Geterror
From OpenEUO
Calling Convention
Call
local e = sl.geterror(eref)
Args
eref is a number
Results
e is a table with key:val pair _type:'table:exception' defined
Usage Example
local sl = dofile(getinstalldir()..'/lib/simplelib.lua')
sl.slredirect('in')
local f = function() local a = {} a = a + 1 end
local h = function(eref)
local le = eref
if type(le) == 'string' then
error(le,1)
end
end
local c,d = sl.try(f,h)
print(tostring(c))
print(tostring(d))
print(tostring(sl.geterror(d)._errmsg))
--> nil
1
a try() handler function raised an unknown exception.
At: ...\scripts\test00.lua:11.
Exception text: ...\scripts\test00.lua:7: attempt to perform arithmetic on local 'a' (a table value).
Description
geterror returns the recorded error table of a detected error when given a valid numeric error reference, eref. An error table has the following fields:
field : description _type 'table:exception' _errid Same as the argument provided to geterror. Numeric. _errname Name provided for the error, or 'SL unknown error'. _errmsg String of descriptive text associated with the error. _probe A table of stack information tables for internal use.
Upon Error
If geterror receives no arguments, or a non-numeric argument, or the argument is out of range, then it returns a single nil value.
