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|
(;module:
[lux #- char]
(lux (control [monad #+ do]
["p" parser]
["ex" exception #+ exception:])
(concurrency ["A" atom])
(data ["R" result]
[maybe]
[product]
[text "text/" Eq<Text>]
(text format
["l" lexer])
(coll [list "list/" Fold<List> Functor<List>]
[array #+ Array]
[dict #+ Dict]))
[macro "lux/" Monad<Lux>]
[type]
(type ["tc" check])
[host])
(luxc ["&" base]
["&;" host]
(lang ["la" analysis])
(analyser ["&;" common]))
["@" ../common]
)
(def: null-class Text "#Null")
(do-template [<name> <class>]
[(def: #export <name> Type (#;Host <class> (list)))]
## Boxes
[Boolean "java.lang.Boolean"]
[Byte "java.lang.Byte"]
[Short "java.lang.Short"]
[Integer "java.lang.Integer"]
[Long "java.lang.Long"]
[Float "java.lang.Float"]
[Double "java.lang.Double"]
[Character "java.lang.Character"]
[String "java.lang.String"]
## Primitives
[boolean "boolean"]
[byte "byte"]
[short "short"]
[int "int"]
[long "long"]
[float "float"]
[double "double"]
[char "char"]
)
(def: conversion-procs
@;Bundle
(<| (@;prefix "convert")
(|> (dict;new text;Hash<Text>)
(@;install "double-to-float" (@;unary Double Float))
(@;install "double-to-int" (@;unary Double Integer))
(@;install "double-to-long" (@;unary Double Long))
(@;install "float-to-double" (@;unary Float Double))
(@;install "float-to-int" (@;unary Float Integer))
(@;install "float-to-long" (@;unary Float Long))
(@;install "int-to-byte" (@;unary Integer Byte))
(@;install "int-to-char" (@;unary Integer Character))
(@;install "int-to-double" (@;unary Integer Double))
(@;install "int-to-float" (@;unary Integer Float))
(@;install "int-to-long" (@;unary Integer Long))
(@;install "int-to-short" (@;unary Integer Short))
(@;install "long-to-double" (@;unary Long Double))
(@;install "long-to-float" (@;unary Long Float))
(@;install "long-to-int" (@;unary Long Integer))
(@;install "long-to-short" (@;unary Long Short))
(@;install "long-to-byte" (@;unary Long Byte))
(@;install "char-to-byte" (@;unary Character Byte))
(@;install "char-to-short" (@;unary Character Short))
(@;install "char-to-int" (@;unary Character Integer))
(@;install "char-to-long" (@;unary Character Long))
(@;install "byte-to-long" (@;unary Byte Long))
(@;install "short-to-long" (@;unary Short Long))
)))
(do-template [<name> <prefix> <type>]
[(def: <name>
@;Bundle
(<| (@;prefix <prefix>)
(|> (dict;new text;Hash<Text>)
(@;install "+" (@;binary <type> <type> <type>))
(@;install "-" (@;binary <type> <type> <type>))
(@;install "*" (@;binary <type> <type> <type>))
(@;install "/" (@;binary <type> <type> <type>))
(@;install "%" (@;binary <type> <type> <type>))
(@;install "=" (@;binary <type> <type> Boolean))
(@;install "<" (@;binary <type> <type> Boolean))
(@;install ">" (@;binary <type> <type> Boolean))
(@;install "and" (@;binary <type> <type> <type>))
(@;install "or" (@;binary <type> <type> <type>))
(@;install "xor" (@;binary <type> <type> <type>))
(@;install "shl" (@;binary <type> Integer <type>))
(@;install "shr" (@;binary <type> Integer <type>))
(@;install "ushr" (@;binary <type> Integer <type>))
)))]
[int-procs "int" Integer]
[long-procs "long" Long]
)
(do-template [<name> <prefix> <type>]
[(def: <name>
@;Bundle
(<| (@;prefix <prefix>)
(|> (dict;new text;Hash<Text>)
(@;install "+" (@;binary <type> <type> <type>))
(@;install "-" (@;binary <type> <type> <type>))
(@;install "*" (@;binary <type> <type> <type>))
(@;install "/" (@;binary <type> <type> <type>))
(@;install "%" (@;binary <type> <type> <type>))
(@;install "=" (@;binary <type> <type> Boolean))
(@;install "<" (@;binary <type> <type> Boolean))
(@;install ">" (@;binary <type> <type> Boolean))
)))]
[float-procs "float" Float]
[double-procs "double" Double]
)
(def: char-procs
@;Bundle
(<| (@;prefix "char")
(|> (dict;new text;Hash<Text>)
(@;install "=" (@;binary Character Character Boolean))
(@;install "<" (@;binary Character Character Boolean))
(@;install ">" (@;binary Character Character Boolean))
)))
(def: #export boxes
(Dict Text Text)
(|> (list ["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"])
(dict;from-list text;Hash<Text>)))
(def: (array-length proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list arrayC))
(do macro;Monad<Lux>
[arrayA (&;with-expected-type (type (Array varT))
(analyse arrayC))
_ (&;infer Nat)]
(wrap (#la;Procedure proc (list arrayA))))
_
(&;fail (@;wrong-arity proc +1 (list;size args))))))))
(def: (invalid-array-type arrayT)
(-> Type Text)
(format "Invalid type for array: " (%type arrayT)))
(def: (array-new proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list lengthC))
(do macro;Monad<Lux>
[lengthA (&;with-expected-type Nat
(analyse lengthC))
expectedT macro;expected-type
[level elem-class] (: (Lux [Nat Text])
(loop [analysisT expectedT
level +0]
(case analysisT
(#;Apply inputT funcT)
(case (type;apply (list inputT) funcT)
(#;Some outputT)
(recur outputT level)
#;None
(&;fail (invalid-array-type expectedT)))
(^ (#;Host "#Array" (list elemT)))
(recur elemT (n.inc level))
(#;Host class _)
(wrap [level class])
_
(&;fail (invalid-array-type expectedT)))))
_ (&;assert "Must have at least 1 level of nesting in array type."
(n.> +0 level))]
(wrap (#la;Procedure proc (list (#la;Nat level) (#la;Text elem-class) lengthA))))
_
(&;fail (@;wrong-arity proc +1 (list;size args))))))
(def: (not-object type)
(-> Type Text)
(format "Non-object type: " (%type type)))
(def: (check-jvm objectT)
(-> Type (Lux Text))
(case objectT
(#;Host name _)
(lux/wrap name)
(#;Named name unnamed)
(check-jvm unnamed)
(^template [<tag>]
(<tag> env unquantified)
(check-jvm unquantified))
([#;UnivQ]
[#;ExQ])
(#;Apply inputT funcT)
(case (type;apply (list inputT) funcT)
(#;Some outputT)
(check-jvm outputT)
#;None
(&;fail (not-object objectT)))
_
(&;fail (not-object objectT))))
(def: (check-object objectT)
(-> Type (Lux Text))
(do macro;Monad<Lux>
[name (check-jvm objectT)]
(if (dict;contains? name boxes)
(&;fail (format "Primitives are not objects: " name))
(:: macro;Monad<Lux> wrap name))))
(def: (box-array-element-type elemT)
(-> Type (Lux [Type Text]))
(do macro;Monad<Lux>
[]
(case elemT
(#;Host name #;Nil)
(let [boxed-name (|> (dict;get name boxes)
(maybe;default name))]
(wrap [(#;Host boxed-name #;Nil)
boxed-name]))
(#;Host name _)
(if (dict;contains? name boxes)
(&;fail (format "Primitives cannot be parameterized: " name))
(:: macro;Monad<Lux> wrap [elemT name]))
_
(&;fail (format "Invalid type for array element: " (%type elemT))))))
(def: (array-read proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list arrayC idxC))
(do macro;Monad<Lux>
[arrayA (&;with-expected-type (type (Array varT))
(analyse arrayC))
elemT (&;with-type-env
(tc;read var-id))
[elemT elem-class] (box-array-element-type elemT)
idxA (&;with-expected-type Nat
(analyse idxC))
_ (&;infer elemT)]
(wrap (#la;Procedure proc (list (#la;Text elem-class) arrayA idxA))))
_
(&;fail (@;wrong-arity proc +2 (list;size args))))))))
(def: (array-write proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list arrayC idxC valueC))
(do macro;Monad<Lux>
[arrayA (&;with-expected-type (type (Array varT))
(analyse arrayC))
elemT (&;with-type-env
(tc;read var-id))
[valueT elem-class] (box-array-element-type elemT)
idxA (&;with-expected-type Nat
(analyse idxC))
valueA (&;with-expected-type valueT
(analyse valueC))
_ (&;infer (type (Array elemT)))]
(wrap (#la;Procedure proc (list (#la;Text elem-class) arrayA idxA valueA))))
_
(&;fail (@;wrong-arity proc +3 (list;size args))))))))
(def: array-procs
@;Bundle
(<| (@;prefix "array")
(|> (dict;new text;Hash<Text>)
(@;install "length" array-length)
(@;install "new" array-new)
(@;install "read" array-read)
(@;install "write" array-write)
)))
(def: (object-null proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list))
(do macro;Monad<Lux>
[expectedT macro;expected-type
_ (check-object expectedT)]
(wrap (#la;Procedure proc (list))))
_
(&;fail (@;wrong-arity proc +0 (list;size args))))))
(def: (object-null? proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list objectC))
(do macro;Monad<Lux>
[objectA (&;with-expected-type varT
(analyse objectC))
objectT (&;with-type-env
(tc;read var-id))
_ (check-object objectT)
_ (&;infer Bool)]
(wrap (#la;Procedure proc (list objectA))))
_
(&;fail (@;wrong-arity proc +1 (list;size args))))))))
(def: (object-synchronized proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list monitorC exprC))
(do macro;Monad<Lux>
[monitorA (&;with-expected-type varT
(analyse monitorC))
monitorT (&;with-type-env
(tc;read var-id))
_ (check-object monitorT)
exprA (analyse exprC)]
(wrap (#la;Procedure proc (list monitorA exprA))))
_
(&;fail (@;wrong-arity proc +2 (list;size args))))))))
(host;import java.lang.Object)
(host;import java.lang.ClassLoader)
(host;import #long java.lang.reflect.Type
(getTypeName [] String))
(host;import java.lang.reflect.GenericArrayType
(getGenericComponentType [] java.lang.reflect.Type))
(host;import java.lang.reflect.ParameterizedType
(getRawType [] java.lang.reflect.Type)
(getActualTypeArguments [] (Array java.lang.reflect.Type)))
(host;import (java.lang.reflect.TypeVariable d)
(getName [] String)
(getBounds [] (Array java.lang.reflect.Type)))
(host;import (java.lang.reflect.WildcardType d)
(getLowerBounds [] (Array java.lang.reflect.Type))
(getUpperBounds [] (Array java.lang.reflect.Type)))
(host;import java.lang.reflect.Modifier
(#static isStatic [int] boolean)
(#static isFinal [int] boolean))
(host;import java.lang.reflect.Field
(getDeclaringClass [] (java.lang.Class Object))
(getModifiers [] int)
(getGenericType [] java.lang.reflect.Type))
(host;import (java.lang.Class c)
(getName [] String)
(#static forName [String boolean ClassLoader] #try (Class Object))
(isAssignableFrom [(Class Object)] boolean)
(getTypeParameters [] (Array (TypeVariable (Class c))))
(getGenericInterfaces [] (Array java.lang.reflect.Type))
(getGenericSuperclass [] java.lang.reflect.Type)
(getDeclaredField [String] #try Field))
(def: (load-class name)
(-> Text (Lux (Class Object)))
(do macro;Monad<Lux>
[class-loader &host;class-loader]
(case (Class.forName [name false class-loader])
(#R;Success [class])
(wrap class)
(#R;Error error)
(&;fail (format "Unknown class: " name)))))
(def: (sub-class? super sub)
(-> Text Text (Lux Bool))
(do macro;Monad<Lux>
[super (load-class super)
sub (load-class sub)]
(wrap (Class.isAssignableFrom [sub] super))))
(exception: #export Not-Throwable)
(def: (object-throw proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list exceptionC))
(do macro;Monad<Lux>
[exceptionA (&;with-expected-type varT
(analyse exceptionC))
exceptionT (&;with-type-env
(tc;read var-id))
exception-class (check-object exceptionT)
? (sub-class? "java.lang.Throwable" exception-class)
_ (: (Lux Unit)
(if ?
(wrap [])
(&;throw Not-Throwable exception-class)))
_ (&;infer Bottom)]
(wrap (#la;Procedure proc (list exceptionA))))
_
(&;fail (@;wrong-arity proc +1 (list;size args))))))))
(def: (object-class proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list classC))
(case classC
[_ (#;Text class)]
(do macro;Monad<Lux>
[_ (load-class class)
_ (&;infer (#;Host "java.lang.Class" (list (#;Host class (list)))))]
(wrap (#la;Procedure proc (list (#la;Text class)))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +1 (list;size args))))))
(exception: #export Cannot-Be-Instance)
(def: (object-instance? proc)
(-> Text @;Proc)
(function [analyse args]
(&common;with-var
(function [[var-id varT]]
(case args
(^ (list classC objectC))
(case classC
[_ (#;Text class)]
(do macro;Monad<Lux>
[objectA (&;with-expected-type varT
(analyse objectC))
objectT (&;with-type-env
(tc;read var-id))
object-class (check-object objectT)
? (sub-class? class object-class)]
(if ?
(do @
[_ (&;infer Bool)]
(wrap (#la;Procedure proc (list (#la;Text class)))))
(&;throw Cannot-Be-Instance (format object-class " !<= " class))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +2 (list;size args))))))))
(def: object-procs
@;Bundle
(<| (@;prefix "object")
(|> (dict;new text;Hash<Text>)
(@;install "null" object-null)
(@;install "null?" object-null?)
(@;install "synchronized" object-synchronized)
(@;install "throw" object-throw)
(@;install "class" object-class)
(@;install "instance?" object-instance?)
)))
(exception: #export Final-Field)
(exception: #export Cannot-Convert-To-Class)
(exception: #export Cannot-Convert-To-Lux-Type)
(exception: #export Cannot-Cast-To-Primitive)
(exception: #export JVM-Type-Is-Not-Class)
(def: type-descriptor
(-> java.lang.reflect.Type Text)
(java.lang.reflect.Type.getTypeName []))
(def: (java-type-to-class type)
(-> java.lang.reflect.Type (Lux Text))
(cond (host;instance? Class type)
(lux/wrap (Class.getName [] (:! Class type)))
(host;instance? ParameterizedType type)
(java-type-to-class (ParameterizedType.getRawType [] (:! ParameterizedType type)))
## else
(&;throw Cannot-Convert-To-Class (type-descriptor type))))
(exception: #export Unknown-Type-Var)
(type: Mappings
(Dict Text Type))
(def: fresh-mappings Mappings (dict;new text;Hash<Text>))
(def: (java-type-to-lux-type mappings java-type)
(-> Mappings java.lang.reflect.Type (Lux Type))
(cond (host;instance? TypeVariable java-type)
(let [var-name (TypeVariable.getName [] (:! TypeVariable java-type))]
(case (dict;get var-name mappings)
(#;Some var-type)
(lux/wrap var-type)
#;None
(&;throw Unknown-Type-Var var-name)))
(host;instance? WildcardType java-type)
(let [java-type (:! WildcardType java-type)]
(case [(array;get +0 (WildcardType.getUpperBounds [] java-type))
(array;get +0 (WildcardType.getLowerBounds [] java-type))]
(^or [(#;Some bound) _] [_ (#;Some bound)])
(java-type-to-lux-type mappings bound)
_
(lux/wrap Top)))
(host;instance? Class java-type)
(let [java-type (:! (Class Object) java-type)
class-name (Class.getName [] java-type)]
(lux/wrap (case (array;size (Class.getTypeParameters [] java-type))
+0
(#;Host class-name (list))
arity
(|> (list;n.range +0 (n.dec arity))
list;reverse
(list/map (|>. (n.* +2) n.inc #;Bound))
(#;Host class-name)
(type;univ-q arity)))))
(host;instance? ParameterizedType java-type)
(let [java-type (:! ParameterizedType java-type)
raw (ParameterizedType.getRawType [] java-type)]
(if (host;instance? Class raw)
(do macro;Monad<Lux>
[paramsT (|> java-type
(ParameterizedType.getActualTypeArguments [])
array;to-list
(monad;map @ (java-type-to-lux-type mappings)))]
(lux/wrap (#;Host (Class.getName [] (:! (Class Object) raw))
paramsT)))
(&;throw JVM-Type-Is-Not-Class (type-descriptor raw))))
(host;instance? GenericArrayType java-type)
(do macro;Monad<Lux>
[innerT (|> (:! GenericArrayType java-type)
(GenericArrayType.getGenericComponentType [])
(java-type-to-lux-type mappings))]
(wrap (#;Host "#Array" (list innerT))))
## else
(&;throw Cannot-Convert-To-Lux-Type (type-descriptor java-type))))
(def: (cast to from)
(-> Type Type (Lux [Text Type]))
(do macro;Monad<Lux>
[to-name (check-jvm to)
from-name (check-jvm from)]
(cond (dict;contains? to-name boxes)
(let [box (maybe;assume (dict;get to-name boxes))]
(if (text/= box from-name)
(wrap [box (#;Host to-name (list))])
(&;throw Cannot-Cast-To-Primitive (format from-name " => " to-name))))
(dict;contains? from-name boxes)
(let [box (maybe;assume (dict;get from-name boxes))]
(do @
[[_ castT] (cast to (#;Host box (list)))]
(wrap [from-name castT])))
(text/= to-name from-name)
(wrap ["" from])
(text/= null-class from-name)
(wrap ["" to])
## else
(do @
[to-class (load-class to-name)
from-class (load-class from-name)
_ (&;assert (format "Class '" from-name "' is not a sub-class of class '" to-name "'.")
(Class.isAssignableFrom [from-class] to-class))
candiate-parents (monad;map @
(function [java-type]
(do @
[class-name (java-type-to-class java-type)
class (load-class class-name)]
(wrap [java-type (Class.isAssignableFrom [from-class] to-class)])))
(list& (Class.getGenericSuperclass [] from-class)
(array;to-list (Class.getGenericInterfaces [] from-class))))]
(case (|> candiate-parents
(list;filter product;right)
(list/map product;left))
(#;Cons parent _)
(do @
[parentT (java-type-to-lux-type fresh-mappings parent)]
(cast to parentT))
#;Nil
(&;fail (format "No valid path between " (%type from) "and " (%type to) ".")))))))
(def: (find-field class-name field-name)
(-> Text Text (Lux [(Class Object) Field]))
(do macro;Monad<Lux>
[class (load-class class-name)]
(case (Class.getDeclaredField [field-name] class)
(#R;Success field)
(let [owner (Field.getDeclaringClass [] field)]
(if (is owner class)
(wrap [class field])
(&;fail (format "Field '" field-name "' does not belong to class '" class-name "'.\n"
"Belongs to '" (Class.getName [] owner) "'."))))
(#R;Error _)
(&;fail (format "Unknown field '" field-name "' for class '" class-name "'.")))))
(def: (static-field class-name field-name)
(-> Text Text (Lux [Type Bool]))
(do macro;Monad<Lux>
[[class fieldJ] (find-field class-name field-name)
#let [modifiers (Field.getModifiers [] fieldJ)]]
(if (Modifier.isStatic [modifiers])
(let [fieldJT (Field.getGenericType [] fieldJ)]
(do @
[fieldT (java-type-to-lux-type fresh-mappings fieldJT)]
(wrap [fieldT (Modifier.isFinal [modifiers])])))
(&;fail (format "Field '" field-name "' of class '" class-name "' is not static.")))))
(exception: #export Non-Object-Type)
(def: (virtual-field class-name field-name objectT)
(-> Text Text Type (Lux [Type Bool]))
(do macro;Monad<Lux>
[[class fieldJ] (find-field class-name field-name)
#let [modifiers (Field.getModifiers [] fieldJ)]]
(if (not (Modifier.isStatic [modifiers]))
(do @
[#let [fieldJT (Field.getGenericType [] fieldJ)
var-names (|> class
(Class.getTypeParameters [])
array;to-list
(list/map (TypeVariable.getName [])))]
mappings (: (Lux Mappings)
(case objectT
(#;Host _class-name _class-params)
(do @
[#let [num-params (list;size _class-params)
num-vars (list;size var-names)]
_ (&;assert (format "Number of paremeters in type does not match expected amount (" (%n num-vars) "): " (%type objectT))
(n.= num-params num-vars))]
(wrap (|> (list;zip2 var-names _class-params)
(dict;from-list text;Hash<Text>))))
_
(&;throw Non-Object-Type (%type objectT))))
fieldT (java-type-to-lux-type mappings fieldJT)]
(wrap [fieldT (Modifier.isFinal [modifiers])]))
(&;fail (format "Field '" field-name "' of class '" class-name "' is static.")))))
(def: (analyse-object class analyse sourceC)
(-> Text &;Analyser Code (Lux [Type la;Analysis]))
(<| &common;with-var (function [[var-id varT]])
(do macro;Monad<Lux>
[target-class (load-class class)
targetT (java-type-to-lux-type fresh-mappings
(:! java.lang.reflect.Type
target-class))
sourceA (&;with-expected-type varT
(analyse sourceC))
sourceT (&;with-type-env
(tc;read var-id))
[unboxed castT] (cast targetT sourceT)
_ (&;assert (format "Object cannot be a primitive: " unboxed)
(text;empty? unboxed))]
(wrap [castT sourceA]))))
(def: (analyse-input analyse targetT sourceC)
(-> &;Analyser Type Code (Lux [Type Text la;Analysis]))
(<| &common;with-var (function [[var-id varT]])
(do macro;Monad<Lux>
[sourceA (&;with-expected-type varT
(analyse sourceC))
sourceT (&;with-type-env
(tc;read var-id))
[unboxed castT] (cast targetT sourceT)]
(wrap [castT unboxed sourceA]))))
(def: (static-get proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list classC fieldC))
(case [classC fieldC]
[[_ (#;Text class)] [_ (#;Text field)]]
(do macro;Monad<Lux>
[[fieldT final?] (static-field class field)
expectedT macro;expected-type
[unboxed castT] (cast expectedT fieldT)
_ (&;with-type-env
(tc;check expectedT castT))]
(wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed)))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +2 (list;size args))))))
(def: (static-put proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list classC fieldC valueC))
(case [classC fieldC]
[[_ (#;Text class)] [_ (#;Text field)]]
(do macro;Monad<Lux>
[[fieldT final?] (static-field class field)
_ (&;assert (Final-Field (format class "#" field))
(not final?))
[valueT unboxed valueA] (analyse-input analyse fieldT valueC)
_ (&;with-type-env
(tc;check fieldT valueT))
_ (&;infer Unit)]
(wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) valueA))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +3 (list;size args))))))
(def: (virtual-get proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list classC fieldC objectC))
(case [classC fieldC]
[[_ (#;Text class)] [_ (#;Text field)]]
(do macro;Monad<Lux>
[[objectT objectA] (analyse-object class analyse objectC)
[fieldT final?] (virtual-field class field objectT)
expectedT macro;expected-type
[unboxed castT] (cast expectedT fieldT)
_ (&;with-type-env
(tc;check expectedT castT))]
(wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) objectA))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +3 (list;size args))))))
(def: (virtual-put proc)
(-> Text @;Proc)
(function [analyse args]
(case args
(^ (list classC fieldC valueC objectC))
(case [classC fieldC]
[[_ (#;Text class)] [_ (#;Text field)]]
(do macro;Monad<Lux>
[[objectT objectA] (analyse-object class analyse objectC)
[fieldT final?] (virtual-field class field objectT)
_ (&;assert (Final-Field (format class "#" field))
(not final?))
[valueT unboxed valueA] (analyse-input analyse fieldT valueC)
_ (&;with-type-env
(tc;check fieldT valueT))
_ (&;infer Unit)]
(wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) valueA objectA))))
_
(&;fail (format "Wrong syntax for '" proc "'.")))
_
(&;fail (@;wrong-arity proc +4 (list;size args))))))
(def: member-procs
@;Bundle
(<| (@;prefix "member")
(|> (dict;new text;Hash<Text>)
(dict;merge (<| (@;prefix "static")
(|> (dict;new text;Hash<Text>)
(@;install "get" static-get)
(@;install "put" static-put)
)))
(dict;merge (<| (@;prefix "virtual")
(|> (dict;new text;Hash<Text>)
(@;install "get" virtual-get)
(@;install "put" virtual-put)
)))
)))
(def: #export procedures
@;Bundle
(<| (@;prefix "jvm")
(|> (dict;new text;Hash<Text>)
(dict;merge conversion-procs)
(dict;merge int-procs)
(dict;merge long-procs)
(dict;merge float-procs)
(dict;merge double-procs)
(dict;merge char-procs)
(dict;merge array-procs)
(dict;merge object-procs)
(dict;merge member-procs)
)))
|