2016-07-23 05:29:20 +00:00
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<!doctype html>
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<title>CodeMirror: Erlang mode</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../../doc/docs.css">
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<link rel="stylesheet" href="../../lib/codemirror.css">
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<link rel="stylesheet" href="../../theme/erlang-dark.css">
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<script src="../../lib/codemirror.js"></script>
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<script src="../../addon/edit/matchbrackets.js"></script>
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<script src="erlang.js"></script>
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2019-10-15 08:40:42 +00:00
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<style>.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}</style>
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2016-07-23 05:29:20 +00:00
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<div id=nav>
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2019-10-15 08:40:42 +00:00
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<a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
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2016-07-23 05:29:20 +00:00
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<ul>
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<li><a href="../../index.html">Home</a>
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<li><a href="../../doc/manual.html">Manual</a>
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<li><a href="https://github.com/codemirror/codemirror">Code</a>
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</ul>
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<ul>
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<li><a href="../index.html">Language modes</a>
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<li><a class=active href="#">Erlang</a>
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</ul>
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</div>
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<article>
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<h2>Erlang mode</h2>
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<form><textarea id="code" name="code">
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%% -*- mode: erlang; erlang-indent-level: 2 -*-
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%%% Created : 7 May 2012 by mats cronqvist <masse@klarna.com>
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%% @doc
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%% Demonstrates how to print a record.
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%% @end
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-module('ex').
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-author('mats cronqvist').
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-export([demo/0,
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rec_info/1]).
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-record(demo,{a="One",b="Two",c="Three",d="Four"}).
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rec_info(demo) -> record_info(fields,demo).
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demo() -> expand_recs(?MODULE,#demo{a="A",b="BB"}).
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expand_recs(M,List) when is_list(List) ->
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[expand_recs(M,L)||L<-List];
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expand_recs(M,Tup) when is_tuple(Tup) ->
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case tuple_size(Tup) of
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L when L < 1 -> Tup;
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L ->
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try
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Fields = M:rec_info(element(1,Tup)),
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L = length(Fields)+1,
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lists:zip(Fields,expand_recs(M,tl(tuple_to_list(Tup))))
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catch
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_:_ -> list_to_tuple(expand_recs(M,tuple_to_list(Tup)))
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end
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end;
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expand_recs(_,Term) ->
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Term.
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</textarea></form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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lineNumbers: true,
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matchBrackets: true,
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extraKeys: {"Tab": "indentAuto"},
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theme: "erlang-dark"
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});
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</script>
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<p><strong>MIME types defined:</strong> <code>text/x-erlang</code>.</p>
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</article>
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