Partially ports the GLOB system

code/game/objects/items/antag_spawners.dm

@@ -12,7 +12,7 @@
 	sparks.attach(loc)
 
 /obj/item/weapon/antag_spawner/Destroy()
-	qdel_null(sparks)
+	QDEL_NULL(sparks)
 	return ..()
 
 /obj/item/weapon/antag_spawner/proc/spawn_antag(client/C, turf/T)

code/game/objects/items/bodybag.dm

@@ -149,8 +149,8 @@
 	..()
 
 /obj/structure/closet/body_bag/cryobag/Destroy()
-	qdel_null(syringe)
-	qdel_null(tank)
+	QDEL_NULL(syringe)
+	QDEL_NULL(tank)
 	return ..()
 
 /obj/structure/closet/body_bag/cryobag/open()

code/game/objects/items/devices/PDA/PDA.dm

@@ -1473,9 +1473,9 @@ var/global/list/obj/item/device/pda/PDAs = list()
 	if (src.id && prob(90)) //IDs are kept in 90% of the cases
 		src.id.forceMove(get_turf(src.loc))
 	else
-		qdel_null(src.id)
-	qdel_null(src.cartridge)
-	qdel_null(src.pai)
+		QDEL_NULL(src.id)
+	QDEL_NULL(src.cartridge)
+	QDEL_NULL(src.pai)
 	return ..()
 
 /obj/item/device/pda/clown/Crossed(AM as mob|obj) //Clown PDA is slippery.

code/game/objects/items/devices/PDA/cart.dm

@@ -79,7 +79,7 @@ var/list/civilian_cartridges = list(
 	var/list/stored_data = list()
 
 /obj/item/weapon/cartridge/Destroy()
-	qdel_null(radio)
+	QDEL_NULL(radio)
 	return ..()
 
 /obj/item/weapon/cartridge/engineering

code/game/objects/items/devices/communicator/communicator.dm

@@ -298,8 +298,8 @@ var/global/list/obj/item/device/communicator/all_communicators = list()
 	all_communicators -= src
 	processing_objects -= src
 	listening_objects.Remove(src)
-	qdel_null(camera)
-	qdel_null(exonet)
+	QDEL_NULL(camera)
+	QDEL_NULL(exonet)
 
 	return ..()
 

code/game/objects/items/devices/defib.dm

@@ -32,8 +32,8 @@
 
 /obj/item/device/defib_kit/Destroy()
 	. = ..()
-	qdel_null(paddles)
-	qdel_null(bcell)
+	QDEL_NULL(paddles)
+	QDEL_NULL(bcell)
 
 /obj/item/device/defib_kit/loaded //starts with a cell
 	bcell = /obj/item/weapon/cell/apc

code/game/objects/items/devices/paicard.dm

@@ -30,7 +30,7 @@ GLOBAL_LIST_BOILERPLATE(all_pai_cards, /obj/item/device/paicard)
 	//Will stop people throwing friend pAIs into the singularity so they can respawn
 	if(!isnull(pai))
 		pai.death(0)
-	qdel_null(radio)
+	QDEL_NULL(radio)
 	return ..()
 
 /obj/item/device/paicard/attack_self(mob/user)

code/game/objects/items/devices/radio/jammer.dm

@@ -35,7 +35,7 @@ var/global/list/active_radio_jammers = list()
 /obj/item/device/radio_jammer/Destroy()
 	if(on)
 		turn_off()
-	qdel_null(power_source)
+	QDEL_NULL(power_source)
 	return ..()
 
 /obj/item/device/radio_jammer/get_cell()

code/game/objects/items/weapons/flamethrower.dm

@@ -27,9 +27,9 @@
 
 
 /obj/item/weapon/flamethrower/Destroy()
-	qdel_null(weldtool)
-	qdel_null(igniter)
-	qdel_null(ptank)
+	QDEL_NULL(weldtool)
+	QDEL_NULL(igniter)
+	QDEL_NULL(ptank)
 	. = ..()
 
 /obj/item/weapon/flamethrower/process()

code/game/objects/items/weapons/grenades/chem_grenade.dm

@@ -20,8 +20,8 @@
 		create_reagents(1000)
 
 	Destroy()
-		qdel_null(detonator)
-		qdel_null_list(beakers)
+		QDEL_NULL(detonator)
+		QDEL_NULL_LIST(beakers)
 		return ..()
 
 	attack_self(mob/user as mob)

code/game/objects/items/weapons/implants/implantlanguage.dm

@@ -23,7 +23,7 @@
 					V.mechassist()
 				for(var/L in need_amend)
 					V.add_assistable_langs(L)
-		qdel_null(src)
+		QDEL_NULL(src)
 
 /obj/item/weapon/implant/language/get_data()
 	var/dat = {"

code/game/objects/items/weapons/material/gravemarker.dm

@@ -76,5 +76,5 @@
 		G.epitaph = epitaph
 		G.add_fingerprint(usr)
 		G.dir = user.dir
-		qdel_null(src)
+		QDEL_NULL(src)
 	return

code/game/objects/items/weapons/storage/laundry_basket.dm

@@ -65,7 +65,7 @@
 		return ..()
 
 /obj/item/weapon/storage/laundry_basket/dropped(mob/user as mob)
-	qdel_null(linked)
+	QDEL_NULL(linked)
 	return ..()
 
 /obj/item/weapon/storage/laundry_basket/show_to(mob/user as mob)

code/game/objects/items/weapons/storage/storage.dm

@@ -40,14 +40,14 @@
 
 /obj/item/weapon/storage/Destroy()
 	close_all()
-	qdel_null(boxes)
-	qdel_null(src.storage_start)
-	qdel_null(src.storage_continue)
-	qdel_null(src.storage_end)
-	qdel_null(src.stored_start)
-	qdel_null(src.stored_continue)
-	qdel_null(src.stored_end)
-	qdel_null(closer)
+	QDEL_NULL(boxes)
+	QDEL_NULL(src.storage_start)
+	QDEL_NULL(src.storage_continue)
+	QDEL_NULL(src.storage_end)
+	QDEL_NULL(src.stored_start)
+	QDEL_NULL(src.stored_continue)
+	QDEL_NULL(src.stored_end)
+	QDEL_NULL(closer)
 	. = ..()
 
 /obj/item/weapon/storage/MouseDrop(obj/over_object as obj)
@@ -354,7 +354,7 @@
 //such as when picking up all the items on a tile with one click.
 /obj/item/weapon/storage/proc/handle_item_insertion(obj/item/W as obj, prevent_warning = 0)
 	if(!istype(W)) return 0
-	
+
 	if(usr)
 		usr.remove_from_mob(W,target = src) //If given a target, handles forceMove()
 		W.on_enter_storage(src)

code/game/objects/items/weapons/tanks/jetpack.dm

@@ -24,7 +24,7 @@
 	ion_trail.set_up(src)
 
 /obj/item/weapon/tank/jetpack/Destroy()
-	qdel_null(ion_trail)
+	QDEL_NULL(ion_trail)
 	return ..()
 
 /obj/item/weapon/tank/jetpack/examine(mob/user)

code/game/objects/items/weapons/tanks/tanks.dm

@@ -70,10 +70,10 @@ var/list/global/tank_gauge_cache = list()
 	return
 
 /obj/item/weapon/tank/Destroy()
-	qdel_null(air_contents)
+	QDEL_NULL(air_contents)
 
 	processing_objects.Remove(src)
-	qdel_null(src.proxyassembly)
+	QDEL_NULL(src.proxyassembly)
 
 	if(istype(loc, /obj/item/device/transfer_valve))
 		var/obj/item/device/transfer_valve/TTV = loc

code/game/objects/items/weapons/tools/crowbar.dm

@@ -65,7 +65,7 @@
 /obj/item/weapon/tool/crowbar/power/Destroy()
 	if(counterpart)
 		counterpart.counterpart = null // So it can qdel cleanly.
-		qdel_null(counterpart)
+		QDEL_NULL(counterpart)
 	return ..()
 
 /obj/item/weapon/tool/crowbar/power/attack_self(mob/user)

code/game/objects/items/weapons/tools/screwdriver.dm

@@ -113,7 +113,7 @@
 /obj/item/weapon/tool/screwdriver/power/Destroy()
 	if(counterpart)
 		counterpart.counterpart = null // So it can qdel cleanly.
-		qdel_null(counterpart)
+		QDEL_NULL(counterpart)
 	return ..()
 
 /obj/item/weapon/tool/screwdriver/power/attack_self(mob/user)

code/game/objects/items/weapons/tools/wirecutters.dm

@@ -81,7 +81,7 @@
 /obj/item/weapon/tool/wirecutters/power/Destroy()
 	if(counterpart)
 		counterpart.counterpart = null // So it can qdel cleanly.
-		qdel_null(counterpart)
+		QDEL_NULL(counterpart)
 	return ..()
 
 /obj/item/weapon/tool/wirecutters/power/attack_self(mob/user)

code/game/objects/items/weapons/tools/wrench.dm

@@ -59,7 +59,7 @@
 /obj/item/weapon/tool/wrench/power/Destroy()
 	if(counterpart)
 		counterpart.counterpart = null // So it can qdel cleanly.
-		qdel_null(counterpart)
+		QDEL_NULL(counterpart)
 	return ..()
 
 /obj/item/weapon/tool/wrench/power/attack_self(mob/user)