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Clean up macros

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This commit is contained in:
mcgirjau 2020-07-14 00:14:04 -04:00
parent 3f5c2fd8a7
commit 7820d5529b
1 changed files with 18 additions and 14 deletions
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24
src/propeller/push/utils/macros.cljc
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@ -1,13 +1,22 @@
(ns propeller.push.utils.macros
(:require [propeller.push.core :as push]
[propeller.push.state :as state]
[propeller.push.utils.helpers :refer [get-vector-literal-type]]))
;; Defines a Push instruction as a keyword-function pair, and adds it to the
;; instruction table
(defmacro def-instruction
[instruction definition]
`(swap! push/instruction-table assoc '~instruction ~definition))
`(swap! push/instruction-table assoc ~instruction ~definition))
;; Given a generic function, e.g. _dup, and a stack type to instantiate it for,
;; e.g. :char, returns the appropriate stack metadata for that function instance
(defmacro make-metadata
[function stack]
`(->> (:stacks (meta ~function))
(replace {:elem (get-vector-literal-type ~stack)})
(cons ~stack)
set
(assoc-in (meta ~function) [:stacks])))
;; Given a sequence of stacks, e.g. [:float :integer], and a sequence of suffix
;; function strings, e.g. [_add, _mult, _eq], automates the generation of all
@ -17,15 +26,10 @@
;; instructions, the placeholder :elem will be replaced with the stack of the
;; corresponding element type (e.g. for :vector_integer, with :integer)
(defmacro generate-instructions [stacks functions]
`(do ~@(for [stack stacks
`(do
~@(for [stack stacks
func functions
:let [instruction-name (keyword (str (name stack) func))
old-stack-data `(:stacks (meta ~func))
vec-stack-data `(set
(replace
{:elem (get-vector-literal-type ~stack)}
~old-stack-data))
new-stack-data `(conj ~vec-stack-data ~stack)
metadata `(assoc-in (meta ~func) [:stacks] ~new-stack-data)
metadata (make-metadata func stack)
new-func `(with-meta (partial ~func ~stack) ~metadata)]]
`(def-instruction ~instruction-name ~new-func))))