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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE language SYSTEM "language.dtd">
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<!-- Kate 2.5 (KDE 3.5) highlighting module for R
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	based on an earlier version by E.L. Willighagen. Code folding code by Ben Goodrich
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	version 2.0: (c) 2006 Thomas Friedrichsmeier, Arne Henningsen, and the RKWard Team
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	license: GPL v2
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	Kate   : http://kate.kde.org/
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	R      : http://www.r-project.org/
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	RKWard : http://rkward.kde.org/
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	-->
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<language version="12" kateversion="5.0" name="R Script" section="Scientific" extensions="*.R;*.r;*.S;*.s;*.q" mimetype="" license="GPLv2">
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<highlighting>
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	<list name="controls">
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		<item>for</item>
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		<item>in</item>
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		<item>next</item>
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		<item>break</item>
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		<item>while</item>
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		<item>repeat</item>
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		<item>if</item>
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		<item>else</item>
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		<item>switch</item>
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		<item>function</item>
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	</list>
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	<list name="words">
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		<item>TRUE</item>
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		<item>FALSE</item>
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		<item>NULL</item>
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		<item>NA</item>
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		<item>NA_integer_</item>
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		<item>NA_real_</item>
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		<item>NA_complex_</item>
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		<item>NA_character_</item>
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		<item>Inf</item>
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		<item>NaN</item>
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	</list>
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	<contexts>
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		<!-- This context is really only good for detecting unexpected closing braces '}'. Since opening braces go to ctx0 (and nesting in there), this context is only active on the base level -->
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		<context attribute="Normal Text" lineEndContext="#stay" name="level0">
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			<IncludeRules context="CommonRules"/>
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			<AnyChar attribute="Error" context="#stay" String="})"/>
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		</context>
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		<context attribute="Normal Text" lineEndContext="#stay" name="ctx0">
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			<IncludeRules context="CommonRules"/>
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			<DetectChar attribute="Symbol" context="#pop" char="}" endRegion="Brace1" />
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			<DetectChar attribute="Error" context="#stay" char=")"/>
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		</context>
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		<context attribute="Normal Text" lineEndContext="#stay" name="parenthesis">
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			<LineContinue attribute="Operator" context="#stay"/>
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			<DetectChar attribute="Symbol" context="#pop" char=")"/>
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			<RegExpr attribute="Identifier" context="#stay" String="[a-zA-Z_\.][0-9a-zA-Z_\.]*[\s]*[:]?=(?=[^=]|$)"/>
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			<IncludeRules context="CommonRules"/>
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			<DetectChar attribute="Error" context="#stay" char="}" />
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		</context>
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		<context attribute="String" lineEndContext="#stay" name="string">
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			<DetectChar attribute="String" context="#pop" char="&quot;"/>
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			<HlCStringChar attribute="String Char" context="#stay"/>
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		</context>
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		<context attribute="String" lineEndContext="#stay" name="string2">
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			<DetectChar attribute="String" context="#pop" char="'"/>
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			<HlCStringChar attribute="String Char" context="#stay"/>
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		</context>
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		<context attribute="Identifier" lineEndContext="#stay" name="backquotedsymbol">
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			<DetectChar attribute="String" context="#pop" char="`"/>
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			<HlCStringChar attribute="String Char" context="#stay"/>
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		</context>
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		<context attribute="Normal Text" lineEndContext="#stay" name="operator_rhs" fallthrough="true" fallthroughContext="#pop">
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			<!-- While there is nothing of interest, stay in the context -->
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			<DetectSpaces />
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			<IncludeRules context="FindComments"/>
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			<!-- Operators other than +, -, and ! directly after another operator are an error. -->
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			<Detect2Chars attribute="Error" context="#stay" char="!" char1="="/>
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			<AnyChar attribute="Error" context="#stay" String="*/&lt;&gt;=|&amp;:^@$~"/>
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		</context>
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		<context attribute="Normal Text" lineEndContext="#stay" name="FindComments">
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			<Detect2Chars attribute="Headline" context="Headline" char="#" char1="#"/>
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			<DetectChar attribute="Comment" context="Comment" char="#"/>
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		</context>
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		<context attribute="Headline" lineEndContext="#pop" name="Headline">
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			<DetectSpaces />
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			<IncludeRules context="##Comments" />
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		</context>
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		<context attribute="Comment" lineEndContext="#pop" name="Comment">
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			<DetectSpaces />
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			<IncludeRules context="##Comments" />
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		</context>
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		<!-- This context is not really used, but contains the common rules -->
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		<context name="CommonRules" lineEndContext="#stay" attribute="Normal Text" >
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			<DetectSpaces />
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			<IncludeRules context="FindComments"/>
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			<DetectChar attribute="String" context="string" char="&quot;"/>
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			<DetectChar attribute="String" context="string2" char="'"/>
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			<DetectChar attribute="String" context="backquotedsymbol" char="`"/>
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			<keyword attribute="Control Structure" context="#stay" String="controls"/>
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			<keyword attribute="Reserved Words" context="#stay" String="words"/>
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			<Float attribute="Float" context="#stay"/>
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			<Int attribute="Int" context="#stay"/>
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			<RegExpr attribute="Keyword" context="#stay" String="[a-zA-Z_]+[a-zA-Z_\.0-9]*(?=[\s]*[(])|\.[a-zA-Z_\.]+[a-zA-Z_\.0-9]*(?=[\s]*[(])"/>
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			<DetectChar attribute="Symbol" context="parenthesis" char="("/>
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			<!-- For (assignment) operators, enter a new context operator_rhs to check what follows (generally, that should not be another op) -->
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			<StringDetect attribute="Assign" context="operator_rhs" String="&lt;&lt;-"/>
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			<Detect2Chars attribute="Assign" context="operator_rhs" char="&lt;" char1="-"/>
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			<StringDetect attribute="Assign" context="operator_rhs" String="-&gt;&gt;"/>
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			<Detect2Chars attribute="Assign" context="operator_rhs" char="-" char1="&gt;"/>
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			<RegExpr attribute="Assign" context="operator_rhs" String="=(?!(=|&gt;))"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="*" char1="*"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="&lt;" char1="="/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="&gt;" char1="="/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="=" char1="="/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="=" char1="&gt;"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="!" char1="="/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="|" char1="&gt;"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="|" char1="|"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char="&amp;" char1="&amp;"/>
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			<StringDetect attribute="Operator" context="operator_rhs" String=":::"/>
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			<Detect2Chars attribute="Operator" context="operator_rhs" char=":" char1=":"/>
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			<AnyChar attribute="Operator" context="operator_rhs" String="+-*/&lt;&gt;=!|&amp;:^@$~"/>
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			<RangeDetect attribute="Operator" context="operator_rhs" char="%" char1="%"/>
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			<DetectChar attribute="Symbol" context="ctx0" char="{" beginRegion="Brace1" />
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			<!-- This is needed only to assist variable based indentation -->
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			<AnyChar attribute="Symbol" context="#stay" String="[]" />
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		</context>
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	</contexts>
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	<itemDatas>
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		<itemData name="Normal Text" defStyleNum="dsNormal" spellChecking="false"/>
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		<itemData name="Symbol" defStyleNum="dsNormal" spellChecking="false"/>
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		<itemData name="Keyword" defStyleNum="dsFunction" spellChecking="false"/>
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		<itemData name="Identifier" defStyleNum="dsAttribute" spellChecking="false"/>
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		<itemData name="String" defStyleNum="dsString"/>
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		<itemData name="Headline" defStyleNum="dsDocumentation" bold="1"/>
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		<itemData name="Comment" defStyleNum="dsComment"/>
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		<itemData name="Assign" defStyleNum="dsOthers" bold="1" italic="0" spellChecking="false"/>
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		<itemData name="Control Structure" defStyleNum="dsControlFlow" spellChecking="false"/>
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		<itemData name="Reserved Words" defStyleNum="dsConstant" spellChecking="false"/>
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		<itemData name="Error" defStyleNum="dsError" spellChecking="false"/>
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		<itemData name="Operator" defStyleNum="dsSpecialChar" spellChecking="false"/>
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		<itemData name="String Char"  defStyleNum="dsSpecialChar" spellChecking="false"/>
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		<itemData name="Float" defStyleNum="dsFloat" spellChecking="false"/>
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		<itemData name="Int" defStyleNum="dsDecVal" spellChecking="false"/>
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	</itemDatas>
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</highlighting>
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<general>
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	<comments>
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		<comment name="singleLine" start="#"/>
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	</comments>
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	<keywords casesensitive="true" weakDeliminator="." additionalDeliminator="$"/>
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</general>
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</language>
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<!-- kate: replace-tabs off; -->
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