default stack trace function
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- Subject: default stack trace function
- From: Frederico Rodrigues Abraham <devotion97@...>
- Date: 2004年9月29日 10:16:48 -0300
Hi.
I noticed something that seems strange to me when using the error
function with an error level parameter.
Consider the following piece of code:
p3 = function()
error("the error",3)
end
p2 = function()
p3()
end
p1 = function()
p2()
end
luaf = function(d)
print(d)
p1()
return "the result"
end
print(luaf("ha!"))
-- END OF CODE
Running the lua 5 interpreter with this file gives the following stack trace:
lua5: stacktrace.lua:10: the error
stack traceback:
[C]: in function `error'
stacktrace.lua:2: in function `p3'
stacktrace.lua:6: in function `p2'
stacktrace.lua:10: in function `p1'
stacktrace.lua:15: in function `luaf'
stacktrace.lua:19: in main chunk
[C]: ?
The line where the error happened seems correct. (line 10, the call to
p2() in p1 body)
Shouldn't the stack trace omit the lines for error levels 1 and 2?
(line 2 and 6, respectively)
-- Fred