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1 <!doctype html>
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2
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3 <title>CodeMirror: Erlang mode</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../../lib/codemirror.css">
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8 <link rel="stylesheet" href="../../theme/erlang-dark.css">
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9 <script src="../../lib/codemirror.js"></script>
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10 <script src="../../addon/edit/matchbrackets.js"></script>
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11 <script src="erlang.js"></script>
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12 <style>.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}</style>
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13 <div id=nav>
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14 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
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15
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16 <ul>
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17 <li><a href="../../index.html">Home</a>
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18 <li><a href="../../doc/manual.html">Manual</a>
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19 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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20 </ul>
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21 <ul>
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22 <li><a href="../index.html">Language modes</a>
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23 <li><a class=active href="#">Erlang</a>
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24 </ul>
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25 </div>
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26
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27 <article>
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28 <h2>Erlang mode</h2>
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29 <form><textarea id="code" name="code">
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30 %% -*- mode: erlang; erlang-indent-level: 2 -*-
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31 %%% Created : 7 May 2012 by mats cronqvist <masse@klarna.com>
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32
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33 %% @doc
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34 %% Demonstrates how to print a record.
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35 %% @end
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36
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37 -module('ex').
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38 -author('mats cronqvist').
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39 -export([demo/0,
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40 rec_info/1]).
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41
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42 -record(demo,{a="One",b="Two",c="Three",d="Four"}).
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43
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44 rec_info(demo) -> record_info(fields,demo).
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45
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46 demo() -> expand_recs(?MODULE,#demo{a="A",b="BB"}).
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47
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48 expand_recs(M,List) when is_list(List) ->
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49 [expand_recs(M,L)||L<-List];
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50 expand_recs(M,Tup) when is_tuple(Tup) ->
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51 case tuple_size(Tup) of
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52 L when L < 1 -> Tup;
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53 L ->
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54 try
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55 Fields = M:rec_info(element(1,Tup)),
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56 L = length(Fields)+1,
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57 lists:zip(Fields,expand_recs(M,tl(tuple_to_list(Tup))))
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58 catch
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59 _:_ -> list_to_tuple(expand_recs(M,tuple_to_list(Tup)))
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60 end
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61 end;
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62 expand_recs(_,Term) ->
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63 Term.
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64 </textarea></form>
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65
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66 <script>
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67 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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68 lineNumbers: true,
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69 matchBrackets: true,
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70 extraKeys: {"Tab": "indentAuto"},
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71 theme: "erlang-dark"
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72 });
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73 </script>
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74
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75 <p><strong>MIME types defined:</strong> <code>text/x-erlang</code>.</p>
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76 </article>
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