prosody
c667887d78ad
util/serialization.lua

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util/serialization.lua @ 9485:c667887d78ad

util.serialization: Simpler metatable pre-processing It was too difficult to describe what it did.
author Kim Alvefur <zash@zash.se>
date Fri, 12 Oct 2018 00:13:24 +0200
parent 9484:1d1541630c20
child 9486:20aad0108999
comparison
equal deleted inserted replaced
9484:1d1541630c20 9485:c667887d78ad
137 o[l], l = fallback(t, "recursion"), l + 1; 137 o[l], l = fallback(t, "recursion"), l + 1;
138 return l; 138 return l;
139 end 139 end
140 140
141 o[t] = true; 141 o[t] = true;
142 if freeze then 142
143 if freeze == true then
143 -- opportunity to do pre-serialization 144 -- opportunity to do pre-serialization
144 local mt = getmetatable(t); 145 local mt = getmetatable(t);
145 local fr = (type(freeze) == "table" and freeze[mt]); 146 if type(mt) == "table" then
146 local mf = mt and mt.__freeze; 147 local tag = mt.__name;
147 local tag; 148 local fr = mt.__freeze;
148 if type(fr) == "string" then 149
149 tag = fr; 150 if type(fr) == "function" then
150 fr = mf; 151 t = fr(t);
151 elseif mt then 152 if type(tag) == "string" then
152 tag = mt.__type; 153 o[l], l = tag, l + 1;
153 end 154 end
154 if type(fr) == "function" then
155 t = fr(t);
156 if type(tag) == "string" then
157 o[l], l = tag, l + 1;
158 end 155 end
159 end 156 end
160 end 157 end
158
161 o[l], l = tstart, l + 1; 159 o[l], l = tstart, l + 1;
162 local indent = s_rep(indentwith, d); 160 local indent = s_rep(indentwith, d);
163 local numkey = 1; 161 local numkey = 1;
164 local ktyp, vtyp; 162 local ktyp, vtyp;
165 for k,v in next,t do 163 for k,v in next,t do