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jamietannajamietanna
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Add support for Rego syntax
Adapted heavily from several of the lexers in this repo, and https://github.com/tsandall/vim-rego/blob/b47bf95996b72d630464b44ca567f2945bd37ac9/syntax/rego.vim
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‎lexers/embedded/rego.xml

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<lexer>
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<config>
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<name>Rego</name>
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<alias>rego</alias>
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<filename>*.rego</filename>
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</config>
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<rules>
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<state name="root">
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<rule pattern="(package|import|as|not|with|default|else|some|in|if|contains)\b">
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<token type="KeywordDeclaration"/>
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</rule>
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<!-- importing keywords should then show up as keywords -->
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<rule pattern="(import)( future.keywords.)(\w+)">
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<bygroups>
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<token type="KeywordDeclaration"/>
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<token type="Text"/>
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<token type="KeywordDeclaration"/>
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</bygroups>
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</rule>
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<rule pattern="#[^\r\n]*">
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<token type="Comment"/>
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</rule>
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<rule pattern="(FIXME|TODO|XXX)\b( .*)$">
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<bygroups>
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<token type="Error"/>
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<token type="CommentSpecial"/>
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</bygroups>
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</rule>
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<rule pattern="(true|false|null)\b">
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<token type="KeywordConstant"/>
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</rule>
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<rule pattern="\d+i">
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<token type="LiteralNumber"/>
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</rule>
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<rule pattern="\d+\.\d*([Ee][-+]\d+)?i">
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<token type="LiteralNumber"/>
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</rule>
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<rule pattern="\.\d+([Ee][-+]\d+)?i">
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<token type="LiteralNumber"/>
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</rule>
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<rule pattern="\d+[Ee][-+]\d+i">
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<token type="LiteralNumber"/>
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</rule>
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<rule pattern="\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)">
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<token type="LiteralNumberFloat"/>
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</rule>
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<rule pattern="\.\d+([eE][+\-]?\d+)?">
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<token type="LiteralNumberFloat"/>
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</rule>
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<rule pattern="(0|[1-9][0-9]*)">
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<token type="LiteralNumberInteger"/>
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</rule>
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<rule pattern="&#34;&#34;&#34;.*?&#34;&#34;&#34;">
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<token type="LiteralStringDouble"/>
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</rule>
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<rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">
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<token type="LiteralStringDouble"/>
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</rule>
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<rule pattern="\$/((?!/\$).)*/\$">
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<token type="LiteralString"/>
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</rule>
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<rule pattern="/(\\\\|\\&#34;|[^/])*/">
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<token type="LiteralString"/>
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</rule>
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<rule pattern="^(\w+)">
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<token type="Name"/>
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</rule>
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<rule pattern="[a-z_-][\w-]*(?=\()">
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<token type="NameFunction"/>
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</rule>
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<rule pattern="[\r\n\s]+">
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<token type="TextWhitespace"/>
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</rule>
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<rule pattern="(package|import)(\s+)">
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<bygroups>
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<token type="KeywordDeclaration"/>
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<token type="Text"/>
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</bygroups>
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</rule>
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<rule pattern="[=&lt;&gt;!+-/*&amp;|]">
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<token type="Operator"/>
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</rule>
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<rule pattern=":=">
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<token type="Operator"/>
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</rule>
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</state>
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</rules>
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</lexer>

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