RE: LuaJIT2.1-alpha question
- From: "Maynard, Ed" <Ed.Maynard@xxxxxxxxxxxxxxxx>
- To: "luajit@xxxxxxxxxxxxx" <luajit@xxxxxxxxxxxxx>
- Date: Fri, 10 Oct 2014 18:35:56 +0000
The 2.0.3 version complains about the redefinition as well. Bad memory on my
part. This is the output from 2.1 alpha:
Lua file:
ffi = require("ffi")
local defs = require("mapcdefs") -- this has the cdef statement in it
local hdr = ffi.new("C_mapping_header_t", {})
LuaJIT output:
luajit2.1->dofile("process_mapping.lua")
.\mapcdefs.lua:95: attempt to redefine 'mapping_header_t' at line 8
stack traceback:
[C]: in function 'cdef'
.\mapcdefs.lua:95: in main chunk
[C]: in function 'require'
process_mapping.lua:5: in main chunk
[C]: in function 'dofile'
stdin:1: in main chunk
[C]: at 0x00862190
-----Original Message-----
From: luajit-bounce@xxxxxxxxxxxxx [mailto:luajit-bounce@xxxxxxxxxxxxx] On
Behalf Of Geoff Leyland
Sent: Thursday, October 9, 2014 5:29 PM
To: luajit@xxxxxxxxxxxxx
Subject: Re: LuaJIT2.1-alpha question
On 10/10/2014, at 12:18 pm, Maynard, Ed <Ed.Maynard@xxxxxxxxxxxxxxxx> wrote:
> In the meantime, it appears that this is a well-known issue (redefinition of
> C structures) without a built-in solution other than creating a new instance
> of Lua (akin to exit and restart). It also appears that there is no ready way
> to evaluate whether a variable has been declared or not - no table to look
> through.
Can you just stick the cdefs into a separate file and require it? If C
structure definitions are being remembered, surely package.loaded is being
remembered as well?
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