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