Loading a function locally?

[Ussyless]

ok, here's my problem
i have a folder containing lua files for all my different items
for example:

base_weapon.lua
base_somethingelse.lua
w_rock.lua
w_log.lua

These contain the information for sweps, and the inventory item in them, in tables

w_rock.lua might look something like this

SWEP={
primarydelay=something,
secondarydelay=something,
pdelaytimer=0,
sdelaytimer=0,
viewmodel="something",
Think= function()
if self.pdelaytimer<=0 then
self.primaryattack()
self.pdelaytimer=self.primarydelay
end,
primaryattack= function()
end
}
thats just an example, function names would be correct to match with the ones in a swep, and would have to play around with the self.variablenames etc to get it to work but thats not the problem atm

anyway it would be loaded into a swep something like this
function SWEP:Initialize()
for k,v in pairs(items[2].SWEP) do
self[k]=v
end
end << the variables load fine, but the functions are loaded to be called from the original script

The problem is, the functions are being treated as if it's still inside of the original item file (EG w_rock.lua) and not inside of the SWEP, meaning it cant use the variables inside of the SWEP, or inside of the original file for that matter because it is structured to be like it would be once it is inside of the swep

my question is
how can i set a function A to function B, and not just set function A to the address of function B, meaning function B is being called inside of another script

i realise this is the way LUA is meant to work, i was just hoping there would be a method to get it working the way i want it to

thanks