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;; Copyright (c) Eduardo Julian. All rights reserved.
;; This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
;; If a copy of the MPL was not distributed with this file,
;; You can obtain one at http://mozilla.org/MPL/2.0/.
(ns lux.analyser.host
(:require (clojure [template :refer [do-template]])
clojure.core.match
clojure.core.match.array
(lux [base :as & :refer [|let |do return fail |case assert!]]
[type :as &type]
[host :as &host])
[lux.type.host :as &host-type]
(lux.analyser [base :as &&]
[lambda :as &&lambda]
[env :as &&env]
[parser :as &&a-parser])
[lux.compiler.base :as &c!base])
(:import (java.lang.reflect TypeVariable)))
;; [Utils]
(defn ^:private ensure-catching [exceptions]
"(-> (List Text) (Lux (,)))"
(|do [class-loader &/loader]
(fn [state]
(let [exceptions (&/|map #(Class/forName % true class-loader) exceptions)
catching (->> state (&/get$ &/$host) (&/get$ &/$catching)
(&/|map #(Class/forName % true class-loader)))]
(if-let [missing-ex (&/fold (fn [prev ^Class now]
(or prev
(if (&/fold (fn [found? ^Class ex-catch]
(or found?
(.isAssignableFrom ex-catch now)))
false
catching)
nil
now)))
nil
exceptions)]
(&/fail* (str "[Analyser Error] Unhandled exception: " missing-ex))
(&/return* state nil)))
)))
(defn ^:private with-catches [catches body]
"(All [a] (-> (List Text) (Lux a) (Lux a)))"
(fn [state]
(let [old-catches (->> state (&/get$ &/$host) (&/get$ &/$catching))
state* (->> state (&/update$ &/$host #(&/update$ &/$catching (partial &/|++ catches) %)))]
(|case (&/run-state body state*)
(&/$Left msg)
(&/V &/$Left msg)
(&/$Right state** output)
(&/V &/$Right (&/T (->> state** (&/update$ &/$host #(&/set$ &/$catching old-catches %)))
output))))
))
(defn ^:private ensure-object [type]
"(-> Type (Lux (, Text (List Type))))"
(|case type
(&/$DataT payload)
(return payload)
(&/$NamedT _ type*)
(ensure-object type*)
(&/$UnivQ _ type*)
(ensure-object type*)
(&/$ExQ _ type*)
(ensure-object type*)
(&/$AppT F A)
(|do [type* (&type/apply-type F A)]
(ensure-object type*))
_
(fail (str "[Analyser Error] Expecting object: " (&type/show-type type)))))
(defn ^:private as-object [type]
"(-> Type Type)"
(|case type
(&/$DataT class params)
(&type/Data$ (&host-type/as-obj class) params)
_
type))
(defn ^:private as-otype [tname]
(case tname
"boolean" "java.lang.Boolean"
"byte" "java.lang.Byte"
"short" "java.lang.Short"
"int" "java.lang.Integer"
"long" "java.lang.Long"
"float" "java.lang.Float"
"double" "java.lang.Double"
"char" "java.lang.Character"
;; else
tname
))
(defn ^:private as-otype+ [type]
"(-> Type Type)"
(|case type
(&/$DataT name params)
(&type/Data$ (as-otype name) params)
_
type))
(defn ^:private clean-gtype-var [idx gtype-var]
(|let [(&/$VarT id) gtype-var]
(|do [? (&type/bound? id)]
(if ?
(|do [real-type (&type/deref id)]
(return (&/T idx real-type)))
(return (&/T (+ 2 idx) (&type/Bound$ idx)))))))
(defn ^:private clean-gtype-vars [gtype-vars]
(|do [[_ clean-types] (&/fold% (fn [idx+types gtype-var]
(|do [:let [[idx types] idx+types]
[idx* real-type] (clean-gtype-var idx gtype-var)]
(return (&/T idx* (&/Cons$ real-type types)))))
(&/T 1 (&/|list))
gtype-vars)]
(return clean-types)))
(defn ^:private make-gtype [class-name type-args]
"(-> Text (List Type) Type)"
(&/fold (fn [base-type type-arg]
(|case type-arg
(&/$BoundT _)
(&type/Univ$ &type/empty-env base-type)
_
base-type))
(&type/Data$ class-name type-args)
type-args))
;; [Resources]
(do-template [<name> <output-tag> <input-class> <output-class>]
(let [input-type (&type/Data$ <input-class> &/Nil$)
output-type (&type/Data$ <output-class> &/Nil$)]
(defn <name> [analyse exo-type x y]
(|do [=x (&&/analyse-1 analyse input-type x)
=y (&&/analyse-1 analyse input-type y)
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor
(&/V <output-tag> (&/T =x =y))))))))
analyse-jvm-iadd &&/$jvm-iadd "java.lang.Integer" "java.lang.Integer"
analyse-jvm-isub &&/$jvm-isub "java.lang.Integer" "java.lang.Integer"
analyse-jvm-imul &&/$jvm-imul "java.lang.Integer" "java.lang.Integer"
analyse-jvm-idiv &&/$jvm-idiv "java.lang.Integer" "java.lang.Integer"
analyse-jvm-irem &&/$jvm-irem "java.lang.Integer" "java.lang.Integer"
analyse-jvm-ieq &&/$jvm-ieq "java.lang.Integer" "java.lang.Boolean"
analyse-jvm-ilt &&/$jvm-ilt "java.lang.Integer" "java.lang.Boolean"
analyse-jvm-igt &&/$jvm-igt "java.lang.Integer" "java.lang.Boolean"
analyse-jvm-ceq &&/$jvm-ceq "java.lang.Character" "java.lang.Boolean"
analyse-jvm-clt &&/$jvm-clt "java.lang.Character" "java.lang.Boolean"
analyse-jvm-cgt &&/$jvm-cgt "java.lang.Character" "java.lang.Boolean"
analyse-jvm-ladd &&/$jvm-ladd "java.lang.Long" "java.lang.Long"
analyse-jvm-lsub &&/$jvm-lsub "java.lang.Long" "java.lang.Long"
analyse-jvm-lmul &&/$jvm-lmul "java.lang.Long" "java.lang.Long"
analyse-jvm-ldiv &&/$jvm-ldiv "java.lang.Long" "java.lang.Long"
analyse-jvm-lrem &&/$jvm-lrem "java.lang.Long" "java.lang.Long"
analyse-jvm-leq &&/$jvm-leq "java.lang.Long" "java.lang.Boolean"
analyse-jvm-llt &&/$jvm-llt "java.lang.Long" "java.lang.Boolean"
analyse-jvm-lgt &&/$jvm-lgt "java.lang.Long" "java.lang.Boolean"
analyse-jvm-fadd &&/$jvm-fadd "java.lang.Float" "java.lang.Float"
analyse-jvm-fsub &&/$jvm-fsub "java.lang.Float" "java.lang.Float"
analyse-jvm-fmul &&/$jvm-fmul "java.lang.Float" "java.lang.Float"
analyse-jvm-fdiv &&/$jvm-fdiv "java.lang.Float" "java.lang.Float"
analyse-jvm-frem &&/$jvm-frem "java.lang.Float" "java.lang.Float"
analyse-jvm-feq &&/$jvm-feq "java.lang.Float" "java.lang.Boolean"
analyse-jvm-flt &&/$jvm-flt "java.lang.Float" "java.lang.Boolean"
analyse-jvm-fgt &&/$jvm-fgt "java.lang.Float" "java.lang.Boolean"
analyse-jvm-dadd &&/$jvm-dadd "java.lang.Double" "java.lang.Double"
analyse-jvm-dsub &&/$jvm-dsub "java.lang.Double" "java.lang.Double"
analyse-jvm-dmul &&/$jvm-dmul "java.lang.Double" "java.lang.Double"
analyse-jvm-ddiv &&/$jvm-ddiv "java.lang.Double" "java.lang.Double"
analyse-jvm-drem &&/$jvm-drem "java.lang.Double" "java.lang.Double"
analyse-jvm-deq &&/$jvm-deq "java.lang.Double" "java.lang.Boolean"
analyse-jvm-dlt &&/$jvm-dlt "java.lang.Double" "java.lang.Boolean"
analyse-jvm-dgt &&/$jvm-dgt "java.lang.Double" "java.lang.Boolean"
)
(defn ^:private analyse-field-access-helper [obj-type gvars gtype]
"(-> Type (List (^ java.lang.reflect.Type)) (^ java.lang.reflect.Type) (Lux Type))"
(|case obj-type
(&/$DataT class targs)
(if (= (&/|length targs) (&/|length gvars))
(|let [gtype-env (&/fold2 (fn [m ^TypeVariable g t] (&/Cons$ (&/T (.getName g) t) m))
(&/|table)
gvars
targs)]
(&host-type/instance-param &type/existential gtype-env gtype))
(fail (str "[Type Error] Mismatched number of type-parameters: " (&/|length gvars) " - " (&type/show-type obj-type))))
_
(fail (str "[Type Error] Type is not an object type: " (&type/show-type obj-type)))))
(defn analyse-jvm-getstatic [analyse exo-type class field]
(|do [class-loader &/loader
[gvars gtype] (&host/lookup-static-field class-loader class field)
:let [=type (&host-type/class->type (cast Class gtype))]
:let [output-type =type]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-getstatic (&/T class field output-type)))))))
(defn analyse-jvm-getfield [analyse exo-type class field object]
(|do [class-loader &/loader
=object (&&/analyse-1+ analyse object)
_ (ensure-object (&&/expr-type* =object))
[gvars gtype] (&host/lookup-field class-loader class field)
=type (analyse-field-access-helper (&&/expr-type* =object) gvars gtype)
:let [output-type =type]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-getfield (&/T class field =object output-type)))))))
(defn analyse-jvm-putstatic [analyse exo-type class field value]
(|do [class-loader &/loader
[gvars gtype] (&host/lookup-static-field class-loader class field)
:let [=type (&host-type/class->type (cast Class gtype))]
=value (&&/analyse-1 analyse =type value)
:let [output-type &type/Unit]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-putstatic (&/T class field =value output-type)))))))
(defn analyse-jvm-putfield [analyse exo-type class field value object]
(|do [class-loader &/loader
=object (&&/analyse-1+ analyse object)
_ (ensure-object (&&/expr-type* =object))
[gvars gtype] (&host/lookup-field class-loader class field)
=type (analyse-field-access-helper (&&/expr-type* =object) gvars gtype)
=value (&&/analyse-1 analyse =type value)
:let [output-type &type/Unit]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-putfield (&/T class field =value =object (&&/expr-type* =object))))))))
(defn analyse-jvm-instanceof [analyse exo-type class object]
(|do [=object (&&/analyse-1+ analyse object)
_ (ensure-object (&&/expr-type* =object))
:let [output-type &type/Bool]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor
(&/V &&/$jvm-instanceof (&/T class =object)))))))
(defn ^:private analyse-method-call-helper [analyse gret gtype-env gtype-vars gtype-args args]
(|case gtype-vars
(&/$Nil)
(|do [arg-types (&/map% (partial &host-type/instance-param &type/existential gtype-env) gtype-args)
=args (&/map2% (partial &&/analyse-1 analyse) arg-types args)
=gret (&host-type/instance-param &type/existential gtype-env gret)]
(return (&/T =gret =args)))
(&/$Cons ^TypeVariable gtv gtype-vars*)
(&type/with-var
(fn [$var]
(|let [gtype-env* (&/Cons$ (&/T (.getName gtv) $var) gtype-env)]
(analyse-method-call-helper analyse gret gtype-env* gtype-vars* gtype-args args))))
))
(let [dummy-type-param (&type/Data$ "java.lang.Object" (&/|list))]
(do-template [<name> <tag> <only-interface?>]
(defn <name> [analyse exo-type class method classes object args]
(|do [class-loader &/loader
_ (try (assert! (let [=class (Class/forName class true class-loader)]
(= <only-interface?> (.isInterface =class)))
(if <only-interface?>
(str "[Analyser Error] Can only invoke method \"" method "\"" " on interface.")
(str "[Analyser Error] Can only invoke method \"" method "\"" " on class.")))
(catch Exception e
(fail (str "[Analyser Error] Unknown class: " class))))
[gret exceptions parent-gvars gvars gargs] (if (= "<init>" method)
(return (&/T Void/TYPE &/Nil$ &/Nil$ &/Nil$ &/Nil$))
(&host/lookup-virtual-method class-loader class method classes))
_ (ensure-catching exceptions)
=object (&&/analyse-1+ analyse object)
[sub-class sub-params] (ensure-object (&&/expr-type* =object))
(&/$DataT super-class* super-params*) (&host-type/->super-type &type/existential class-loader class sub-class sub-params)
:let [;; _ (prn '<name> sub-class '-> super-class* (&/|length parent-gvars) (&/|length super-params*))
gtype-env (&/fold2 (fn [m ^TypeVariable g t] (&/Cons$ (&/T (.getName g) t) m))
(&/|table)
parent-gvars
super-params*)]
[output-type =args] (analyse-method-call-helper analyse gret gtype-env gvars gargs args)
_ (&type/check exo-type (as-otype+ output-type))
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V <tag> (&/T class method classes =object =args output-type)))))))
analyse-jvm-invokevirtual &&/$jvm-invokevirtual false
analyse-jvm-invokespecial &&/$jvm-invokespecial false
analyse-jvm-invokeinterface &&/$jvm-invokeinterface true
))
(defn analyse-jvm-invokestatic [analyse exo-type class method classes args]
(|do [class-loader &/loader
[gret exceptions parent-gvars gvars gargs] (&host/lookup-static-method class-loader class method classes)
_ (ensure-catching exceptions)
=args (&/map2% (fn [_class _arg]
(&&/analyse-1 analyse (&host-type/class-name->type _class) _arg))
classes
args)
output-type (&host-type/instance-param &type/existential (&/|table) gret)
_ (&type/check exo-type (as-otype+ output-type))
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-invokestatic (&/T class method classes =args output-type)))))))
(defn analyse-jvm-null? [analyse exo-type object]
(|do [=object (&&/analyse-1+ analyse object)
_ (ensure-object (&&/expr-type* =object))
:let [output-type &type/Bool]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor
(&/V &&/$jvm-null? =object))))))
(defn analyse-jvm-null [analyse exo-type]
(|do [:let [output-type (&type/Data$ &host-type/null-data-tag &/Nil$)]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor
(&/V &&/$jvm-null nil))))))
(defn ^:private analyse-jvm-new-helper [analyse gtype gtype-env gtype-vars gtype-args args]
(|case gtype-vars
(&/$Nil)
(|do [arg-types (&/map% (partial &host-type/instance-param &type/existential gtype-env) gtype-args)
=args (&/map2% (partial &&/analyse-1 analyse) arg-types args)
gtype-vars* (->> gtype-env (&/|map &/|second) (clean-gtype-vars))]
(return (&/T (make-gtype gtype gtype-vars*)
=args)))
(&/$Cons ^TypeVariable gtv gtype-vars*)
(&type/with-var
(fn [$var]
(|let [gtype-env* (&/Cons$ (&/T (.getName gtv) $var) gtype-env)]
(analyse-jvm-new-helper analyse gtype gtype-env* gtype-vars* gtype-args args))))
))
(defn analyse-jvm-new [analyse exo-type class classes args]
(|do [class-loader &/loader
[exceptions gvars gargs] (&host/lookup-constructor class-loader class classes)
_ (ensure-catching exceptions)
[output-type =args] (analyse-jvm-new-helper analyse class (&/|table) gvars gargs args)
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-new (&/T class classes =args)))))))
(let [length-type &type/Int
idx-type &type/Int]
(do-template [<class> <new-name> <new-tag> <load-name> <load-tag> <store-name> <store-tag>]
(let [elem-type (&type/Data$ <class> &/Nil$)
array-type (&type/Data$ &host-type/array-data-tag (&/|list elem-type))]
(defn <new-name> [analyse exo-type length]
(|do [=length (&&/analyse-1 analyse length-type length)
_ (&type/check exo-type array-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V <new-tag> =length))))))
(defn <load-name> [analyse exo-type array idx]
(|do [=array (&&/analyse-1 analyse array-type array)
=idx (&&/analyse-1 analyse idx-type idx)
_ (&type/check exo-type elem-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V <load-tag> (&/T =array =idx)))))))
(defn <store-name> [analyse exo-type array idx elem]
(|do [=array (&&/analyse-1 analyse array-type array)
=idx (&&/analyse-1 analyse idx-type idx)
=elem (&&/analyse-1 analyse elem-type elem)
_ (&type/check exo-type array-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V <store-tag> (&/T =array =idx =elem)))))))
)
"java.lang.Boolean" analyse-jvm-znewarray &&/$jvm-znewarray analyse-jvm-zaload &&/$jvm-zaload analyse-jvm-zastore &&/$jvm-zastore
"java.lang.Byte" analyse-jvm-bnewarray &&/$jvm-bnewarray analyse-jvm-baload &&/$jvm-baload analyse-jvm-bastore &&/$jvm-bastore
"java.lang.Short" analyse-jvm-snewarray &&/$jvm-snewarray analyse-jvm-saload &&/$jvm-saload analyse-jvm-sastore &&/$jvm-sastore
"java.lang.Integer" analyse-jvm-inewarray &&/$jvm-inewarray analyse-jvm-iaload &&/$jvm-iaload analyse-jvm-iastore &&/$jvm-iastore
"java.lang.Long" analyse-jvm-lnewarray &&/$jvm-lnewarray analyse-jvm-laload &&/$jvm-laload analyse-jvm-lastore &&/$jvm-lastore
"java.lang.Float" analyse-jvm-fnewarray &&/$jvm-fnewarray analyse-jvm-faload &&/$jvm-faload analyse-jvm-fastore &&/$jvm-fastore
"java.lang.Double" analyse-jvm-dnewarray &&/$jvm-dnewarray analyse-jvm-daload &&/$jvm-daload analyse-jvm-dastore &&/$jvm-dastore
"java.lang.Character" analyse-jvm-cnewarray &&/$jvm-cnewarray analyse-jvm-caload &&/$jvm-caload analyse-jvm-castore &&/$jvm-castore
))
(let [length-type &type/Int
idx-type &type/Int]
(defn analyse-jvm-anewarray [analyse exo-type class length]
(|do [elem-type (&host-type/dummy-gtype class)
:let [array-type (&type/Data$ &host-type/array-data-tag (&/|list elem-type))]
=length (&&/analyse-1 analyse length-type length)
_ (&type/check exo-type array-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-anewarray (&/T class =length)))))))
(defn analyse-jvm-aaload [analyse exo-type array idx]
(|do [=array (&&/analyse-1+ analyse array)
[arr-class arr-params] (ensure-object (&&/expr-type* =array))
_ (&/assert! (= &host-type/array-data-tag arr-class) (str "[Analyser Error] Expected array. Instead got: " arr-class))
:let [(&/$Cons inner-arr-type (&/$Nil)) arr-params]
=idx (&&/analyse-1 analyse idx-type idx)
_ (&type/check exo-type inner-arr-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-aaload (&/T =array =idx)))))))
(defn analyse-jvm-aastore [analyse exo-type array idx elem]
(|do [=array (&&/analyse-1+ analyse array)
:let [array-type (&&/expr-type* =array)]
[arr-class arr-params] (ensure-object array-type)
_ (&/assert! (= &host-type/array-data-tag arr-class) (str "[Analyser Error] Expected array. Instead got: " arr-class))
:let [(&/$Cons inner-arr-type (&/$Nil)) arr-params]
=idx (&&/analyse-1 analyse idx-type idx)
=elem (&&/analyse-1 analyse inner-arr-type elem)
_ (&type/check exo-type array-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-aastore (&/T =array =idx =elem))))))))
(defn analyse-jvm-arraylength [analyse exo-type array]
(|do [=array (&&/analyse-1+ analyse array)
[arr-class arr-params] (ensure-object (&&/expr-type* =array))
_ (&/assert! (= &host-type/array-data-tag arr-class) (str "[Analyser Error] Expected array. Instead got: " arr-class))
_ (&type/check exo-type &type/Int)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-arraylength =array)
)))))
(defn generic-class->simple-class [gclass]
"(-> GenericClass Text)"
(|case gclass
(&/$GenericTypeVar var-name)
"java.lang.Object"
(&/$GenericClass name params)
name
(&/$GenericArray param)
(|case param
(&/$GenericArray _)
(str "[" (generic-class->simple-class param))
(&/$GenericClass "boolean" _)
"[Z"
(&/$GenericClass "byte" _)
"[B"
(&/$GenericClass "short" _)
"[S"
(&/$GenericClass "int" _)
"[I"
(&/$GenericClass "long" _)
"[J"
(&/$GenericClass "float" _)
"[F"
(&/$GenericClass "double" _)
"[D"
(&/$GenericClass "char" _)
"[C"
(&/$GenericClass name params)
(str "[L" name ";")
(&/$GenericTypeVar var-name)
"[Ljava.lang.Object;")
))
(defn generic-class->type [env gclass]
"(-> (List (, TypeVar Type)) GenericClass (Lux Type))"
(|case gclass
(&/$GenericTypeVar var-name)
(if-let [ex (&/|get var-name env)]
(return ex)
(fail (str "[Analysis Error] Unknown type var: " var-name)))
(&/$GenericClass name params)
(case name
"boolean" (return (&type/Data$ "java.lang.Boolean" (&/|list)))
"byte" (return (&type/Data$ "java.lang.Byte" (&/|list)))
"short" (return (&type/Data$ "java.lang.Short" (&/|list)))
"int" (return (&type/Data$ "java.lang.Integer" (&/|list)))
"long" (return (&type/Data$ "java.lang.Long" (&/|list)))
"float" (return (&type/Data$ "java.lang.Float" (&/|list)))
"double" (return (&type/Data$ "java.lang.Double" (&/|list)))
"char" (return (&type/Data$ "java.lang.Character" (&/|list)))
"void" (return &type/Unit)
;; else
(|do [=params (&/map% (partial generic-class->type env) params)]
(return (&type/Data$ name =params))))
(&/$GenericArray param)
(|do [=param (generic-class->type env param)]
(return (&type/Data$ &host-type/array-data-tag (&/|list =param))))
))
(defn gen-super-env [class-env supers class-decl]
"(-> (List (, TypeVar Type)) (List SuperClassDecl) ClassDecl (Lux (List (, Text Type))))"
(|let [[class-name class-vars] class-decl]
(|case (&/|some (fn [super]
(|let [[super-name super-params] super]
(if (= class-name super-name)
(&/Some$ (&/zip2 class-vars super-params))
&/None$)))
supers)
(&/$None)
(fail (str "[Analyser Error] Unrecognized super-class: " class-name))
(&/$Some vars+gtypes)
(&/map% (fn [var+gtype]
(|do [:let [[var gtype] var+gtype]
=gtype (generic-class->type class-env gtype)]
(return (&/T var =gtype))))
vars+gtypes)
)))
(defn ^:private analyse-method [analyse class-decl class-env all-supers method]
"(-> Analyser ClassDecl (List (, TypeVar Type)) (List SuperClassDecl) MethodSyntax (Lux MethodAnalysis))"
(|let [[?cname ?cparams] class-decl
class-type (&/V &/$GenericClass (&/T ?cname &/Nil$))]
(|case method
(&/$ConstructorMethodSyntax ?anns ?gvars ?exceptions ?inputs ?ctor-args ?body)
(|do [:let [all-gvars (&/|++ ?cparams ?gvars)]
gvar-env (&/map% (fn [gvar]
(|do [ex &type/existential]
(return (&/T gvar ex))))
all-gvars)
:let [output-type &type/Unit]
=ctor-args (&/map% (fn [ctor-arg]
(|do [:let [[ca-type ca-term] ctor-arg]
=ca-type (generic-class->type gvar-env ca-type)
=ca-term (&&/analyse-1 analyse =ca-type ca-term)]
(return (&/T =ca-type =ca-term))))
?ctor-args)
=body (&/fold (fn [body* input*]
(|do [:let [[iname itype*] input*]
itype (generic-class->type gvar-env itype*)]
(&&env/with-local iname itype
body*)))
(&&/analyse-1 analyse output-type ?body)
(&/|reverse (&/Cons$ (&/T &&/jvm-this class-type)
?inputs)))]
(return (&/V &/$ConstructorMethodAnalysis (&/T ?anns ?gvars ?exceptions ?inputs =ctor-args =body))))
(&/$VirtualMethodSyntax ?name ?anns ?gvars ?exceptions ?inputs ?output ?body)
(|do [:let [all-gvars (&/|++ ?cparams ?gvars)]
all-env (&/map% (fn [gvar]
(|do [ex &type/existential]
(return (&/T gvar ex))))
all-gvars)
output-type (generic-class->type all-env ?output)
=body (&/fold (fn [body* input*]
(|do [:let [[iname itype*] input*]
itype (generic-class->type all-env itype*)]
(&&env/with-local iname itype
body*)))
(&&/analyse-1 analyse output-type ?body)
(&/|reverse (&/Cons$ (&/T &&/jvm-this class-type)
?inputs)))]
(return (&/V &/$VirtualMethodAnalysis (&/T ?name ?anns ?gvars ?exceptions ?inputs ?output =body))))
(&/$OverridenMethodSyntax ?class-decl ?name ?anns ?gvars ?exceptions ?inputs ?output ?body)
(|do [super-env (gen-super-env class-env all-supers ?class-decl)
gvar-env (&/map% (fn [gvar]
(|do [ex &type/existential]
(return (&/T gvar ex))))
?gvars)
:let [full-env (&/|++ super-env gvar-env)]
output-type (generic-class->type full-env ?output)
=body (&/fold (fn [body* input*]
(|do [:let [[iname itype*] input*]
itype (generic-class->type full-env itype*)]
(&&env/with-local iname itype
body*)))
(&&/analyse-1 analyse output-type ?body)
(&/|reverse (&/Cons$ (&/T &&/jvm-this class-type)
?inputs)))]
(return (&/V &/$OverridenMethodAnalysis (&/T ?class-decl ?name ?anns ?gvars ?exceptions ?inputs ?output =body))))
)))
(defn ^:private mandatory-methods [supers]
(|do [class-loader &/loader]
(&/flat-map% (partial &host/abstract-methods class-loader) supers)))
(defn ^:private check-method-completion [supers methods]
"(-> (List SuperClassDecl) (List (, MethodDecl Analysis)) (Lux (,)))"
(|do [abstract-methods (mandatory-methods supers)
:let [methods-map (&/fold (fn [mmap mentry]
(|case mentry
(&/$ConstructorMethodAnalysis _)
mmap
(&/$VirtualMethodAnalysis _)
mmap
(&/$OverridenMethodAnalysis =class-decl =name =anns =gvars =exceptions =inputs =output body)
(assoc mmap =name =inputs)
))
{}
methods)
missing-method (&/fold (fn [missing abs-meth]
(or missing
(|let [[am-name am-inputs] abs-meth]
(if-let [meth-struct (get methods-map am-name)]
(|let [=inputs meth-struct]
(if (and (= (&/|length =inputs) (&/|length am-inputs))
(&/fold2 (fn [prev mi ai]
(|let [[iname itype] mi]
(and prev (= (generic-class->simple-class itype) ai))))
true
=inputs am-inputs))
nil
abs-meth))
abs-meth))))
nil
abstract-methods)]]
(if (nil? missing-method)
(return nil)
(|let [[am-name am-inputs] missing-method]
(fail (str "[Analyser Error] Missing method: " am-name " " "(" (->> am-inputs (&/|interpose " ") (&/fold str "")) ")"))))))
(defn analyse-jvm-class [analyse compile-token class-decl super-class interfaces =anns =fields methods]
(&/with-closure
(|do [module &/get-module-name
:let [[?name ?params] class-decl
full-name (str module "." ?name)
all-supers (&/Cons$ super-class interfaces)]
class-env (&/map% (fn [gvar]
(|do [ex &type/existential]
(return (&/T gvar ex))))
?params)
_ (&host/use-dummy-class class-decl super-class interfaces &/None$ =fields methods)
=methods (&/map% (partial analyse-method analyse class-decl class-env all-supers) methods)
;; :let [_ (prn 'analyse-jvm-class/_2)]
_ (check-method-completion all-supers =methods)
;; :let [_ (prn 'analyse-jvm-class/_3)]
_ (compile-token (&/V &&/$jvm-class (&/T class-decl super-class interfaces =anns =fields =methods nil)))
:let [_ (println 'DEF full-name)]]
(return &/Nil$))))
(defn analyse-jvm-interface [analyse compile-token interface-decl supers =anns =methods]
(|do [module &/get-module-name
_ (compile-token (&/V &&/$jvm-interface (&/T interface-decl supers =anns =methods)))
:let [_ (println 'DEF (str module "." (&/|first interface-decl)))]]
(return &/Nil$)))
(defn ^:private captured-source [env-entry]
(|case env-entry
[name [_ (&&/$captured _ _ source)]]
source))
(let [default-<init> (&/V &/$ConstructorMethodSyntax (&/T (&/|list)
(&/|list)
(&/|list)
(&/|list)
(&/|list)
(&/V &/$TupleS (&/|list))))
captured-slot-type "java.lang.Object"]
(defn analyse-jvm-anon-class [analyse compile-token exo-type super-class interfaces ctor-args methods]
(&/with-closure
(|do [module &/get-module-name
scope &/get-scope-name
:let [name (&host/location (&/|tail scope))
class-decl (&/T name (&/|list))
anon-class (str module "." name)
anon-class-type (&type/Data$ anon-class (&/|list))]
=ctor-args (&/map% (fn [ctor-arg]
(|let [[arg-type arg-term] ctor-arg]
(|do [=arg-term (&&/analyse-1+ analyse arg-term)]
(return (&/T arg-type =arg-term)))))
ctor-args)
_ (->> methods
(&/Cons$ default-<init>)
(&host/use-dummy-class class-decl super-class interfaces (&/Some$ =ctor-args) (&/|list)))
:let [all-supers (&/Cons$ super-class interfaces)
class-env (&/|list)]
=methods (&/map% (partial analyse-method analyse class-decl class-env all-supers) methods)
_ (check-method-completion all-supers =methods)
=captured &&env/captured-vars
:let [=fields (&/|map (fn [^objects idx+capt]
(&/T (str &c!base/closure-prefix (aget idx+capt 0))
(&/|list)
captured-slot-type))
(&/enumerate =captured))]
:let [sources (&/|map captured-source =captured)]
_ (compile-token (&/V &&/$jvm-class (&/T class-decl super-class interfaces (&/|list) =fields =methods =captured (&/Some$ =ctor-args))))
_cursor &/cursor]
(return (&/|list (&&/|meta anon-class-type _cursor
(&/V &&/$jvm-new (&/T anon-class (&/|repeat (&/|length sources) captured-slot-type) sources))
)))
))))
(defn analyse-jvm-try [analyse exo-type ?body ?catches+?finally]
(|do [:let [[?catches ?finally] ?catches+?finally]
=catches (&/map% (fn [[?ex-class ?ex-arg ?catch-body]]
(|do [=catch-body (&&env/with-local ?ex-arg (&type/Data$ ?ex-class &/Nil$)
(&&/analyse-1 analyse exo-type ?catch-body))
idx &&env/next-local-idx]
(return (&/T ?ex-class idx =catch-body))))
?catches)
:let [catched-exceptions (&/|map #(aget ^objects % 0) =catches)]
=body (with-catches catched-exceptions
(&&/analyse-1 analyse exo-type ?body))
=finally (|case ?finally
(&/$None) (return &/None$)
(&/$Some ?finally*) (|do [=finally (&&/analyse-1+ analyse ?finally*)]
(return (&/V &/$Some =finally))))
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&/V &&/$jvm-try (&/T =body =catches =finally)))))))
(defn analyse-jvm-throw [analyse exo-type ?ex]
(|do [=ex (&&/analyse-1 analyse (&type/Data$ "java.lang.Throwable" &/Nil$) ?ex)
_cursor &/cursor
_ (&type/check exo-type &type/$Void)]
(return (&/|list (&&/|meta exo-type _cursor (&/V &&/$jvm-throw =ex))))))
(do-template [<name> <tag>]
(defn <name> [analyse exo-type ?monitor]
(|do [=monitor (&&/analyse-1+ analyse ?monitor)
_ (ensure-object (&&/expr-type* =monitor))
:let [output-type &type/Unit]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor (&/V <tag> =monitor))))))
analyse-jvm-monitorenter &&/$jvm-monitorenter
analyse-jvm-monitorexit &&/$jvm-monitorexit
)
(do-template [<name> <tag> <from-class> <to-class>]
(let [output-type (&type/Data$ <to-class> &/Nil$)]
(defn <name> [analyse exo-type ?value]
(|do [=value (&&/analyse-1 analyse (&type/Data$ <from-class> &/Nil$) ?value)
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor (&/V <tag> =value)))))))
analyse-jvm-d2f &&/$jvm-d2f "java.lang.Double" "java.lang.Float"
analyse-jvm-d2i &&/$jvm-d2i "java.lang.Double" "java.lang.Integer"
analyse-jvm-d2l &&/$jvm-d2l "java.lang.Double" "java.lang.Long"
analyse-jvm-f2d &&/$jvm-f2d "java.lang.Float" "java.lang.Double"
analyse-jvm-f2i &&/$jvm-f2i "java.lang.Float" "java.lang.Integer"
analyse-jvm-f2l &&/$jvm-f2l "java.lang.Float" "java.lang.Long"
analyse-jvm-i2b &&/$jvm-i2b "java.lang.Integer" "java.lang.Byte"
analyse-jvm-i2c &&/$jvm-i2c "java.lang.Integer" "java.lang.Character"
analyse-jvm-i2d &&/$jvm-i2d "java.lang.Integer" "java.lang.Double"
analyse-jvm-i2f &&/$jvm-i2f "java.lang.Integer" "java.lang.Float"
analyse-jvm-i2l &&/$jvm-i2l "java.lang.Integer" "java.lang.Long"
analyse-jvm-i2s &&/$jvm-i2s "java.lang.Integer" "java.lang.Short"
analyse-jvm-l2d &&/$jvm-l2d "java.lang.Long" "java.lang.Double"
analyse-jvm-l2f &&/$jvm-l2f "java.lang.Long" "java.lang.Float"
analyse-jvm-l2i &&/$jvm-l2i "java.lang.Long" "java.lang.Integer"
)
(do-template [<name> <tag> <from-class> <to-class>]
(let [output-type (&type/Data$ <to-class> &/Nil$)]
(defn <name> [analyse exo-type ?value]
(|do [=value (&&/analyse-1 analyse (&type/Data$ <from-class> &/Nil$) ?value)
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta output-type _cursor (&/V <tag> =value)))))))
analyse-jvm-iand &&/$jvm-iand "java.lang.Integer" "java.lang.Integer"
analyse-jvm-ior &&/$jvm-ior "java.lang.Integer" "java.lang.Integer"
analyse-jvm-ixor &&/$jvm-ixor "java.lang.Integer" "java.lang.Integer"
analyse-jvm-ishl &&/$jvm-ishl "java.lang.Integer" "java.lang.Integer"
analyse-jvm-ishr &&/$jvm-ishr "java.lang.Integer" "java.lang.Integer"
analyse-jvm-iushr &&/$jvm-iushr "java.lang.Integer" "java.lang.Integer"
analyse-jvm-land &&/$jvm-land "java.lang.Long" "java.lang.Long"
analyse-jvm-lor &&/$jvm-lor "java.lang.Long" "java.lang.Long"
analyse-jvm-lxor &&/$jvm-lxor "java.lang.Long" "java.lang.Long"
analyse-jvm-lshl &&/$jvm-lshl "java.lang.Long" "java.lang.Integer"
analyse-jvm-lshr &&/$jvm-lshr "java.lang.Long" "java.lang.Integer"
analyse-jvm-lushr &&/$jvm-lushr "java.lang.Long" "java.lang.Integer"
)
(let [input-type (&type/App$ &type/List &type/Text)
output-type (&type/App$ &type/IO &type/Unit)]
(defn analyse-jvm-program [analyse compile-token ?args ?body]
(|do [=body (&/with-scope ""
(&&env/with-local ?args input-type
(&&/analyse-1 analyse output-type ?body)))
_ (compile-token (&/V &&/$jvm-program =body))]
(return &/Nil$))))
|