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(ns lux.compiler.lux
(:require (clojure [string :as string]
[set :as set]
[template :refer [do-template]])
[clojure.core.match :as M :refer [matchv]]
clojure.core.match.array
(lux [base :as & :refer [exec return* return fail fail* |let]]
[type :as &type]
[lexer :as &lexer]
[parser :as &parser]
[analyser :as &analyser]
[host :as &host])
[lux.analyser.base :as &a]
(lux.compiler [base :as &&]
[lambda :as &&lambda])
;; :reload
)
(:import (org.objectweb.asm Opcodes
Label
ClassWriter
MethodVisitor)))
;; [Exports]
(let [+class+ (&host/->class "java.lang.Boolean")
+sig+ (&host/->type-signature "java.lang.Boolean")]
(defn compile-bool [compile *type* ?value]
(exec [*writer* &/get-writer
:let [_ (.visitFieldInsn *writer* Opcodes/GETSTATIC (&host/->class "java.lang.Boolean") (if ?value "TRUE" "FALSE") (&host/->type-signature "java.lang.Boolean"))]]
(return nil))))
(do-template [<name> <class> <sig> <caster>]
(let [+class+ (&host/->class <class>)]
(defn <name> [compile *type* value]
(exec [*writer* &/get-writer
:let [_ (doto *writer*
(.visitTypeInsn Opcodes/NEW +class+)
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (<caster> value))
(.visitMethodInsn Opcodes/INVOKESPECIAL +class+ "<init>" <sig>))]]
(return nil))))
compile-int "java.lang.Long" "(J)V" long
compile-real "java.lang.Double" "(D)V" double
compile-char "java.lang.Character" "(C)V" char
)
(defn compile-text [compile *type* ?value]
(exec [*writer* &/get-writer
:let [_ (.visitLdcInsn *writer* ?value)]]
(return nil)))
(defn compile-tuple [compile *type* ?elems]
(exec [*writer* &/get-writer
:let [num-elems (&/|length ?elems)
_ (doto *writer*
(.visitLdcInsn (int num-elems))
(.visitTypeInsn Opcodes/ANEWARRAY (&host/->class "java.lang.Object")))]
_ (&/map% (fn [idx+elem]
(|let [[idx elem] idx+elem]
(exec [:let [_ (doto *writer*
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int idx)))]
ret (compile elem)
:let [_ (.visitInsn *writer* Opcodes/AASTORE)]]
(return ret))))
(&/zip2 (&/|range num-elems) ?elems))]
(return nil)))
(defn compile-record [compile *type* ?elems]
(exec [*writer* &/get-writer
:let [num-elems (&/|length ?elems)
_ (doto *writer*
(.visitLdcInsn (int (* 2 num-elems)))
(.visitTypeInsn Opcodes/ANEWARRAY (&host/->class "java.lang.Object")))]
_ (&/map% (fn [idx+kv]
(|let [[idx [k v]] idx+kv]
(exec [:let [idx* (* 2 idx)
_ (doto *writer*
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int idx*))
(.visitLdcInsn k)
(.visitInsn Opcodes/AASTORE))]
:let [_ (doto *writer*
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int (inc idx*))))]
ret (compile v)
:let [_ (.visitInsn *writer* Opcodes/AASTORE)]]
(return ret))))
(&/zip2 (&/|range num-elems) ?elems))]
(return nil)))
(defn compile-variant [compile *type* ?tag ?value]
(exec [*writer* &/get-writer
:let [_ (doto *writer*
(.visitLdcInsn (int 2))
(.visitTypeInsn Opcodes/ANEWARRAY (&host/->class "java.lang.Object"))
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 0))
(.visitLdcInsn ?tag)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 1)))]
_ (compile ?value)
:let [_ (.visitInsn *writer* Opcodes/AASTORE)]]
(return nil)))
(defn compile-local [compile *type* ?idx]
(exec [*writer* &/get-writer
:let [_ (.visitVarInsn *writer* Opcodes/ALOAD (int ?idx))]]
(return nil)))
(defn compile-captured [compile *type* ?scope ?captured-id ?source]
;; (prn 'compile-captured ?scope ?captured-id)
(exec [*writer* &/get-writer
:let [_ (doto *writer*
(.visitVarInsn Opcodes/ALOAD 0)
(.visitFieldInsn Opcodes/GETFIELD
(&host/location ?scope)
(str &&/closure-prefix ?captured-id)
"Ljava/lang/Object;"))]]
(return nil)))
(defn compile-global [compile *type* ?owner-class ?name]
(exec [*writer* &/get-writer
:let [_ (.visitFieldInsn *writer* Opcodes/GETSTATIC (&host/->class (&host/location (&/|list ?owner-class ?name))) "_datum" "Ljava/lang/Object;")]]
(return nil)))
(defn compile-apply [compile *type* ?fn ?arg]
(exec [*writer* &/get-writer
_ (compile ?fn)
_ (compile ?arg)
:let [_ (.visitMethodInsn *writer* Opcodes/INVOKEINTERFACE (&host/->class &host/function-class) "apply" &&/apply-signature)]]
(return nil)))
(defn compile-def [compile ?name ?body]
(exec [*writer* &/get-writer
module-name &/get-module-name
:let [outer-class (&host/->class module-name)
datum-sig (&host/->type-signature "java.lang.Object")
current-class (&host/location (&/|list outer-class ?name))
_ (.visitInnerClass *writer* current-class outer-class nil (+ Opcodes/ACC_STATIC Opcodes/ACC_SYNTHETIC))
=class (doto (new ClassWriter ClassWriter/COMPUTE_MAXS)
(.visit Opcodes/V1_5 (+ Opcodes/ACC_PUBLIC Opcodes/ACC_FINAL Opcodes/ACC_SUPER)
current-class nil "java/lang/Object" (into-array [(&host/->class &host/function-class)]))
(-> (.visitField (+ Opcodes/ACC_PUBLIC Opcodes/ACC_FINAL Opcodes/ACC_STATIC) "_datum" datum-sig nil nil)
(doto (.visitEnd))))]
;; :let [_ (prn 'compile-def/pre-body)]
_ (&/with-writer (.visitMethod =class Opcodes/ACC_PUBLIC "<clinit>" "()V" nil nil)
(exec [*writer* &/get-writer
:let [_ (.visitCode *writer*)]
;; :let [_ (prn 'compile-def/pre-body2)]
_ (compile ?body)
;; :let [_ (prn 'compile-def/post-body2)]
:let [_ (doto *writer*
(.visitFieldInsn Opcodes/PUTSTATIC current-class "_datum" datum-sig)
(.visitInsn Opcodes/RETURN)
(.visitMaxs 0 0)
(.visitEnd))]]
(return nil)))
;; :let [_ (prn 'compile-def/post-body)]
:let [_ (.visitEnd *writer*)]
;; :let [_ (prn 'compile-def/_1 ?name current-class)]
_ (&&/save-class! current-class (.toByteArray =class))
;; :let [_ (prn 'compile-def/_2 ?name)]
]
(return nil)))
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