<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd">

<!--
  Crystal syntax highlighting definition for Kate.
  Copyright (C) 2022  by Gaurav Shah (gauravshah.89@gmail.com)

  Forked from the Ruby syntax highlighting definition.
  Copyright (C) 2004  by Sebastian Vuorinen (sebastian dot vuorinen at helsinki dot fi)
  Copyright (C) 2004  by Stefan Lang (langstefan@gmx.at)
  Copyright (C) 2008  by Robin Pedersen (robinpeder@gmail.com)
  Copyright (C) 2011  by Miquel Sabaté (mikisabate@gmail.com)

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This library 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
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA  02110-1301, USA.
-->

<!--
    TODO: Division after gdl contexts is interpreted as regexp
-->

<!-- Hold the "language" opening tag on a single line, as mentioned in "language.dtd". -->
<language name="Crystal" section="Sources"
	  version="0" kateversion="5.0"
	  extensions="*.cr"
	  mimetype="application/x-crystal"
	  style="crystal" indenter="ruby"
	  author="Gaurav Shah (gauravshah.89@gmail.com)" license="LGPLv2+">

	<highlighting>

		<list name="keywords">
			<item>begin</item>
			<item>break</item>
			<item>case</item>
			<item>do</item>
			<item>else</item>
			<item>elsif</item>
			<item>end</item>
			<item>ensure</item>
			<item>for</item>
			<item>if</item>
			<item>in</item>
			<item>next</item>
			<item>rescue</item>
			<item>return</item>
			<item>then</item>
			<item>unless</item>
			<item>until</item>
			<item>when</item>
			<item>yield</item>
		</list>

		<list name="access-control">
			<item>private</item>
			<item>protected</item>
		</list>

		<list name="attribute-definitions">
			<item>getter</item>
			<item>setter</item>
			<item>property</item>
		</list>

		<list name="definitions">
			<item>alias</item>
			<item>module</item>
			<item>class</item>
			<item>struct</item>
			<item>def</item>
			<item>macro</item>
		</list>

		<list name="pseudo-variables">
			<item>self</item>
			<item>super</item>
			<item>nil</item>
			<item>false</item>
			<item>true</item>
			<item>caller</item>
			<!-- TODO: move these to psudo constants list -->
			<item>__FILE__</item>
			<item>__LINE__</item>
			<item>__END_LINE__</item>
			<item>__DIR__</item>
		</list>

		<!-- Kernel module methods.
			NOTE: Methods ending in ? or !
				are included below as regexes.
		-->
		<!-- TODO: replace this with Crystal Object methods? -->
		<list name="kernel-methods">
			<!-- backquote ` -->
			<item>abort</item>
			<item>at_exit</item>
			<item>autoload</item>
			<item>autoload?</item>
			<item>binding</item>
			<item>block_given?</item>
			<item>callcc</item>
			<item>caller</item>
			<item>catch</item>
			<item>chomp</item>
			<item>chomp!</item>
			<item>chop</item>
			<item>chop!</item>
			<item>eval</item>
			<item>exec</item>
			<item>exit</item>
			<item>exit!</item>
			<item>fail</item>
			<item>fork</item>
			<item>format</item>
			<item>getc</item>
			<item>gets</item>
			<item>global_variables</item>
			<item>gsub</item>
			<item>gsub!</item>
			<item>iterator?</item>
			<item>lambda</item>
			<item>load</item>
			<item>local_variables</item>
			<item>loop</item>
			<item>method_missing</item>
			<item>open</item>
			<item>p</item>
			<item>print</item>
			<item>printf</item>
			<item>proc</item>
			<item>putc</item>
			<item>puts</item>
			<item>raise</item>
			<item>rand</item>
			<item>readline</item>
			<item>readlines</item>
			<item>require</item>
			<item>require_relative</item>
			<item>scan</item>
			<item>select</item>
			<item>set_trace_func</item>
			<item>sleep</item>
			<item>split</item>
			<item>sprintf</item>
			<item>srand</item>
			<item>sub</item>
			<item>sub!</item>
			<item>syscall</item>
			<item>system</item>
			<item>test</item>
			<item>throw</item>
			<item>trace_var</item>
			<item>trap</item>
			<item>untrace_var</item>
			<item>warn</item>
		</list>

		<list name="mixin-methods">
			<item>extend</item>
			<item>include</item>
		</list>

		<contexts>
			<context name="Normal" attribute="Normal Text" lineEndContext="#stay">
				<!-- crystal ignores newline after \ -->
				<LineContinue attribute="Normal Text" context="Line Continue"/>

				<!-- "shebang" line -->
				<!-- TODO: this may be required once crystal interpreter is ready -->
				<!--<RegExpr attribute="Keyword" String="^#!\/.*" context="#stay" column="0"/>-->

				<!-- "def" - "end" blocks -->
				<!-- check for statement modifiers with regexes -->
				<Detect2Chars attribute="Operator" char="{" char1="%" context="Find closing macro brace" beginRegion="def block"/>
				<DetectChar attribute="Operator" char="{" context="Find closing block brace" beginRegion="def block"/>
				<!-- TODO: why is this needed as a Delimiter? -->
				<DetectChar attribute="Delimiter" char="}" context="check_div_1" endRegion="def block"/>
				<RegExpr attribute="Keyword" String="[=([]\s*(if|unless|while|until)\b|(while|until)\b(?!.*\bdo\b)|\;\s*(while|until)\b(?!.*\bdo\b)|\;\s*(if|unless)\b" context="#stay" beginRegion="def block"/>
				<RegExpr attribute="Keyword" String="(if|unless)\b" context="#stay" beginRegion="def block" firstNonSpace="true"/>
				<WordDetect attribute="Keyword" String="class" context="no_heredoc" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="struct" context="no_heredoc" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="module" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="begin" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="case" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="do" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="macro" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="def" context="Overloaded Operators" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="end" context="#stay" endRegion="def block"/>
				<!-- elsif/else close the current block and start a new one -->
				<RegExpr attribute="Keyword" String="\b(else|elsif|rescue|ensure)\b" context="#stay" endRegion="def block" beginRegion="def block"/>

				<StringDetect attribute="Operator" String="..." context="#stay"/>
				<Detect2Chars attribute="Operator" char="." char1="." context="#stay"/>

				<!-- marks a message being sent, not defined -->
				<RegExpr attribute="Message" String="\.[_a-z][_a-zA-Z0-9]*(\?|\!|\b)" context="check_div_2"/>

				<keyword attribute="Keyword" String="keywords" context="#stay"/>
				<keyword attribute="Attribute Definition" String="attribute-definitions"  context="check_div_2"/>
				<keyword attribute="Access Control" String="access-control" context="check_div_2"/>
				<keyword attribute="Definition" String="definitions"  context="#stay" />
				<keyword attribute="Pseudo variable" String="pseudo-variables"  context="check_div_1"/>
				<keyword attribute="Kernel methods" String="kernel-methods" context="check_div_2"/>
				<keyword attribute="Module mixin methods" String="mixin-methods" context="check_div_2"/>

				<!-- TODO: write a rule for $~ and $? -->
				<RegExpr attribute="Global Constant" String="\b[_A-Z]+[A-Z_0-9]+\b" context="check_div_2"/>
				<!-- Generally a module or class name like "File", "MyModule_1", .. -->
				<RegExpr attribute="Constant" String="\b[A-Z]+_*([0-9]|[a-z])[_a-zA-Z0-9]*\b" context="check_div_2"/>

				<!-- Numeric values. Note that we have to allow underscores between two digits (thus the creepy regular expressions). -->
				<!-- TODO: add support for Crystal number literals -->
				<RegExpr attribute="Hex" String="\b\-?0[xX]([0-9a-fA-F]|_[0-9a-fA-F])+" context="check_div_1"/>
				<RegExpr attribute="Bin" String="\b\-?0[bB]([01]|_[01])+" context="check_div_1"/>
				<RegExpr attribute="Octal" String="\b\-?0[1-7]([0-7]|_[0-7])*" context="check_div_1"/>
				<RegExpr attribute="Float" String="\b\-?[0-9]([0-9]|_[0-9])*\.[0-9]([0-9]|_[0-9])*([eE]\-?[1-9]([0-9]|_[0-9])*(\.[0-9]*)?)?" context="check_div_1"/>
				<RegExpr attribute="Dec" String="\b\-?[1-9]([0-9]|_[0-9])*\b" context="check_div_1"/>
				<Int attribute="Dec" context="check_div_1"/>
				<!-- TODO: what is this? remove if this is not required. -->
				<HlCChar attribute="Char" context="check_div_1"/>

				<!-- recognize the beginning of a HEREDOC
					This uses new features in Kate 2.3 and later

					There is no other chance of keeping heredoc apart from the
					push operator '<<' than requiring to put space between the operator
					and the string.
				-->
				<RegExpr attribute="Operator" context="find_indented_heredoc" String="\s*&lt;&lt;[-~](?=\w+|[&quot;'`])" beginRegion="HereDocument" />
				<RegExpr attribute="Operator" context="find_heredoc" String="\s*&lt;&lt;(?=\w+|[&quot;'`])" beginRegion="HereDocument" />

				<DetectChar attribute="Operator" char="." context="#stay"/>
				<Detect2Chars attribute="Operator" char="&amp;" char1="&amp;" context="#stay"/>
				<Detect2Chars attribute="Operator" char="|" char1="|" context="#stay"/>
				<!-- \s! is regexp hack -->
				<RegExpr attribute="Operator" String="\s[\?\:\%]\s|[|&amp;&lt;&gt;\^\+*~\-=]+|\s!|/=\s" context="#stay"/>
				<Detect2Chars attribute="Operator" char="%" char1="=" context="#stay"/>
				<Detect2Chars attribute="Operator" char=":" char1=":" context="Member Access"/>

				<RegExpr attribute="Symbol" String=":(@{1,2}|\$)?[a-zA-Z_][a-zA-Z0-9_]*[=?!]?|:\[\]=?" context="check_div_1"/>

				<!-- Do not send to "check_div_1" context!:
				     after detecting these rules (": ") there can be a regular expression (see bug: #361875) -->
				<RegExpr attribute="Symbol" String="(@{1,2}|\$)?[a-zA-Z_][a-zA-Z0-9_]*[=?!]?: |\[\]=?: " context="#stay"/>

				<DetectChar attribute="String" char="&quot;" context="Quoted String"/>
				<!-- TODO: There are no single-quoted strings in Crystal. Only single-quoted characters. Modify accordingly. -->
				<DetectChar attribute="Raw String" char="'" context="Apostrophed String"/>
				<DetectChar attribute="Command" char="`" context="Command String"/>

				<!-- TODO: Remove this if not needed -->
				<Detect2Chars attribute="Normal Text" char="?" char1="#" context="#stay"/>

				<DetectChar attribute="Comment" char="#" context="General Comment"/>

				<DetectChar attribute="Delimiter" char="["  context="#stay"/>
				<DetectChar attribute="Delimiter" char="]"  context="check_div_1"/>

				<RegExpr attribute="Instance Variable" String="@[a-zA-Z_0-9]+" context="check_div_1"/>
				<RegExpr attribute="Class Variable" String="@@[a-zA-Z_0-9]+" context="check_div_1"/>

				<!-- handle the different regular expression formats -->
				<DetectChar attribute="Regular Expression" char="/" context="RegEx 1"/>

				<!-- recognize the beginning of a general delimited input format -->
				<!-- this moves to the next context to separate out the exact nature of the GDL input -->
				<RegExpr attribute="GDL input" context="find_gdl_input" String="\s*[%](?=[QqxwW]?[^\s}])" beginRegion="GdlInput" />

				<DetectChar attribute="Normal Text" char=")" context="check_div_1"/>
				<DetectIdentifier attribute="Normal Text" context="check_div_2"/>

			</context>

			<context name="Macro" attribute="Normal Text" lineEndContext="#stay">
				<!-- TODO: copied Macro context from Normal context. repititions can be removed. pls refactor by including rules. -->
				<!-- crystal ignores newline after \ -->
				<LineContinue attribute="Normal Text" context="Line Continue"/>

				<!-- "def" - "end" blocks -->
				<!-- check for statement modifiers with regexes -->
				<DetectChar attribute="Operator" char="{" context="Find closing block brace" beginRegion="def block"/>
				<DetectChar attribute="Delimiter" char="}" context="check_div_1" endRegion="def block"/>
				<RegExpr attribute="Keyword" String="[=([]\s*(if|unless|while|until)\b|(while|until)\b(?!.*\bdo\b)|\;\s*(while|until)\b(?!.*\bdo\b)|\;\s*(if|unless)\b" context="#stay" beginRegion="def block"/>
				<RegExpr attribute="Keyword" String="(if|unless)\b" context="#stay" beginRegion="def block" firstNonSpace="true"/>
				<WordDetect attribute="Keyword" String="begin" context="#stay" beginRegion="def block"/>
				<RegExpr attribute="Keyword" String="\bfor\b(?!.*\bdo\b)" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="do" context="#stay" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="def" context="Overloaded Operators" beginRegion="def block"/>
				<WordDetect attribute="Keyword" String="end" context="#stay" endRegion="def block"/>
				<!-- elsif/else close the current block and start a new one -->
				<RegExpr attribute="Keyword" String="\b(else|elsif|rescue|ensure)\b" context="#stay" endRegion="def block" beginRegion="def block"/>

				<StringDetect attribute="Operator" String="..." context="#stay"/>
				<Detect2Chars attribute="Operator" char="." char1="." context="#stay"/>

				<!-- marks a message (being sent, not defined) -->
				<RegExpr attribute="Message" String="\.[_a-z][_a-zA-Z0-9]*(\?|\!|\b)" context="check_div_2"/>

				<keyword attribute="Keyword" String="keywords" context="#stay"/>
				<keyword attribute="Attribute Definition" String="attribute-definitions"  context="check_div_2"/>
				<keyword attribute="Definition" String="definitions"  context="#stay" />
				<keyword attribute="Pseudo variable" String="pseudo-variables"  context="check_div_1"/>

				<RegExpr attribute="Global Constant" String="\b[_A-Z]+[A-Z_0-9]+\b" context="check_div_2"/>
				<!-- Generally a module or class name like "File", "MyModule_1", .. -->
				<RegExpr attribute="Constant" String="\b[A-Z]+_*([0-9]|[a-z])[_a-zA-Z0-9]*\b" context="check_div_2"/>

				<!-- Numeric values. Note that we have to allow underscores between two digits (thus the creepy regular expressions). -->
				<RegExpr attribute="Hex" String="\b\-?0[xX]([0-9a-fA-F]|_[0-9a-fA-F])+" context="check_div_1"/>
				<RegExpr attribute="Bin" String="\b\-?0[bB]([01]|_[01])+" context="check_div_1"/>
				<RegExpr attribute="Octal" String="\b\-?0[1-7]([0-7]|_[0-7])*" context="check_div_1"/>
				<RegExpr attribute="Float" String="\b\-?[0-9]([0-9]|_[0-9])*\.[0-9]([0-9]|_[0-9])*([eE]\-?[1-9]([0-9]|_[0-9])*(\.[0-9]*)?)?" context="check_div_1"/>
				<RegExpr attribute="Dec" String="\b\-?[1-9]([0-9]|_[0-9])*\b" context="check_div_1"/>
				<Int attribute="Dec" context="check_div_1"/>
				<HlCChar attribute="Char" context="check_div_1"/>

				<!-- recognize the beginning of a HEREDOC
					This uses new features in Kate 2.3 and later

					There is no other chance of keeping heredoc apart from the
					push operator '<<' than requiring to put space between the operator
					and the string.
				-->
				<RegExpr attribute="Operator" context="find_indented_heredoc" String="\s*&lt;&lt;[-~](?=\w+|[&quot;'`])" beginRegion="HereDocument" />
				<RegExpr attribute="Operator" context="find_heredoc" String="\s*&lt;&lt;(?=\w+|[&quot;'`])" beginRegion="HereDocument" />

				<DetectChar attribute="Operator" char="." context="#stay"/>
				<Detect2Chars attribute="Operator" char="&amp;" char1="&amp;" context="#stay"/>
				<Detect2Chars attribute="Operator" char="|" char1="|" context="#stay"/>
				<!-- \s! is regexp hack -->
				<RegExpr attribute="Operator" String="\s[\?\:\%]\s|[|&amp;&lt;&gt;\^\+*~\-=]+|\s!|/=\s" context="#stay"/>
				<Detect2Chars attribute="Operator" char="%" char1="=" context="#stay"/>
				<Detect2Chars attribute="Operator" char=":" char1=":" context="Member Access"/>

				<RegExpr attribute="Symbol" String=":(@{1,2}|\$)?[a-zA-Z_][a-zA-Z0-9_]*[=?!]?|:\[\]=?" context="check_div_1"/>

				<!-- Do not send to "check_div_1" context!:
				     after detecting these rules (": ") there can be a regular expression (see bug: #361875) -->
				<RegExpr attribute="Symbol" String="(@{1,2}|\$)?[a-zA-Z_][a-zA-Z0-9_]*[=?!]?: |\[\]=?: " context="#stay"/>

				<DetectChar attribute="String" char="&quot;" context="Quoted String"/>
				<!-- TODO: There are no single-quoted strings in Crystal. Only single-quoted characters. Modify accordingly. -->
				<DetectChar attribute="Raw String" char="'" context="Apostrophed String"/>
				<DetectChar attribute="Command" char="`" context="Command String"/>

				<!-- TODO: Remove this if not needed -->
				<Detect2Chars attribute="Normal Text" char="?" char1="#" context="#stay"/>

				<DetectChar attribute="Comment" char="#" context="General Comment"/>

				<DetectChar attribute="Delimiter" char="["  context="#stay"/>
				<DetectChar attribute="Delimiter" char="]"  context="check_div_1"/>

				<!-- handle the different regular expression formats -->
				<DetectChar attribute="Regular Expression" char="/" context="RegEx 1"/>

				<!-- recognize the beginning of a general delimited input format -->
				<!-- this moves to the next context to separate out the exact nature of the GDL input -->
				<RegExpr attribute="GDL input" context="find_gdl_input" String="\s*[%](?=[QqxwW]?[^\s}])" beginRegion="GdlInput" />

				<DetectChar attribute="Normal Text" char=")" context="check_div_1"/>
				<DetectIdentifier attribute="Normal Text" context="check_div_2"/>
			</context>

			<context name="Overloaded Operators" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop" lineEndContext="#pop">
				<DetectSpaces attribute="Normal Text" context="#stay"/>
				<DetectChar attribute="Normal Text" char="/" context="#pop"/>
			</context>

			<!-- In the following contexts, a slash character ('/') is a division operator -->
			<!-- Everywhere else, it's a regular expression delimiter -->

			<!-- A slash is always a division operator, even if preceeded by whitespace -->
			<context name="check_div_1" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop" lineEndContext="#pop">
				<Detect2Chars attribute="Operator" char="/" char1="/" context="#pop"/>
				<DetectSpaces attribute="Normal Text" context="#stay"/>
				<Detect2Chars attribute="Operator" char="%" char1="}" context="#pop#pop"/>
				<AnyChar attribute="Operator" String="/%" context="#pop"/>
			</context>

			<!-- Same as check_div_1, but with double pop to exit the surrounding context -->
			<context name="check_div_1_pop" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop#pop" lineEndContext="#pop#pop">
				<Detect2Chars attribute="Operator" char="/" char1="/" context="#pop#pop"/>
				<DetectSpaces attribute="Normal Text" context="#stay"/>
				<Detect2Chars attribute="Operator" char="%" char1="}" context="#pop#pop#pop#pop"/>
				<AnyChar attribute="Operator" String="/%" context="#pop#pop"/>
			</context>

			<!-- A slash is division operator if it's the first character, or if preceeded and followed by whitespace -->
			<context name="check_div_2" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop" lineEndContext="#pop">
				<Detect2Chars attribute="Operator" char="/" char1="/" context="#pop"/>
				<AnyChar attribute="Operator" String="/%" context="#pop"/>
				<DetectSpaces attribute="Normal Text" context="check_div_2_internal"/>
			</context>

			<!-- Internal context used by check_div_2 -->
			<context name="check_div_2_internal" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop#pop" lineEndContext="#pop#pop">
				<RegExpr attribute="Operator" String="(//|[/%])(?=\s)" context="#pop#pop"/>
			</context>

			<!-- Same as check_div_2, but with double pop to exit the surrounding context -->
			<context name="check_div_2_pop" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop#pop" lineEndContext="#pop#pop">
				<Detect2Chars attribute="Operator" char="/" char1="/" context="#pop#pop"/>
				<AnyChar attribute="Operator" String="/%" context="#pop#pop"/>
				<DetectSpaces attribute="Normal Text" context="check_div_2_pop_internal"/>
			</context>

			<!-- Internal context used by check_div_2_pop -->
			<context name="check_div_2_pop_internal" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop#pop#pop" lineEndContext="#pop#pop#pop">
				<RegExpr attribute="Operator" String="//(?=\s)" context="#pop#pop#pop"/>
				<DetectChar attribute="Operator" char="%" context="#pop#pop#pop"/>
				<RegExpr attribute="Operator" String="/(?=\s)" context="#pop#pop#pop"/>
			</context>

			<context name="Line Continue" attribute="Normal Text" lineEndContext="#pop">
				<RegExpr attribute="Keyword" String="(while|until)\b(?!.*\bdo\b)|(if|unless)\b" context="#stay" firstNonSpace="true"/>
				<IncludeRules context="Normal"/>
			</context>

			<context name="Find closing macro brace" attribute="Normal Text" lineEndContext="#stay">
				<Detect2Chars attribute="Operator" char="%" char1="}" context="check_div_1_pop" endRegion="def block"/>
				<IncludeRules context="Macro"/>
			</context>

			<context name="Find closing block brace" attribute="Normal Text" lineEndContext="#stay">
				<DetectChar attribute="Operator" char="}" context="check_div_1_pop" endRegion="def block"/>
				<IncludeRules context="Normal"/>
			</context>

			<context name="Quoted String" attribute="String" lineEndContext="#stay">
				<Detect2Chars attribute="String" char="\" char1="\" context="#stay"/>
				<Detect2Chars attribute="String" char="\" char1="&quot;" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
				<DetectChar char="&quot;" attribute="String" context="check_div_1_pop"/>
			</context>

			<context name="Apostrophed String" attribute="Raw String" lineEndContext="#stay">
				<Detect2Chars attribute="String" char="\" char1="\" context="#stay"/>
				<Detect2Chars attribute="String" char="\" char1="'" context="#stay"/>
				<DetectChar char="'" attribute="Raw String" context="check_div_1_pop"/>
			</context>

			<context name="Command String" attribute="Command" lineEndContext="#stay">
				<Detect2Chars attribute="String" char="\" char1="\" context="#stay"/>
				<Detect2Chars attribute="String" char="\" char1="`" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
				<DetectChar char="`" attribute="Command" context="check_div_1_pop"/>
			</context>

			<context name="RegEx 1" attribute="Regular Expression" lineEndContext="#stay">
				<Detect2Chars attribute="Regular Expression" char="\" char1="/" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
				<RegExpr attribute="Regular Expression" String="/[uiomxn]*" context="check_div_1_pop"/>
			</context>

			<!-- Substitutions can be nested -->
			<context name="Subst" attribute="Normal Text" lineEndContext="#stay">
				<DetectChar attribute="Substitution" char="}" context="#pop"/>
				<!-- Highlight substitution as code. -->
				<IncludeRules context="Normal"/>
			</context>

			<context name="Short Subst" attribute="Substitution" lineEndContext="#pop">
				<!-- Check for e.g.: "#@var#@@xy" -->
				<RegExpr attribute="Substitution" String="#@{1,2}" context="#stay"/>
				<RegExpr attribute="Substitution" String="\w(?!\w)" context="#pop"/>
			</context>

			<!-- This handles access of nested module classes and class methods -->
			<context name="Member Access" attribute="Member" lineEndContext="#pop">
				<!-- marks a message (being sent, not defined) -->
				<RegExpr attribute="Message" String="\.?[_a-z]\w*(\?|\!)?(?=[^\w\d\.\:])" context="check_div_2_pop"/>
				<RegExpr attribute="Message" String="\.?[_a-z]\w*(\?|\!)?" context="#stay"/>
				<RegExpr attribute="Constant" String="[A-Z]+_*(\d|[a-z])\w*(?=[^\w\d\.\:])" context="check_div_2_pop"/>
				<RegExpr attribute="Constant" String="[A-Z]+_*([0-9]|[a-z])\w*" context="#stay"/>
				<RegExpr attribute="Constant Value" String="[_A-Z][_A-Z0-9]*(?=[^\w\d\.\:])" context="check_div_2_pop"/>
				<RegExpr attribute="Constant Value" String="[_A-Z][_A-Z0-9]*" context="#stay"/>
				<Detect2Chars attribute="Operator" char=":" char1=":" context="#stay"/>
				<DetectChar attribute="Member" char="." context="#stay"/>

				<AnyChar attribute="Operator" String="=+-*/%|&amp;[]{}~" context="#pop"/>
				<DetectChar attribute="Comment" char="#" context="#pop"/>
				<AnyChar attribute="Normal Text" String="()\" context="#pop"/>
				<RegExpr attribute="Member" String="\W" context="#pop"/>
			</context>

			<context name="General Comment" attribute="Comment" lineEndContext="#pop">
				<DetectSpaces />
				<IncludeRules context="##Comments" />
			</context>

			<!-- HEREDOC support
				The contexts below support both normal and indented heredocs
			 -->
			<!-- here we markup the heredoc markers -->
			<context name="find_heredoc" attribute="Normal Text" lineEndContext="#pop" fallthrough="true" fallthroughContext="#pop">
				<RegExpr attribute="Keyword" context="apostrophed_normal_heredoc" String="'(\w+)'" />
				<RegExpr attribute="Keyword" context="normal_heredoc" String="(?|(\w+)|&quot;(\w+)&quot;|`(\w+)`)" />
			</context>
			<context name="find_indented_heredoc" attribute="Normal Text" lineEndContext="#pop" fallthrough="true" fallthroughContext="#pop">
				<RegExpr attribute="Keyword" context="apostrophed_indented_heredoc" String="'(\w+)'" />
				<RegExpr attribute="Keyword" context="indented_heredoc" String="(?|(\w+)|&quot;(\w+)&quot;|`(\w+)`)" />
			</context>
			<!-- these are the real heredoc contexts -->
			<context name="indented_heredoc" attribute="Here Document" lineEndContext="#stay" dynamic="true">
				<RegExpr attribute="Keyword" context="#pop#pop" String="%1$" dynamic="true" endRegion="HereDocument" firstNonSpace="true"/>
				<IncludeRules context="heredoc_rules" />
			</context>
			<context name="apostrophed_indented_heredoc" attribute="Here Document" lineEndContext="#stay" dynamic="true">
				<RegExpr attribute="Keyword" context="#pop#pop" String="%1$" dynamic="true" endRegion="HereDocument" firstNonSpace="true"/>
			</context>

			<context name="normal_heredoc" attribute="Here Document" lineEndContext="#stay" dynamic="true">
				<RegExpr attribute="Keyword" context="#pop#pop" String="^%1$" dynamic="true" endRegion="HereDocument" column="0"/>
				<IncludeRules context="heredoc_rules" />
			</context>
			<context name="apostrophed_normal_heredoc" attribute="Here Document" lineEndContext="#stay" dynamic="true">
				<RegExpr attribute="Keyword" context="#pop#pop" String="^%1$" dynamic="true" endRegion="HereDocument" column="0"/>
			</context>

			<!-- rules for heredoc types -->
			<context name="heredoc_rules" attribute="Normal Text" lineEndContext="#stay">
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
			</context>

			<!-- avoid highlighting heredoc markers, for example, in singleton class definition (see bug: #358273) -->
			<context name="no_heredoc" attribute="Normal Text" lineEndContext="#stay" fallthrough="true" fallthroughContext="#pop">
				<DetectSpaces />
				<Detect2Chars attribute="Operator" char="&lt;" char1="&lt;" context="#pop"/>
				<!-- comments -->
				<RegExpr attribute="Comment" String="^#\s*BEGIN.*$"  context="#stay" beginRegion="marker" column="0"/>
				<RegExpr attribute="Comment" String="^#\s*END.*$"  context="#stay" endRegion="marker" column="0"/>
				<DetectChar attribute="Comment" char="#" context="General Comment"/>
			</context>

			<!-- General delimited input support
				The contexts below handle the various gdl formats
			 -->
			<context name="find_gdl_input" attribute="Normal Text" lineEndContext="#pop">

				<!-- handle token arrays -->
				<Detect2Chars attribute="GDL input" context="gdl_token_array_1" char="w" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_2" char="w" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_3" char="w" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_4" char="w" char1="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_token_array_5" String="w([^\s\w])" />

				<!-- handle token arrays -->
				<Detect2Chars attribute="GDL input" context="gdl_token_array_1" char="W" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_2" char="W" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_3" char="W" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_token_array_4" char="W" char1="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_token_array_5" String="W([^\s\w])" />

				<!-- handle apostrophed strings -->
				<Detect2Chars attribute="GDL input" context="gdl_apostrophed_1" char="q" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_apostrophed_2" char="q" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_apostrophed_3" char="q" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_apostrophed_4" char="q" char1="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_apostrophed_5" String="q([^\s\w])" />

				<!-- handle shell commands -->
				<Detect2Chars attribute="GDL input" context="gdl_shell_command_1" char="x" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_shell_command_2" char="x" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_shell_command_3" char="x" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_shell_command_4" char="x" char1="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_shell_command_5" String="x([^\s\w])" />

				<!-- handle regular expressions -->
				<Detect2Chars attribute="GDL input" context="gdl_regexpr_1" char="r" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_regexpr_2" char="r" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_regexpr_3" char="r" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_regexpr_4" char="r" char1="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_regexpr_5" String="r([^\s\w])" />

				<!-- handle double-quoted strings -->
				<!--
					  be careful to make this the last GDL ruleset, because the rule for
					  the short form %?foo? will otherwise catch any of the other formats
				-->
				<Detect2Chars attribute="GDL input" context="gdl_dq_string_1" char="Q" char1="(" />
				<Detect2Chars attribute="GDL input" context="gdl_dq_string_2" char="Q" char1="{" />
				<Detect2Chars attribute="GDL input" context="gdl_dq_string_3" char="Q" char1="[" />
				<Detect2Chars attribute="GDL input" context="gdl_dq_string_4" char="Q" char1="&lt;" />
				<DetectChar attribute="GDL input" context="gdl_dq_string_1" char="(" />
				<DetectChar attribute="GDL input" context="gdl_dq_string_2" char="{" />
				<DetectChar attribute="GDL input" context="gdl_dq_string_3" char="[" />
				<DetectChar attribute="GDL input" context="gdl_dq_string_4" char="&lt;" />
				<!-- then we handle the 'any char' format -->
				<RegExpr attribute="GDL input" context="gdl_dq_string_5" String="Q?([^\s\w])" />

			</context>
			<!-- double-quoted string specific contexts follow -->
			<context name="gdl_dq_string_1" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="dq_string_rules" />
				<Detect2Chars attribute="String" char="\" char1=")" context="#stay"/>
				<DetectChar attribute="String" context="gdl_dq_string_1_nested" char="(" />
				<DetectChar attribute="GDL input" context="#pop#pop" char=")" endRegion="GdlInput" />
			</context>
			<context name="gdl_dq_string_1_nested" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="dq_string_rules" />
				<DetectChar attribute="String" context="gdl_dq_string_1_nested" char="(" />
				<DetectChar attribute="String" context="#pop" char=")" />
			</context>
			<!-- note that here substitution should win over nesting -->
			<context name="gdl_dq_string_2" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="dq_string_rules" />
				<Detect2Chars attribute="String" char="\" char1="}" context="#stay"/>
				<DetectChar attribute="GDL input" context="#pop#pop" char="}" endRegion="GdlInput" />
				<DetectChar attribute="String" context="gdl_dq_string_2_nested" char="{" />
			</context>
			<context name="gdl_dq_string_2_nested" attribute="String" lineEndContext="#stay" >
				<DetectChar attribute="String" context="gdl_dq_string_2_nested" char="{" />
				<DetectChar attribute="String" context="#pop" char="}" />
				<IncludeRules context="dq_string_rules" />
			</context>

			<context name="gdl_dq_string_3" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="dq_string_rules" />
				<Detect2Chars attribute="String" char="\" char1="]" context="#stay"/>
				<DetectChar attribute="String" context="gdl_dq_string_3_nested" char="[" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="]" endRegion="GdlInput" />
			</context>
			<context name="gdl_dq_string_3_nested" attribute="String" lineEndContext="#stay" >
				<DetectChar attribute="String" context="gdl_dq_string_3_nested" char="[" />
				<DetectChar attribute="String" context="#pop" char="]" />
				<IncludeRules context="dq_string_rules" />
			</context>

			<context name="gdl_dq_string_4" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="dq_string_rules" />
				<Detect2Chars attribute="String" char="\" char1="&gt;" context="#stay"/>
				<DetectChar attribute="String" context="gdl_dq_string_4_nested" char="&lt;" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="&gt;" endRegion="GdlInput" />
			</context>
			<context name="gdl_dq_string_4_nested" attribute="String" lineEndContext="#stay" >
				<DetectChar attribute="String" context="gdl_dq_string_4_nested" char="&lt;" />
				<DetectChar attribute="String" context="#pop" char="&gt;" />
				<IncludeRules context="dq_string_rules" />
			</context>

			<!-- this format doesn't allow nesting. it is terminated by the next occurrence of the
				delimiter character
			 -->
			<context name="gdl_dq_string_5" attribute="String" lineEndContext="#stay" dynamic="true">
				<IncludeRules context="dq_string_rules" />
				<StringDetect attribute="String" String="\%1" context="#stay" dynamic="true" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="\s*%1" dynamic="true" endRegion="GdlInput" />
			</context>
			<!-- rules to be included in all dq_string contexts -->
			<context name="dq_string_rules" attribute="String" lineEndContext="#stay" >
				<Detect2Chars attribute="String" char="\" char1="\" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
			</context>

			<!-- token array specific contexts -->

			<context name="gdl_token_array_1" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<Detect2Chars attribute="String" char="\" char1=")" context="#stay"/>
				<DetectChar attribute="String" context="gdl_token_array_1_nested" char="(" />
				<DetectChar attribute="GDL input" context="#pop#pop" char=")" endRegion="GdlInput" />
			</context>
			<context name="gdl_token_array_1_nested" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<DetectChar attribute="String" context="gdl_token_array_1_nested" char="(" />
				<DetectChar attribute="String" context="#pop" char=")" />
			</context>

			<context name="gdl_token_array_2" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<Detect2Chars attribute="String" char="\" char1="}" context="#stay"/>
				<DetectChar attribute="GDL input" context="#pop#pop" char="}" endRegion="GdlInput" />
				<DetectChar attribute="String" context="gdl_token_array_2_nested" char="{" />
			</context>
			<context name="gdl_token_array_2_nested" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<DetectChar attribute="String" context="gdl_token_array_2_nested" char="{" />
				<DetectChar attribute="String" context="#pop" char="}" />
			</context>

			<context name="gdl_token_array_3" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<Detect2Chars attribute="String" char="\" char1="]" context="#stay"/>
				<DetectChar attribute="String" context="gdl_token_array_3_nested" char="[" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="]" endRegion="GdlInput" />
			</context>
			<context name="gdl_token_array_3_nested" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<DetectChar attribute="String" context="gdl_token_array_3_nested" char="[" />
				<DetectChar attribute="String" context="#pop" char="]" />
			</context>

			<context name="gdl_token_array_4" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<Detect2Chars attribute="String" char="\" char1="&gt;" context="#stay"/>
				<DetectChar attribute="String" context="gdl_token_array_4_nested" char="&lt;" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="&gt;" endRegion="GdlInput" />
			</context>
			<context name="gdl_token_array_4_nested" attribute="String" lineEndContext="#stay" >
				<IncludeRules context="token_array_rules" />
				<DetectChar attribute="String" context="gdl_token_array_4_nested" char="&lt;" />
				<DetectChar attribute="String" context="#pop" char="&gt;" />
			</context>

			<!-- this format doesn't allow nesting. it is terminated by the next occurrence of the
				delimiter character
			 -->
			<context name="gdl_token_array_5" attribute="String" lineEndContext="#stay" dynamic="true">
				<IncludeRules context="token_array_rules" />
				<StringDetect attribute="String" String="\%1" context="#stay" dynamic="true"/>
				<RegExpr attribute="GDL input" context="#pop#pop" String="\s*%1" dynamic="true" endRegion="GdlInput" />
			</context>

			<!-- rules to be included in all token_array contexts -->
			<context name="token_array_rules" attribute="String" lineEndContext="#stay" >
				<Detect2Chars attribute="String" char="\" char1="\" context="#stay"/>
			</context>

			<!-- apostrophed string specific contexts -->

			<context name="gdl_apostrophed_1" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<Detect2Chars attribute="Raw String" char="\" char1=")" context="#stay"/>
				<DetectChar attribute="Raw String" context="gdl_apostrophed_1_nested" char="(" />
				<DetectChar attribute="GDL input" context="#pop#pop" char=")" endRegion="GdlInput" />
			</context>
			<context name="gdl_apostrophed_1_nested" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<DetectChar attribute="Raw String" context="gdl_apostrophed_1_nested" char="(" />
				<DetectChar attribute="Raw String" context="#pop" char=")" />
			</context>

			<context name="gdl_apostrophed_2" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<Detect2Chars attribute="Raw String" char="\" char1="}" context="#stay"/>
				<DetectChar attribute="GDL input" context="#pop#pop" char="}" endRegion="GdlInput" />
				<DetectChar attribute="Raw String" context="gdl_apostrophed_2_nested" char="{" />
			</context>
			<context name="gdl_apostrophed_2_nested" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<DetectChar attribute="Raw String" context="gdl_apostrophed_2_nested" char="{" />
				<DetectChar attribute="Raw String" context="#pop" char="}" />
			</context>

			<context name="gdl_apostrophed_3" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<Detect2Chars attribute="Raw String" char="\" char1="]" context="#stay"/>
				<DetectChar attribute="Raw String" context="gdl_apostrophed_3_nested" char="[" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="]" endRegion="GdlInput" />
			</context>
			<context name="gdl_apostrophed_3_nested" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<DetectChar attribute="Raw String" context="gdl_apostrophed_3_nested" char="[" />
				<DetectChar attribute="Raw String" context="#pop" char="]" />
			</context>

			<context name="gdl_apostrophed_4" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<Detect2Chars attribute="Raw String" char="\" char1="&gt;" context="#stay"/>
				<DetectChar attribute="Raw String" context="gdl_apostrophed_4_nested" char="&lt;" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="&gt;" endRegion="GdlInput" />
			</context>
			<context name="gdl_apostrophed_4_nested" attribute="Raw String" lineEndContext="#stay" >
				<IncludeRules context="apostrophed_rules" />
				<DetectChar attribute="Raw String" context="gdl_apostrophed_4_nested" char="&lt;" />
				<DetectChar attribute="Raw String" context="#pop" char="&gt;" />
			</context>

			<!-- this format doesn't allow nesting. it is terminated by the next occurrence of the
				delimiter character
			 -->
			<context name="gdl_apostrophed_5" attribute="Raw String" lineEndContext="#stay" dynamic="true">
				<IncludeRules context="apostrophed_rules" />
				<StringDetect attribute="Raw String" String="\%1" context="#stay" dynamic="true"/>
				<RegExpr attribute="GDL input" context="#pop#pop" String="\s*%1" dynamic="true" endRegion="GdlInput" />
			</context>

			<!-- rules to be included in all apostrophed contexts -->
			<context name="apostrophed_rules" attribute="Raw String" lineEndContext="#stay" >
				<Detect2Chars attribute="Raw String" char="\" char1="\" context="#stay"/>
			</context>

			<!-- shell command specific contexts -->

			<context name="gdl_shell_command_1" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<Detect2Chars attribute="Command" char="\" char1=")" context="#stay"/>
				<DetectChar attribute="Command" context="gdl_shell_command_1_nested" char="(" />
				<DetectChar attribute="GDL input" context="#pop#pop" char=")" endRegion="GdlInput" />
			</context>
			<context name="gdl_shell_command_1_nested" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<DetectChar attribute="Command" context="gdl_shell_command_1_nested" char="(" />
				<DetectChar attribute="Command" context="#pop" char=")" />
			</context>

			<context name="gdl_shell_command_2" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<Detect2Chars attribute="Command" char="\" char1="}" context="#stay"/>
				<DetectChar attribute="GDL input" context="#pop#pop" char="}" endRegion="GdlInput" />
				<DetectChar attribute="Command" context="gdl_shell_command_2_nested" char="{" />
			</context>
			<context name="gdl_shell_command_2_nested" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<DetectChar attribute="Command" context="gdl_shell_command_2_nested" char="{" />
				<DetectChar attribute="Command" context="#pop" char="}" />
			</context>

			<context name="gdl_shell_command_3" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<Detect2Chars attribute="Command" char="\" char1="]" context="#stay"/>
				<DetectChar attribute="Command" context="gdl_shell_command_3_nested" char="[" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="]" endRegion="GdlInput" />
			</context>
			<context name="gdl_shell_command_3_nested" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<DetectChar attribute="Command" context="gdl_shell_command_3_nested" char="[" />
				<DetectChar attribute="Command" context="#pop" char="]" />
			</context>

			<context name="gdl_shell_command_4" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<Detect2Chars attribute="Command" char="\" char1="&gt;" context="#stay"/>
				<DetectChar attribute="Command" context="gdl_shell_command_4_nested" char="&lt;" />
				<DetectChar attribute="GDL input" context="#pop#pop" char="&gt;" endRegion="GdlInput" />
			</context>
			<context name="gdl_shell_command_4_nested" attribute="Command" lineEndContext="#stay" >
				<IncludeRules context="shell_command_rules" />
				<DetectChar attribute="Command" context="gdl_shell_command_4_nested" char="&lt;" />
				<DetectChar attribute="Command" context="#pop" char="&gt;" />
			</context>

			<!-- this format doesn't allow nesting. it is terminated by the next occurrence of the
				delimiter character
			 -->
			<context name="gdl_shell_command_5" attribute="Command" lineEndContext="#stay" dynamic="true">
				<IncludeRules context="shell_command_rules" />
				<StringDetect attribute="Command" String="\%1" context="#stay" dynamic="true" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="\s*%1" dynamic="true" endRegion="GdlInput" />
			</context>

			<!-- rules to be included in all shell_command contexts -->
			<context name="shell_command_rules" attribute="Command" lineEndContext="#stay" >
				<Detect2Chars attribute="Command" char="\" char1="\" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
			</context>

			<!-- regular expression specific contexts -->

			<context name="gdl_regexpr_1" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<Detect2Chars attribute="Regular Expression" char="\" char1=")" context="#stay"/>
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_1_nested" char="(" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="\)[uiomxn]*" endRegion="GdlInput" />
			</context>
			<context name="gdl_regexpr_1_nested" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_1_nested" char="(" />
				<DetectChar attribute="Regular Expression" context="#pop" char=")" />
			</context>

			<context name="gdl_regexpr_2" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<Detect2Chars attribute="Regular Expression" char="\" char1="}" context="#stay"/>
				<RegExpr attribute="GDL input" context="#pop#pop" String="\}[uiomxn]*" endRegion="GdlInput" />
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_2_nested" char="{" />
			</context>
			<context name="gdl_regexpr_2_nested" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_2_nested" char="{" />
				<DetectChar attribute="Regular Expression" context="#pop" char="}" />
			</context>

			<context name="gdl_regexpr_3" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<Detect2Chars attribute="Regular Expression" char="\" char1="]" context="#stay"/>
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_3_nested" char="[" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="\][uiomxn]*" endRegion="GdlInput" />
			</context>
			<context name="gdl_regexpr_3_nested" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_3_nested" char="[" />
				<DetectChar attribute="Regular Expression" context="#pop" char="]" />
			</context>

			<context name="gdl_regexpr_4" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<Detect2Chars attribute="Regular Expression" char="\" char1="&gt;" context="#stay"/>
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_4_nested" char="&lt;" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="&gt;[uiomxn]*" endRegion="GdlInput" />
			</context>
			<context name="gdl_regexpr_4_nested" attribute="Regular Expression" lineEndContext="#stay" >
				<IncludeRules context="regexpr_rules" />
				<DetectChar attribute="Regular Expression" context="gdl_regexpr_4_nested" char="&lt;" />
				<DetectChar attribute="Regular Expression" context="#pop" char="&gt;" />
			</context>

			<!-- this format doesn't allow nesting. it is terminated by the next occurrence of the
				delimiter character
			 -->
			<context name="gdl_regexpr_5" attribute="Regular Expression" lineEndContext="#stay" dynamic="true">
				<IncludeRules context="regexpr_rules" />
				<StringDetect attribute="Regular Expression" String="\%1" context="#stay" dynamic="true" />
				<RegExpr attribute="GDL input" context="#pop#pop" String="\s*%1[uiomxn]*" dynamic="true" endRegion="GdlInput" />
			</context>

			<!-- rules to be included in all regexpr contexts -->
			<context name="regexpr_rules" attribute="Regular Expression" lineEndContext="#stay" >
				<Detect2Chars attribute="Regular Expression" char="\" char1="\" context="#stay"/>
				<RegExpr attribute="Substitution" String="#@{1,2}" context="Short Subst"/>
				<Detect2Chars attribute="Substitution" char="#" char1="{" context="Subst"/>
			</context>

			<!-- END of General delimited input support -->

		</contexts>

		<itemDatas>
			<itemData name="Normal Text" defStyleNum="dsNormal"/>

			<itemData name="Keyword" defStyleNum="dsControlFlow"/>
			<itemData name="Attribute Definition" defStyleNum="dsOthers"/>
			<itemData name="Access Control" defStyleNum="dsAttribute" bold="1"/> <!-- #0000FF -->
			<itemData name="Definition" defStyleNum="dsKeyword"/>
			<itemData name="Pseudo variable" defStyleNum="dsDecVal"/>

			<itemData name="Dec" defStyleNum="dsDecVal"/>
			<itemData name="Float" defStyleNum="dsFloat"/>
			<itemData name="Char" defStyleNum="dsChar"/>
			<itemData name="Octal" defStyleNum="dsBaseN"/>
			<itemData name="Hex" defStyleNum="dsBaseN"/>
			<itemData name="Bin" defStyleNum="dsBaseN"/>

			<itemData name="Symbol" defStyleNum="dsWarning" bold="0" underline="0"/> <!-- #D40000 -->
			<itemData name="String" defStyleNum="dsString"/>
			<itemData name="Raw String" defStyleNum="dsVerbatimString" /> <!-- #DD4A4A -->
			<itemData name="Command" defStyleNum="dsInformation"/> <!-- #AA3000 -->
			<itemData name="Message" defStyleNum="dsAttribute" bold="0"/> <!-- #4000A7 -->
			<itemData name="Regular Expression" defStyleNum="dsSpecialString"/> <!-- #4A5704 -->
			<itemData name="Substitution"	defStyleNum="dsSpecialChar"/>
			<!-- short for 'general delimited input' -->
			<itemData name="GDL input" defStyleNum="dsOthers" />

			<itemData name="Global Constant" defStyleNum="dsConstant" bold="1"/> <!-- #bb1188 -->
			<itemData name="Constant" defStyleNum="dsDataType"/>
			<itemData name="Constant Value" defStyleNum="dsConstant" bold="0"/> <!-- #bb1188 -->
			<itemData name="Kernel methods" defStyleNum="dsFunction" bold="1"/> <!-- #CC0E86 -->
			<itemData name="Module mixin methods" defStyleNum="dsFunction" bold="1"/> <!-- #CC0E86 -->
			<itemData name="Member" defStyleNum="dsNormal"/>
			<itemData name="Instance Variable" defStyleNum="dsOthers"/>
			<itemData name="Class Variable" defStyleNum="dsOthers"/>

			<itemData name="Comment" defStyleNum="dsComment"/>

			<itemData name="Here Document" defStyleNum="dsDocumentation"/>

			<itemData name="Delimiter" defStyleNum="dsKeyword"/> <!-- #FF9FEC -->
			<itemData name="Operator" defStyleNum="dsKeyword"/> <!-- #FF9FEC -->
		</itemDatas>
	</highlighting>
	<general>
		<comments>
			<comment name="singleLine" start="#" position="afterwhitespace"/>
		</comments>
		<keywords casesensitive="1" weakDeliminator="!?"/>
	</general>
</language>

<!-- kate: replace-tabs off; -->
