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authorEduardo Julian2018-05-05 20:42:41 -0400
committerEduardo Julian2018-05-05 20:42:41 -0400
commit3c93d7a3aabaa49c67f9a498bc0d70f0af7f09d0 (patch)
tree33aea74291323d5084ff70797337150b947962a8 /luxc
parent88e2aee41d91deed941acc1ef650ccd3dd0334a2 (diff)
- Removed Void and Unit as kinds of types.
- Changed the value of "unit" in the old LuxC to match the one in new-luxc.
Diffstat (limited to 'luxc')
-rw-r--r--luxc/src/lux/analyser.clj2
-rw-r--r--luxc/src/lux/analyser/base.clj2
-rw-r--r--luxc/src/lux/analyser/case.clj46
-rw-r--r--luxc/src/lux/analyser/lux.clj4
-rw-r--r--luxc/src/lux/analyser/module.clj17
-rw-r--r--luxc/src/lux/analyser/proc/common.clj10
-rw-r--r--luxc/src/lux/analyser/proc/jvm.clj14
-rw-r--r--luxc/src/lux/analyser/record.clj2
-rw-r--r--luxc/src/lux/base.clj92
-rw-r--r--luxc/src/lux/compiler/cache/type.clj21
-rw-r--r--luxc/src/lux/compiler/jvm/proc/host.clj57
-rw-r--r--luxc/src/lux/host.clj7
-rw-r--r--luxc/src/lux/type.clj76
-rw-r--r--luxc/src/lux/type/host.clj75
14 files changed, 225 insertions, 200 deletions
diff --git a/luxc/src/lux/analyser.clj b/luxc/src/lux/analyser.clj
index 1202d4faf..5a50be1fa 100644
--- a/luxc/src/lux/analyser.clj
+++ b/luxc/src/lux/analyser.clj
@@ -201,7 +201,7 @@
;; [Resources]
(defn analyse [optimize eval! compile-module compilers]
(|do [asts &parser/parse]
- (&/flat-map% (partial analyse-ast optimize eval! compile-module compilers &/$Void) asts)))
+ (&/flat-map% (partial analyse-ast optimize eval! compile-module compilers &type/Bottom) asts)))
(defn clean-output [?var analysis]
(|do [:let [[[?output-type ?output-cursor] ?output-term] analysis]
diff --git a/luxc/src/lux/analyser/base.clj b/luxc/src/lux/analyser/base.clj
index 8c82fe1cf..d0c856ffc 100644
--- a/luxc/src/lux/analyser/base.clj
+++ b/luxc/src/lux/analyser/base.clj
@@ -74,7 +74,7 @@
(return ?module))]
(return (&/T [module* ?name]))))
-(let [tag-names #{"Primitive" "Void" "Unit" "Sum" "Product" "Function" "Bound" "Var" "Ex" "UnivQ" "ExQ" "Apply" "Named"}]
+(let [tag-names #{"Primitive" "Sum" "Product" "Function" "Bound" "Var" "Ex" "UnivQ" "ExQ" "Apply" "Named"}]
(defn type-tag? [module name]
(and (= "lux" module)
(contains? tag-names name))))
diff --git a/luxc/src/lux/analyser/case.clj b/luxc/src/lux/analyser/case.clj
index 434a0f78a..ff00f1aa8 100644
--- a/luxc/src/lux/analyser/case.clj
+++ b/luxc/src/lux/analyser/case.clj
@@ -38,24 +38,26 @@
(&/T [(&/T ["" -1 -1]) (&/$Tuple &/$Nil)]))
(defn ^:private resolve-type [type]
- (|case type
- (&/$Var ?id)
- (|do [type* (&/try-all% (&/|list (&type/deref ?id)
- (&/fail-with-loc "##1##")))]
- (resolve-type type*))
-
- (&/$UnivQ _)
- (|do [$var &type/existential
- =type (&type/apply-type type $var)]
- (&type/actual-type =type))
-
- (&/$ExQ _ _)
- (|do [$var &type/existential
- =type (&type/apply-type type $var)]
- (&type/actual-type =type))
+ (if (&type/type= &type/Top type)
+ (return type)
+ (|case type
+ (&/$Var ?id)
+ (|do [type* (&/try-all% (&/|list (&type/deref ?id)
+ (&/fail-with-loc "##1##")))]
+ (resolve-type type*))
+
+ (&/$UnivQ _)
+ (|do [$var &type/existential
+ =type (&type/apply-type type $var)]
+ (&type/actual-type =type))
+
+ (&/$ExQ _ _)
+ (|do [$var &type/existential
+ =type (&type/apply-type type $var)]
+ (&type/actual-type =type))
- _
- (&type/actual-type type)))
+ _
+ (&type/actual-type type))))
(defn update-up-frame [frame]
(|let [[_env _idx _var] frame]
@@ -239,9 +241,6 @@
(&/$Named ?name ?type)
(adjust-type* up ?type)
- (&/$Unit)
- (return type)
-
_
(&/fail-with-loc (str "[Pattern-matching Error] Cannot pattern-match against type: " (&type/show-type type)))
))
@@ -302,7 +301,7 @@
(&/$Tuple ?members)
(|case ?members
(&/$Nil)
- (|do [_ (&type/check value-type &/$Unit)
+ (|do [_ (&type/check value-type &type/Top)
=kont kont]
(return (&/T [($TupleTestAC (&/|list)) =kont])))
@@ -580,11 +579,8 @@
(|case ?structs
(&/$Nil)
(|do [value-type* (resolve-type value-type)]
- (|case value-type*
- (&/$Unit)
+ (if (&type/type= &type/Top value-type*)
(return true)
-
- _
(&/fail-with-loc "[Pattern-maching Error] Unit is not total.")))
_
diff --git a/luxc/src/lux/analyser/lux.clj b/luxc/src/lux/analyser/lux.clj
index df5cfb789..efbf68e54 100644
--- a/luxc/src/lux/analyser/lux.clj
+++ b/luxc/src/lux/analyser/lux.clj
@@ -45,7 +45,7 @@
;; [Exports]
(defn analyse-unit [analyse ?exo-type]
(|do [_cursor &/cursor
- _ (&type/check ?exo-type &/$Unit)]
+ _ (&type/check ?exo-type &type/Top)]
(return (&/|list (&&/|meta ?exo-type _cursor
(&&/$tuple (&/|list)))))))
@@ -690,7 +690,7 @@
(return (&/|list (coerce ==type =value)))))
(let [input-type (&/$Apply &type/Text &type/List)
- output-type (&/$Apply &/$Unit &type/IO)]
+ output-type (&/$Apply &type/Top &type/IO)]
(defn analyse-program [analyse optimize compile-program ?args ?body]
(|do [_ &/ensure-statement
=body (&/with-scope ""
diff --git a/luxc/src/lux/analyser/module.clj b/luxc/src/lux/analyser/module.clj
index 8468249ab..fca407c4b 100644
--- a/luxc/src/lux/analyser/module.clj
+++ b/luxc/src/lux/analyser/module.clj
@@ -48,8 +48,9 @@
))
(do-template [<flagger> <asker> <tag>]
- (do (defn <flagger> [module-name]
- "(-> Text (Lux Unit))"
+ (do (defn <flagger>
+ "(-> Text (Lux Top))"
+ [module-name]
(fn [state]
(let [state* (&/update$ &/$modules
(fn [modules]
@@ -59,8 +60,9 @@
modules))
state)]
(&/$Right (&/T [state* &/unit-tag])))))
- (defn <asker> [module-name]
+ (defn <asker>
"(-> Text (Lux Bool))"
+ [module-name]
(fn [state]
(if-let [=module (->> state (&/get$ &/$modules) (&/|get module-name))]
(&/$Right (&/T [state (|case (&/get$ $module-state =module)
@@ -380,7 +382,7 @@
state)))))
(defn ensure-can-see-tag
- "(-> Text Text (Lux Unit))"
+ "(-> Text Text (Lux Top))"
[module tag-name]
(|do [current-module &/get-module-name]
(fn [state]
@@ -463,8 +465,8 @@
_
(&/fail-with-loc "[Analyser Error] No import meta-data.")))
-(def tag-groups
- "(Lux (List [Text (List Text)]))"
+(def ^{:doc "(Lux (List [Text (List Text)]))"}
+ tag-groups
(|do [module &/get-current-module]
(return (&/|map (fn [pair]
(|case pair
@@ -473,5 +475,4 @@
(|let [[t-prefix t-name] tag]
t-name))
tags)])))
- (&/get$ $types module)))
- ))
+ (&/get$ $types module)))))
diff --git a/luxc/src/lux/analyser/proc/common.clj b/luxc/src/lux/analyser/proc/common.clj
index e3cb5a4c8..94eadb72c 100644
--- a/luxc/src/lux/analyser/proc/common.clj
+++ b/luxc/src/lux/analyser/proc/common.clj
@@ -289,7 +289,7 @@
^:private analyse-nat-to-int &type/Nat &type/Int ["nat" "to-int"]
^:private analyse-int-to-nat &type/Int &type/Nat ["int" "to-nat"]
- ^:private analyse-nat-char &type/Nat &type/Text ["nat" "char"]
+ ^:private analyse-nat-char &type/Nat &type/Text ["nat" "char"]
^:private analyse-int-to-frac &type/Int &type/Frac ["int" "to-frac"]
^:private analyse-frac-to-int &type/Frac &type/Int ["frac" "to-int"]
@@ -297,7 +297,7 @@
^:private analyse-deg-to-frac &type/Deg &type/Frac ["deg" "to-frac"]
^:private analyse-frac-to-deg &type/Frac &type/Deg ["frac" "to-deg"]
- ^:private analyse-io-log &type/Text &/$Unit ["io" "log"]
+ ^:private analyse-io-log &type/Text &type/Top ["io" "log"]
^:private analyse-io-error &type/Text &type/Bottom ["io" "error"]
^:private analyse-io-exit &type/Int &type/Bottom ["io" "exit"]
)
@@ -459,7 +459,7 @@
(|do [:let [(&/$Cons valueC (&/$Cons boxC (&/$Nil))) ?values]
boxA (&&/analyse-1 analyse (&type/Box threadT valueT) boxC)
valueA (&&/analyse-1 analyse valueT valueC)
- _ (&type/check exo-type &/$Unit)
+ _ (&type/check exo-type &type/Top)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&&/$proc (&/T ["box" "write"]) (&/|list valueA boxA) (&/|list)))))))))))
@@ -474,7 +474,7 @@
(defn ^:private analyse-process-future [analyse exo-type ?values]
(|do [:let [(&/$Cons ?procedure (&/$Nil)) ?values]
=procedure (&&/analyse-1 analyse (&/$Apply &type/Top &type/IO) ?procedure)
- _ (&type/check exo-type &/$Unit)
+ _ (&type/check exo-type &type/Top)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&&/$proc (&/T ["process" "future"]) (&/|list =procedure) (&/|list)))))))
@@ -483,7 +483,7 @@
(|do [:let [(&/$Cons ?milliseconds (&/$Cons ?procedure (&/$Nil))) ?values]
=milliseconds (&&/analyse-1 analyse &type/Nat ?milliseconds)
=procedure (&&/analyse-1 analyse (&/$Apply &type/Top &type/IO) ?procedure)
- _ (&type/check exo-type &/$Unit)
+ _ (&type/check exo-type &type/Top)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
(&&/$proc (&/T ["process" "schedule"]) (&/|list =milliseconds =procedure) (&/|list)))))))
diff --git a/luxc/src/lux/analyser/proc/jvm.clj b/luxc/src/lux/analyser/proc/jvm.clj
index 8d926f437..2eef1082c 100644
--- a/luxc/src/lux/analyser/proc/jvm.clj
+++ b/luxc/src/lux/analyser/proc/jvm.clj
@@ -194,7 +194,7 @@
"float" (return (&/$Primitive "java.lang.Float" &/$Nil))
"double" (return (&/$Primitive "java.lang.Double" &/$Nil))
"char" (return (&/$Primitive "java.lang.Character" &/$Nil))
- "void" (return &/$Unit)
+ "void" (return &type/Top)
;; else
(|do [=params (&/map% (partial generic-class->type env) params)]
(return (&/$Primitive name =params))))
@@ -252,7 +252,7 @@
itype (generic-class->type full-env itype*)]
(if (double-register-gclass? itype*)
(&&env/with-local iname itype
- (&&env/with-local "" &/$Void
+ (&&env/with-local "" &type/Bottom
body*))
(&&env/with-local iname itype
body*)))))
@@ -265,7 +265,7 @@
(&/$ConstructorMethodSyntax =privacy-modifier ?strict ?anns ?gvars ?exceptions ?inputs ?ctor-args ?body)
(|do [method-env (make-type-env ?gvars)
:let [full-env (&/|++ class-env method-env)]
- :let [output-type &/$Unit]
+ :let [output-type &type/Top]
=ctor-args (&/map% (fn [ctor-arg]
(|do [:let [[ca-type ca-term] ctor-arg]
=ca-type (generic-class->type full-env ca-type)
@@ -673,7 +673,7 @@
:let [gclass (&host-type/gtype->gclass gtype)]
=type (&host-type/instance-param &type/existential &/$Nil gtype)
=value (&&/analyse-1 analyse =type value)
- :let [output-type &/$Unit]
+ :let [output-type &type/Top]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
@@ -690,7 +690,7 @@
:let [gclass (&host-type/gtype->gclass gtype)]
=type (analyse-field-access-helper obj-type gvars gtype)
=value (&&/analyse-1 analyse =type value)
- :let [output-type &/$Unit]
+ :let [output-type &type/Top]
_ (&type/check exo-type output-type)
_cursor &/cursor]
(return (&/|list (&&/|meta exo-type _cursor
@@ -829,7 +829,7 @@
_ (compile-interface interface-decl supers =anns =methods)
:let [_ (println 'INTERFACE (str module "." (&/|first interface-decl)))]
_cursor &/cursor]
- (return (&/|list (&&/|meta &/$Unit _cursor
+ (return (&/|list (&&/|meta &type/Top _cursor
(&&/$tuple (&/|list)))))))
(defn ^:private analyse-jvm-class [analyse compile-class class-decl super-class interfaces =inheritance-modifier =anns ?fields methods]
@@ -848,7 +848,7 @@
_ &/pop-dummy-name
:let [_ (println 'CLASS full-name)]
_cursor &/cursor]
- (return (&/|list (&&/|meta &/$Unit _cursor
+ (return (&/|list (&&/|meta &type/Top _cursor
(&&/$tuple (&/|list))))))))
(defn ^:private captured-source [env-entry]
diff --git a/luxc/src/lux/analyser/record.clj b/luxc/src/lux/analyser/record.clj
index ac9a0e64d..595858873 100644
--- a/luxc/src/lux/analyser/record.clj
+++ b/luxc/src/lux/analyser/record.clj
@@ -11,7 +11,7 @@
"(-> (List (, Syntax Syntax)) (Lux (List Syntax)))"
(|do [[tag-group tag-type] (|case pairs
(&/$Nil)
- (return (&/T [&/$Nil &/$Unit]))
+ (return (&/T [&/$Nil &type/Top]))
(&/$Cons [[_ (&/$Tag tag1)] _] _)
(|do [[module name] (&&/resolved-ident tag1)
diff --git a/luxc/src/lux/base.clj b/luxc/src/lux/base.clj
index 02942f4e0..25c331b94 100644
--- a/luxc/src/lux/base.clj
+++ b/luxc/src/lux/base.clj
@@ -10,7 +10,7 @@
(apply prn args)))
;; [Tags]
-(def unit-tag (.intern (str (char 0) "unit" (char 0))))
+(def unit-tag (.intern ""))
(defn T [elems]
(case (count elems)
@@ -86,8 +86,6 @@
;; Type
(defvariant
("Primitive" 2)
- ("Void" 0)
- ("Unit" 0)
("Sum" 2)
("Product" 2)
("Function" 2)
@@ -413,8 +411,9 @@
_
(assert false (prn-str '|map f (adt->text xs)))))
-(defn |empty? [xs]
+(defn |empty?
"(All [a] (-> (List a) Bool))"
+ [xs]
(|case xs
($Nil)
true
@@ -422,8 +421,9 @@
($Cons _ _)
false))
-(defn |filter [p xs]
+(defn |filter
"(All [a] (-> (-> a Bool) (List a) (List a)))"
+ [p xs]
(|case xs
($Nil)
xs
@@ -433,8 +433,9 @@
($Cons x (|filter p xs*))
(|filter p xs*))))
-(defn flat-map [f xs]
+(defn flat-map
"(All [a b] (-> (-> a (List b)) (List a) (List b)))"
+ [f xs]
(|case xs
($Nil)
xs
@@ -656,8 +657,9 @@
(return* state unit-tag)
(fail* msg)))))
-(defn |some [f xs]
+(defn |some
"(All [a b] (-> (-> a (Maybe b)) (List a) (Maybe b)))"
+ [f xs]
(|case xs
($Nil)
$None
@@ -782,8 +784,9 @@
(defn with-writer [writer body]
(with-jvm-host-slot $writer (fn [_] ($Some writer)) body))
-(defn with-type-env [type-env body]
+(defn with-type-env
"(All [a] (-> TypeEnv (Lux a) (Lux a)))"
+ [type-env body]
(with-jvm-host-slot $type-env (partial |++ type-env) body))
(defn push-dummy-name [real-name store-name]
@@ -853,17 +856,17 @@
($Left msg)
(fail* msg))))
-(defn in-eval? [mode]
- "(-> CompilerMode Bool)"
- (|case mode
- ($Eval) true
- _ false))
+(do-template [<name> <tag>]
+ (defn <name>
+ "(-> CompilerMode Bool)"
+ [mode]
+ (|case mode
+ (<tag>) true
+ _ false))
-(defn in-repl? [mode]
- "(-> CompilerMode Bool)"
- (|case mode
- ($REPL) true
- _ false))
+ in-eval? $Eval
+ in-repl? $REPL
+ )
(defn with-eval [body]
(fn [state]
@@ -924,16 +927,17 @@
($Some module-name)
(return* state module-name))))
-(defn find-module [name]
+(defn find-module
"(-> Text (Lux (Module Compiler)))"
+ [name]
(fn [state]
(if-let [module (|get name (get$ $modules state))]
(return* state module)
((fail-with-loc (str "[Error] Unknown module: " name))
state))))
-(def get-current-module
- "(Lux (Module Compiler))"
+(def ^{:doc "(Lux (Module Compiler))"}
+ get-current-module
(|do [module-name get-module-name]
(find-module module-name)))
@@ -1009,8 +1013,9 @@
_
output)))))
-(defn with-expected-type [type body]
+(defn with-expected-type
"(All [a] (-> Type (Lux a)))"
+ [type body]
(fn [state]
(let [output (body (set$ $expected ($Some type) state))]
(|case output
@@ -1021,8 +1026,9 @@
_
output))))
-(defn with-cursor [^objects cursor body]
+(defn with-cursor
"(All [a] (-> Cursor (Lux a)))"
+ [^objects cursor body]
(|let [[_file-name _ _] cursor]
(if (= "" _file-name)
body
@@ -1036,8 +1042,9 @@
_
output))))))
-(defn with-analysis-meta [^objects cursor type body]
+(defn with-analysis-meta
"(All [a] (-> Cursor Type (Lux a)))"
+ [^objects cursor type body]
(|let [[_file-name _ _] cursor]
(if (= "" _file-name)
(fn [state]
@@ -1065,8 +1072,8 @@
_
output))))))
-(def ensure-statement
- "(Lux Unit)"
+(def ^{:doc "(Lux Top)"}
+ ensure-statement
(fn [state]
(|case (get$ $expected state)
($None)
@@ -1297,8 +1304,9 @@
;; (assert false)
))
-(defn ^:private enumerate* [idx xs]
+(defn ^:private enumerate*
"(All [a] (-> Int (List a) (List (, Int a))))"
+ [idx xs]
(|case xs
($Cons x xs*)
($Cons (T [idx x])
@@ -1308,23 +1316,26 @@
xs
))
-(defn enumerate [xs]
+(defn enumerate
"(All [a] (-> (List a) (List (, Int a))))"
+ [xs]
(enumerate* 0 xs))
-(def modules
- "(Lux (List Text))"
+(def ^{:doc "(Lux (List Text))"}
+ modules
(fn [state]
(return* state (|keys (get$ $modules state)))))
-(defn when% [test body]
- "(-> Bool (Lux Unit) (Lux Unit))"
+(defn when%
+ "(-> Bool (Lux Top) (Lux Top))"
+ [test body]
(if test
body
(return unit-tag)))
-(defn |at [idx xs]
+(defn |at
"(All [a] (-> Int (List a) (Maybe a)))"
+ [idx xs]
(|case xs
($Cons x xs*)
(cond (< idx 0)
@@ -1337,11 +1348,11 @@
(|at (dec idx) xs*))
($Nil)
- $None
- ))
+ $None))
-(defn normalize [ident]
+(defn normalize
"(-> Ident (Lux Ident))"
+ [ident]
(|case ident
["" name] (|do [module get-module-name]
(return (T [module name])))
@@ -1367,8 +1378,9 @@
)))
(do-template [<name> <default> <op>]
- (defn <name> [p xs]
+ (defn <name>
"(All [a] (-> (-> a Bool) (List a) Bool))"
+ [p xs]
(|case xs
($Nil)
<default>
@@ -1379,14 +1391,16 @@
|every? true and
|any? false or)
-(defn m-comp [f g]
+(defn m-comp
"(All [a b c] (-> (-> b (Lux c)) (-> a (Lux b)) (-> a (Lux c))))"
+ [f g]
(fn [x]
(|do [y (g x)]
(f y))))
-(defn with-attempt [m-value on-error]
+(defn with-attempt
"(All [a] (-> (Lux a) (-> Text (Lux a)) (Lux a)))"
+ [m-value on-error]
(fn [state]
(|case (m-value state)
($Left msg)
diff --git a/luxc/src/lux/compiler/cache/type.clj b/luxc/src/lux/compiler/cache/type.clj
index 76cdbec52..338673807 100644
--- a/luxc/src/lux/compiler/cache/type.clj
+++ b/luxc/src/lux/compiler/cache/type.clj
@@ -26,12 +26,6 @@
(&/$Primitive name params)
(str "^" name stop (serialize-list serialize-type params))
- (&/$Void)
- "0"
-
- (&/$Unit)
- "1"
-
(&/$Product left right)
(str "*" (serialize-type left) (serialize-type right))
@@ -78,16 +72,9 @@
[(&/$Cons head tail) input*]))
))
-(do-template [<name> <signal> <type>]
- (defn <name> [^String input]
- (when (.startsWith input <signal>)
- [<type> (.substring input 1)]
- ))
-
- ^:private deserialize-void "0" &/$Void
- ^:private deserialize-unit "1" &/$Unit
- ^:private deserialize-type* "T" &type/Type
- )
+(defn ^:private deserialize-type* [^String input]
+ (when (.startsWith input "T")
+ [&type/Type (.substring input 1)]))
(do-template [<name> <signal> <type>]
(defn <name> [^String input]
@@ -142,8 +129,6 @@
"(-> Text Type)"
[input]
(or (deserialize-type* input)
- (deserialize-void input)
- (deserialize-unit input)
(deserialize-sum input)
(deserialize-prod input)
(deserialize-lambda input)
diff --git a/luxc/src/lux/compiler/jvm/proc/host.clj b/luxc/src/lux/compiler/jvm/proc/host.clj
index 041e72819..da2c5ccde 100644
--- a/luxc/src/lux/compiler/jvm/proc/host.clj
+++ b/luxc/src/lux/compiler/jvm/proc/host.clj
@@ -47,45 +47,44 @@
double-class "java.lang.Double"
char-class "java.lang.Character"]
(defn prepare-return! [^MethodVisitor *writer* *type*]
- (|case *type*
- (&/$Unit)
+ (if (&type/type= &type/Top *type*)
(.visitLdcInsn *writer* &/unit-tag)
+ (|case *type*
+ (&/$Primitive "boolean" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name boolean-class) "valueOf" (str "(Z)" (&host-generics/->type-signature boolean-class)))
+
+ (&/$Primitive "byte" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name byte-class) "valueOf" (str "(B)" (&host-generics/->type-signature byte-class)))
- (&/$Primitive "boolean" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name boolean-class) "valueOf" (str "(Z)" (&host-generics/->type-signature boolean-class)))
-
- (&/$Primitive "byte" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name byte-class) "valueOf" (str "(B)" (&host-generics/->type-signature byte-class)))
+ (&/$Primitive "short" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name short-class) "valueOf" (str "(S)" (&host-generics/->type-signature short-class)))
- (&/$Primitive "short" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name short-class) "valueOf" (str "(S)" (&host-generics/->type-signature short-class)))
+ (&/$Primitive "int" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name int-class) "valueOf" (str "(I)" (&host-generics/->type-signature int-class)))
- (&/$Primitive "int" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name int-class) "valueOf" (str "(I)" (&host-generics/->type-signature int-class)))
+ (&/$Primitive "long" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name long-class) "valueOf" (str "(J)" (&host-generics/->type-signature long-class)))
- (&/$Primitive "long" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name long-class) "valueOf" (str "(J)" (&host-generics/->type-signature long-class)))
+ (&/$Primitive "float" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name float-class) "valueOf" (str "(F)" (&host-generics/->type-signature float-class)))
- (&/$Primitive "float" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name float-class) "valueOf" (str "(F)" (&host-generics/->type-signature float-class)))
+ (&/$Primitive "double" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name double-class) "valueOf" (str "(D)" (&host-generics/->type-signature double-class)))
- (&/$Primitive "double" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name double-class) "valueOf" (str "(D)" (&host-generics/->type-signature double-class)))
+ (&/$Primitive "char" (&/$Nil))
+ (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name char-class) "valueOf" (str "(C)" (&host-generics/->type-signature char-class)))
+
+ (&/$Primitive _ _)
+ nil
- (&/$Primitive "char" (&/$Nil))
- (.visitMethodInsn *writer* Opcodes/INVOKESTATIC (&host-generics/->bytecode-class-name char-class) "valueOf" (str "(C)" (&host-generics/->type-signature char-class)))
-
- (&/$Primitive _ _)
- nil
+ (&/$Named ?name ?type)
+ (prepare-return! *writer* ?type)
- (&/$Named ?name ?type)
- (prepare-return! *writer* ?type)
+ (&/$Ex _)
+ nil
- (&/$Ex _)
- nil
-
- _
- (assert false (str 'prepare-return! " " (&type/show-type *type*))))
+ _
+ (assert false (str 'prepare-return! " " (&type/show-type *type*)))))
*writer*))
;; [Resources]
diff --git a/luxc/src/lux/host.clj b/luxc/src/lux/host.clj
index 97d2bd69d..3f0181c99 100644
--- a/luxc/src/lux/host.clj
+++ b/luxc/src/lux/host.clj
@@ -58,9 +58,6 @@
(&/$Function _ _)
(return (&host-generics/->type-signature function-class))
- (&/$Unit)
- (return "V")
-
(&/$Sum _)
(return object-array)
@@ -78,7 +75,9 @@
(return ex-type-class)
_
- (assert false (str '->java-sig " " (&type/show-type type)))
+ (if (&type/type= &type/Top type)
+ (return "V")
+ (assert false (str '->java-sig " " (&type/show-type type))))
)))
(do-template [<name> <static?>]
diff --git a/luxc/src/lux/type.clj b/luxc/src/lux/type.clj
index 76d580cb0..b9c5898a7 100644
--- a/luxc/src/lux/type.clj
+++ b/luxc/src/lux/type.clj
@@ -59,14 +59,14 @@
(def IO
(&/$Named (&/T ["lux/codata" "IO"])
(&/$UnivQ empty-env
- (&/$Function &/$Void (&/$Bound 1)))))
+ (&/$Function Bottom (&/$Bound 1)))))
(def List
(&/$Named (&/T ["lux" "List"])
(&/$UnivQ empty-env
(&/$Sum
;; lux;Nil
- &/$Unit
+ Top
;; lux;Cons
(&/$Product (&/$Bound 1)
(&/$Apply (&/$Bound 1)
@@ -77,7 +77,7 @@
(&/$UnivQ empty-env
(&/$Sum
;; lux;None
- &/$Unit
+ Top
;; lux;Some
(&/$Bound 1))
)))
@@ -87,46 +87,40 @@
(let [Type (&/$Apply (&/$Bound 1) (&/$Bound 0))
TypeList (&/$Apply Type List)
TypePair (&/$Product Type Type)]
- (&/$Apply &/$Void
+ (&/$Apply Bottom
(&/$UnivQ empty-env
(&/$Sum
;; Primitive
(&/$Product Text TypeList)
(&/$Sum
- ;; Void
- &/$Unit
+ ;; Sum
+ TypePair
(&/$Sum
- ;; Unit
- &/$Unit
+ ;; Product
+ TypePair
(&/$Sum
- ;; Sum
+ ;; Function
TypePair
(&/$Sum
- ;; Product
- TypePair
+ ;; Bound
+ Nat
(&/$Sum
- ;; Function
- TypePair
+ ;; Var
+ Nat
(&/$Sum
- ;; Bound
+ ;; Ex
Nat
(&/$Sum
- ;; Var
- Nat
+ ;; UnivQ
+ (&/$Product TypeList Type)
(&/$Sum
- ;; Ex
- Nat
+ ;; ExQ
+ (&/$Product TypeList Type)
(&/$Sum
- ;; UnivQ
- (&/$Product TypeList Type)
- (&/$Sum
- ;; ExQ
- (&/$Product TypeList Type)
- (&/$Sum
- ;; App
- TypePair
- ;; Named
- (&/$Product Ident Type)))))))))))))
+ ;; App
+ TypePair
+ ;; Named
+ (&/$Product Ident Type)))))))))))
)))))
(def Cursor
@@ -423,8 +417,8 @@
(&/$Nil)
<unit>))
- Variant$ &/$Sum &/$Void
- Tuple$ &/$Product &/$Unit
+ Variant$ &/$Sum Bottom
+ Tuple$ &/$Product Top
)
(defn show-type [^objects type]
@@ -437,12 +431,6 @@
_
(str "(primitive " (pr-str name) " " (->> params (&/|map show-type) (&/|interpose " ") (&/fold str "")) ")"))
- (&/$Void)
- "Void"
-
- (&/$Unit)
- "Unit"
-
(&/$Product _)
(str "[" (->> (flatten-prod type) (&/|map show-type) (&/|interpose " ") (&/fold str "")) "]")
@@ -492,12 +480,6 @@
(= (&/|length xparams) (&/|length yparams))
(&/fold2 #(and %1 (type= %2 %3)) true xparams yparams))
- [(&/$Void) (&/$Void)]
- true
-
- [(&/$Unit) (&/$Unit)]
- true
-
[(&/$Product xL xR) (&/$Product yL yR)]
(and (type= xL yL)
(type= xR yR))
@@ -834,12 +816,6 @@
(return fixpoints))
(check-error "" expected actual)))))
- [(&/$Void) (&/$Void)]
- (return fixpoints)
-
- [(&/$Unit) (&/$Unit)]
- (return fixpoints)
-
[(&/$Function eI eO) (&/$Function aI aO)]
(|do [fixpoints* (check* fixpoints invariant?? aI eI)]
(check* fixpoints* invariant?? eO aO))
@@ -947,8 +923,8 @@
(&/$Cons last prevs)
(&/fold (fn [r l] (<plus> l r)) last prevs)))
- fold-prod &/$Unit &/$Product
- fold-sum &/$Void &/$Sum
+ fold-prod Top &/$Product
+ fold-sum Bottom &/$Sum
)
(def create-var+
diff --git a/luxc/src/lux/type/host.clj b/luxc/src/lux/type/host.clj
index c4d4ef243..2e2db3bf6 100644
--- a/luxc/src/lux/type/host.clj
+++ b/luxc/src/lux/type/host.clj
@@ -8,6 +8,61 @@
TypeVariable
WildcardType)))
+(defn ^:private type= [x y]
+ (or (clojure.lang.Util/identical x y)
+ (let [output (|case [x y]
+ [(&/$Named [?xmodule ?xname] ?xtype) (&/$Named [?ymodule ?yname] ?ytype)]
+ (and (= ?xmodule ?ymodule)
+ (= ?xname ?yname))
+
+ [(&/$Primitive xname xparams) (&/$Primitive yname yparams)]
+ (and (.equals ^Object xname yname)
+ (= (&/|length xparams) (&/|length yparams))
+ (&/fold2 #(and %1 (type= %2 %3)) true xparams yparams))
+
+ [(&/$Product xL xR) (&/$Product yL yR)]
+ (and (type= xL yL)
+ (type= xR yR))
+
+ [(&/$Sum xL xR) (&/$Sum yL yR)]
+ (and (type= xL yL)
+ (type= xR yR))
+
+ [(&/$Function xinput xoutput) (&/$Function yinput youtput)]
+ (and (type= xinput yinput)
+ (type= xoutput youtput))
+
+ [(&/$Var xid) (&/$Var yid)]
+ (= xid yid)
+
+ [(&/$Bound xidx) (&/$Bound yidx)]
+ (= xidx yidx)
+
+ [(&/$Ex xid) (&/$Ex yid)]
+ (= xid yid)
+
+ [(&/$Apply xparam xlambda) (&/$Apply yparam ylambda)]
+ (and (type= xparam yparam) (type= xlambda ylambda))
+
+ [(&/$UnivQ xenv xbody) (&/$UnivQ yenv ybody)]
+ (type= xbody ybody)
+
+ [(&/$Named ?xname ?xtype) _]
+ (type= ?xtype y)
+
+ [_ (&/$Named ?yname ?ytype)]
+ (type= x ?ytype)
+
+ [_ _]
+ false
+ )]
+ output)))
+
+(def ^:private Top
+ (&/$Named (&/T ["lux" "Top"])
+ (&/$ExQ (&/|list)
+ (&/$Bound 1))))
+
;; [Exports]
(def array-data-tag "#Array")
(def null-data-tag "#Null")
@@ -82,7 +137,7 @@
(if-let [[_ _ arr-obrackets arr-obase simple-base arr-pbrackets arr-pbase] (re-find class-name-re gclass-name)]
(let [base (or arr-obase simple-base (jprim->lprim arr-pbase))]
(if (.equals "void" base)
- &/$Unit
+ Top
(reduce (fn [inner _] (&/$Primitive array-data-tag (&/|list inner)))
(&/$Primitive base (try (-> (Class/forName base) .getTypeParameters
seq count (repeat (&/$Primitive "java.lang.Object" &/$Nil))
@@ -126,15 +181,15 @@
(defn principal-class [refl-type]
(cond (instance? Class refl-type)
- (|case (class->type refl-type)
- (&/$Primitive "#Array" (&/$Cons (&/$Primitive class-name _) (&/$Nil)))
- (str "[" (&host-generics/->type-signature class-name))
-
- (&/$Primitive class-name _)
- (&host-generics/->type-signature class-name)
-
- (&/$Unit)
- "V")
+ (let [class-type (class->type refl-type)]
+ (if (type= Top class-type)
+ "V"
+ (|case class-type
+ (&/$Primitive "#Array" (&/$Cons (&/$Primitive class-name _) (&/$Nil)))
+ (str "[" (&host-generics/->type-signature class-name))
+
+ (&/$Primitive class-name _)
+ (&host-generics/->type-signature class-name))))
(instance? GenericArrayType refl-type)
(str "[" (principal-class (.getGenericComponentType ^GenericArrayType refl-type)))