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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language [<!ENTITY identifier "[a-zA-Z$_][a-zA-Z0-9$_'\[\]]*">]>
<!-- The Viper intermediate verification language
https://github.com/viperproject/silver -->
<language name="Viper" section="Sources" version="2" kateversion="5.0" indenter="cstyle"
extensions="*.vpr" mimetype="text/x-vpr" author="nishanthkarthik" license="MIT">
<highlighting>
<list name="blocks">
<item>domain</item>
<item>axiom</item>
<item>define</item>
<item>function</item>
<item>predicate</item>
<item>method</item>
<item>field</item>
</list>
<list name="constants">
<item>true</item>
<item>false</item>
<item>null</item>
</list>
<list name="controlFlow">
<item>goto</item>
<item>label</item>
<item>if</item>
<item>elseif</item>
<item>else</item>
<item>while</item>
</list>
<list name="kw">
<item>result</item>
<item>old</item>
<item>acc</item>
<item>none</item>
<item>write</item>
<item>epsilon</item>
<item>wildcard</item>
<item>perm</item>
<item>unfolding</item>
<item>folding</item>
<item>applying</item>
<item>packaging</item>
<item>forperm</item>
<item>constraining</item>
<item>let</item>
<item>in</item>
<item>var</item>
<item>fresh</item>
<item>forall</item>
<item>exists</item>
<item>unique</item>
<item>returns</item>
<item>requires</item>
<item>ensures</item>
<item>invariant</item>
<item>assert</item>
<item>assume</item>
<item>inhale</item>
<item>exhale</item>
<item>fold</item>
<item>unfold</item>
<item>wand</item>
<item>package</item>
<item>apply</item>
</list>
<list name="ops">
<item>==</item>
<item>!=</item>
<item>==></item>
<item><==></item>
<item>||</item>
<item>&&</item>
<item><</item>
<item>></item>
<item><=</item>
<item>>=</item>
<item>+</item>
<item>-</item>
<item>*</item>
<item>/</item>
<item>\\</item>
<item>\%</item>
<item>\/</item>
<item>--*</item>
<item>union</item>
<item>intersection</item>
<item>setminus</item>
<item>++</item>
<item>in</item>
<item>subset</item>
<item>!</item>
<item>::</item>
</list>
<list name="types">
<item>Int</item>
<item>Bool</item>
<item>Rational</item>
<item>Perm</item>
<item>Ref</item>
<item>Seq</item>
<item>Set</item>
<item>Multiset</item>
</list>
<contexts>
<context name="normal" attribute="Normal" lineEndContext="#stay">
<DetectSpaces/>
<WordDetect String="import" lookAhead="true" context="import"/>
<keyword String="blocks" lookAhead="true" context="block"/>
<WordDetect String="/*" lookAhead="true" context="mlComment"/>
<WordDetect String="//" lookAhead="true" context="comment"/>
<keyword String="constants" attribute="Constant"/>
<keyword String="kw" attribute="Keyword"/>
<RegExpr String="([:]{2})" context="quantifier" lookAhead="true"/>
<keyword String="ops" attribute="Operator"/>
<keyword String="types" attribute="DataType"/>
<keyword String="controlFlow" attribute="ControlFlow"/>
<DetectChar char="{" context="#stay" attribute="Operator" beginRegion="regionBraced"/>
<DetectChar char="}" context="#stay" attribute="Operator" endRegion="regionBraced"/>
<RegExpr String="(&identifier;)(\.\b&identifier;)" lookAhead="true" context="fieldAccess"/>
<Int attribute="DecVal"/>
</context>
<context name="quantifier" attribute="Normal" lineEndContext="#stay">
<StringDetect String="%1" dynamic="true"/>
<IncludeRules context="nextTrigger"/>
</context>
<context name="nextTrigger" attribute="Normal" lineEndContext="#stay">
<DetectChar char="{" context="#pop!inTrigger" attribute="TriggerZone"/>
<RegExpr String="[^\{\s]" context="#pop#pop"/>
</context>
<context name="inTrigger" attribute="Normal" lineEndContext="#stay">
<DetectChar char="}" context="#pop!nextTrigger" attribute="TriggerZone"/>
<RegExpr String="[^\}\s]" attribute="Italic"/>
</context>
<context name="import" attribute="Keyword" lineEndContext="#pop">
<WordDetect String="import" attribute="Keyword"/>
<DetectChar char='"' context="string" attribute="String"/>
</context>
<context name="fieldAccess" attribute="Normal" lineEndContext="#stay">
<StringDetect String="%1" dynamic="true" context="#stay"/>
<StringDetect String="%2" attribute="Field" dynamic="true" context="#pop"/>
</context>
<context name="block" attribute="Normal" lineEndContext="#stay">
<keyword String="blocks" attribute="Keyword"/>
<AnyChar String="{[(" lookAhead="true" context="#pop"/>
<RegExpr String="&identifier;" attribute="Declaration" context="#pop"/>
</context>
<context name="string" attribute="String" lineEndContext="#stay">
<RegExpr String='[^"]+' attribute="String" context="#stay"/>
<DetectChar char='"' attribute="String" context="#pop"/>
</context>
<context name="comment" attribute="Comment" lineEndContext="#pop">
<Detect2Chars char="/" char1="/"/>
</context>
<context name="mlComment" attribute="Comment" lineEndContext="#stay">
<Detect2Chars char="/" char1="*"/>
<RegExpr String="[^(*/)]*"/>
<Detect2Chars char="*" char1="/" attribute="Comment" context="#pop"/>
</context>
</contexts>
<itemDatas>
<itemData name="Declaration" defStyleNum="dsFunction"/>
<itemData name="Italic" defStyleNum="dsNormal" italic="true"/>
<itemData name="Field" defStyleNum="dsNormal" italic="true"/>
<itemData name="TriggerZone" defStyleNum="dsSpecialChar"/>
<itemData name="Normal" defStyleNum="dsNormal"/>
<itemData name="Keyword" defStyleNum="dsKeyword"/>
<itemData name="ControlFlow" defStyleNum="dsControlFlow"/>
<itemData name="Operator" defStyleNum="dsOperator"/>
<itemData name="String" defStyleNum="dsString"/>
<itemData name="DataType" defStyleNum="dsDataType"/>
<itemData name="DecVal" defStyleNum="dsDecVal"/>
<itemData name="Constant" defStyleNum="dsConstant"/>
<itemData name="Comment" defStyleNum="dsComment"/>
</itemDatas>
</highlighting>
</language>
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