Mercurial Hosting > luan
view web/src/luan/modules/web/web_run.luan @ 326:db37d6aee4db
remove try-catch statement;
add Luan.try() and Luan.pcall();
git-svn-id: https://luan-java.googlecode.com/svn/trunk@327 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Thu, 19 Mar 2015 00:01:57 +0000 |
parents | 78a6a71afbfd |
children | fb18724521d2 |
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local Luan = require "luan:Luan" local load = Luan.load local try = Luan.try local Io = require "luan:Io" local print = Io.print local Http = require "luan:web/Http" local String = require "luan:String" local Html = require "luan:Html" local function lines(s) local matcher = s.gmatch "([^\n]*)\n|([^\n])+$" return function() local m1, m2 = matcher() return m1 or m2 end end local function print_with_line_numbers(s) i = 1 for line in lines(s) do print(i,line) i = i + 1 end end local function form() Html.simple_html_page{ head = function() %> <title>Run Luan Code</title> <% end; body = function() %> <center margin-top=10> <h3>Run Luan Code</h3> </center> <form name="form0" method="post"> <input type="hidden" name="content_type" value="text/plain" /> <center> <textarea name="code" rows="20" cols="90" wrap="off" autofocus></textarea> </center> <center margin-top=5> <input type="submit" value="Execute Luan Code" textcolor="white" bgcolor="#337ab7"/> </center> </form> <% end; } end function service() Io.stdout = Http.response.text_writer() local code = Http.request.parameters.code if code == nil then form() return end local content_type = Http.request.parameters.content_type if content_type ~= nil then Http.response.content_type = content_type end local env = { request = Http.request; response = Http.response; } try { function() local run = load(code,"<web_run>",env) run() end; catch = function(e) Http.response.content_type = "text/plain" print(e) print() print() print_with_line_numbers(code) end; } end