tartrazine/lexers/ragel.xml

<lexer>
  <config>
    <name>Ragel</name>
    <alias>ragel</alias>
  </config>
  <rules>
    <state name="host">
      <rule pattern="([^{}\&#39;&#34;/#]+|[^\\]\\[{}]|&#34;(\\\\|\\&#34;|[^&#34;])*&#34;|&#39;(\\\\|\\&#39;|[^&#39;])*&#39;|//.*$\n?|/\*(.|\n)*?\*/|\#.*$\n?|/(?!\*)(\\\\|\\/|[^/])*/|/)+">
        <token type="Other"/>
      </rule>
      <rule pattern="\{">
        <token type="Punctuation"/>
        <push/>
      </rule>
      <rule pattern="\}">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="whitespace">
      <rule pattern="\s+">
        <token type="TextWhitespace"/>
      </rule>
    </state>
    <state name="numbers">
      <rule pattern="0x[0-9A-Fa-f]+">
        <token type="LiteralNumberHex"/>
      </rule>
      <rule pattern="[+-]?[0-9]+">
        <token type="LiteralNumberInteger"/>
      </rule>
    </state>
    <state name="literals">
      <rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="&#39;(\\\\|\\&#39;|[^&#39;])*&#39;">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="\[(\\\\|\\\]|[^\]])*\]">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="/(?!\*)(\\\\|\\/|[^/])*/">
        <token type="LiteralStringRegex"/>
      </rule>
    </state>
    <state name="keywords">
      <rule pattern="(access|action|alphtype)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="(getkey|write|machine|include)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="(any|ascii|extend|alpha|digit|alnum|lower|upper)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="(xdigit|cntrl|graph|print|punct|space|zlen|empty)\b">
        <token type="Keyword"/>
      </rule>
    </state>
    <state name="identifiers">
      <rule pattern="[a-zA-Z_]\w*">
        <token type="NameVariable"/>
      </rule>
    </state>
    <state name="root">
      <rule>
        <include state="literals"/>
      </rule>
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule>
        <include state="comments"/>
      </rule>
      <rule>
        <include state="keywords"/>
      </rule>
      <rule>
        <include state="numbers"/>
      </rule>
      <rule>
        <include state="identifiers"/>
      </rule>
      <rule>
        <include state="operators"/>
      </rule>
      <rule pattern="\{">
        <token type="Punctuation"/>
        <push state="host"/>
      </rule>
      <rule pattern="=">
        <token type="Operator"/>
      </rule>
      <rule pattern=";">
        <token type="Punctuation"/>
      </rule>
    </state>
    <state name="comments">
      <rule pattern="\#.*$">
        <token type="Comment"/>
      </rule>
    </state>
    <state name="operators">
      <rule pattern=",">
        <token type="Operator"/>
      </rule>
      <rule pattern="\||&amp;|--?">
        <token type="Operator"/>
      </rule>
      <rule pattern="\.|&lt;:|:&gt;&gt;?">
        <token type="Operator"/>
      </rule>
      <rule pattern=":">
        <token type="Operator"/>
      </rule>
      <rule pattern="-&gt;">
        <token type="Operator"/>
      </rule>
      <rule pattern="(&gt;|\$|%|&lt;|@|&lt;&gt;)(/|eof\b)">
        <token type="Operator"/>
      </rule>
      <rule pattern="(&gt;|\$|%|&lt;|@|&lt;&gt;)(!|err\b)">
        <token type="Operator"/>
      </rule>
      <rule pattern="(&gt;|\$|%|&lt;|@|&lt;&gt;)(\^|lerr\b)">
        <token type="Operator"/>
      </rule>
      <rule pattern="(&gt;|\$|%|&lt;|@|&lt;&gt;)(~|to\b)">
        <token type="Operator"/>
      </rule>
      <rule pattern="(&gt;|\$|%|&lt;|@|&lt;&gt;)(\*|from\b)">
        <token type="Operator"/>
      </rule>
      <rule pattern="&gt;|@|\$|%">
        <token type="Operator"/>
      </rule>
      <rule pattern="\*|\?|\+|\{[0-9]*,[0-9]*\}">
        <token type="Operator"/>
      </rule>
      <rule pattern="!|\^">
        <token type="Operator"/>
      </rule>
      <rule pattern="\(|\)">
        <token type="Operator"/>
      </rule>
    </state>
  </rules>
</lexer>