tartrazine/lexers/cap_n_proto.xml

<lexer>
  <config>
    <name>Cap&#39;n Proto</name>
    <alias>capnp</alias>
    <filename>*.capnp</filename>
  </config>
  <rules>
    <state name="root">
      <rule pattern="#.*?$">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="@[0-9a-zA-Z]*">
        <token type="NameDecorator"/>
      </rule>
      <rule pattern="=">
        <token type="Literal"/>
        <push state="expression"/>
      </rule>
      <rule pattern=":">
        <token type="NameClass"/>
        <push state="type"/>
      </rule>
      <rule pattern="\$">
        <token type="NameAttribute"/>
        <push state="annotation"/>
      </rule>
      <rule pattern="(struct|enum|interface|union|import|using|const|annotation|extends|in|of|on|as|with|from|fixed)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="[\w.]+">
        <token type="Name"/>
      </rule>
      <rule pattern="[^#@=:$\w]+">
        <token type="Text"/>
      </rule>
    </state>
    <state name="type">
      <rule pattern="[^][=;,(){}$]+">
        <token type="NameClass"/>
      </rule>
      <rule pattern="[[(]">
        <token type="NameClass"/>
        <push state="parentype"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="parentype">
      <rule pattern="[^][;()]+">
        <token type="NameClass"/>
      </rule>
      <rule pattern="[[(]">
        <token type="NameClass"/>
        <push/>
      </rule>
      <rule pattern="[])]">
        <token type="NameClass"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="expression">
      <rule pattern="[^][;,(){}$]+">
        <token type="Literal"/>
      </rule>
      <rule pattern="[[(]">
        <token type="Literal"/>
        <push state="parenexp"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="parenexp">
      <rule pattern="[^][;()]+">
        <token type="Literal"/>
      </rule>
      <rule pattern="[[(]">
        <token type="Literal"/>
        <push/>
      </rule>
      <rule pattern="[])]">
        <token type="Literal"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="annotation">
      <rule pattern="[^][;,(){}=:]+">
        <token type="NameAttribute"/>
      </rule>
      <rule pattern="[[(]">
        <token type="NameAttribute"/>
        <push state="annexp"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="annexp">
      <rule pattern="[^][;()]+">
        <token type="NameAttribute"/>
      </rule>
      <rule pattern="[[(]">
        <token type="NameAttribute"/>
        <push/>
      </rule>
      <rule pattern="[])]">
        <token type="NameAttribute"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <pop depth="1"/>
      </rule>
    </state>
  </rules>
</lexer>