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-rw-r--r--stdlib/source/lux/data/error/exception.lux2
-rw-r--r--stdlib/source/lux/data/format/json.lux70
-rw-r--r--stdlib/source/lux/data/struct/vector.lux15
-rw-r--r--stdlib/source/lux/lexer.lux2
-rw-r--r--stdlib/source/lux/macro/poly.lux44
-rw-r--r--stdlib/source/lux/macro/syntax/common.lux27
-rw-r--r--stdlib/source/lux/math/random.lux10
-rw-r--r--stdlib/source/lux/type.lux97
8 files changed, 142 insertions, 125 deletions
diff --git a/stdlib/source/lux/data/error/exception.lux b/stdlib/source/lux/data/error/exception.lux
index be9a09327..c3e9143e2 100644
--- a/stdlib/source/lux/data/error/exception.lux
+++ b/stdlib/source/lux/data/error/exception.lux
@@ -35,7 +35,7 @@
(#;Right (then error))
(#;Left error))))
-(def: #export (else to-do try)
+(def: #export (otherwise to-do try)
(All [a]
(-> (-> Text a) (Error a) a))
(case try
diff --git a/stdlib/source/lux/data/format/json.lux b/stdlib/source/lux/data/format/json.lux
index c51e4b04c..d48b5b97a 100644
--- a/stdlib/source/lux/data/format/json.lux
+++ b/stdlib/source/lux/data/format/json.lux
@@ -67,8 +67,8 @@
wrapper (lambda [x] (` (;;json (~ x))))]
(case token
(^template [<ast-tag> <ctor> <json-tag>]
- [_ (<ast-tag> value)]
- (wrap (list (` (: JSON (<json-tag> (~ (<ctor> value))))))))
+ [_ (<ast-tag> value)]
+ (wrap (list (` (: JSON (<json-tag> (~ (<ctor> value))))))))
([#;BoolS ast;bool #Boolean]
[#;IntS (|>. int-to-real ast;real) #Number]
[#;RealS ast;real #Number]
@@ -109,7 +109,7 @@
(def: (show-array show-json elems)
(-> (-> JSON Text) (-> Array Text))
(format "["
- (|> elems (Vector/map show-json) vector;vector-to-list (text;join-with ","))
+ (|> elems (Vector/map show-json) vector;to-list (text;join-with ","))
"]"))
(def: (show-object show-json object)
@@ -125,8 +125,8 @@
(-> JSON Text)
(case json
(^template [<tag> <show>]
- (<tag> value)
- (<show> value))
+ (<tag> value)
+ (<show> value))
([#Null show-null]
[#Boolean show-boolean]
[#Number show-number]
@@ -316,7 +316,7 @@
_ (lexer;this-char <close>)]
(wrap (<prep> elems))))]
- [array~ Array #"[" #"]" (json~ []) vector;list-to-vector]
+ [array~ Array #"[" #"]" (json~ []) vector;from-list]
[object~ Object #"{" #"}" (kv~ json~) (dict;from-list text;Hash<Text>)]
)
@@ -485,7 +485,7 @@
(case json
(#Array values)
(do Monad<Error>
- [elems (mapM @ parser (vector;vector-to-list values))]
+ [elems (mapM @ parser (vector;to-list values))]
(wrap elems))
_
@@ -631,8 +631,8 @@
true
(^template [<tag> <struct>]
- [(<tag> x') (<tag> y')]
- (:: <struct> = x' y'))
+ [(<tag> x') (<tag> y')]
+ (:: <struct> = x' y'))
([#Boolean bool;Eq<Bool>]
[#Number number;Eq<Real>]
[#String text;Eq<Text>])
@@ -719,18 +719,18 @@
(All [a b] (-> (-> a b) (List a) (List b)))
List/map)
-(poly: #export (|Codec@JSON//encode| *env* :x:)
+(poly: #export (Codec<JSON,?>//encode *env* :x:)
(let [->Codec//encode (: (-> AST AST)
(lambda [.type.] (` (-> (~ .type.) JSON))))]
(let% [<basic> (do-template [<type> <matcher> <encoder>]
[(do @ [_ (<matcher> :x:)] (wrap (` (: (~ (->Codec//encode (` <type>))) <encoder>))))]
[Unit poly;unit (lambda [(~ (ast;symbol ["" "0"]))] #Null)]
- [Bool poly;bool ;;boolean]
- [Int poly;int (|>. int-to-real ;;number)]
- [Real poly;real ;;number]
- [Char poly;char (|>. char;->Text ;;string)]
- [Text poly;text ;;string])]
+ [Bool poly;bool ;;gen-boolean]
+ [Int poly;int (|>. ;int-to-real ;;gen-number)]
+ [Real poly;real ;;gen-number]
+ [Char poly;char (|>. char;as-text ;;gen-string)]
+ [Text poly;text ;;gen-string])]
($_ compiler;either
<basic>
(with-gensyms [g!type-fun g!case g!input g!key g!val]
@@ -745,7 +745,7 @@
_
(compiler;fail ""))
#let [new-*env* (poly;extend-env g!type-fun g!vars *env*)]
- .val. (|Codec@JSON//encode| new-*env* :val:)
+ .val. (Codec<JSON,?>//encode new-*env* :val:)
#let [:x:+ (case g!vars
#;Nil
(->Codec//encode (type;type-to-ast :x:))
@@ -767,14 +767,14 @@
))
(do @
[:sub: (poly;maybe :x:)
- .sub. (|Codec@JSON//encode| *env* :sub:)]
+ .sub. (Codec<JSON,?>//encode *env* :sub:)]
(wrap (` (: (~ (->Codec//encode (type;type-to-ast :x:)))
- (;;nullable (~ .sub.))))))
+ (;;gen-nullable (~ .sub.))))))
(do @
[:sub: (poly;list :x:)
- .sub. (|Codec@JSON//encode| *env* :sub:)]
+ .sub. (Codec<JSON,?>//encode *env* :sub:)]
(wrap (` (: (~ (->Codec//encode (type;type-to-ast :x:)))
- (|>. (_map_ (~ .sub.)) vector;list-to-vector ;;array)))))
+ (|>. (_map_ (~ .sub.)) vector;from-list ;;gen-array)))))
(with-gensyms [g!type-fun g!case g!input]
(do @
[[g!vars cases] (poly;variant :x:)
@@ -783,7 +783,7 @@
(lambda [[name :case:]]
(do @
[#let [tag (ast;tag name)]
- encoder (|Codec@JSON//encode| new-*env* :case:)]
+ encoder (Codec<JSON,?>//encode new-*env* :case:)]
(wrap (list (` ((~ tag) (~ g!case)))
(` (;;json [(~ (ast;text (product;right name)))
((~ encoder) (~ g!case))]))))))
@@ -808,7 +808,7 @@
synthesis (mapM @
(lambda [[name :slot:]]
(do @
- [encoder (|Codec@JSON//encode| new-*env* :slot:)]
+ [encoder (Codec<JSON,?>//encode new-*env* :slot:)]
(wrap [(` (~ (ast;text (product;right name))))
(` ((~ encoder) (get@ (~ (ast;tag name)) (~ g!input))))])))
slots)
@@ -824,7 +824,7 @@
(lambda [(~@ g!vars) (~ g!input)]
(;;json (~ (ast;record synthesis))))
)))))
- (with-gensyms [g!type-fun g!case g!input]
+ (with-gensyms [g!type-fun g!case]
(do @
[[g!vars members] (poly;tuple :x:)
#let [new-*env* (poly;extend-env g!type-fun g!vars *env*)]
@@ -832,7 +832,7 @@
(lambda [:member:]
(do @
[g!member (compiler;gensym "g!member")
- encoder (|Codec@JSON//encode| new-*env* :member:)]
+ encoder (Codec<JSON,?>//encode new-*env* :member:)]
(wrap [g!member encoder])))
members)
#let [:x:+ (case g!vars
@@ -845,18 +845,16 @@
(~ (->Codec//encode (` ((~ (type;type-to-ast :x:)) (~@ g!vars)))))))))]
#let [.tuple. (` [(~@ (List/map product;left pattern-matching))])]]
(wrap (` (: (~ :x:+)
- (lambda [(~@ g!vars) (~ g!input)]
- (case (~ g!input)
- (~ .tuple.)
- (;;array (list (~@ (List/map (lambda [[g!member g!encoder]]
- (` ((~ g!encoder) (~ g!member))))
- pattern-matching))))))
+ (lambda [(~@ g!vars) (~ .tuple.)]
+ (;;json [(~@ (List/map (lambda [[g!member g!encoder]]
+ (` ((~ g!encoder) (~ g!member))))
+ pattern-matching))]))
)))
))
(do @
[[:func: :args:] (poly;apply :x:)
- .func. (|Codec@JSON//encode| *env* :func:)
- .args. (mapM @ (|Codec@JSON//encode| *env*) :args:)]
+ .func. (Codec<JSON,?>//encode *env* :func:)
+ .args. (mapM @ (Codec<JSON,?>//encode *env*) :args:)]
(wrap (` (: (~ (->Codec//encode (type;type-to-ast :x:)))
((~ .func.) (~@ .args.))))))
(poly;bound *env* :x:)
@@ -869,7 +867,7 @@
(let% [<basic> (do-template [<type> <matcher> <decoder>]
[(do @ [_ (<matcher> :x:)] (wrap (` (: (~ (->Codec//decode (` <type>))) <decoder>))))]
- [Unit poly;unit ;;null]
+ [Unit poly;unit ;;unit]
[Bool poly;bool ;;bool]
[Int poly;int ;;int]
[Real poly;real ;;real]
@@ -931,8 +929,8 @@
[#let [tag (ast;tag name)]
decoder (Codec<JSON,?>//decode new-*env* :case:)]
(wrap (list (` (do Monad<Parser>
- [(~ g!_) (;;at 0 (;;text! (~ (ast;text (product;right name)))))
- (~ g!_) (;;at 1 (~ decoder))]
+ [(~ g!_) (;;at +0 (;;text! (~ (ast;text (product;right name)))))
+ (~ g!_) (;;at +1 (~ decoder))]
((~ (' wrap)) ((~ tag) (~ g!_)))))))))
cases)
#let [:x:+ (case g!vars
@@ -1026,6 +1024,6 @@
(syntax: #export (Codec<JSON,?> :x:)
(wrap (list (` (: (Codec JSON (~ :x:))
(struct
- (def: (~ (' encode)) (|Codec@JSON//encode| (~ :x:)))
+ (def: (~ (' encode)) (Codec<JSON,?>//encode (~ :x:)))
(def: (~ (' decode)) (Codec<JSON,?>//decode (~ :x:)))
))))))
diff --git a/stdlib/source/lux/data/struct/vector.lux b/stdlib/source/lux/data/struct/vector.lux
index 4b8fb4bf3..9c04bc173 100644
--- a/stdlib/source/lux/data/struct/vector.lux
+++ b/stdlib/source/lux/data/struct/vector.lux
@@ -365,12 +365,11 @@
(struct: #export (Eq<Vector> Eq<a>) (All [a] (-> (Eq a) (Eq (Vector a))))
(def: (= v1 v2)
(and (=+ (get@ #size v1) (get@ #size v2))
- (:: (Eq<Node> Eq<a>) =
- (#Base (get@ #tail v1))
- (#Base (get@ #tail v2)))
- (:: (Eq<Node> Eq<a>) =
- (#Hierarchy (get@ #root v1))
- (#Hierarchy (get@ #root v2))))))
+ (let [(^open "Node/") (Eq<Node> Eq<a>)]
+ (and (Node/= (#Base (get@ #tail v1))
+ (#Base (get@ #tail v2)))
+ (Node/= (#Hierarchy (get@ #root v1))
+ (#Hierarchy (get@ #root v2))))))))
(struct: _ (Fold Node)
(def: (fold f init xs)
@@ -436,9 +435,9 @@
(struct: #export _ (Monad Vector)
(def: applicative Applicative<Vector>)
- (def: (join ffa)
+ (def: join
(let [(^open) Functor<Vector>
(^open) Fold<Vector>
(^open) Monoid<Vector>]
- (fold append unit ffa)))
+ (fold append unit)))
)
diff --git a/stdlib/source/lux/lexer.lux b/stdlib/source/lux/lexer.lux
index 654259d8d..77ce0ce93 100644
--- a/stdlib/source/lux/lexer.lux
+++ b/stdlib/source/lux/lexer.lux
@@ -4,7 +4,7 @@
## You can obtain one at http://mozilla.org/MPL/2.0/.
(;module:
- [lux #- not]
+ [lux #- not default]
(lux (control functor
applicative
monad
diff --git a/stdlib/source/lux/macro/poly.lux b/stdlib/source/lux/macro/poly.lux
index ac7043f26..914575cc0 100644
--- a/stdlib/source/lux/macro/poly.lux
+++ b/stdlib/source/lux/macro/poly.lux
@@ -9,7 +9,7 @@
[eq])
(data [text]
text/format
- (struct [list "List/" Monad<List>]
+ (struct [list "List/" Fold<List> Monad<List>]
[dict #+ Dict])
[number]
[product]
@@ -140,7 +140,7 @@
_
(:: compiler;Monad<Lux> wrap [(;list) :type:])))))
-(do-template [<combinator> <sub-comb>]
+(do-template [<combinator> <sub-comb> <build>]
[(def: #export <combinator>
(Matcher [(List AST) (List [Ident Type])])
(lambda [:type:]
@@ -148,11 +148,17 @@
[[tags :type:] (tagged :type:)
_ (compiler;assert (>+ +0 (list;size tags)) "Records and variants must have tags.")
[vars :type:] (polymorphic :type:)
- members (<sub-comb> :type:)]
- (wrap [vars (list;zip2 tags members)]))))]
-
- [variant sum+]
- [record prod+]
+ members (<sub-comb> :type:)
+ #let [num-tags (list;size tags)
+ [init-tags last-tag] (list;split (dec+ num-tags) tags)
+ [init-types last-types] (list;split (dec+ num-tags) members)]]
+ (wrap [vars (list;concat (;list (list;zip2 init-tags init-types)
+ (;list [(default (undefined)
+ (list;head last-tag))
+ (<build> last-types)])))]))))]
+
+ [variant sum+ type;variant]
+ [record prod+ type;tuple]
)
(def: #export tuple
@@ -301,35 +307,21 @@
(def: (common-poly-name? poly-func)
(-> Text Bool)
- (and (text;starts-with? "|" poly-func)
- (text;ends-with? "|" poly-func)))
+ (text;contains? "?" poly-func))
(def: (derivation-name poly args)
(-> Text (List Text) (Maybe Text))
(if (common-poly-name? poly)
- (case (text;sub +1 (dec+ (text;size poly)) poly)
- (#;Some clean-poly)
- (case (list;reverse args)
- #;Nil
- #;None
-
- (#;Cons type #;Nil)
- (#;Some (format type "/" clean-poly))
-
- (#;Cons type args)
- (#;Some (format type "/" clean-poly "@" (|> args list;reverse (text;join-with ",")))))
-
- #;None
- #;None)
+ (#;Some (List/fold (text;replace-once "?") poly args))
#;None))
(syntax: #export (derived: {_ex-lev common;export-level}
{?name (s;opt s;local-symbol)}
- {[poly-func poly-args] (s;either (s;form (s;seq s;symbol (s;many s;symbol)))
- (s;seq s;symbol (:: @ wrap (;list))))}
+ {[poly-func poly-args] (s;form (s;seq s;symbol (s;many s;symbol)))}
{?custom-impl (s;opt s;any)})
(do @
- [name (case ?name
+ [poly-args (mapM @ compiler;normalize poly-args)
+ name (case ?name
(#;Some name)
(wrap name)
diff --git a/stdlib/source/lux/macro/syntax/common.lux b/stdlib/source/lux/macro/syntax/common.lux
index 743768fe6..6cec7f713 100644
--- a/stdlib/source/lux/macro/syntax/common.lux
+++ b/stdlib/source/lux/macro/syntax/common.lux
@@ -7,7 +7,9 @@
lux
(lux (control monad)
(data (struct [list])
- text/format)
+ text/format
+ [ident "Ident/" Eq<Ident>]
+ [product])
[compiler]
(macro [ast]
["s" syntax #+ syntax: Syntax])))
@@ -104,18 +106,17 @@
(def: (find-def-args meta-data)
(-> (List [Ident AST]) (List Text))
(default (list)
- (list;find (lambda [[tag value]]
- (case tag
- (^=> ["lux" "func-args"]
- {(s;run (list value) list-meta^)
- (#;Right [_ args])}
- {(s;run args (s;some text-meta^))
- (#;Right [_ args])})
- (#;Some args)
-
- _
- #;None))
- meta-data)))
+ (case (list;find (|>. product;left (Ident/= ["lux" "func-args"])) meta-data)
+ (^=> (#;Some [_ value])
+ {(s;run (list value) list-meta^)
+ (#;Right [_ args])}
+ {(s;run args (s;some text-meta^))
+ (#;Right [_ args])})
+ (#;Some args)
+
+ _
+ #;None)
+ ))
(def: #export (def compiler)
(-> Compiler (Syntax Def-Syntax))
diff --git a/stdlib/source/lux/math/random.lux b/stdlib/source/lux/math/random.lux
index aee5674ad..41481a284 100644
--- a/stdlib/source/lux/math/random.lux
+++ b/stdlib/source/lux/math/random.lux
@@ -174,6 +174,16 @@
(wrap sample)
(filter pred gen))))
+(def: #export (maybe value-gen)
+ (All [a] (-> (Random a) (Random (Maybe a))))
+ (do Monad<Random>
+ [some? bool]
+ (if some?
+ (do @
+ [value value-gen]
+ (wrap (#;Some value)))
+ (wrap #;None))))
+
(do-template [<name> <type> <zero> <plus>]
[(def: #export (<name> size value-gen)
(All [a] (-> Nat (Random a) (Random (<type> a))))
diff --git a/stdlib/source/lux/type.lux b/stdlib/source/lux/type.lux
index 4a84582c4..fbd269daa 100644
--- a/stdlib/source/lux/type.lux
+++ b/stdlib/source/lux/type.lux
@@ -22,24 +22,24 @@
(#;HostT name (List/map (beta-reduce env) params))
(^template [<tag>]
- (<tag> left right)
- (<tag> (beta-reduce env left) (beta-reduce env right)))
+ (<tag> left right)
+ (<tag> (beta-reduce env left) (beta-reduce env right)))
([#;SumT] [#;ProdT])
(^template [<tag>]
- (<tag> left right)
- (<tag> (beta-reduce env left) (beta-reduce env right)))
+ (<tag> left right)
+ (<tag> (beta-reduce env left) (beta-reduce env right)))
([#;LambdaT]
[#;AppT])
(^template [<tag>]
- (<tag> old-env def)
- (case old-env
- #;Nil
- (<tag> env def)
+ (<tag> old-env def)
+ (case old-env
+ #;Nil
+ (<tag> env def)
- _
- type))
+ _
+ type))
([#;UnivQ]
[#;ExQ])
@@ -65,17 +65,17 @@
(list;zip2 xparams yparams)))
(^template [<tag>]
- [<tag> <tag>]
- true)
+ [<tag> <tag>]
+ true)
([#;VoidT] [#;UnitT])
(^template [<tag>]
- [(<tag> xid) (<tag> yid)]
- (=+ yid xid))
+ [(<tag> xid) (<tag> yid)]
+ (=+ yid xid))
([#;VarT] [#;ExT] [#;BoundT])
(^or [(#;LambdaT xleft xright) (#;LambdaT yleft yright)]
- [(#;AppT xleft xright) (#;AppT yleft yright)])
+ [(#;AppT xleft xright) (#;AppT yleft yright)])
(and (= xleft yleft)
(= xright yright))
@@ -85,12 +85,12 @@
(= xtype ytype))
(^template [<tag>]
- [(<tag> xL xR) (<tag> yL yR)]
- (and (= xL yL) (= xR yR)))
+ [(<tag> xL xR) (<tag> yL yR)]
+ (and (= xL yL) (= xR yR)))
([#;SumT] [#;ProdT])
(^or [(#;UnivQ xenv xbody) (#;UnivQ yenv ybody)]
- [(#;ExQ xenv xbody) (#;ExQ yenv ybody)])
+ [(#;ExQ xenv xbody) (#;ExQ yenv ybody)])
(and (=+ (list;size yenv) (list;size xenv))
(= xbody ybody)
(List/fold (lambda [[x y] prev] (and prev (= x y)))
@@ -140,8 +140,8 @@
(-> Type Type (Maybe Type))
(case type-fun
(^template [<tag>]
- (<tag> env body)
- (#;Some (beta-reduce (list& type-fun param env) body)))
+ (<tag> env body)
+ (#;Some (beta-reduce (list& type-fun param env) body)))
([#;UnivQ] [#;ExQ])
(#;AppT F A)
@@ -163,24 +163,24 @@
(list (~@ (List/map type-to-ast params)))))
(^template [<tag>]
- <tag>
- (` <tag>))
+ <tag>
+ (` <tag>))
([#;VoidT] [#;UnitT])
(^template [<tag>]
- (<tag> idx)
- (` (<tag> (~ (ast;nat idx)))))
+ (<tag> idx)
+ (` (<tag> (~ (ast;nat idx)))))
([#;VarT] [#;ExT] [#;BoundT])
(^template [<tag>]
- (<tag> left right)
- (` (<tag> (~ (type-to-ast left))
- (~ (type-to-ast right)))))
+ (<tag> left right)
+ (` (<tag> (~ (type-to-ast left))
+ (~ (type-to-ast right)))))
([#;LambdaT] [#;AppT])
(^template [<tag> <macro> <flattener>]
- (<tag> left right)
- (` (<macro> (~@ (List/map type-to-ast (<flattener> type))))))
+ (<tag> left right)
+ (` (<macro> (~@ (List/map type-to-ast (<flattener> type))))))
([#;SumT | flatten-sum]
[#;ProdT & flatten-prod])
@@ -188,9 +188,9 @@
(ast;symbol name)
(^template [<tag>]
- (<tag> env body)
- (` (<tag> (list (~@ (List/map type-to-ast env)))
- (~ (type-to-ast body)))))
+ (<tag> env body)
+ (` (<tag> (list (~@ (List/map type-to-ast env)))
+ (~ (type-to-ast body)))))
([#;UnivQ] [#;ExQ])
))
@@ -212,14 +212,14 @@
"Unit"
(^template [<tag> <open> <close> <flatten>]
- (<tag> _)
- ($_ Text/append <open>
- (|> (<flatten> type)
- (List/map type-to-text)
- list;reverse
- (list;interpose " ")
- (List/fold Text/append ""))
- <close>))
+ (<tag> _)
+ ($_ Text/append <open>
+ (|> (<flatten> type)
+ (List/map type-to-text)
+ list;reverse
+ (list;interpose " ")
+ (List/fold Text/append ""))
+ <close>))
([#;SumT "(| " ")" flatten-sum]
[#;ProdT "[" "]" flatten-prod])
@@ -273,3 +273,20 @@
_
type))
+
+(do-template [<name> <base> <ctor>]
+ [(def: #export (<name> types)
+ (-> (List Type) Type)
+ (case types
+ #;Nil
+ <base>
+
+ (#;Cons type #;Nil)
+ type
+
+ (#;Cons type types')
+ (<ctor> type (<name> types'))))]
+
+ [variant Void #;SumT]
+ [tuple Unit #;ProdT]
+ )