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|
(ns lux.compiler
(:refer-clojure :exclude [compile])
(:require (clojure [string :as string]
[set :as set]
[template :refer [do-template]])
[clojure.core.match :refer [match]]
(lux [base :as & :refer [exec return* return fail fail*
repeat-m exhaust-m try-m try-all-m map-m mapcat-m reduce-m
apply-m
normalize-ident]]
[type :as &type]
[lexer :as &lexer]
[parser :as &parser]
[analyser :as &analyser]
[host :as &host])
[lux.analyser.base :as &a]
(lux.compiler [base :as &&]
[lux :as &&lux]
[host :as &&host]
[case :as &&case]
[lambda :as &&lambda])
:reload)
(:import (org.objectweb.asm Opcodes
Label
ClassWriter
MethodVisitor)))
;; [Utils/Compilers]
(defn ^:private compile-expression [syntax]
(prn 'compile-expression syntax)
(match syntax
[::&a/Expression ?form ?type]
(match ?form
[::&a/bool ?value]
(&&lux/compile-bool compile-expression ?type ?value)
[::&a/int ?value]
(&&lux/compile-int compile-expression ?type ?value)
[::&a/real ?value]
(&&lux/compile-real compile-expression ?type ?value)
[::&a/char ?value]
(&&lux/compile-char compile-expression ?type ?value)
[::&a/text ?value]
(&&lux/compile-text compile-expression ?type ?value)
[::&a/tuple ?elems]
(&&lux/compile-tuple compile-expression ?type ?elems)
[::&a/local ?idx]
(&&lux/compile-local compile-expression ?type ?idx)
[::&a/captured ?scope ?captured-id ?source]
(&&lux/compile-captured compile-expression ?type ?scope ?captured-id ?source)
[::&a/global ?owner-class ?name]
(&&lux/compile-global compile-expression ?type ?owner-class ?name)
[::&a/call ?fn ?args]
(&&lux/compile-call compile-expression ?type ?fn ?args)
[::&a/static-call ?needs-num ?fn ?args]
(&&lux/compile-static-call compile-expression ?type ?needs-num ?fn ?args)
[::&a/variant ?tag ?members]
(&&lux/compile-variant compile-expression ?type ?tag ?members)
[::&a/case ?variant ?base-register ?num-registers ?branches]
(&&case/compile-case compile-expression ?type ?variant ?base-register ?num-registers ?branches)
[::&a/lambda ?scope ?frame ?args ?body]
(&&lambda/compile-lambda compile-expression ?type ?scope ?frame ?args ?body false true)
[::&a/self ?assumed-args]
(&&lux/compile-self-call compile-expression ?assumed-args)
;; Integer arithmetic
[::&a/jvm-iadd ?x ?y]
(&&host/compile-jvm-iadd compile-expression ?type ?x ?y)
[::&a/jvm-isub ?x ?y]
(&&host/compile-jvm-isub compile-expression ?type ?x ?y)
[::&a/jvm-imul ?x ?y]
(&&host/compile-jvm-imul compile-expression ?type ?x ?y)
[::&a/jvm-idiv ?x ?y]
(&&host/compile-jvm-idiv compile-expression ?type ?x ?y)
[::&a/jvm-irem ?x ?y]
(&&host/compile-jvm-irem compile-expression ?type ?x ?y)
;; Long arithmetic
[::&a/jvm-ladd ?x ?y]
(&&host/compile-jvm-ladd compile-expression ?type ?x ?y)
[::&a/jvm-lsub ?x ?y]
(&&host/compile-jvm-lsub compile-expression ?type ?x ?y)
[::&a/jvm-lmul ?x ?y]
(&&host/compile-jvm-lmul compile-expression ?type ?x ?y)
[::&a/jvm-ldiv ?x ?y]
(&&host/compile-jvm-ldiv compile-expression ?type ?x ?y)
[::&a/jvm-lrem ?x ?y]
(&&host/compile-jvm-lrem compile-expression ?type ?x ?y)
;; Float arithmetic
[::&a/jvm-fadd ?x ?y]
(&&host/compile-jvm-fadd compile-expression ?type ?x ?y)
[::&a/jvm-fsub ?x ?y]
(&&host/compile-jvm-fsub compile-expression ?type ?x ?y)
[::&a/jvm-fmul ?x ?y]
(&&host/compile-jvm-fmul compile-expression ?type ?x ?y)
[::&a/jvm-fdiv ?x ?y]
(&&host/compile-jvm-fdiv compile-expression ?type ?x ?y)
[::&a/jvm-frem ?x ?y]
(&&host/compile-jvm-frem compile-expression ?type ?x ?y)
;; Double arithmetic
[::&a/jvm-dadd ?x ?y]
(&&host/compile-jvm-dadd compile-expression ?type ?x ?y)
[::&a/jvm-dsub ?x ?y]
(&&host/compile-jvm-dsub compile-expression ?type ?x ?y)
[::&a/jvm-dmul ?x ?y]
(&&host/compile-jvm-dmul compile-expression ?type ?x ?y)
[::&a/jvm-ddiv ?x ?y]
(&&host/compile-jvm-ddiv compile-expression ?type ?x ?y)
[::&a/jvm-drem ?x ?y]
(&&host/compile-jvm-drem compile-expression ?type ?x ?y)
[::&a/exec ?exprs]
(&&host/compile-exec compile-expression ?type ?exprs)
[::&a/jvm-new ?class ?classes ?args]
(&&host/compile-jvm-new compile-expression ?type ?class ?classes ?args)
[::&a/jvm-getstatic ?class ?field]
(&&host/compile-jvm-getstatic compile-expression ?type ?class ?field)
[::&a/jvm-getfield ?class ?field ?object]
(&&host/compile-jvm-getfield compile-expression ?type ?class ?field ?object)
[::&a/jvm-invokestatic ?class ?method ?classes ?args]
(&&host/compile-jvm-invokestatic compile-expression ?type ?class ?method ?classes ?args)
[::&a/jvm-invokevirtual ?class ?method ?classes ?object ?args]
(&&host/compile-jvm-invokevirtual compile-expression ?type ?class ?method ?classes ?object ?args)
[::&a/jvm-new-array ?class ?length]
(&&host/compile-jvm-new-array compile-expression ?type ?class ?length)
[::&a/jvm-aastore ?array ?idx ?elem]
(&&host/compile-jvm-aastore compile-expression ?type ?array ?idx ?elem)
[::&a/jvm-aaload ?array ?idx]
(&&host/compile-jvm-aaload compile-expression ?type ?array ?idx))
_
(fail "[Compiler Error] Can't compile statements as expressions.")))
(defn ^:private compile-statement [syntax]
(prn 'compile-statement syntax)
(match syntax
[::&a/Statement ?form]
(match ?form
[::&a/def ?name ?body]
(&&lux/compile-def compile-expression ?name ?body)
[::&a/jvm-interface ?package ?name ?methods]
(&&host/compile-jvm-interface compile-expression ?package ?name ?methods)
[::&a/jvm-class ?package ?name ?super-class ?fields ?methods]
(&&host/compile-jvm-class compile-expression ?package ?name ?super-class ?fields ?methods))
_
(fail "[Compiler Error] Can't compile expressions as top-level forms.")))
(let [compiler-step (exec [analysis+ &analyser/analyse
:let [_ (prn 'analysis+ analysis+)]]
(mapcat-m compile-statement analysis+))]
(defn ^:private compile-module [name]
(fn [state]
(if (-> state ::&/modules (contains? name))
(fail "[Compiler Error] Can't redefine a module!")
(let [=class (doto (new ClassWriter ClassWriter/COMPUTE_MAXS)
(.visit Opcodes/V1_5 (+ Opcodes/ACC_PUBLIC Opcodes/ACC_SUPER)
(&host/->class name) nil "java/lang/Object" nil))]
(match (&/run-state (exhaust-m compiler-step) (assoc state
::&/source (slurp (str "source/" name ".lux"))
::&/global-env (&/env name)
::&/writer =class))
[::&/ok [?state ?vals]]
(do (.visitEnd =class)
(prn 'compile-module/?vals ?vals)
(&/run-state (&&/save-class! name (.toByteArray =class)) ?state))
[::&/failure ?message]
(fail* ?message)))))))
;; [Resources]
(defn compile-all [modules]
(.mkdir (java.io.File. "output"))
(match (&/run-state (map-m compile-module modules) (&/init-state))
[::&/ok [?state _]]
(println (str "Compilation complete! " (pr-str modules)))
[::&/failure ?message]
(assert false ?message)))
(comment
(compile-all ["lux"])
)
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