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

```
<lexer>
```
```
  <config>
```
```
    <name>Cython</name>
```
```
    <alias>cython</alias>
```
```
    <alias>pyx</alias>
```
```
    <alias>pyrex</alias>
```
```
    <filename>*.pyx</filename>
```
```
    <filename>*.pxd</filename>
```
```
    <filename>*.pxi</filename>
```

    <mime_type>text/x-cython</mime_type>

    <mime_type>application/x-cython</mime_type>

```
  </config>
```
```
  <rules>
```
```
    <state name="funcname">
```
```
      <rule pattern="[a-zA-Z_]\w*">
```
```
        <token type="NameFunction"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="root">
```
```
      <rule pattern="\n">
```
```
        <token type="Text"/>
```
```
      </rule>
```

      <rule pattern="^(\s*)(&#34;&#34;&#34;(?:.|\n)*?&#34;&#34;&#34;)">

```
        <bygroups>
```
```
          <token type="Text"/>
```

          <token type="LiteralStringDoc"/>

```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="^(\s*)(&#39;&#39;&#39;(?:.|\n)*?&#39;&#39;&#39;)">

```
        <bygroups>
```
```
          <token type="Text"/>
```

          <token type="LiteralStringDoc"/>

```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="[^\S\n]+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="#.*$">
```
```
        <token type="Comment"/>
```
```
      </rule>
```
```
      <rule pattern="[]{}:(),;[]">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="\\\n">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="\\">
```
```
        <token type="Text"/>
```
```
      </rule>
```

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

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

      <rule pattern="(&lt;)([a-zA-Z0-9.?]+)(&gt;)">

```
        <bygroups>
```
```
          <token type="Punctuation"/>
```
```
          <token type="KeywordType"/>
```
```
          <token type="Punctuation"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="!=|==|&lt;&lt;|&gt;&gt;|[-~+/*%=&lt;&gt;&amp;^|.?]">

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

      <rule pattern="(from)(\d+)(&lt;=)(\s+)(&lt;)(\d+)(:)">

```
        <bygroups>
```
```
          <token type="Keyword"/>
```

          <token type="LiteralNumberInteger"/>

```
          <token type="Operator"/>
```
```
          <token type="Name"/>
```
```
          <token type="Operator"/>
```
```
          <token type="Name"/>
```
```
          <token type="Punctuation"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="keywords"/>
```
```
      </rule>
```

      <rule pattern="(def|property)(\s+)">

```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <push state="funcname"/>
```
```
      </rule>
```
```
      <rule pattern="(cp?def)(\s+)">
```
```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <push state="cdef"/>
```
```
      </rule>
```
```
      <rule pattern="(cdef)(:)">
```
```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Punctuation"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(class|struct)(\s+)">

```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <push state="classname"/>
```
```
      </rule>
```
```
      <rule pattern="(from)(\s+)">
```
```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <push state="fromimport"/>
```
```
      </rule>
```
```
      <rule pattern="(c?import)(\s+)">
```
```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <push state="import"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="builtins"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="backtick"/>
```
```
      </rule>
```

      <rule pattern="(?:[rR]|[uU][rR]|[rR][uU])&#34;&#34;&#34;">

```
        <token type="LiteralString"/>
```
```
        <push state="tdqs"/>
```
```
      </rule>
```

      <rule pattern="(?:[rR]|[uU][rR]|[rR][uU])&#39;&#39;&#39;">

```
        <token type="LiteralString"/>
```
```
        <push state="tsqs"/>
```
```
      </rule>
```

      <rule pattern="(?:[rR]|[uU][rR]|[rR][uU])&#34;">

```
        <token type="LiteralString"/>
```
```
        <push state="dqs"/>
```
```
      </rule>
```

      <rule pattern="(?:[rR]|[uU][rR]|[rR][uU])&#39;">

```
        <token type="LiteralString"/>
```
```
        <push state="sqs"/>
```
```
      </rule>
```

      <rule pattern="[uU]?&#34;&#34;&#34;">

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

        <combined state="stringescape" state="tdqs"/>

```
      </rule>
```

      <rule pattern="[uU]?&#39;&#39;&#39;">

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

        <combined state="stringescape" state="tsqs"/>

```
      </rule>
```
```
      <rule pattern="[uU]?&#34;">
```
```
        <token type="LiteralString"/>
```

        <combined state="stringescape" state="dqs"/>

```
      </rule>
```
```
      <rule pattern="[uU]?&#39;">
```
```
        <token type="LiteralString"/>
```

        <combined state="stringescape" state="sqs"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="name"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="numbers"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="stringescape">
```

      <rule pattern="\\([\\abfnrtv&#34;\&#39;]|\n|N\{.*?\}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})">

        <token type="LiteralStringEscape"/>

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

      <rule pattern="%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsux%]">

        <token type="LiteralStringInterpol"/>

```
      </rule>
```

      <rule pattern="[^\\\&#39;&#34;%\n]+">

```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="[\&#39;&#34;\\]">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="%">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="backtick">
```
```
      <rule pattern="`.*?`">
```

        <token type="LiteralStringBacktick"/>

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

      <rule pattern="(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?">

        <token type="LiteralNumberFloat"/>

```
      </rule>
```
```
      <rule pattern="0\d+">
```

        <token type="LiteralNumberOct"/>

```
      </rule>
```

      <rule pattern="0[xX][a-fA-F0-9]+">

        <token type="LiteralNumberHex"/>

```
      </rule>
```
```
      <rule pattern="\d+L">
```

        <token type="LiteralNumberIntegerLong"/>

```
      </rule>
```
```
      <rule pattern="\d+">
```

        <token type="LiteralNumberInteger"/>

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

      <rule pattern="(continue|ctypedef|except\?|include|finally|global|return|lambda|assert|except|print|nogil|while|fused|yield|break|raise|exec|else|elif|pass|with|gil|for|try|del|by|as|if)\b">

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

      <rule pattern="(DEF|IF|ELIF|ELSE)\b">

```
        <token type="CommentPreproc"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="fromimport">
```

      <rule pattern="(\s+)(c?import)\b">

```
        <bygroups>
```
```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
        </bygroups>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="[a-zA-Z_.][\w.]*">

```
        <token type="NameNamespace"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="nl">
```
```
      <rule pattern="\n">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="dqs">
```
```
      <rule pattern="&#34;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="\\\\|\\&#34;|\\\n">

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="strings"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="tsqs">
```
```
      <rule pattern="&#39;&#39;&#39;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="strings"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="nl"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="import">
```
```
      <rule pattern="(\s+)(as)(\s+)">
```
```
        <bygroups>
```
```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="[a-zA-Z_][\w.]*">
```
```
        <token type="NameNamespace"/>
```
```
      </rule>
```
```
      <rule pattern="(\s*)(,)(\s*)">
```
```
        <bygroups>
```
```
          <token type="Text"/>
```
```
          <token type="Operator"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="name">
```
```
      <rule pattern="@\w+">
```
```
        <token type="NameDecorator"/>
```
```
      </rule>
```
```
      <rule pattern="[a-zA-Z_]\w*">
```
```
        <token type="Name"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="cdef">
```

      <rule pattern="(public|readonly|extern|api|inline)\b">

        <token type="KeywordReserved"/>

```
      </rule>
```

      <rule pattern="(struct|enum|union|class)\b">

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

      <rule pattern="([a-zA-Z_]\w*)(\s*)(?=[(:#=]|$)">

```
        <bygroups>
```
```
          <token type="NameFunction"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="([a-zA-Z_]\w*)(\s*)(,)">

```
        <bygroups>
```
```
          <token type="NameFunction"/>
```
```
          <token type="Text"/>
```
```
          <token type="Punctuation"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="from\b">
```
```
        <token type="Keyword"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="as\b">
```
```
        <token type="Keyword"/>
```
```
      </rule>
```
```
      <rule pattern=":">
```
```
        <token type="Punctuation"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="(?=[&#34;\&#39;])">

```
        <token type="Text"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="[a-zA-Z_]\w*">
```
```
        <token type="KeywordType"/>
```
```
      </rule>
```
```
      <rule pattern=".">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="classname">
```
```
      <rule pattern="[a-zA-Z_]\w*">
```
```
        <token type="NameClass"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="sqs">
```
```
      <rule pattern="&#39;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="\\\\|\\&#39;|\\\n">

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="strings"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="tdqs">
```
```
      <rule pattern="&#34;&#34;&#34;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="strings"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="nl"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="builtins">
```

      <rule pattern="(?&lt;!\.)(staticmethod|classmethod|__import__|issubclass|isinstance|basestring|bytearray|raw_input|frozenset|enumerate|property|unsigned|reversed|callable|execfile|hasattr|compile|complex|delattr|setattr|unicode|globals|getattr|reload|divmod|xrange|unichr|filter|reduce|buffer|intern|coerce|sorted|locals|object|round|input|range|super|tuple|bytes|float|slice|apply|bool|long|exit|vars|file|next|type|iter|open|dict|repr|hash|list|eval|oct|map|zip|int|hex|set|sum|chr|cmp|any|str|pow|ord|dir|len|min|all|abs|max|bin|id)\b">

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

      <rule pattern="(?&lt;!\.)(self|None|Ellipsis|NotImplemented|False|True|NULL)\b">

        <token type="NameBuiltinPseudo"/>

```
      </rule>
```

      <rule pattern="(?&lt;!\.)(PendingDeprecationWarning|UnicodeTranslateError|NotImplementedError|FloatingPointError|DeprecationWarning|UnicodeDecodeError|UnicodeEncodeError|UnboundLocalError|KeyboardInterrupt|ZeroDivisionError|IndentationError|EnvironmentError|OverflowWarning|ArithmeticError|RuntimeWarning|UnicodeWarning|AttributeError|AssertionError|NotImplemented|ReferenceError|StopIteration|SyntaxWarning|OverflowError|GeneratorExit|FutureWarning|BaseException|ImportWarning|StandardError|RuntimeError|UnicodeError|LookupError|ImportError|SyntaxError|MemoryError|SystemError|UserWarning|SystemExit|ValueError|IndexError|NameError|TypeError|Exception|KeyError|EOFError|TabError|OSError|Warning|IOError)\b">

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