webmcp
annotate framework/env/param/restore.lua @ 118:92d9218140f7
Cleanup of Makefile.options; Removed wrong escape character in framework/bin/langtool.lua
author | jbe |
---|---|
date | Thu Jul 10 00:32:08 2014 +0200 (2014-07-10) |
parents | 9fdfb27f8e67 |
children |
rev | line source |
---|---|
jbe/bsw@0 | 1 --[[-- |
jbe/bsw@0 | 2 param.restore() |
jbe/bsw@0 | 3 |
jbe/bsw@0 | 4 Calling this function reverts the changes of param.exchange(...). It should not be called explicitly, but is used implicitly, if you pass an 'id' or 'params' option to execute.view{...} or execute.action{...}. |
jbe/bsw@0 | 5 |
jbe/bsw@0 | 6 --]]-- |
jbe/bsw@0 | 7 |
jbe/bsw@0 | 8 function param.restore() |
jbe/bsw@0 | 9 local saved = param._saved |
jbe/bsw@0 | 10 local previous = saved[#saved] |
jbe/bsw@0 | 11 saved[#saved] = nil |
jbe/bsw@0 | 12 if previous == nil then |
jbe/bsw@0 | 13 error("Tried to restore id and params without having exchanged it before.") |
jbe/bsw@0 | 14 end |
jbe/bsw@0 | 15 param._exchanged = previous |
jbe/bsw@0 | 16 end |