Viewing github.com/alecthomas/chroma/lexers/embedded/graphql.xml

```
<lexer>
```
```
  <config>
```
```
    <name>GraphQL</name>
```
```
    <alias>graphql</alias>
```
```
    <alias>graphqls</alias>
```
```
    <alias>gql</alias>
```
```
    <filename>*.graphql</filename>
```
```
    <filename>*.graphqls</filename>
```
```
  </config>
```
```
  <rules>
```
```
    <state name="root">
```

      <rule pattern="(query|mutation|subscription|fragment|scalar|implements|interface|union|enum|input|type)">

        <token type="KeywordDeclaration"/>

```
        <push state="type"/>
```
```
      </rule>
```

      <rule pattern="(on|extend|schema|directive|\.\.\.)">

        <token type="KeywordDeclaration"/>

```
      </rule>
```

      <rule pattern="(QUERY|MUTATION|SUBSCRIPTION|FIELD|FRAGMENT_DEFINITION|FRAGMENT_SPREAD|INLINE_FRAGMENT|SCHEMA|SCALAR|OBJECT|FIELD_DEFINITION|ARGUMENT_DEFINITION|INTERFACE|UNION|ENUM|ENUM_VALUE|INPUT_OBJECT|INPUT_FIELD_DEFINITION)\b">

        <token type="KeywordConstant"/>

```
      </rule>
```
```
      <rule pattern="[^\W\d]\w*">
```
```
        <token type="NameProperty"/>
```
```
      </rule>
```
```
      <rule pattern="\@\w+">
```
```
        <token type="NameDecorator"/>
```
```
      </rule>
```
```
      <rule pattern=":">
```
```
        <token type="Punctuation"/>
```
```
        <push state="type"/>
```
```
      </rule>
```

      <rule pattern="[\(\)\{\}\[\],!\|=]">

```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="\$\w+">
```
```
        <token type="NameVariable"/>
```
```
      </rule>
```
```
      <rule pattern="\d+i">
```
```
        <token type="LiteralNumber"/>
```
```
      </rule>
```

      <rule pattern="\d+\.\d*([Ee][-+]\d+)?i">

```
        <token type="LiteralNumber"/>
```
```
      </rule>
```

      <rule pattern="\.\d+([Ee][-+]\d+)?i">

```
        <token type="LiteralNumber"/>
```
```
      </rule>
```
```
      <rule pattern="\d+[Ee][-+]\d+i">
```
```
        <token type="LiteralNumber"/>
```
```
      </rule>
```

      <rule pattern="\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)">

        <token type="LiteralNumberFloat"/>

```
      </rule>
```

      <rule pattern="\.\d+([eE][+\-]?\d+)?">

        <token type="LiteralNumberFloat"/>

```
      </rule>
```
```
      <rule pattern="(0|[1-9][0-9]*)">
```

        <token type="LiteralNumberInteger"/>

```
      </rule>
```

      <rule pattern="&#34;&#34;&#34;[\x00-\x7F]*?&#34;&#34;&#34;">

```
        <token type="LiteralString"/>
```
```
      </rule>
```

      <rule pattern="&#34;(\\[&#34;\\abfnrtv]|\\x[0-9a-fA-F]{2}|\\[0-7]{1,3}|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|[^\\])&#34;">

        <token type="LiteralStringChar"/>

```
      </rule>
```

      <rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">

```
        <token type="LiteralString"/>
```
```
      </rule>
```

      <rule pattern="&#34;(true|false|null)*&#34;">

```
        <token type="Literal"/>
```
```
      </rule>
```
```
      <rule pattern="[\r\n\s]+">
```
```
        <token type="TextWhitespace"/>
```
```
      </rule>
```
```
      <rule pattern="#[^\r\n]*">
```
```
        <token type="Comment"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="type">
```
```
      <rule pattern="[^\W\d]\w*">
```
```
        <token type="NameClass"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="root"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```