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Fix crash in microcontroller (#439)

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Add check nil var with bug from crash server.
fixes #438
This commit is contained in:
ne-vlezay80 2018-11-06 11:48:44 +03:00 committed by sfan5
parent 45bbd9f7e3
commit df4e880d8b
1 changed files with 3 additions and 0 deletions
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3
mesecons_microcontroller/init.lua
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@ -571,6 +571,7 @@ yc.command_parsecondition = function(cond, L, eeprom)
if cond:sub(i+1, i+1) == nil then break end
if s == "&" then
if a==nil then return nil end
if b==nil then return nil end
local buf = ((a==1) and (b==1))
if buf == true then buf = "1" end
if buf == false then buf = "0" end
@ -580,6 +581,7 @@ yc.command_parsecondition = function(cond, L, eeprom)
end
if s == "|" then
if a==nil then return nil end
if b==nil then return nil end
local buf = ((a == 1) or (b == 1))
if buf == true then buf = "1" end
if buf == false then buf = "0" end
@ -589,6 +591,7 @@ yc.command_parsecondition = function(cond, L, eeprom)
end
if s == "~" then
if a==nil then return nil end
if b==nil then return nil end
local buf = (((a == 1) or (b == 1)) and not((a==1) and (b==1)))
if buf == true then buf = "1" end
if buf == false then buf = "0" end