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|
(.module:
[library
[lux (#- Type function)
[abstract
["." monad (#+ do)]
["." enum]]
[control
[pipe (#+ when> new>)]
["." function]]
[data
["." product]
[text
["%" format (#+ format)]]
[collection
["." list ("#@." functor monoid)]]]
[math
[number
["n" nat]
["i" int]]]
[target
[jvm
["." type (#+ Type)
["." category (#+ Void Value Return Primitive Object Class Array Var Parameter Method)]]]]
[tool
[compiler
[arity (#+ Arity)]
["." phase]
[reference
[variable (#+ Register)]]
[language
[lux
[analysis (#+ Environment)]
[synthesis (#+ Synthesis Abstraction Apply)]
["." generation (#+ Context)]]]
[meta
[archive (#+ Archive)]]]]]]
[luxc
[lang
[host
["$" jvm (#+ Label Inst Def Operation Phase Generator)
["." def]
["_" inst]]]]]
["." //
["#." runtime]
["." reference]])
(def: arity_field Text "arity")
(def: poly_arg?
(-> Arity Bit)
(n.> 1))
(def: (captured_args env)
(-> (Environment Synthesis) (List (Type Value)))
(list.repeat (list.size env) //.$Value))
(def: (init_method env arity)
(-> (Environment Synthesis) Arity (Type Method))
(if (poly_arg? arity)
(type.method [(list)
(list.concat (list (captured_args env)
(list type.int)
(list.repeat (dec arity) //.$Value)))
type.void
(list)])
(type.method [(list) (captured_args env) type.void (list)])))
(def: (implementation_method arity)
(type.method [(list) (list.repeat arity //.$Value) //.$Value (list)]))
(def: get_amount_of_partialsI
Inst
(|>> (_.ALOAD 0)
(_.GETFIELD //.$Function //runtime.partials_field type.int)))
(def: (load_fieldI class field)
(-> (Type Class) Text Inst)
(|>> (_.ALOAD 0)
(_.GETFIELD class field //.$Value)))
(def: (inputsI start amount)
(-> Register Nat Inst)
(|> (enum.range n.enum start (n.+ start (dec amount)))
(list@map _.ALOAD)
_.fuse))
(def: (applysI start amount)
(-> Register Nat Inst)
(let [max_args (n.min amount //runtime.num_apply_variants)
later_applysI (if (n.> //runtime.num_apply_variants amount)
(applysI (n.+ //runtime.num_apply_variants start) (n.- //runtime.num_apply_variants amount))
function.identity)]
(|>> (_.CHECKCAST //.$Function)
(inputsI start max_args)
(_.INVOKEVIRTUAL //.$Function //runtime.apply_method (//runtime.apply_signature max_args))
later_applysI)))
(def: (inc_intI by)
(-> Nat Inst)
(|>> (_.int (.int by))
_.IADD))
(def: (nullsI amount)
(-> Nat Inst)
(|> _.NULL
(list.repeat amount)
_.fuse))
(def: (instance generate archive class arity env)
(-> Phase Archive (Type Class) Arity (Environment Synthesis) (Operation Inst))
(do {@ phase.monad}
[captureI+ (monad.map @ (generate archive) env)
#let [argsI (if (poly_arg? arity)
(|> (nullsI (dec arity))
(list (_.int +0))
_.fuse)
function.identity)]]
(wrap (|>> (_.NEW class)
_.DUP
(_.fuse captureI+)
argsI
(_.INVOKESPECIAL class "<init>" (init_method env arity))))))
(def: (reset_method return)
(-> (Type Class) (Type Method))
(type.method [(list) (list) return (list)]))
(def: (with_reset class arity env)
(-> (Type Class) Arity (Environment Synthesis) Def)
(def.method #$.Public $.noneM "reset" (reset_method class)
(if (poly_arg? arity)
(let [env_size (list.size env)
captureI (|> (case env_size
0 (list)
_ (enum.range n.enum 0 (dec env_size)))
(list@map (.function (_ source)
(|>> (_.ALOAD 0)
(_.GETFIELD class (reference.foreign_name source) //.$Value))))
_.fuse)
argsI (|> (nullsI (dec arity))
(list (_.int +0))
_.fuse)]
(|>> (_.NEW class)
_.DUP
captureI
argsI
(_.INVOKESPECIAL class "<init>" (init_method env arity))
_.ARETURN))
(|>> (_.ALOAD 0)
_.ARETURN))))
(def: (with_implementation arity @begin bodyI)
(-> Nat Label Inst Def)
(def.method #$.Public $.strictM "impl" (implementation_method arity)
(|>> (_.label @begin)
bodyI
_.ARETURN)))
(def: function_init_method
(type.method [(list) (list type.int) type.void (list)]))
(def: (function_init arity env_size)
(-> Arity Nat Inst)
(if (n.= 1 arity)
(|>> (_.int +0)
(_.INVOKESPECIAL //.$Function "<init>" function_init_method))
(|>> (_.ILOAD (inc env_size))
(_.INVOKESPECIAL //.$Function "<init>" function_init_method))))
(def: (with_init class env arity)
(-> (Type Class) (Environment Synthesis) Arity Def)
(let [env_size (list.size env)
offset_partial (: (-> Nat Nat)
(|>> inc (n.+ env_size)))
store_capturedI (|> (case env_size
0 (list)
_ (enum.range n.enum 0 (dec env_size)))
(list@map (.function (_ register)
(|>> (_.ALOAD 0)
(_.ALOAD (inc register))
(_.PUTFIELD class (reference.foreign_name register) //.$Value))))
_.fuse)
store_partialI (if (poly_arg? arity)
(|> (enum.range n.enum 0 (n.- 2 arity))
(list@map (.function (_ idx)
(let [register (offset_partial idx)]
(|>> (_.ALOAD 0)
(_.ALOAD (inc register))
(_.PUTFIELD class (reference.partial_name idx) //.$Value)))))
_.fuse)
function.identity)]
(def.method #$.Public $.noneM "<init>" (init_method env arity)
(|>> (_.ALOAD 0)
(function_init arity env_size)
store_capturedI
store_partialI
_.RETURN))))
(def: (with_apply class env function_arity @begin bodyI apply_arity)
(-> (Type Class) (Environment Synthesis) Arity Label Inst Arity
Def)
(let [num_partials (dec function_arity)
@default ($.new_label [])
@labels (list@map $.new_label (list.repeat num_partials []))
over_extent (|> (.int function_arity) (i.- (.int apply_arity)))
casesI (|> (list@compose @labels (list @default))
(list.zipped/2 (enum.range n.enum 0 num_partials))
(list@map (.function (_ [stage @label])
(let [load_partialsI (if (n.> 0 stage)
(|> (enum.range n.enum 0 (dec stage))
(list@map (|>> reference.partial_name (load_fieldI class)))
_.fuse)
function.identity)]
(cond (i.= over_extent (.int stage))
(|>> (_.label @label)
(_.ALOAD 0)
(when> [(new> (n.> 0 stage) [])]
[(_.INVOKEVIRTUAL class "reset" (reset_method class))])
load_partialsI
(inputsI 1 apply_arity)
(_.INVOKEVIRTUAL class "impl" (implementation_method function_arity))
_.ARETURN)
(i.> over_extent (.int stage))
(let [args_to_completion (|> function_arity (n.- stage))
args_left (|> apply_arity (n.- args_to_completion))]
(|>> (_.label @label)
(_.ALOAD 0)
(_.INVOKEVIRTUAL class "reset" (reset_method class))
load_partialsI
(inputsI 1 args_to_completion)
(_.INVOKEVIRTUAL class "impl" (implementation_method function_arity))
(applysI (inc args_to_completion) args_left)
_.ARETURN))
## (i.< over_extent (.int stage))
(let [env_size (list.size env)
load_capturedI (|> (case env_size
0 (list)
_ (enum.range n.enum 0 (dec env_size)))
(list@map (|>> reference.foreign_name (load_fieldI class)))
_.fuse)]
(|>> (_.label @label)
(_.NEW class)
_.DUP
load_capturedI
get_amount_of_partialsI
(inc_intI apply_arity)
load_partialsI
(inputsI 1 apply_arity)
(nullsI (|> num_partials (n.- apply_arity) (n.- stage)))
(_.INVOKESPECIAL class "<init>" (init_method env function_arity))
_.ARETURN))
))))
_.fuse)]
(def.method #$.Public $.noneM //runtime.apply_method (//runtime.apply_signature apply_arity)
(|>> get_amount_of_partialsI
(_.TABLESWITCH +0 (|> num_partials dec .int)
@default @labels)
casesI
))))
(def: #export with_environment
(-> (Environment Synthesis) Def)
(|>> list.enumeration
(list@map (.function (_ [env_idx env_source])
(def.field #$.Private $.finalF (reference.foreign_name env_idx) //.$Value)))
def.fuse))
(def: (with_partial arity)
(-> Arity Def)
(if (poly_arg? arity)
(|> (enum.range n.enum 0 (n.- 2 arity))
(list@map (.function (_ idx)
(def.field #$.Private $.finalF (reference.partial_name idx) //.$Value)))
def.fuse)
function.identity))
(def: #export (with_function generate archive @begin class env arity bodyI)
(-> Phase Archive Label Text (Environment Synthesis) Arity Inst
(Operation [Def Inst]))
(let [classD (type.class class (list))
applyD (: Def
(if (poly_arg? arity)
(|> (n.min arity //runtime.num_apply_variants)
(enum.range n.enum 1)
(list@map (with_apply classD env arity @begin bodyI))
(list& (with_implementation arity @begin bodyI))
def.fuse)
(def.method #$.Public $.strictM //runtime.apply_method (//runtime.apply_signature 1)
(|>> (_.label @begin)
bodyI
_.ARETURN))))
functionD (: Def
(|>> (def.int_field #$.Public ($_ $.++F $.staticF $.finalF) arity_field (.int arity))
(with_environment env)
(with_partial arity)
(with_init classD env arity)
(with_reset classD arity env)
applyD
))]
(do phase.monad
[instanceI (..instance generate archive classD arity env)]
(wrap [functionD instanceI]))))
(def: #export (function' forced_context generate archive [env arity bodyS])
(-> (Maybe Context) (Generator Abstraction))
(do {! phase.monad}
[@begin _.make_label
[function_context bodyI] (case forced_context
(#.Some function_context)
(do !
[without_context (generation.with_anchor [@begin 1]
(generate archive bodyS))]
(wrap [function_context
without_context]))
#.None
(generation.with_new_context archive
(generation.with_anchor [@begin 1]
(generate archive bodyS))))
#let [function_class (//.class_name function_context)]
[functionD instanceI] (..with_function generate archive @begin function_class env arity bodyI)
#let [directive [function_class
(def.class #$.V1_6 #$.Public $.finalC
function_class (list)
//.$Function (list)
functionD)]]
_ (generation.execute! directive)
_ (case forced_context
#.None
(generation.save! (product.right function_context) #.None directive)
(#.Some function_context)
(wrap []))]
(wrap instanceI)))
(def: #export function
(Generator Abstraction)
(..function' #.None))
(def: #export (call generate archive [functionS argsS])
(Generator Apply)
(do {@ phase.monad}
[functionI (generate archive functionS)
argsI (monad.map @ (generate archive) argsS)
#let [applyI (|> argsI
(list.chunk //runtime.num_apply_variants)
(list@map (.function (_ chunkI+)
(|>> (_.CHECKCAST //.$Function)
(_.fuse chunkI+)
(_.INVOKEVIRTUAL //.$Function //runtime.apply_method (//runtime.apply_signature (list.size chunkI+))))))
_.fuse)]]
(wrap (|>> functionI
applyI))))
|
