<lexer>
  <config>
    <name>NASM</name>
    <alias>nasm</alias>
    <filename>*.asm</filename>
    <filename>*.ASM</filename>
    <filename>*.nasm</filename>
    <mime_type>text/x-nasm</mime_type>
    <case_insensitive>true</case_insensitive>
    <priority>1.0</priority> <!-- TASM uses the same file endings, but TASM is not as common as NASM, so we prioritize NASM higher by default. -->
  </config>
  <rules>
    <state name="punctuation">
      <rule pattern="[,():\[\]]+">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="[&amp;|^&lt;&gt;+*/%~-]+">
        <token type="Operator"/>
      </rule>
      <rule pattern="[$]+">
        <token type="KeywordConstant"/>
      </rule>
      <rule pattern="seg|wrt|strict">
        <token type="OperatorWord"/>
      </rule>
      <rule pattern="byte|[dq]?word">
        <token type="KeywordType"/>
      </rule>
    </state>
    <state name="root">
      <rule pattern="^\s*%">
        <token type="CommentPreproc"/>
        <push state="preproc"/>
      </rule>
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule pattern="[a-z$._?][\w$.?#@~]*:">
        <token type="NameLabel"/>
      </rule>
      <rule pattern="([a-z$._?][\w$.?#@~]*)(\s+)(equ)">
        <bygroups>
          <token type="NameConstant"/>
          <token type="KeywordDeclaration"/>
          <token type="KeywordDeclaration"/>
        </bygroups>
        <push state="instruction-args"/>
      </rule>
      <rule pattern="BITS|USE16|USE32|SECTION|SEGMENT|ABSOLUTE|EXTERN|GLOBAL|ORG|ALIGN|STRUC|ENDSTRUC|COMMON|CPU|GROUP|UPPERCASE|IMPORT|EXPORT|LIBRARY|MODULE">
        <token type="Keyword"/>
        <push state="instruction-args"/>
      </rule>
      <rule pattern="(?:res|d)[bwdqt]|times">
        <token type="KeywordDeclaration"/>
        <push state="instruction-args"/>
      </rule>
      <rule pattern="[a-z$._?][\w$.?#@~]*">
        <token type="NameFunction"/>
        <push state="instruction-args"/>
      </rule>
      <rule pattern="[\r\n]+">
        <token type="Text"/>
      </rule>
    </state>
    <state name="instruction-args">
      <rule pattern="&#34;(\\&#34;|[^&#34;\n])*&#34;|&#39;(\\&#39;|[^&#39;\n])*&#39;|`(\\`|[^`\n])*`">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="(?:0x[0-9a-f]+|$0[0-9a-f]*|[0-9]+[0-9a-f]*h)">
        <token type="LiteralNumberHex"/>
      </rule>
      <rule pattern="[0-7]+q">
        <token type="LiteralNumberOct"/>
      </rule>
      <rule pattern="[01]+b">
        <token type="LiteralNumberBin"/>
      </rule>
      <rule pattern="[0-9]+\.e?[0-9]+">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="[0-9]+">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule>
        <include state="punctuation"/>
      </rule>
      <rule pattern="r[0-9][0-5]?[bwd]|[a-d][lh]|[er]?[a-d]x|[er]?[sb]p|[er]?[sd]i|[c-gs]s|st[0-7]|mm[0-7]|cr[0-4]|dr[0-367]|tr[3-7]">
        <token type="NameBuiltin"/>
      </rule>
      <rule pattern="[a-z$._?][\w$.?#@~]*">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="[\r\n]+">
        <token type="Text"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="whitespace"/>
      </rule>
    </state>
    <state name="preproc">
      <rule pattern="[^;\n]+">
        <token type="CommentPreproc"/>
      </rule>
      <rule pattern=";.*?\n">
        <token type="CommentSingle"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="\n">
        <token type="CommentPreproc"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="whitespace">
      <rule pattern="\n">
        <token type="Text"/>
      </rule>
      <rule pattern="[ \t]+">
        <token type="Text"/>
      </rule>
      <rule pattern=";.*">
        <token type="CommentSingle"/>
      </rule>
    </state>
  </rules>
</lexer>