prosody
89162d27e1b1
util/startup.lua

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util/startup.lua @ 11152:89162d27e1b1

util.startup: Handle missing nparams field from debug info (not present in 5.1)
author Matthew Wild <mwild1@gmail.com>
date Sun, 11 Oct 2020 20:25:32 +0100
parent 11150:0cfa36fa707e
child 11304:c022b582d312
comparison
equal deleted inserted replaced
11151:498b3ab49b9c 11152:89162d27e1b1
196 debug.setupvalue(f, i, value); 196 debug.setupvalue(f, i, value);
197 end 197 end
198 end 198 end
199 function mt.__tostring(f) 199 function mt.__tostring(f)
200 local info = debug.getinfo(f, "Su"); 200 local info = debug.getinfo(f, "Su");
201 for i = 1, info.nparams do 201 local n_params = info.nparams or 0;
202 for i = 1, n_params do
202 info[i] = debug.getlocal(f, i); 203 info[i] = debug.getlocal(f, i);
203 end 204 end
204 if info.isvararg then 205 if info.isvararg then
205 info[info.nparams+1] = "..."; 206 info[n_params+1] = "...";
206 end 207 end
207 return ("function<%s:%d>(%s)"):format(info.short_src:match("[^\\/]*$"), info.linedefined, table.concat(info, ", ")); 208 return ("function<%s:%d>(%s)"):format(info.short_src:match("[^\\/]*$"), info.linedefined, table.concat(info, ", "));
208 end 209 end
209 debug.setmetatable(function() end, mt); 210 debug.setmetatable(function() end, mt);
210 end 211 end