tartrazine/lexers/lua.xml

<lexer>
  <config>
    <name>Lua</name>
    <alias>lua</alias>
    <filename>*.lua</filename>
    <filename>*.wlua</filename>
    <mime_type>text/x-lua</mime_type>
    <mime_type>application/x-lua</mime_type>
  </config>
  <rules>
    <state name="funcname">
      <rule>
        <include state="ws"/>
      </rule>
      <rule pattern="[.:]">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="(?:[^\W\d]\w*)(?=(?:(?:--\[(=*)\[[\w\W]*?\](\2)\])|(?:--.*$)|(?:\s+))*[.:])">
        <token type="NameClass"/>
      </rule>
      <rule pattern="(?:[^\W\d]\w*)">
        <token type="NameFunction"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="\(">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="label">
      <rule>
        <include state="ws"/>
      </rule>
      <rule pattern="::">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="(?:[^\W\d]\w*)">
        <token type="NameLabel"/>
      </rule>
    </state>
    <state name="dqs">
      <rule pattern="&#34;">
        <token type="LiteralStringDouble"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="[^\\&#34;]+">
        <token type="LiteralStringDouble"/>
      </rule>
    </state>
    <state name="root">
      <rule pattern="#!.*">
        <token type="CommentPreproc"/>
      </rule>
      <rule>
        <push state="base"/>
      </rule>
    </state>
    <state name="ws">
      <rule pattern="(?:--\[(=*)\[[\w\W]*?\](\1)\])">
        <token type="CommentMultiline"/>
      </rule>
      <rule pattern="(?:--.*$)">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="(?:\s+)">
        <token type="Text"/>
      </rule>
    </state>
    <state name="goto">
      <rule>
        <include state="ws"/>
      </rule>
      <rule pattern="(?:[^\W\d]\w*)">
        <token type="NameLabel"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="sqs">
      <rule pattern="&#39;">
        <token type="LiteralStringSingle"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="[^\\&#39;]+">
        <token type="LiteralStringSingle"/>
      </rule>
    </state>
    <state name="base">
      <rule>
        <include state="ws"/>
      </rule>
      <rule pattern="(?i)0x[\da-f]*(\.[\da-f]*)?(p[+-]?\d+)?">
        <token type="LiteralNumberHex"/>
      </rule>
      <rule pattern="(?i)(\d*\.\d+|\d+\.\d*)(e[+-]?\d+)?">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="(?i)\d+e[+-]?\d+">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="\d+">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="(?s)\[(=*)\[.*?\]\1\]">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="::">
        <token type="Punctuation"/>
        <push state="label"/>
      </rule>
      <rule pattern="\.{3}">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="[=&lt;&gt;|~&amp;+\-*/%#^]+|\.\.">
        <token type="Operator"/>
      </rule>
      <rule pattern="[\[\]{}().,:;]">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="(and|or|not)\b">
        <token type="OperatorWord"/>
      </rule>
      <rule pattern="(break|do|else|elseif|end|for|if|in|repeat|return|then|until|while)\b">
        <token type="KeywordReserved"/>
      </rule>
      <rule pattern="goto\b">
        <token type="KeywordReserved"/>
        <push state="goto"/>
      </rule>
      <rule pattern="(local)\b">
        <token type="KeywordDeclaration"/>
      </rule>
      <rule pattern="(true|false|nil)\b">
        <token type="KeywordConstant"/>
      </rule>
      <rule pattern="(function)\b">
        <token type="KeywordReserved"/>
        <push state="funcname"/>
      </rule>
      <rule pattern="[A-Za-z_]\w*(\.[A-Za-z_]\w*)?">
        <token type="Name"/>
      </rule>
      <rule pattern="&#39;">
        <token type="LiteralStringSingle"/>
        <combined state="stringescape" state="sqs"/>
      </rule>
      <rule pattern="&#34;">
        <token type="LiteralStringDouble"/>
        <combined state="stringescape" state="dqs"/>
      </rule>
    </state>
    <state name="stringescape">
      <rule pattern="\\([abfnrtv\\&#34;\&#39;]|[\r\n]{1,2}|z\s*|x[0-9a-fA-F]{2}|\d{1,3}|u\{[0-9a-fA-F]+\})">
        <token type="LiteralStringEscape"/>
      </rule>
    </state>
  </rules>
</lexer>