro" />
        <context ref="identifier-prefix" />
      </include>
    </context>

  </definitions>
</language>
