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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

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