tartrazine/lexers/gas.xml

<lexer>
  <config>
    <name>GAS</name>
    <alias>gas</alias>
    <alias>asm</alias>
    <filename>*.s</filename>
    <filename>*.S</filename>
    <mime_type>text/x-gas</mime_type>
    <priority>0.1</priority>
  </config>
  <rules>
    <state name="punctuation">
      <rule pattern="[-*,.()\[\]!:]+">
        <token type="Punctuation"/>
      </rule>
    </state>
    <state name="root">
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule pattern="(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+):">
        <token type="NameLabel"/>
      </rule>
      <rule pattern="\.(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameAttribute"/>
        <push state="directive-args"/>
      </rule>
      <rule pattern="lock|rep(n?z)?|data\d+">
        <token type="NameAttribute"/>
      </rule>
      <rule pattern="(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameFunction"/>
        <push state="instruction-args"/>
      </rule>
      <rule pattern="[\r\n]+">
        <token type="Text"/>
      </rule>
    </state>
    <state name="directive-args">
      <rule pattern="(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameConstant"/>
      </rule>
      <rule pattern="&#34;(\\&#34;|[^&#34;])*&#34;">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="@(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameAttribute"/>
      </rule>
      <rule pattern="(?:0[xX][a-zA-Z0-9]+|\d+)">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="%(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="[\r\n]+">
        <token type="Text"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="([;#]|//).*?\n">
        <token type="CommentSingle"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="/[*].*?[*]/">
        <token type="CommentMultiline"/>
      </rule>
      <rule pattern="/[*].*?\n[\w\W]*?[*]/">
        <token type="CommentMultiline"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="punctuation"/>
      </rule>
      <rule>
        <include state="whitespace"/>
      </rule>
    </state>
    <state name="instruction-args">
      <rule pattern="([a-z0-9]+)( )(&lt;)((?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+))(&gt;)">
        <bygroups>
          <token type="LiteralNumberHex"/>
          <token type="Text"/>
          <token type="Punctuation"/>
          <token type="NameConstant"/>
          <token type="Punctuation"/>
        </bygroups>
      </rule>
      <rule pattern="([a-z0-9]+)( )(&lt;)((?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+))([-+])((?:0[xX][a-zA-Z0-9]+|\d+))(&gt;)">
        <bygroups>
          <token type="LiteralNumberHex"/>
          <token type="Text"/>
          <token type="Punctuation"/>
          <token type="NameConstant"/>
          <token type="Punctuation"/>
          <token type="LiteralNumberInteger"/>
          <token type="Punctuation"/>
        </bygroups>
      </rule>
      <rule pattern="(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameConstant"/>
      </rule>
      <rule pattern="(?:0[xX][a-zA-Z0-9]+|\d+)">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="%(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="$(?:0[xX][a-zA-Z0-9]+|\d+)">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="$&#39;(.|\\&#39;)&#39;">
        <token type="LiteralStringChar"/>
      </rule>
      <rule pattern="[\r\n]+">
        <token type="Text"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="([;#]|//).*?\n">
        <token type="CommentSingle"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="/[*].*?[*]/">
        <token type="CommentMultiline"/>
      </rule>
      <rule pattern="/[*].*?\n[\w\W]*?[*]/">
        <token type="CommentMultiline"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="punctuation"/>
      </rule>
      <rule>
        <include state="whitespace"/>
      </rule>
    </state>
    <state name="whitespace">
      <rule pattern="\n">
        <token type="Text"/>
      </rule>
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
      <rule pattern="([;#]|//).*?\n">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="/[*][\w\W]*?[*]/">
        <token type="CommentMultiline"/>
      </rule>
    </state>
  </rules>
</lexer>