cheat/vendor/github.com/alecthomas/chroma/v2/lexers/embedded/glsl.xml

<lexer>
  <config>
    <name>GLSL</name>
    <alias>glsl</alias>
    <filename>*.vert</filename>
    <filename>*.frag</filename>
    <filename>*.geo</filename>
    <mime_type>text/x-glslsrc</mime_type>
  </config>
  <rules>
    <state name="root">
      <rule pattern="^#.*">
        <token type="CommentPreproc"/>
      </rule>
      <rule pattern="//.*">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="/(\\\n)?[*](.|\n)*?[*](\\\n)?/">
        <token type="CommentMultiline"/>
      </rule>
      <rule pattern="\+|-|~|!=?|\*|/|%|&lt;&lt;|&gt;&gt;|&lt;=?|&gt;=?|==?|&amp;&amp;?|\^|\|\|?">
        <token type="Operator"/>
      </rule>
      <rule pattern="[?:]">
        <token type="Operator"/>
      </rule>
      <rule pattern="\bdefined\b">
        <token type="Operator"/>
      </rule>
      <rule pattern="[;{}(),\[\]]">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="[+-]?\d*\.\d+([eE][-+]?\d+)?">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="[+-]?\d+\.\d*([eE][-+]?\d+)?">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="0[xX][0-9a-fA-F]*">
        <token type="LiteralNumberHex"/>
      </rule>
      <rule pattern="0[0-7]*">
        <token type="LiteralNumberOct"/>
      </rule>
      <rule pattern="[1-9][0-9]*">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="\b(sampler3DsamplerCube|sampler2DShadow|sampler1DShadow|invariant|sampler1D|sampler2D|attribute|mat3mat4|centroid|continue|varying|uniform|discard|mat4x4|mat3x3|mat2x3|mat4x2|mat3x2|mat2x2|mat2x4|mat3x4|struct|return|mat4x3|bvec4|false|ivec4|ivec3|const|float|inout|ivec2|break|while|bvec3|bvec2|vec3|else|true|void|bool|vec2|vec4|mat2|for|out|int|in|do|if)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="\b(sampler2DRectShadow|sampler2DRect|sampler3DRect|namespace|precision|interface|volatile|template|unsigned|external|noinline|mediump|typedef|default|switch|static|extern|inline|sizeof|output|packed|double|public|fvec3|class|union|short|highp|fixed|input|fvec4|hvec2|hvec3|hvec4|dvec2|dvec3|dvec4|fvec2|using|long|this|enum|lowp|cast|goto|half|asm)\b">
        <token type="Keyword"/>
      </rule>
      <rule pattern="[a-zA-Z_]\w*">
        <token type="Name"/>
      </rule>
      <rule pattern="\.">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
    </state>
  </rules>
</lexer>