From ede56371f52b63b92cf0dc35a22ae243053268c3 Mon Sep 17 00:00:00 2001 From: Eduardo Julian Date: Mon, 9 Oct 2017 01:46:36 -0400 Subject: - Improved polymorphism and inheritance support. - Added casting support for automatic boxing/unboxing. --- .../source/luxc/analyser/procedure/host.jvm.lux | 267 ++++++++++++++------- 1 file changed, 174 insertions(+), 93 deletions(-) (limited to 'new-luxc/source') diff --git a/new-luxc/source/luxc/analyser/procedure/host.jvm.lux b/new-luxc/source/luxc/analyser/procedure/host.jvm.lux index 8cb21e80c..a8af2748a 100644 --- a/new-luxc/source/luxc/analyser/procedure/host.jvm.lux +++ b/new-luxc/source/luxc/analyser/procedure/host.jvm.lux @@ -11,7 +11,7 @@ ["l" lexer]) (coll [list "list/" Fold Functor] [array #+ Array] - ["d" dict])) + [dict #+ Dict])) [macro "lux/" Monad] [type] (type ["tc" check]) @@ -53,7 +53,7 @@ (def: conversion-procs @;Bundle (<| (@;prefix "convert") - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "double-to-float" (@;unary Double Float)) (@;install "double-to-int" (@;unary Double Integer)) (@;install "double-to-long" (@;unary Double Long)) @@ -83,7 +83,7 @@ [(def: @;Bundle (<| (@;prefix ) - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "+" (@;binary )) (@;install "-" (@;binary )) (@;install "*" (@;binary )) @@ -108,7 +108,7 @@ [(def: @;Bundle (<| (@;prefix ) - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "+" (@;binary )) (@;install "-" (@;binary )) (@;install "*" (@;binary )) @@ -126,14 +126,14 @@ (def: char-procs @;Bundle (<| (@;prefix "char") - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "=" (@;binary Character Character Boolean)) (@;install "<" (@;binary Character Character Boolean)) (@;install ">" (@;binary Character Character Boolean)) ))) (def: #export boxes - (d;Dict Text Text) + (Dict Text Text) (|> (list ["boolean" "java.lang.Boolean"] ["byte" "java.lang.Byte"] ["short" "java.lang.Short"] @@ -142,7 +142,7 @@ ["float" "java.lang.Float"] ["double" "java.lang.Double"] ["char" "java.lang.Character"]) - (d;from-list text;Hash))) + (dict;from-list text;Hash))) (def: (array-length proc) (-> Text @;Proc) @@ -204,27 +204,25 @@ (-> Type Text) (format "Non-object type: " (%type type))) -(def: (check-object objectT) +(def: (check-jvm objectT) (-> Type (Lux Text)) (case objectT (#;Host name _) - (if (d;contains? name boxes) - (&;fail (format "Primitives are not objects: " name)) - (:: macro;Monad wrap name)) + (lux/wrap name) (#;Named name unnamed) - (check-object unnamed) + (check-jvm unnamed) (^template [] ( env unquantified) - (check-object unquantified)) + (check-jvm unquantified)) ([#;UnivQ] [#;ExQ]) (#;Apply inputT funcT) (case (type;apply (list inputT) funcT) (#;Some outputT) - (check-object outputT) + (check-jvm outputT) #;None (&;fail (not-object objectT))) @@ -232,19 +230,27 @@ _ (&;fail (not-object objectT)))) +(def: (check-object objectT) + (-> Type (Lux Text)) + (do macro;Monad + [name (check-jvm objectT)] + (if (dict;contains? name boxes) + (&;fail (format "Primitives are not objects: " name)) + (:: macro;Monad wrap name)))) + (def: (box-array-element-type elemT) (-> Type (Lux [Type Text])) (do macro;Monad [] (case elemT (#;Host name #;Nil) - (let [boxed-name (|> (d;get name boxes) + (let [boxed-name (|> (dict;get name boxes) (default name))] (wrap [(#;Host boxed-name #;Nil) boxed-name])) (#;Host name _) - (if (d;contains? name boxes) + (if (dict;contains? name boxes) (&;fail (format "Primitives cannot be parameterized: " name)) (:: macro;Monad wrap [elemT name])) @@ -298,7 +304,7 @@ (def: array-procs @;Bundle (<| (@;prefix "array") - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "length" array-length) (@;install "new" array-new) (@;install "read" array-read) @@ -491,7 +497,7 @@ (def: object-procs @;Bundle (<| (@;prefix "object") - (|> (d;new text;Hash) + (|> (dict;new text;Hash) (@;install "null" object-null) (@;install "null?" object-null?) (@;install "synchronized" object-synchronized) @@ -505,7 +511,7 @@ (exception: #export Cannot-Convert-To-Class) (exception: #export Cannot-Convert-To-Lux-Type) (exception: #export Cannot-Cast-To-Primitive) -(exception: #export Cannot-Cast-From-Primitive) +(exception: #export JVM-Type-Is-Not-Class) (def: type-descriptor (-> java.lang.reflect.Type Text) @@ -522,65 +528,118 @@ ## else (&;throw Cannot-Convert-To-Class (type-descriptor type)))) -(def: (java-type-to-lux-type java-type) - (-> java.lang.reflect.Type (Lux Type)) - (cond (host;instance? Class java-type) - (let [class-name (Class.getName [] (:! (Class Object) java-type))] - (lux/wrap (#;Host class-name (list)))) +(exception: #export Unknown-Type-Var) + +(type: Mappings + (Dict Text Type)) + +(def: fresh-mappings Mappings (dict;new text;Hash)) + +(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) - (java-type-to-lux-type (ParameterizedType.getRawType [] (:! ParameterizedType java-type))) + (let [java-type (:! ParameterizedType java-type) + raw (ParameterizedType.getRawType [] java-type)] + (if (host;instance? Class raw) + (do macro;Monad + [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 - [#let [innerJT (GenericArrayType.getGenericComponentType [] (:! GenericArrayType java-type))] - innerT (java-type-to-lux-type innerJT)] + [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: (up-cast super sub) - (-> Type Type (Lux Type)) +(def: (cast to from) + (-> Type Type (Lux [Text Type])) (do macro;Monad - [super-name (check-object super) - sub-name (check-object sub)] - (cond (d;contains? super-name boxes) - (&;throw Cannot-Cast-To-Primitive super-name) - - (d;contains? sub-name boxes) - (&;throw Cannot-Cast-From-Primitive sub-name) - - (text/= super-name sub-name) - (wrap sub) - - (text/= null-class sub-name) - (wrap super) + [to-name (check-jvm to) + from-name (check-jvm from)] + (cond (dict;contains? to-name boxes) + (let [box (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 (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 @ - [super-class (load-class super-name) - sub-class (load-class sub-name) - _ (&;assert (format "Class '" sub-name "' is not a sub-class of class '" super-name "'.") - (Class.isAssignableFrom [sub-class] super-class)) + [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 [sub-class] super-class)]))) - (list& (Class.getGenericSuperclass [] sub-class) - (array;to-list (Class.getGenericInterfaces [] sub-class))))] + (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 parent)] - (up-cast super parentT)) - + [parentT (java-type-to-lux-type fresh-mappings parent)] + (cast to parentT)) + #;Nil - (&;fail (format "No valid path between " (%type sub) "and " (%type super) "."))))))) + (&;fail (format "No valid path between " (%type from) "and " (%type to) "."))))))) (def: (find-field class-name field-name) (-> Text Text (Lux [(Class Object) Field])) @@ -593,7 +652,7 @@ (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 "'."))))) @@ -605,20 +664,39 @@ (if (Modifier.isStatic [modifiers]) (let [fieldJT (Field.getGenericType [] fieldJ)] (do @ - [fieldT (java-type-to-lux-type fieldJT)] + [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 [[class fieldJ] (find-field class-name field-name) #let [modifiers (Field.getModifiers [] fieldJ)]] (if (not (Modifier.isStatic [modifiers])) - (let [fieldJT (Field.getGenericType [] fieldJ)] - (do @ - [fieldT (java-type-to-lux-type fieldJT)] - (wrap [fieldT (Modifier.isFinal [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)))) + + _ + (&;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) @@ -626,25 +704,28 @@ (<| &common;with-var (function [[var-id varT]]) (do macro;Monad [target-class (load-class class) - targetT (java-type-to-lux-type (:! java.lang.reflect.Type + targetT (java-type-to-lux-type fresh-mappings + (:! java.lang.reflect.Type target-class)) sourceA (&;with-expected-type varT (analyse sourceC)) sourceT (&;within-type-env (tc;read-var var-id)) - castT (up-cast targetT sourceT)] + [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 la;Analysis])) + (-> &;Analyser Type Code (Lux [Type Text la;Analysis])) (<| &common;with-var (function [[var-id varT]]) (do macro;Monad [sourceA (&;with-expected-type varT (analyse sourceC)) sourceT (&;within-type-env (tc;read-var var-id)) - castT (up-cast targetT sourceT)] - (wrap [castT sourceA])))) + [unboxed castT] (cast targetT sourceT)] + (wrap [castT unboxed sourceA])))) (def: (static-get proc) (-> Text @;Proc) @@ -656,10 +737,10 @@ (do macro;Monad [[fieldT final?] (static-field class field) expectedT macro;expected-type - castT (up-cast expectedT fieldT) + [unboxed castT] (cast expectedT fieldT) _ (&;within-type-env (tc;check expectedT castT))] - (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field))))) + (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed))))) _ (&;fail (format "Wrong syntax for '" proc "'."))) @@ -678,11 +759,11 @@ [[fieldT final?] (static-field class field) _ (&;assert (Final-Field (format class "#" field)) (not final?)) - [valueT valueA] (analyse-input analyse fieldT valueC) + [valueT unboxed valueA] (analyse-input analyse fieldT valueC) _ (&;within-type-env (tc;check fieldT valueT)) _ (&;infer Unit)] - (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) valueA)))) + (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) valueA)))) _ (&;fail (format "Wrong syntax for '" proc "'."))) @@ -701,10 +782,10 @@ [[objectT objectA] (analyse-object class analyse objectC) [fieldT final?] (virtual-field class field objectT) expectedT macro;expected-type - castT (up-cast expectedT fieldT) + [unboxed castT] (cast expectedT fieldT) _ (&;within-type-env (tc;check expectedT castT))] - (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) objectA)))) + (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) objectA)))) _ (&;fail (format "Wrong syntax for '" proc "'."))) @@ -724,11 +805,11 @@ [fieldT final?] (virtual-field class field objectT) _ (&;assert (Final-Field (format class "#" field)) (not final?)) - [valueT valueA] (analyse-input analyse fieldT valueC) + [valueT unboxed valueA] (analyse-input analyse fieldT valueC) _ (&;within-type-env (tc;check fieldT valueT)) _ (&;infer Unit)] - (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) valueA objectA)))) + (wrap (#la;Procedure proc (list (#la;Text class) (#la;Text field) (#la;Text unboxed) valueA objectA)))) _ (&;fail (format "Wrong syntax for '" proc "'."))) @@ -739,30 +820,30 @@ (def: member-procs @;Bundle (<| (@;prefix "member") - (|> (d;new text;Hash) - (d;merge (<| (@;prefix "static") - (|> (d;new text;Hash) - (@;install "get" static-get) - (@;install "put" static-put) - ))) - (d;merge (<| (@;prefix "virtual") - (|> (d;new text;Hash) - (@;install "get" virtual-get) - (@;install "put" virtual-put) - ))) + (|> (dict;new text;Hash) + (dict;merge (<| (@;prefix "static") + (|> (dict;new text;Hash) + (@;install "get" static-get) + (@;install "put" static-put) + ))) + (dict;merge (<| (@;prefix "virtual") + (|> (dict;new text;Hash) + (@;install "get" virtual-get) + (@;install "put" virtual-put) + ))) ))) (def: #export procedures @;Bundle (<| (@;prefix "jvm") - (|> (d;new text;Hash) - (d;merge conversion-procs) - (d;merge int-procs) - (d;merge long-procs) - (d;merge float-procs) - (d;merge double-procs) - (d;merge char-procs) - (d;merge array-procs) - (d;merge object-procs) - (d;merge member-procs) + (|> (dict;new text;Hash) + (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) ))) -- cgit v1.2.3