tartrazine/lexers/fish.xml

<lexer>
  <config>
    <name>Fish</name>
    <alias>fish</alias>
    <alias>fishshell</alias>
    <filename>*.fish</filename>
    <filename>*.load</filename>
    <mime_type>application/x-fish</mime_type>
  </config>
  <rules>
    <state name="paren">
      <rule pattern="\)">
        <token type="Keyword"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="root"/>
      </rule>
    </state>
    <state name="math">
      <rule pattern="\)\)">
        <token type="Keyword"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="[-+*/%^|&amp;]|\*\*|\|\|">
        <token type="Operator"/>
      </rule>
      <rule pattern="\d+#\d+">
        <token type="LiteralNumber"/>
      </rule>
      <rule pattern="\d+#(?! )">
        <token type="LiteralNumber"/>
      </rule>
      <rule pattern="\d+">
        <token type="LiteralNumber"/>
      </rule>
      <rule>
        <include state="root"/>
      </rule>
    </state>
    <state name="root">
      <rule>
        <include state="basic"/>
      </rule>
      <rule>
        <include state="interp"/>
      </rule>
      <rule>
        <include state="data"/>
      </rule>
    </state>
    <state name="interp">
      <rule pattern="\$\(\(">
        <token type="Keyword"/>
        <push state="math"/>
      </rule>
      <rule pattern="\(">
        <token type="Keyword"/>
        <push state="paren"/>
      </rule>
      <rule pattern="\$#?(\w+|.)">
        <token type="NameVariable"/>
      </rule>
    </state>
    <state name="basic">
      <rule pattern="(?&lt;=(?:^|\A|;|&amp;&amp;|\|\||\||\b(continue|function|return|switch|begin|while|break|count|false|block|echo|case|true|else|exit|test|set|cdh|and|pwd|for|end|not|if|cd|or)\b)\s*)(continue|function|return|switch|begin|while|break|count|false|block|test|case|true|echo|exit|else|set|cdh|and|pwd|for|end|not|if|cd|or)(?=;?\b)">
        <token type="Keyword"/>
      </rule>
      <rule pattern="(?&lt;=for\s+\S+\s+)in\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="\b(fish_update_completions|fish_command_not_found|fish_breakpoint_prompt|fish_status_to_signal|fish_right_prompt|fish_is_root_user|fish_mode_prompt|fish_vcs_prompt|fish_key_reader|fish_svn_prompt|fish_git_prompt|fish_hg_prompt|fish_greeting|fish_add_path|commandline|fish_prompt|fish_indent|fish_config|fish_pager|breakpoint|fish_title|prompt_pwd|functions|set_color|realpath|funcsave|contains|complete|argparse|fish_opt|history|builtin|getopts|suspend|command|mimedb|printf|ulimit|disown|string|source|funced|status|random|isatty|fishd|prevd|vared|umask|nextd|alias|pushd|emit|jobs|popd|help|psub|wait|fish|read|time|exec|eval|math|trap|type|dirs|dirh|abbr|kill|bind|hash|open|fc|bg|fg)\s*\b(?!\.)">
        <token type="NameBuiltin"/>
      </rule>
      <rule pattern="#!.*\n">
        <token type="CommentHashbang"/>
      </rule>
      <rule pattern="#.*\n">
        <token type="Comment"/>
      </rule>
      <rule pattern="\\[\w\W]">
        <token type="LiteralStringEscape"/>
      </rule>
      <rule pattern="(\b\w+)(\s*)(=)">
        <bygroups>
          <token type="NameVariable"/>
          <token type="Text"/>
          <token type="Operator"/>
        </bygroups>
      </rule>
      <rule pattern="[\[\]()={}]">
        <token type="Operator"/>
      </rule>
      <rule pattern="(?&lt;=\[[^\]]+)\.\.|-(?=[^\[]+\])">
        <token type="Operator"/>
      </rule>
      <rule pattern="&lt;&lt;-?\s*(\&#39;?)\\?(\w+)[\w\W]+?\2">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="(?&lt;=set\s+(?:--?[^\d\W][\w-]*\s+)?)\w+">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="(?&lt;=for\s+)\w[\w-]*(?=\s+in)">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="(?&lt;=function\s+)\w(?:[^\n])*?(?= *[-\n])">
        <token type="NameFunction"/>
      </rule>
      <rule pattern="(?&lt;=(?:^|\b(?:and|or|sudo)\b|;|\|\||&amp;&amp;|\||\(|(?:\b\w+\s*=\S+\s)) *)\w[\w-]*">
        <token type="NameFunction"/>
      </rule>
    </state>
    <state name="data">
      <rule pattern="(?s)\$?&#34;(\\\\|\\[0-7]+|\\.|[^&#34;\\$])*&#34;">
        <token type="LiteralStringDouble"/>
      </rule>
      <rule pattern="&#34;">
        <token type="LiteralStringDouble"/>
        <push state="string"/>
      </rule>
      <rule pattern="(?s)\$&#39;(\\\\|\\[0-7]+|\\.|[^&#39;\\])*&#39;">
        <token type="LiteralStringSingle"/>
      </rule>
      <rule pattern="(?s)&#39;.*?&#39;">
        <token type="LiteralStringSingle"/>
      </rule>
      <rule pattern=";">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="&amp;&amp;|\|\||&amp;|\||\^|&lt;|&gt;">
        <token type="Operator"/>
      </rule>
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
      <rule pattern="\b\d+\b">
        <token type="LiteralNumber"/>
      </rule>
      <rule pattern="(?&lt;=\s+)--?[^\d][\w-]*">
        <token type="NameAttribute"/>
      </rule>
      <rule pattern=".+?">
        <token type="Text"/>
      </rule>
    </state>
    <state name="string">
      <rule pattern="&#34;">
        <token type="LiteralStringDouble"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="(?s)(\\\\|\\[0-7]+|\\.|[^&#34;\\$])+">
        <token type="LiteralStringDouble"/>
      </rule>
      <rule>
        <include state="interp"/>
      </rule>
    </state>
  </rules>
</lexer>