tartrazine/lexers/VelocityLexer.xml

<lexer>
  <config>
    <name>Velocity</name>
    <alias>velocity</alias>
    <filename>*.vm</filename>
    <filename>*.fhtml</filename>
    <dot_all>true</dot_all>
  </config>
  <rules>
    <state name="root">
      <rule pattern="[^{#$]+"><token type="Other"/></rule>
      <rule pattern="(#)(\*.*?\*)(#)"><bygroups><token type="CommentPreproc"/><token type="Comment"/><token type="CommentPreproc"/></bygroups></rule>
      <rule pattern="(##)(.*?$)"><bygroups><token type="CommentPreproc"/><token type="Comment"/></bygroups></rule>
      <rule pattern="(#\{?)([a-zA-Z_]\w*)(\}?)(\s?\()"><bygroups><token type="CommentPreproc"/><token type="NameFunction"/><token type="CommentPreproc"/><token type="Punctuation"/></bygroups><push state="directiveparams"/></rule>
      <rule pattern="(#\{?)([a-zA-Z_]\w*)(\}|\b)"><bygroups><token type="CommentPreproc"/><token type="NameFunction"/><token type="CommentPreproc"/></bygroups></rule>
      <rule pattern="\$!?\{?"><token type="Punctuation"/><push state="variable"/></rule>
    </state>
    <state name="variable">
      <rule pattern="[a-zA-Z_]\w*"><token type="NameVariable"/></rule>
      <rule pattern="\("><token type="Punctuation"/><push state="funcparams"/></rule>
      <rule pattern="(\.)([a-zA-Z_]\w*)"><bygroups><token type="Punctuation"/><token type="NameVariable"/></bygroups><push/></rule>
      <rule pattern="\}"><token type="Punctuation"/><pop depth="1"/></rule>
      <rule><pop depth="1"/></rule>
    </state>
    <state name="directiveparams">
      <rule pattern="(&amp;&amp;|\|\||==?|!=?|[-&lt;&gt;+*%&amp;|^/])|\b(eq|ne|gt|lt|ge|le|not|in)\b"><token type="Operator"/></rule>
      <rule pattern="\["><token type="Operator"/><push state="rangeoperator"/></rule>
      <rule pattern="\b[a-zA-Z_]\w*\b"><token type="NameFunction"/></rule>
      <rule><include state="funcparams"/></rule>
    </state>
    <state name="rangeoperator">
      <rule pattern="\.\."><token type="Operator"/></rule>
      <rule><include state="funcparams"/></rule>
      <rule pattern="\]"><token type="Operator"/><pop depth="1"/></rule>
    </state>
    <state name="funcparams">
      <rule pattern="\$!?\{?"><token type="Punctuation"/><push state="variable"/></rule>
      <rule pattern="\s+"><token type="Text"/></rule>
      <rule pattern="[,:]"><token type="Punctuation"/></rule>
      <rule pattern="&quot;(\\\\|\\[^\\]|[^&quot;\\])*&quot;"><token type="LiteralStringDouble"/></rule>
      <rule pattern="&#x27;(\\\\|\\[^\\]|[^&#x27;\\])*&#x27;"><token type="LiteralStringSingle"/></rule>
      <rule pattern="0[xX][0-9a-fA-F]+[Ll]?"><token type="LiteralNumber"/></rule>
      <rule pattern="\b[0-9]+\b"><token type="LiteralNumber"/></rule>
      <rule pattern="(true|false|null)\b"><token type="KeywordConstant"/></rule>
      <rule pattern="\("><token type="Punctuation"/><push/></rule>
      <rule pattern="\)"><token type="Punctuation"/><pop depth="1"/></rule>
      <rule pattern="\{"><token type="Punctuation"/><push/></rule>
      <rule pattern="\}"><token type="Punctuation"/><pop depth="1"/></rule>
      <rule pattern="\["><token type="Punctuation"/><push/></rule>
      <rule pattern="\]"><token type="Punctuation"/><pop depth="1"/></rule>
    </state>
  </rules>
</lexer>