tartrazine/lexers/pkgconfig.xml

<lexer>
  <config>
    <name>PkgConfig</name>
    <alias>pkgconfig</alias>
    <filename>*.pc</filename>
  </config>
  <rules>
    <state name="curly">
      <rule pattern="\}">
        <token type="LiteralStringInterpol"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="\w+">
        <token type="NameAttribute"/>
      </rule>
    </state>
    <state name="spvalue">
      <rule>
        <include state="interp"/>
      </rule>
      <rule pattern="#.*$">
        <token type="CommentSingle"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="\n">
        <token type="Text"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="[^${}#\n]+">
        <token type="Text"/>
      </rule>
      <rule pattern=".">
        <token type="Text"/>
      </rule>
    </state>
    <state name="root">
      <rule pattern="#.*$">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="^(\w+)(=)">
        <bygroups>
          <token type="NameAttribute"/>
          <token type="Operator"/>
        </bygroups>
      </rule>
      <rule pattern="^([\w.]+)(:)">
        <bygroups>
          <token type="NameTag"/>
          <token type="Punctuation"/>
        </bygroups>
        <push state="spvalue"/>
      </rule>
      <rule>
        <include state="interp"/>
      </rule>
      <rule pattern="[^${}#=:\n.]+">
        <token type="Text"/>
      </rule>
      <rule pattern=".">
        <token type="Text"/>
      </rule>
    </state>
    <state name="interp">
      <rule pattern="\$\$">
        <token type="Text"/>
      </rule>
      <rule pattern="\$\{">
        <token type="LiteralStringInterpol"/>
        <push state="curly"/>
      </rule>
    </state>
  </rules>
</lexer>