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|
(.module:
[lux (#- Type)
[abstract
[monad (#+ do)]
["." enum]]
[data
[binary (#+ Binary)]
["." product]
[text
["%" format (#+ format)]]
[collection
["." list ("#@." functor)]
["." row]]]
["." math
[number
["n" nat]]]
[target
[jvm
["." type (#+ Type)
["." category (#+ Void Value' Value Return' Return Primitive Object Class Array Var Parameter Method)]
["." reflection]]]]
[tool
[compiler
[arity (#+ Arity)]
["." phase]
[language
[lux
["." synthesis]
["." generation]]]
[meta
[archive (#+ Output)
["." artifact (#+ Registry)]]]]]]
[luxc
[lang
[host
["$" jvm (#+ Label Inst Def Operation)
["$d" def]
["_" inst]]]]]
["." // (#+ ByteCode)])
(def: $Text (type.class "java.lang.String" (list)))
(def: #export $Tag type.int)
(def: #export $Flag (type.class "java.lang.Object" (list)))
(def: #export $Value (type.class "java.lang.Object" (list)))
(def: #export $Index type.int)
(def: #export $Stack (type.array $Value))
(def: $Throwable (type.class "java.lang.Throwable" (list)))
(def: nullary_init_methodT
(type.method [(list) type.void (list)]))
(def: throw_methodT
(type.method [(list) type.void (list)]))
(def: #export logI
Inst
(let [PrintStream (type.class "java.io.PrintStream" (list))
outI (_.GETSTATIC (type.class "java.lang.System" (list)) "out" PrintStream)
printI (function (_ method)
(_.INVOKEVIRTUAL PrintStream method (type.method [(list $Value) type.void (list)])))]
(|>> outI (_.string "LOG: ") (printI "print")
outI _.SWAP (printI "println"))))
(def: variant_method
(type.method [(list $Tag $Flag $Value) //.$Variant (list)]))
(def: #export variantI
Inst
(_.INVOKESTATIC //.$Runtime "variant_make" variant_method))
(def: #export leftI
Inst
(|>> _.ICONST_0
_.NULL
_.DUP2_X1
_.POP2
variantI))
(def: #export rightI
Inst
(|>> _.ICONST_1
(_.string "")
_.DUP2_X1
_.POP2
variantI))
(def: #export someI Inst rightI)
(def: #export noneI
Inst
(|>> _.ICONST_0
_.NULL
(_.string synthesis.unit)
variantI))
(def: (tryI unsafeI)
(-> Inst Inst)
(<| _.with_label (function (_ @from))
_.with_label (function (_ @to))
_.with_label (function (_ @handler))
(|>> (_.try @from @to @handler (type.class "java.lang.Exception" (list)))
(_.label @from)
unsafeI
someI
_.ARETURN
(_.label @to)
(_.label @handler)
noneI
_.ARETURN)))
(def: #export partials_field Text "partials")
(def: #export apply_method Text "apply")
(def: #export num_apply_variants Nat 8)
(def: #export (apply_signature arity)
(-> Arity (Type Method))
(type.method [(list.repeat arity $Value) $Value (list)]))
(def: adt_methods
Def
(let [store_tagI (|>> _.DUP _.ICONST_0 (_.ILOAD 0) (_.wrap type.int) _.AASTORE)
store_flagI (|>> _.DUP _.ICONST_1 (_.ALOAD 1) _.AASTORE)
store_valueI (|>> _.DUP _.ICONST_2 (_.ALOAD 2) _.AASTORE)]
(|>> ($d.method #$.Public $.staticM "variant_make"
(type.method [(list $Tag $Flag $Value) //.$Variant (list)])
(|>> _.ICONST_3
(_.ANEWARRAY $Value)
store_tagI
store_flagI
store_valueI
_.ARETURN)))))
(def: frac_methods
Def
(|>> ($d.method #$.Public $.staticM "decode_frac" (type.method [(list $Text) //.$Variant (list)])
(tryI
(|>> (_.ALOAD 0)
(_.INVOKESTATIC (type.class "java.lang.Double" (list)) "parseDouble" (type.method [(list $Text) type.double (list)]))
(_.wrap type.double))))
))
(def: (illegal_state_exception message)
(-> Text Inst)
(let [IllegalStateException (type.class "java.lang.IllegalStateException" (list))]
(|>> (_.NEW IllegalStateException)
_.DUP
(_.string message)
(_.INVOKESPECIAL IllegalStateException "<init>" (type.method [(list $Text) type.void (list)])))))
(def: pm_methods
Def
(let [tuple_sizeI (|>> (_.ALOAD 0)
_.ARRAYLENGTH)
last_rightI (|>> tuple_sizeI
_.ICONST_1
_.ISUB)
leftsI (_.ILOAD 1)
left_indexI leftsI
sub_leftsI (|>> leftsI
last_rightI
_.ISUB)
sub_tupleI (|>> (_.ALOAD 0)
last_rightI
_.AALOAD
(_.CHECKCAST //.$Tuple))
recurI (: (-> Label Inst)
(function (_ @loop)
(|>> sub_leftsI (_.ISTORE 1)
sub_tupleI (_.ASTORE 0)
(_.GOTO @loop))))]
(|>> ($d.method #$.Public $.staticM "pm_fail" throw_methodT
(|>> (illegal_state_exception "Invalid expression for pattern-matching.")
_.ATHROW))
($d.method #$.Public $.staticM "apply_fail" throw_methodT
(|>> (illegal_state_exception "Error while applying function.")
_.ATHROW))
($d.method #$.Public $.staticM "pm_push" (type.method [(list $Stack $Value) $Stack (list)])
(|>> _.ICONST_2
(_.ANEWARRAY $Value)
_.DUP
_.ICONST_1
(_.ALOAD 0)
_.AASTORE
_.DUP
_.ICONST_0
(_.ALOAD 1)
_.AASTORE
_.ARETURN))
($d.method #$.Public $.staticM "pm_variant" (type.method [(list //.$Variant $Tag $Flag) $Value (list)])
(<| _.with_label (function (_ @loop))
_.with_label (function (_ @perfect_match!))
_.with_label (function (_ @tags_match!))
_.with_label (function (_ @maybe_nested))
_.with_label (function (_ @mismatch!))
(let [$variant (_.ALOAD 0)
$tag (_.ILOAD 1)
$last? (_.ALOAD 2)
variant_partI (: (-> Nat Inst)
(function (_ idx)
(|>> (_.int (.int idx)) _.AALOAD)))
::tag (: Inst
(|>> (variant_partI 0) (_.unwrap type.int)))
::last? (variant_partI 1)
::value (variant_partI 2)
super_nested_tag (|>> _.SWAP ## variant::tag, tag
_.ISUB)
super_nested (|>> super_nested_tag ## super_tag
$variant ::last? ## super_tag, super_last
$variant ::value ## super_tag, super_last, super_value
..variantI)
update_$tag _.ISUB
update_$variant (|>> $variant ::value
(_.CHECKCAST //.$Variant)
(_.ASTORE 0))
iterate! (: (-> Label Inst)
(function (_ @loop)
(|>> update_$variant
update_$tag
(_.GOTO @loop))))
not_found _.NULL])
(|>> $tag ## tag
(_.label @loop)
$variant ::tag ## tag, variant::tag
_.DUP2 (_.IF_ICMPEQ @tags_match!) ## tag, variant::tag
_.DUP2 (_.IF_ICMPGT @maybe_nested) ## tag, variant::tag
$last? (_.IFNULL @mismatch!) ## tag, variant::tag
super_nested ## super_variant
_.ARETURN
(_.label @tags_match!) ## tag, variant::tag
$last? ## tag, variant::tag, last?
$variant ::last? ## tag, variant::tag, last?, variant::last?
(_.IF_ACMPEQ @perfect_match!) ## tag, variant::tag
(_.label @maybe_nested) ## tag, variant::tag
$variant ::last? ## tag, variant::tag, variant::last?
(_.IFNULL @mismatch!) ## tag, variant::tag
(iterate! @loop)
(_.label @perfect_match!) ## tag, variant::tag
## _.POP2
$variant ::value
_.ARETURN
(_.label @mismatch!) ## tag, variant::tag
## _.POP2
not_found
_.ARETURN)))
($d.method #$.Public $.staticM "tuple_left" (type.method [(list //.$Tuple $Index) $Value (list)])
(<| _.with_label (function (_ @loop))
_.with_label (function (_ @recursive))
(let [left_accessI (|>> (_.ALOAD 0) left_indexI _.AALOAD)])
(|>> (_.label @loop)
leftsI last_rightI (_.IF_ICMPGE @recursive)
left_accessI
_.ARETURN
(_.label @recursive)
## Recursive
(recurI @loop))))
($d.method #$.Public $.staticM "tuple_right" (type.method [(list //.$Tuple $Index) $Value (list)])
(<| _.with_label (function (_ @loop))
_.with_label (function (_ @not_tail))
_.with_label (function (_ @slice))
(let [right_indexI (|>> leftsI
_.ICONST_1
_.IADD)
right_accessI (|>> (_.ALOAD 0)
_.SWAP
_.AALOAD)
sub_rightI (|>> (_.ALOAD 0)
right_indexI
tuple_sizeI
(_.INVOKESTATIC (type.class "java.util.Arrays" (list)) "copyOfRange"
(type.method [(list //.$Tuple $Index $Index)
//.$Tuple
(list)])))])
(|>> (_.label @loop)
last_rightI right_indexI
_.DUP2 (_.IF_ICMPNE @not_tail)
## _.POP
right_accessI
_.ARETURN
(_.label @not_tail)
(_.IF_ICMPGT @slice)
## Must recurse
(recurI @loop)
(_.label @slice)
sub_rightI
_.ARETURN
)))
)))
(def: #export try (type.method [(list //.$Function) //.$Variant (list)]))
(def: io_methods
Def
(let [StringWriter (type.class "java.io.StringWriter" (list))
PrintWriter (type.class "java.io.PrintWriter" (list))
string_writerI (|>> (_.NEW StringWriter)
_.DUP
(_.INVOKESPECIAL StringWriter "<init>" nullary_init_methodT))
print_writerI (|>> (_.NEW PrintWriter)
_.SWAP
_.DUP2
_.POP
_.SWAP
(_.boolean true)
(_.INVOKESPECIAL PrintWriter "<init>" (type.method [(list (type.class "java.io.Writer" (list)) type.boolean) type.void (list)]))
)]
(|>> ($d.method #$.Public $.staticM "try" ..try
(<| _.with_label (function (_ @from))
_.with_label (function (_ @to))
_.with_label (function (_ @handler))
(|>> (_.try @from @to @handler $Throwable)
(_.label @from)
(_.ALOAD 0)
_.NULL
(_.INVOKEVIRTUAL //.$Function apply_method (apply_signature 1))
rightI
_.ARETURN
(_.label @to)
(_.label @handler)
string_writerI ## TW
_.DUP2 ## TWTW
print_writerI ## TWTP
(_.INVOKEVIRTUAL $Throwable "printStackTrace" (type.method [(list (type.class "java.io.PrintWriter" (list))) type.void (list)])) ## TW
(_.INVOKEVIRTUAL StringWriter "toString" (type.method [(list) $Text (list)])) ## TS
_.SWAP _.POP leftI
_.ARETURN)))
)))
(def: reflection
(All [category]
(-> (Type (<| Return' Value' category)) Text))
(|>> type.reflection reflection.reflection))
(def: runtime_id
0)
(def: translate_runtime
(Operation [artifact.ID Binary])
(let [runtime_class (..reflection //.$Runtime)
bytecode ($d.class #$.V1_6 #$.Public $.finalC runtime_class (list) (type.class "java.lang.Object" (list)) (list)
(|>> adt_methods
frac_methods
pm_methods
io_methods))
directive [runtime_class bytecode]]
(do phase.monad
[_ (generation.execute! directive)
_ (generation.save! ..runtime_id directive)]
(wrap [..runtime_id bytecode]))))
(def: function_id
1)
(def: translate_function
(Operation [artifact.ID Binary])
(let [applyI (|> (enum.range n.enum 2 num_apply_variants)
(list@map (function (_ arity)
($d.method #$.Public $.noneM apply_method (apply_signature arity)
(let [preI (|> (enum.range n.enum 0 (dec arity))
(list@map _.ALOAD)
_.fuse)]
(|>> preI
(_.INVOKEVIRTUAL //.$Function apply_method (apply_signature (dec arity)))
(_.CHECKCAST //.$Function)
(_.ALOAD arity)
(_.INVOKEVIRTUAL //.$Function apply_method (apply_signature 1))
_.ARETURN)))))
(list& ($d.abstract_method #$.Public $.noneM apply_method (apply_signature 1)))
$d.fuse)
$Object (type.class "java.lang.Object" (list))
function_class (..reflection //.$Function)
bytecode ($d.abstract #$.V1_6 #$.Public $.noneC function_class (list) $Object (list)
(|>> ($d.field #$.Public $.finalF partials_field type.int)
($d.method #$.Public $.noneM "<init>" (type.method [(list type.int) type.void (list)])
(|>> (_.ALOAD 0)
(_.INVOKESPECIAL $Object "<init>" nullary_init_methodT)
(_.ALOAD 0)
(_.ILOAD 1)
(_.PUTFIELD //.$Function partials_field type.int)
_.RETURN))
applyI))
directive [function_class bytecode]]
(do phase.monad
[_ (generation.execute! directive)
_ (generation.save! ..function_id directive)]
(wrap [..function_id bytecode]))))
(def: #export translate
(Operation [Registry Output])
(do phase.monad
[runtime_payload ..translate_runtime
function_payload ..translate_function]
(wrap [(|> artifact.empty
artifact.resource
product.right
artifact.resource
product.right)
(row.row runtime_payload
function_payload)])))
|