tartrazine/lexers/crystal.xml

<lexer>
  <config>
    <name>Crystal</name>
    <alias>cr</alias>
    <alias>crystal</alias>
    <filename>*.cr</filename>
    <mime_type>text/x-crystal</mime_type>
    <dot_all>true</dot_all>
  </config>
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      <rule pattern="\\[\(]">
        <token type="LiteralStringOther"/>
      </rule>
      <rule pattern="\(">
        <token type="LiteralStringOther"/>
        <push/>
      </rule>
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        <token type="LiteralStringOther"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="string-intp-escaped"/>
      </rule>
      <rule pattern="[\\#()]">
        <token type="LiteralStringOther"/>
      </rule>
      <rule pattern="[^\\#()]+">
        <token type="LiteralStringOther"/>
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      <rule pattern="&gt;[imsx]*">
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        <token type="LiteralStringRegex"/>
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      <rule pattern="[^\\#&lt;&gt;]+">
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        <include state="string-intp"/>
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      <rule pattern="[^\\#{}]+">
        <token type="LiteralStringRegex"/>
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        <token type="LiteralStringBacktick"/>
      </rule>
      <rule pattern="[\\#]">
        <token type="LiteralStringBacktick"/>
      </rule>
      <rule pattern="`">
        <token type="LiteralStringBacktick"/>
        <pop depth="1"/>
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    <state name="string-intp">
      <rule pattern="#\{">
        <token type="LiteralStringInterpol"/>
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      </rule>
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      <rule>
        <include state="string-intp"/>
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      <rule pattern="[\\#]">
        <token type="LiteralStringRegex"/>
      </rule>
      <rule pattern="[^\\#]+">
        <token type="LiteralStringRegex"/>
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      <rule pattern="\\[\\{}]">
        <token type="LiteralStringOther"/>
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        <token type="LiteralStringOther"/>
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      <rule>
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        <token type="LiteralStringRegex"/>
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      <rule>
        <include state="root"/>
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        <token type="LiteralStringInterpol"/>
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      <rule>
        <include state="root"/>
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        </bygroups>
      </rule>
      <rule pattern="^(\s*)(%([\t ])(?:(?:\\\3|(?!\3).)*)\3)">
        <bygroups>
          <token type="Text"/>
          <token type="LiteralStringOther"/>
          <token type="None"/>
        </bygroups>
      </rule>
      <rule pattern="(%([\[{(&lt;]))((?:\\\2|(?!\2).)*)(\2)">
        <token type="LiteralString"/>
      </rule>
    </state>
    <state name="sb-string">
      <rule pattern="\\[\\\[\]]">
        <token type="LiteralStringOther"/>
      </rule>
      <rule pattern="\[">
        <token type="LiteralStringOther"/>
        <push/>
      </rule>
      <rule pattern="\]">
        <token type="LiteralStringOther"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="[\\#\[\]]">
        <token type="LiteralStringOther"/>
      </rule>
      <rule pattern="[^\\#\[\]]+">
        <token type="LiteralStringOther"/>
      </rule>
    </state>
    <state name="funcname">
      <rule pattern="(?:([a-zA-Z_]\w*)(\.))?([a-zA-Z_]\w*[!?]?|\*\*?|[-+]@?|[/%&amp;|^`~]|\[\]=?|&lt;&lt;|&gt;&gt;|&lt;=?&gt;|&gt;=?|===?)">
        <bygroups>
          <token type="NameClass"/>
          <token type="Operator"/>
          <token type="NameFunction"/>
        </bygroups>
        <pop depth="1"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="simple-sym">
      <rule>
        <include state="string-escaped"/>
      </rule>
      <rule pattern="[^\\&#34;#]+">
        <token type="LiteralStringSymbol"/>
      </rule>
      <rule pattern="[\\#]">
        <token type="LiteralStringSymbol"/>
      </rule>
      <rule pattern="&#34;">
        <token type="LiteralStringSymbol"/>
        <pop depth="1"/>
      </rule>
    </state>
  </rules>
</lexer>