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

```
<lexer>
```
```
  <config>
```
```
    <name>Meson</name>
```
```
    <alias>meson</alias>
```
```
    <alias>meson.build</alias>
```
```
    <filename>meson.build</filename>
```

    <filename>meson_options.txt</filename>

    <mime_type>text/x-meson</mime_type>

```
  </config>
```
```
  <rules>
```
```
    <state name="root">
```
```
      <rule pattern="#.*?$">
```
```
        <token type="Comment"/>
```
```
      </rule>
```

      <rule pattern="&#39;&#39;&#39;.*&#39;&#39;&#39;">

        <token type="LiteralStringSingle"/>

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

        <token type="LiteralNumberInteger"/>

```
      </rule>
```
```
      <rule pattern="0o[0-7]+">
```

        <token type="LiteralNumberOct"/>

```
      </rule>
```
```
      <rule pattern="0x[a-fA-F0-9]+">
```

        <token type="LiteralNumberHex"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="string"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="keywords"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="expr"/>
```
```
      </rule>
```

      <rule pattern="[a-zA-Z_][a-zA-Z_0-9]*">

```
        <token type="Name"/>
```
```
      </rule>
```
```
      <rule pattern="\s+">
```
```
        <token type="TextWhitespace"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="string">
```

      <rule pattern="[&#39;]{3}([&#39;]{0,2}([^\\&#39;]|\\(.|\n)))*[&#39;]{3}">

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

      <rule pattern="&#39;.*?(?&lt;!\\)(\\\\)*?&#39;">

```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="keywords">
```

      <rule pattern="(endforeach|continue|foreach|break|endif|else|elif|if)\b">

```
        <token type="Keyword"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="expr">
```

      <rule pattern="(in|and|or|not)\b">

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

      <rule pattern="(\*=|/=|%=|\+]=|-=|==|!=|\+|-|=)">

```
        <token type="Operator"/>
```
```
      </rule>
```
```
      <rule pattern="[\[\]{}:().,?]">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="(false|true)\b">
```

        <token type="KeywordConstant"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="builtins"/>
```
```
      </rule>
```

      <rule pattern="(target_machine|build_machine|host_machine|meson)\b">

        <token type="NameVariableMagic"/>

```
      </rule>
```
```
    </state>
```
```
    <state name="builtins">
```

      <rule pattern="(?&lt;!\.)(add_project_link_arguments|add_global_link_arguments|add_project_arguments|add_global_arguments|include_directories|configuration_data|declare_dependency|install_headers|both_libraries|install_subdir|add_test_setup|configure_file|static_library|shared_library|custom_target|add_languages|shared_module|set_variable|get_variable|find_library|find_program|build_target|install_data|environment|is_disabler|run_command|subdir_done|install_man|is_variable|subproject|dependency|join_paths|get_option|executable|generator|benchmark|disabler|project|message|library|summary|vcs_tag|warning|assert|subdir|range|files|error|test|jar)\b">

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

      <rule pattern="(?&lt;!\.)import\b">

```
        <token type="NameNamespace"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```