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Text file src/github.com/alecthomas/chroma/v2/lexers/embedded/haskell.xml

Documentation: github.com/alecthomas/chroma/v2/lexers/embedded

     1<lexer>
     2  <config>
     3    <name>Haskell</name>
     4    <alias>haskell</alias>
     5    <alias>hs</alias>
     6    <filename>*.hs</filename>
     7    <mime_type>text/x-haskell</mime_type>
     8  </config>
     9  <rules>
    10    <state name="escape">
    11      <rule pattern="[abfnrtv&#34;\&#39;&amp;\\]">
    12        <token type="LiteralStringEscape"/>
    13        <pop depth="1"/>
    14      </rule>
    15      <rule pattern="\^[][\p{Lu}@^_]">
    16        <token type="LiteralStringEscape"/>
    17        <pop depth="1"/>
    18      </rule>
    19      <rule pattern="NUL|SOH|[SE]TX|EOT|ENQ|ACK|BEL|BS|HT|LF|VT|FF|CR|S[OI]|DLE|DC[1-4]|NAK|SYN|ETB|CAN|EM|SUB|ESC|[FGRU]S|SP|DEL">
    20        <token type="LiteralStringEscape"/>
    21        <pop depth="1"/>
    22      </rule>
    23      <rule pattern="o[0-7]+">
    24        <token type="LiteralStringEscape"/>
    25        <pop depth="1"/>
    26      </rule>
    27      <rule pattern="x[\da-fA-F]+">
    28        <token type="LiteralStringEscape"/>
    29        <pop depth="1"/>
    30      </rule>
    31      <rule pattern="\d+">
    32        <token type="LiteralStringEscape"/>
    33        <pop depth="1"/>
    34      </rule>
    35      <rule pattern="\s+\\">
    36        <token type="LiteralStringEscape"/>
    37        <pop depth="1"/>
    38      </rule>
    39    </state>
    40    <state name="root">
    41      <rule pattern="\s+">
    42        <token type="Text"/>
    43      </rule>
    44      <rule pattern="--(?![!#$%&amp;*+./&lt;=&gt;?@^|_~:\\]).*?$">
    45        <token type="CommentSingle"/>
    46      </rule>
    47      <rule pattern="\{-">
    48        <token type="CommentMultiline"/>
    49        <push state="comment"/>
    50      </rule>
    51      <rule pattern="\bimport\b">
    52        <token type="KeywordReserved"/>
    53        <push state="import"/>
    54      </rule>
    55      <rule pattern="\bmodule\b">
    56        <token type="KeywordReserved"/>
    57        <push state="module"/>
    58      </rule>
    59      <rule pattern="\berror\b">
    60        <token type="NameException"/>
    61      </rule>
    62      <rule pattern="\b(case|class|data|default|deriving|do|else|family|if|in|infix[lr]?|instance|let|newtype|of|then|type|where|_)(?!\&#39;)\b">
    63        <token type="KeywordReserved"/>
    64      </rule>
    65      <rule pattern="&#39;[^\\]&#39;">
    66        <token type="LiteralStringChar"/>
    67      </rule>
    68      <rule pattern="^[_\p{Ll}][\w\&#39;]*">
    69        <token type="NameFunction"/>
    70      </rule>
    71      <rule pattern="&#39;?[_\p{Ll}][\w&#39;]*">
    72        <token type="Name"/>
    73      </rule>
    74      <rule pattern="(&#39;&#39;)?[\p{Lu}][\w\&#39;]*">
    75        <token type="KeywordType"/>
    76      </rule>
    77      <rule pattern="(&#39;)[\p{Lu}][\w\&#39;]*">
    78        <token type="KeywordType"/>
    79      </rule>
    80      <rule pattern="(&#39;)\[[^\]]*\]">
    81        <token type="KeywordType"/>
    82      </rule>
    83      <rule pattern="(&#39;)\([^)]*\)">
    84        <token type="KeywordType"/>
    85      </rule>
    86      <rule pattern="\\(?![:!#$%&amp;*+.\\/&lt;=&gt;?@^|~-]+)">
    87        <token type="NameFunction"/>
    88      </rule>
    89      <rule pattern="(&lt;-|::|-&gt;|=&gt;|=)(?![:!#$%&amp;*+.\\/&lt;=&gt;?@^|~-]+)">
    90        <token type="OperatorWord"/>
    91      </rule>
    92      <rule pattern=":[:!#$%&amp;*+.\\/&lt;=&gt;?@^|~-]*">
    93        <token type="KeywordType"/>
    94      </rule>
    95      <rule pattern="[:!#$%&amp;*+.\\/&lt;=&gt;?@^|~-]+">
    96        <token type="Operator"/>
    97      </rule>
    98      <rule pattern="\d+[eE][+-]?\d+">
    99        <token type="LiteralNumberFloat"/>
   100      </rule>
   101      <rule pattern="\d+\.\d+([eE][+-]?\d+)?">
   102        <token type="LiteralNumberFloat"/>
   103      </rule>
   104      <rule pattern="0[oO][0-7]+">
   105        <token type="LiteralNumberOct"/>
   106      </rule>
   107      <rule pattern="0[xX][\da-fA-F]+">
   108        <token type="LiteralNumberHex"/>
   109      </rule>
   110      <rule pattern="\d+">
   111        <token type="LiteralNumberInteger"/>
   112      </rule>
   113      <rule pattern="&#39;">
   114        <token type="LiteralStringChar"/>
   115        <push state="character"/>
   116      </rule>
   117      <rule pattern="&#34;">
   118        <token type="LiteralString"/>
   119        <push state="string"/>
   120      </rule>
   121      <rule pattern="\[\]">
   122        <token type="KeywordType"/>
   123      </rule>
   124      <rule pattern="\(\)">
   125        <token type="NameBuiltin"/>
   126      </rule>
   127      <rule pattern="[][(),;`{}]">
   128        <token type="Punctuation"/>
   129      </rule>
   130    </state>
   131    <state name="import">
   132      <rule pattern="\s+">
   133        <token type="Text"/>
   134      </rule>
   135      <rule pattern="&#34;">
   136        <token type="LiteralString"/>
   137        <push state="string"/>
   138      </rule>
   139      <rule pattern="\)">
   140        <token type="Punctuation"/>
   141        <pop depth="1"/>
   142      </rule>
   143      <rule pattern="qualified\b">
   144        <token type="Keyword"/>
   145      </rule>
   146      <rule pattern="([\p{Lu}][\w.]*)(\s+)(as)(\s+)([\p{Lu}][\w.]*)">
   147        <bygroups>
   148          <token type="NameNamespace"/>
   149          <token type="Text"/>
   150          <token type="Keyword"/>
   151          <token type="Text"/>
   152          <token type="Name"/>
   153        </bygroups>
   154        <pop depth="1"/>
   155      </rule>
   156      <rule pattern="([\p{Lu}][\w.]*)(\s+)(hiding)(\s+)(\()">
   157        <bygroups>
   158          <token type="NameNamespace"/>
   159          <token type="Text"/>
   160          <token type="Keyword"/>
   161          <token type="Text"/>
   162          <token type="Punctuation"/>
   163        </bygroups>
   164        <push state="funclist"/>
   165      </rule>
   166      <rule pattern="([\p{Lu}][\w.]*)(\s+)(\()">
   167        <bygroups>
   168          <token type="NameNamespace"/>
   169          <token type="Text"/>
   170          <token type="Punctuation"/>
   171        </bygroups>
   172        <push state="funclist"/>
   173      </rule>
   174      <rule pattern="[\w.]+">
   175        <token type="NameNamespace"/>
   176        <pop depth="1"/>
   177      </rule>
   178    </state>
   179    <state name="module">
   180      <rule pattern="\s+">
   181        <token type="Text"/>
   182      </rule>
   183      <rule pattern="([\p{Lu}][\w.]*)(\s+)(\()">
   184        <bygroups>
   185          <token type="NameNamespace"/>
   186          <token type="Text"/>
   187          <token type="Punctuation"/>
   188        </bygroups>
   189        <push state="funclist"/>
   190      </rule>
   191      <rule pattern="[\p{Lu}][\w.]*">
   192        <token type="NameNamespace"/>
   193        <pop depth="1"/>
   194      </rule>
   195    </state>
   196    <state name="funclist">
   197      <rule pattern="\s+">
   198        <token type="Text"/>
   199      </rule>
   200      <rule pattern="[\p{Lu}]\w*">
   201        <token type="KeywordType"/>
   202      </rule>
   203      <rule pattern="(_[\w\&#39;]+|[\p{Ll}][\w\&#39;]*)">
   204        <token type="NameFunction"/>
   205      </rule>
   206      <rule pattern="--(?![!#$%&amp;*+./&lt;=&gt;?@^|_~:\\]).*?$">
   207        <token type="CommentSingle"/>
   208      </rule>
   209      <rule pattern="\{-">
   210        <token type="CommentMultiline"/>
   211        <push state="comment"/>
   212      </rule>
   213      <rule pattern=",">
   214        <token type="Punctuation"/>
   215      </rule>
   216      <rule pattern="[:!#$%&amp;*+.\\/&lt;=&gt;?@^|~-]+">
   217        <token type="Operator"/>
   218      </rule>
   219      <rule pattern="\(">
   220        <token type="Punctuation"/>
   221        <push state="funclist" state="funclist"/>
   222      </rule>
   223      <rule pattern="\)">
   224        <token type="Punctuation"/>
   225        <pop depth="2"/>
   226      </rule>
   227    </state>
   228    <state name="comment">
   229      <rule pattern="[^-{}]+">
   230        <token type="CommentMultiline"/>
   231      </rule>
   232      <rule pattern="\{-">
   233        <token type="CommentMultiline"/>
   234        <push/>
   235      </rule>
   236      <rule pattern="-\}">
   237        <token type="CommentMultiline"/>
   238        <pop depth="1"/>
   239      </rule>
   240      <rule pattern="[-{}]">
   241        <token type="CommentMultiline"/>
   242      </rule>
   243    </state>
   244    <state name="character">
   245      <rule pattern="[^\\&#39;]&#39;">
   246        <token type="LiteralStringChar"/>
   247        <pop depth="1"/>
   248      </rule>
   249      <rule pattern="\\">
   250        <token type="LiteralStringEscape"/>
   251        <push state="escape"/>
   252      </rule>
   253      <rule pattern="&#39;">
   254        <token type="LiteralStringChar"/>
   255        <pop depth="1"/>
   256      </rule>
   257    </state>
   258    <state name="string">
   259      <rule pattern="[^\\&#34;]+">
   260        <token type="LiteralString"/>
   261      </rule>
   262      <rule pattern="\\">
   263        <token type="LiteralStringEscape"/>
   264        <push state="escape"/>
   265      </rule>
   266      <rule pattern="&#34;">
   267        <token type="LiteralString"/>
   268        <pop depth="1"/>
   269      </rule>
   270    </state>
   271  </rules>
   272</lexer>

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