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|
(ns lux.compiler.jvm.rt
(:require (clojure [string :as string]
[set :as set]
[template :refer [do-template]])
clojure.core.match
clojure.core.match.array
(lux [base :as & :refer [|do return* return |let |case]]
[type :as &type]
[lexer :as &lexer]
[parser :as &parser]
[analyser :as &analyser]
[optimizer :as &o]
[host :as &host])
[lux.type.host :as &host-type]
[lux.host.generics :as &host-generics]
[lux.analyser.base :as &a]
[lux.compiler.jvm.base :as &&])
(:import (org.objectweb.asm Opcodes
Label
ClassWriter
MethodVisitor
AnnotationVisitor)))
(def ^:const ^String runtime-class
&&/lux-utils-class)
(def ^:const ^String function-class
&&/function-class)
;; [Utils]
(def init-method "<init>")
;; [Resources]
;; Functions
;; NOT BEING USED ANYMORE...
;; But keeping it here just in case...
(def compile-Function-class
(|do [_ (return nil)
:let [super-class "java/lang/Object"
=class (doto (new ClassWriter ClassWriter/COMPUTE_MAXS)
(.visit &host/bytecode-version (+ Opcodes/ACC_PUBLIC Opcodes/ACC_SUPER
Opcodes/ACC_ABSTRACT
;; Opcodes/ACC_INTERFACE
)
&&/function-class nil super-class (into-array String []))
(-> (.visitField (+ Opcodes/ACC_PUBLIC Opcodes/ACC_FINAL) &&/partials-field "I" nil nil)
(doto (.visitEnd))))
=init-method (doto (.visitMethod =class Opcodes/ACC_PUBLIC init-method "(I)V" nil nil)
(.visitCode)
(.visitVarInsn Opcodes/ALOAD 0)
(.visitMethodInsn Opcodes/INVOKESPECIAL super-class init-method "()V")
(.visitVarInsn Opcodes/ALOAD 0)
(.visitVarInsn Opcodes/ILOAD 1)
(.visitFieldInsn Opcodes/PUTFIELD &&/function-class &&/partials-field "I")
(.visitInsn Opcodes/RETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (dotimes [arity* &&/num-apply-variants]
(let [arity (inc arity*)]
(if (= 1 arity)
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_ABSTRACT) &&/apply-method (&&/apply-signature arity) nil nil)
(.visitEnd))
(doto (.visitMethod =class Opcodes/ACC_PUBLIC &&/apply-method (&&/apply-signature arity) nil nil)
(.visitCode)
(-> (.visitVarInsn Opcodes/ALOAD idx)
(->> (dotimes [idx arity])))
(.visitMethodInsn Opcodes/INVOKEVIRTUAL &&/function-class &&/apply-method (&&/apply-signature (dec arity)))
(.visitTypeInsn Opcodes/CHECKCAST &&/function-class)
(.visitVarInsn Opcodes/ALOAD arity)
(.visitMethodInsn Opcodes/INVOKEVIRTUAL &&/function-class &&/apply-method (&&/apply-signature 1))
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd)))))]]
(&&/save-class! (-> &&/function-class (string/split #"/") (nth 2))
(.toByteArray (doto =class .visitEnd)))))
(defmacro <bytecode> [& instructions]
`(fn [^MethodVisitor writer#]
(doto writer#
~@instructions)))
;; Runtime infrastructure
(defn ^:private compile-Runtime-adt-methods [^ClassWriter =class]
(|let [lefts #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ILOAD 1))
tuple-size #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ALOAD 0)
(.visitInsn Opcodes/ARRAYLENGTH))
last-right #(doto ^MethodVisitor %
tuple-size
(.visitLdcInsn (int 1))
(.visitInsn Opcodes/ISUB))
sub-lefts #(doto ^MethodVisitor %
lefts
last-right
(.visitInsn Opcodes/ISUB))
sub-tuple #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ALOAD 0)
last-right
(.visitInsn Opcodes/AALOAD)
(.visitTypeInsn Opcodes/CHECKCAST "[Ljava/lang/Object;"))
recurI (fn [$begin]
#(doto ^MethodVisitor %
sub-lefts (.visitVarInsn Opcodes/ISTORE 1)
sub-tuple (.visitVarInsn Opcodes/ASTORE 0)
(.visitJumpInsn Opcodes/GOTO $begin)))
_ (let [$begin (new Label)
$recursive (new Label)
left-index lefts
left-access #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ALOAD 0)
left-index
(.visitInsn Opcodes/AALOAD))]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "tuple_left" "([Ljava/lang/Object;I)Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLabel $begin)
lefts last-right (.visitJumpInsn Opcodes/IF_ICMPGE $recursive)
left-access
(.visitInsn Opcodes/ARETURN)
(.visitLabel $recursive)
((recurI $begin))
(.visitMaxs 0 0)
(.visitEnd)))
_ (let [$begin (new Label)
$not-last (new Label)
$must-copy (new Label)
right-index #(doto ^MethodVisitor %
lefts
(.visitLdcInsn (int 1))
(.visitInsn Opcodes/IADD))
right-access #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ALOAD 0)
(.visitInsn Opcodes/SWAP)
(.visitInsn Opcodes/AALOAD))
sub-right #(doto ^MethodVisitor %
(.visitVarInsn Opcodes/ALOAD 0)
right-index
tuple-size
(.visitMethodInsn Opcodes/INVOKESTATIC "java/util/Arrays" "copyOfRange" "([Ljava/lang/Object;II)[Ljava/lang/Object;"))]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "tuple_right" "([Ljava/lang/Object;I)Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLabel $begin)
last-right right-index
(.visitInsn Opcodes/DUP2) (.visitJumpInsn Opcodes/IF_ICMPNE $not-last)
right-access
(.visitInsn Opcodes/ARETURN)
(.visitLabel $not-last)
(.visitJumpInsn Opcodes/IF_ICMPGT $must-copy)
;; Must recurse
((recurI $begin))
(.visitLabel $must-copy)
sub-right
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd)))
_ (let [$loop (new Label)
$perfect-match! (new Label)
$lefts-match! (new Label)
$maybe-nested (new Label)
$mismatch! (new Label)
!variant (<bytecode> (.visitVarInsn Opcodes/ALOAD 0))
!lefts (<bytecode> (.visitVarInsn Opcodes/ILOAD 1))
!right? (<bytecode> (.visitVarInsn Opcodes/ALOAD 2))
<>lefts (<bytecode> (.visitLdcInsn (int 0))
(.visitInsn Opcodes/AALOAD)
&&/unwrap-int)
<>right? (<bytecode> (.visitLdcInsn (int 1))
(.visitInsn Opcodes/AALOAD))
<>value (<bytecode> (.visitLdcInsn (int 2))
(.visitInsn Opcodes/AALOAD))
not-found (<bytecode> (.visitInsn Opcodes/ACONST_NULL))
super-nested-lefts (<bytecode> (.visitInsn Opcodes/SWAP)
(.visitInsn Opcodes/ISUB)
(.visitLdcInsn (int 1))
(.visitInsn Opcodes/ISUB))
super-nested (<bytecode> super-nested-lefts ;; super-lefts
!variant <>right? ;; super-lefts, super-right?
!variant <>value ;; super-lefts, super-right?, super-value
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "sum_make" "(ILjava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;"))
update-!variant (<bytecode> !variant <>value
(.visitTypeInsn Opcodes/CHECKCAST "[Ljava/lang/Object;")
(.visitVarInsn Opcodes/ASTORE 0))
update-!lefts (<bytecode> (.visitInsn Opcodes/ISUB)
(.visitLdcInsn (int 1))
(.visitInsn Opcodes/ISUB))
iterate! (fn [^Label $loop]
(<bytecode> update-!variant
update-!lefts
(.visitJumpInsn Opcodes/GOTO $loop)))]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "sum_get" "([Ljava/lang/Object;ILjava/lang/Object;)Ljava/lang/Object;" nil nil)
(.visitCode)
!lefts ;; lefts
(.visitLabel $loop)
!variant <>lefts ;; lefts, variant::lefts
(.visitInsn Opcodes/DUP2) (.visitJumpInsn Opcodes/IF_ICMPEQ $lefts-match!) ;; lefts, variant::lefts
(.visitInsn Opcodes/DUP2) (.visitJumpInsn Opcodes/IF_ICMPGT $maybe-nested) ;; lefts, variant::lefts
!right? (.visitJumpInsn Opcodes/IFNULL $mismatch!) ;; lefts, variant::lefts
super-nested ;; super-variant
(.visitInsn Opcodes/ARETURN)
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;; $lefts-match! ;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;
(.visitLabel $lefts-match!) ;; lefts, variant::lefts
!right? ;; lefts, variant::lefts, right?
!variant <>right? ;; lefts, variant::lefts, right?, variant::right?
(.visitJumpInsn Opcodes/IF_ACMPEQ $perfect-match!)
;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;; $mismatch! ;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;
(.visitLabel $mismatch!) ;; lefts, variant::lefts
;; (.visitInsn Opcodes/POP2)
not-found
(.visitInsn Opcodes/ARETURN)
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;; $maybe-nested ;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;
(.visitLabel $maybe-nested) ;; lefts, variant::lefts
!variant <>right? ;; lefts, variant::lefts, variant::right?
(.visitJumpInsn Opcodes/IFNULL $mismatch!) ;; lefts, variant::lefts
((iterate! $loop))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;; $perfect-match! ;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(.visitLabel $perfect-match!) ;; lefts, variant::lefts
;; (.visitInsn Opcodes/POP2) ;;
!variant <>value
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd)))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "sum_make" "(ILjava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLdcInsn (int 3))
(.visitTypeInsn Opcodes/ANEWARRAY "java/lang/Object")
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 0))
(.visitVarInsn Opcodes/ILOAD 0)
(&&/wrap-int)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 1))
(.visitVarInsn Opcodes/ALOAD 1)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 2))
(.visitVarInsn Opcodes/ALOAD 2)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))]
nil))
(defn ^:private swap2x1 [^MethodVisitor =method]
(doto =method
;; X1, Y2
(.visitInsn Opcodes/DUP2_X1) ;; Y2, X1, Y2
(.visitInsn Opcodes/POP2) ;; Y2, X1
))
(do-template [<name> <method> <class> <parse-method> <signature> <wrapper>]
(defn <name> [^ClassWriter =class]
(do (let [$from (new Label)
$to (new Label)
$handler (new Label)]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) <method> "(Ljava/lang/String;)[Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitTryCatchBlock $from $to $handler "java/lang/Exception")
(.visitLabel $from)
(.visitVarInsn Opcodes/ALOAD 0)
(.visitMethodInsn Opcodes/INVOKESTATIC <class> <parse-method> <signature>)
<wrapper>
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "make_some" "(Ljava/lang/Object;)[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitLabel $to)
(.visitLabel $handler)
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "make_none" "()[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd)))
nil))
^:private compile-Runtime-frac-methods "decode_frac" "java/lang/Double" "parseDouble" "(Ljava/lang/String;)D" &&/wrap-double
)
(defn peekI [^MethodVisitor writer]
(doto writer
(.visitLdcInsn (int 0))
(.visitInsn Opcodes/AALOAD)))
(defn popI [^MethodVisitor writer]
(doto writer
(.visitLdcInsn (int 1))
(.visitInsn Opcodes/AALOAD)
(.visitTypeInsn Opcodes/CHECKCAST "[Ljava/lang/Object;")))
(defn ^:private compile-Runtime-pm-methods [^ClassWriter =class]
(|let [_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "pm_fail" "()V" nil nil)
(.visitCode)
(.visitTypeInsn Opcodes/NEW "java/lang/IllegalStateException")
(.visitInsn Opcodes/DUP)
(.visitLdcInsn "Invalid expression for pattern-matching.")
(.visitMethodInsn Opcodes/INVOKESPECIAL "java/lang/IllegalStateException" "<init>" "(Ljava/lang/String;)V")
(.visitInsn Opcodes/ATHROW)
(.visitMaxs 0 0)
(.visitEnd))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "pm_stack_push" "([Ljava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLdcInsn (int 2))
(.visitTypeInsn Opcodes/ANEWARRAY "java/lang/Object")
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 1))
(.visitVarInsn Opcodes/ALOAD 0)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/DUP)
(.visitLdcInsn (int 0))
(.visitVarInsn Opcodes/ALOAD 1)
(.visitInsn Opcodes/AASTORE)
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))]
nil))
(def compile-Runtime-class
(|do [_ (return nil)
:let [full-name &&/lux-utils-class
super-class (&host-generics/->bytecode-class-name "java.lang.Object")
tag-sig (&host-generics/->type-signature "java.lang.String")
=class (doto (new ClassWriter ClassWriter/COMPUTE_MAXS)
(.visit &host/bytecode-version (+ Opcodes/ACC_PUBLIC Opcodes/ACC_FINAL Opcodes/ACC_SUPER)
full-name nil super-class (into-array String [])))
=unit-tag (doto (.visitField =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) &&/unit-tag-field tag-sig nil &/unit-tag)
(.visitEnd))
=init-method (doto (.visitMethod =class Opcodes/ACC_PRIVATE init-method "()V" nil nil)
(.visitCode)
(.visitVarInsn Opcodes/ALOAD 0)
(.visitMethodInsn Opcodes/INVOKESPECIAL super-class init-method "()V")
(.visitInsn Opcodes/RETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "log" "(Ljava/lang/Object;)Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitFieldInsn Opcodes/GETSTATIC "java/lang/System" "out" "Ljava/io/PrintStream;")
(.visitLdcInsn "LOG: ")
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/io/PrintStream" "print" "(Ljava/lang/Object;)V")
(.visitFieldInsn Opcodes/GETSTATIC "java/lang/System" "out" "Ljava/io/PrintStream;")
(.visitVarInsn Opcodes/ALOAD 0)
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/io/PrintStream" "println" "(Ljava/lang/Object;)V")
(.visitVarInsn Opcodes/ALOAD 0)
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "make_none" "()[Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLdcInsn (->> #'&/$None meta ::&/lefts int)) ;; I
(.visitInsn Opcodes/ACONST_NULL) ;; I?
(.visitLdcInsn &/unit-tag) ;; I?U
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "sum_make" "(ILjava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "make_some" "(Ljava/lang/Object;)[Ljava/lang/Object;" nil nil)
(.visitCode)
(.visitLdcInsn (->> #'&/$Some meta ::&/lefts int)) ;; I
(.visitLdcInsn "") ;; I?
(.visitVarInsn Opcodes/ALOAD 0) ;; I?O
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "sum_make" "(ILjava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "clean_separators" "(Ljava/lang/String;)Ljava/lang/String;" nil nil)
(.visitCode)
(.visitVarInsn Opcodes/ALOAD 0)
(.visitLdcInsn "_")
(.visitLdcInsn "")
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "replaceAll" "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;")
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd))
_ (let [$from (new Label)
$to (new Label)
$handler (new Label)
make-string-writerI (fn [^MethodVisitor _method_]
(doto _method_
(.visitTypeInsn Opcodes/NEW "java/io/StringWriter")
(.visitInsn Opcodes/DUP)
(.visitMethodInsn Opcodes/INVOKESPECIAL "java/io/StringWriter" "<init>" "()V")))
make-print-writerI (fn [^MethodVisitor _method_]
(doto _method_
;; W
(.visitTypeInsn Opcodes/NEW "java/io/PrintWriter") ;; WP
(.visitInsn Opcodes/SWAP) ;; PW
(.visitInsn Opcodes/DUP2) ;; PWPW
(.visitInsn Opcodes/POP) ;; PWP
(.visitInsn Opcodes/SWAP) ;; PPW
(.visitLdcInsn true) ;; PPW?
(.visitMethodInsn Opcodes/INVOKESPECIAL "java/io/PrintWriter" "<init>" "(Ljava/io/Writer;Z)V")
;; P
))]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "runTry" (str "(L" function-class ";)[Ljava/lang/Object;") nil nil)
(.visitCode)
(.visitTryCatchBlock $from $to $handler "java/lang/Throwable")
(.visitLabel $from)
(.visitVarInsn Opcodes/ALOAD 0)
(.visitInsn Opcodes/ACONST_NULL)
(.visitMethodInsn Opcodes/INVOKEVIRTUAL function-class &&/apply-method (&&/apply-signature 1))
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "make_some" "(Ljava/lang/Object;)[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitLabel $to)
(.visitLabel $handler) ;; T
make-string-writerI ;; TW
(.visitInsn Opcodes/DUP2) ;; TWTW
make-print-writerI ;; TWTP
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/Throwable" "printStackTrace" "(Ljava/io/PrintWriter;)V") ;; TW
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/io/StringWriter" "toString" "()Ljava/lang/String;") ;; TS
(.visitInsn Opcodes/SWAP) (.visitInsn Opcodes/POP) ;; S
(.visitLdcInsn (->> #'&/$Left meta ::&/lefts int)) ;; SI
(.visitInsn Opcodes/ACONST_NULL) ;; SI?
swap2x1 ;; I?S
(.visitMethodInsn Opcodes/INVOKESTATIC runtime-class "sum_make" "(ILjava/lang/Object;Ljava/lang/Object;)[Ljava/lang/Object;")
(.visitInsn Opcodes/ARETURN)
(.visitMaxs 0 0)
(.visitEnd)))
_ (doto =class
(compile-Runtime-pm-methods)
(compile-Runtime-adt-methods)
(compile-Runtime-frac-methods))]]
(&&/save-class! (-> &&/lux-utils-class (string/split #"/") (nth 2))
(.toByteArray (doto =class .visitEnd)))))
|
