hello.cljs

(ns hello
	(:require-macros
		[macros :as macros]
	)
)
; ...
(macros/indexMatrix 4 4 i x y (+ (fieldGet x y) i))
; ...

macros.clj

(ns macros)

(defmacro indexMatrix
	[width height i x y body]
	`(let [length# (* ~width ~height)]
		(doseq [i# (range length#)]
			(let [~i i#
				  ~x (rem i# ~width)
				  ~y (quot i# ~width)
				 ]
				
			)
			(do ~@body)
		)
	)
)