diff options
Diffstat (limited to 'stdlib')
-rw-r--r-- | stdlib/source/lux/data/format/json/codec.lux | 78 | ||||
-rw-r--r-- | stdlib/source/lux/macro/poly/eq.lux | 13 | ||||
-rw-r--r-- | stdlib/source/lux/type/check.lux | 98 |
3 files changed, 124 insertions, 65 deletions
diff --git a/stdlib/source/lux/data/format/json/codec.lux b/stdlib/source/lux/data/format/json/codec.lux index 073d3636b..8a50757bf 100644 --- a/stdlib/source/lux/data/format/json/codec.lux +++ b/stdlib/source/lux/data/format/json/codec.lux @@ -9,6 +9,7 @@ codec ["p" parser "p/" Monad<Parser>]) (data [bool] + [bit] [text "text/" Eq<Text> Monoid<Text>] (text ["l" lexer]) [number "real/" Codec<Text,Real> "nat/" Codec<Text,Nat>] @@ -19,6 +20,9 @@ (coll [list "L/" Fold<List> Monad<List>] [vector #+ Vector vector "Vector/" Monad<Vector>] ["d" dict])) + (time ["i" instant] + ["du" duration] + ["da" date]) [macro #+ Monad<Lux> with-gensyms] (macro ["s" syntax #+ syntax:] [code] @@ -131,16 +135,16 @@ (def: string~ (l;Lexer ..;String) (<| (l;enclosed ["\"" "\""]) - (loop [_ []] - (do p;Monad<Parser> - [chars (l;some (l;none-of "\\\"")) - stop l;peek] - (if (text/= "\\" stop) - (do @ - [escaped escaped~ - next-chars (recur [])] - (wrap ($_ text/append chars escaped next-chars))) - (wrap chars)))))) + (loop [_ []]) + (do p;Monad<Parser> + [chars (l;some (l;none-of "\\\"")) + stop l;peek]) + (if (text/= "\\" stop) + (do @ + [escaped escaped~ + next-chars (recur [])] + (wrap ($_ text/append chars escaped next-chars))) + (wrap chars)))) (def: (kv~ json~) (-> (-> Unit (l;Lexer JSON)) (l;Lexer [..;String JSON])) @@ -191,6 +195,28 @@ (function [input] (non-rec (rec-encode non-rec) input))) +(def: low-mask Nat (|> +1 (bit;shift-left +32) n.dec)) +(def: high-mask Nat (|> low-mask (bit;shift-left +32))) + +(struct: #hidden _ (Codec JSON Nat) + (def: (encode input) + (let [high (|> input (bit;and high-mask) (bit;unsigned-shift-right +32)) + low (bit;and low-mask input)] + (..;array (vector (|> high nat-to-int int-to-real #..;Number) + (|> low nat-to-int int-to-real #..;Number))))) + (def: (decode input) + (<| (../reader;run input) + (do p;Monad<Parser> + [high ../reader;number + low ../reader;number]) + (wrap (n.+ (|> high real-to-int int-to-nat (bit;shift-left +32)) + (|> low real-to-int int-to-nat)))))) + +(struct: #hidden _ (Codec JSON Int) + (def: encode (|>. int-to-nat (:: Codec<JSON,Nat> encode))) + (def: decode + (|>. (:: Codec<JSON,Nat> decode) (:: R;Functor<Result> map nat-to-int)))) + (poly: #hidden Codec<JSON,?>//encode (with-expansions [<basic> (do-template [<type> <matcher> <encoder>] @@ -201,8 +227,21 @@ [Unit poly;unit (function [(~ (code;symbol ["" "0"]))] #..;Null)] [Bool poly;bool ..;boolean] + [Nat poly;nat (:: ;;Codec<JSON,Nat> (~' encode))] + [Int poly;int (:: ;;Codec<JSON,Int> (~' encode))] [Real poly;real ..;number] - [Text poly;text ..;string])] + [Text poly;text ..;string]) + <time> (do-template [<type> <codec>] + [(do @ + [_ (poly;named (ident-for <type>))] + (wrap (` (: (~ (@JSON//encode inputT)) + (|>. (:: <codec> (~' encode)) ..;string)))))] + + [du;Duration du;Codec<Text,Duration>] + [i;Instant i;Codec<Text,Instant>] + [da;Date da;Codec<Text,Date>] + [da;Day da;Codec<Text,Day>] + [da;Month da;Codec<Text,Month>])] (do @ [*env* poly;env #let [@JSON//encode (: (-> Type Code) @@ -211,6 +250,7 @@ inputT poly;peek] ($_ p;either <basic> + <time> (do @ [#let [g!key (code;local-symbol "\u0000key") g!val (code;local-symbol "\u0000val")] @@ -294,8 +334,21 @@ [Unit poly;unit ../reader;null] [Bool poly;bool ../reader;boolean] + [Nat poly;nat (p;codec ;;Codec<JSON,Nat> ../reader;any)] + [Int poly;int (p;codec ;;Codec<JSON,Int> ../reader;any)] [Real poly;real ../reader;number] - [Text poly;text ../reader;string])] + [Text poly;text ../reader;string]) + <time> (do-template [<type> <codec>] + [(do @ + [_ (poly;named (ident-for <type>))] + (wrap (` (: (~ (@JSON//decode inputT)) + (p;codec <codec> ../reader;string)))))] + + [du;Duration du;Codec<Text,Duration>] + [i;Instant i;Codec<Text,Instant>] + [da;Date da;Codec<Text,Date>] + [da;Day da;Codec<Text,Day>] + [da;Month da;Codec<Text,Month>])] (do @ [*env* poly;env #let [@JSON//decode (: (-> Type Code) @@ -304,6 +357,7 @@ inputT poly;peek] ($_ p;either <basic> + <time> (do @ [[_ _ valC] (poly;apply ($_ p;seq (poly;named (ident-for d;Dict)) diff --git a/stdlib/source/lux/macro/poly/eq.lux b/stdlib/source/lux/macro/poly/eq.lux index 3b00591a8..b4d1a5231 100644 --- a/stdlib/source/lux/macro/poly/eq.lux +++ b/stdlib/source/lux/macro/poly/eq.lux @@ -38,7 +38,7 @@ (wrap (` (: (~ (@Eq inputT)) <eq>))))] - [poly;unit (function [(~' test) (~' input)] true)] + [poly;unit (function [(~ g!_) (~ g!_)] true)] [poly;bool bool;Eq<Bool>] [poly;nat number;Eq<Nat>] [poly;int number;Eq<Int>] @@ -52,8 +52,10 @@ <eq>))))] [du;Duration du;Eq<Duration>] + [i;Instant i;Eq<Instant>] [da;Date da;Eq<Date>] - [i;Instant i;Eq<Instant>]) + [da;Day da;Eq<Day>] + [da;Month da;Eq<Month>]) <composites> (do-template [<name> <eq>] [(do @ [[_ argC] (poly;apply (p;seq (poly;named (ident-for <name>)) @@ -71,7 +73,8 @@ [rose;Tree rose;Eq<Tree>] )] (do @ - [*env* poly;env + [#let [g!_ (code;local-symbol "\u0000_")] + *env* poly;env inputT poly;peek #let [@Eq (: (-> Type Code) (function [type] @@ -107,7 +110,9 @@ (list (` [((~ (code;nat tag)) (~ g!left)) ((~ (code;nat tag)) (~ g!right))]) (` ((~ g!eq) (~ g!left) (~ g!right))))) - (list;enumerate members)))))))))) + (list;enumerate members)))) + (~ g!_) + false)))))) ## Tuples (do @ [g!eqs (poly;tuple (p;many Eq<?>)) diff --git a/stdlib/source/lux/type/check.lux b/stdlib/source/lux/type/check.lux index fa73186af..0e77e6633 100644 --- a/stdlib/source/lux/type/check.lux +++ b/stdlib/source/lux/type/check.lux @@ -14,7 +14,7 @@ [type "Type/" Eq<Type>] )) -(type: #export Fixed (List [[Type Type] Bool])) +(type: #export Assumptions (List [[Type Type] Bool])) (type: #export (Check a) (-> Type-Context (R;Result [Type-Context a]))) @@ -342,17 +342,17 @@ (#R;Error _) (right context)))) -(def: (fx-get [e a] fixed) - (-> [Type Type] Fixed (Maybe Bool)) +(def: (assumed? [e a] assumptions) + (-> [Type Type] Assumptions (Maybe Bool)) (:: Monad<Maybe> map product;right (list;find (function [[[fe fa] status]] (and (Type/= e fe) (Type/= a fa))) - fixed))) + assumptions))) -(def: (fx-put ea status fixed) - (-> [Type Type] Bool Fixed Fixed) - (#;Cons [ea status] fixed)) +(def: (assume! ea status assumptions) + (-> [Type Type] Bool Assumptions Assumptions) + (#;Cons [ea status] assumptions)) (def: (on-var id type then else) (All [a] @@ -365,15 +365,15 @@ [bound (read-var id)] (else bound)))) -(def: #export (check' expected actual fixed) +(def: #export (check' expected actual assumptions) {#;doc "Type-check to ensure that the 'expected' type subsumes the 'actual' type."} - (-> Type Type Fixed (Check Fixed)) + (-> Type Type Assumptions (Check Assumptions)) (if (is expected actual) - (Check/wrap fixed) + (Check/wrap assumptions) (case [expected actual] [(#;Var e-id) (#;Var a-id)] (if (n.= e-id a-id) - (Check/wrap fixed) + (Check/wrap assumptions) (do Monad<Check> [ebound (attempt (read-var e-id)) abound (attempt (read-var a-id))] @@ -381,138 +381,138 @@ [#;None #;None] (do @ [_ (write-var e-id actual)] - (wrap fixed)) + (wrap assumptions)) [(#;Some etype) #;None] - (check' etype actual fixed) + (check' etype actual assumptions) [#;None (#;Some atype)] - (check' expected atype fixed) + (check' expected atype assumptions) [(#;Some etype) (#;Some atype)] - (check' etype atype fixed)))) + (check' etype atype assumptions)))) [(#;Var id) _] - (on-var id actual (Check/wrap fixed) + (on-var id actual (Check/wrap assumptions) (function [bound] - (check' bound actual fixed))) + (check' bound actual assumptions))) [_ (#;Var id)] - (on-var id expected (Check/wrap fixed) + (on-var id expected (Check/wrap assumptions) (function [bound] - (check' expected bound fixed))) + (check' expected bound assumptions))) [(#;Apply eA (#;Ex eid)) (#;Apply aA (#;Ex aid))] (if (n.= eid aid) - (check' eA aA fixed) + (check' eA aA assumptions) (fail-check expected actual)) [(#;Apply A1 (#;Var id)) (#;Apply A2 F2)] (either (do Monad<Check> [F1 (read-var id)] - (check' (#;Apply A1 F1) actual fixed)) + (check' (#;Apply A1 F1) actual assumptions)) (do Monad<Check> - [fixed (check' (#;Var id) F2 fixed) + [assumptions (check' (#;Var id) F2 assumptions) e' (apply-type! F2 A1) a' (apply-type! F2 A2)] - (check' e' a' fixed))) + (check' e' a' assumptions))) [(#;Apply A1 F1) (#;Apply A2 (#;Var id))] (either (do Monad<Check> [F2 (read-var id)] - (check' expected (#;Apply A2 F2) fixed)) + (check' expected (#;Apply A2 F2) assumptions)) (do Monad<Check> - [fixed (check' F1 (#;Var id) fixed) + [assumptions (check' F1 (#;Var id) assumptions) e' (apply-type! F1 A1) a' (apply-type! F1 A2)] - (check' e' a' fixed))) + (check' e' a' assumptions))) [(#;Apply A F) _] (let [fx-pair [expected actual]] - (case (fx-get fx-pair fixed) + (case (assumed? fx-pair assumptions) (#;Some ?) (if ? - (Check/wrap fixed) + (Check/wrap assumptions) (fail-check expected actual)) #;None (do Monad<Check> [expected' (apply-type! F A)] - (check' expected' actual (fx-put fx-pair true fixed))))) + (check' expected' actual (assume! fx-pair true assumptions))))) [_ (#;Apply A F)] (do Monad<Check> [actual' (apply-type! F A)] - (check' expected actual' fixed)) + (check' expected actual' assumptions)) [(#;UnivQ _) _] (do Monad<Check> [[ex-id ex] existential expected' (apply-type! expected ex)] - (check' expected' actual fixed)) + (check' expected' actual assumptions)) [_ (#;UnivQ _)] (with-var (function [[var-id var]] (do Monad<Check> [actual' (apply-type! actual var) - fixed (check' expected actual' fixed) + assumptions (check' expected actual' assumptions) _ (clean var-id expected)] - (Check/wrap fixed)))) + (Check/wrap assumptions)))) [(#;ExQ e!env e!def) _] (with-var (function [[var-id var]] (do Monad<Check> [expected' (apply-type! expected var) - fixed (check' expected' actual fixed) + assumptions (check' expected' actual assumptions) _ (clean var-id actual)] - (Check/wrap fixed)))) + (Check/wrap assumptions)))) [_ (#;ExQ a!env a!def)] (do Monad<Check> [[ex-id ex] existential actual' (apply-type! actual ex)] - (check' expected actual' fixed)) + (check' expected actual' assumptions)) [(#;Host e-name e-params) (#;Host a-name a-params)] (if (and (Text/= e-name a-name) (n.= (list;size e-params) (list;size a-params))) (do Monad<Check> - [fixed (M;fold Monad<Check> - (function [[e a] fixed] (check' e a fixed)) - fixed + [assumptions (M;fold Monad<Check> + (function [[e a] assumptions] (check' e a assumptions)) + assumptions (list;zip2 e-params a-params))] - (Check/wrap fixed)) + (Check/wrap assumptions)) (fail-check expected actual)) (^template [<unit> <append>] [<unit> <unit>] - (Check/wrap fixed) + (Check/wrap assumptions) [(<append> eL eR) (<append> aL aR)] (do Monad<Check> - [fixed (check' eL aL fixed)] - (check' eR aR fixed))) + [assumptions (check' eL aL assumptions)] + (check' eR aR assumptions))) ([#;Void #;Sum] [#;Unit #;Product]) [(#;Function eI eO) (#;Function aI aO)] (do Monad<Check> - [fixed (check' aI eI fixed)] - (check' eO aO fixed)) + [assumptions (check' aI eI assumptions)] + (check' eO aO assumptions)) [(#;Ex e!id) (#;Ex a!id)] (if (n.= e!id a!id) - (Check/wrap fixed) + (Check/wrap assumptions) (fail-check expected actual)) [(#;Named _ ?etype) _] - (check' ?etype actual fixed) + (check' ?etype actual assumptions) [_ (#;Named _ ?atype)] - (check' expected ?atype fixed) + (check' expected ?atype assumptions) _ (fail-check expected actual)))) @@ -521,7 +521,7 @@ {#;doc "Type-check to ensure that the 'expected' type subsumes the 'actual' type."} (-> Type Type (Check Unit)) (do Monad<Check> - [fixed (check' expected actual (list))] + [assumptions (check' expected actual (list))] (wrap []))) (def: #export (checks? expected actual) |