diff options
Diffstat (limited to 'source')
-rw-r--r-- | source/lux.lux | 181 |
1 files changed, 113 insertions, 68 deletions
diff --git a/source/lux.lux b/source/lux.lux index 111aac611..637c4607f 100644 --- a/source/lux.lux +++ b/source/lux.lux @@ -22,6 +22,9 @@ (def' Void (#VariantT #Nil)) (export' Void) +(def' Ident (#TupleT (#Cons [Text (#Cons [Text #Nil])]))) +(export' Ident) + ## (deftype (List a) ## (| #Nil ## (#Cons (, a (List a))))) @@ -137,23 +140,20 @@ Syntax (case' (#AppT [List Syntax]) SyntaxList - (case' (#TupleT (#Cons [Text (#Cons [Text #Nil])])) - Ident - (#AllT [#None "Syntax'" "w" - (#VariantT (#Cons [["lux;Bool" Bool] - (#Cons [["lux;Int" Int] - (#Cons [["lux;Real" Real] - (#Cons [["lux;Char" Char] - (#Cons [["lux;Text" Text] - (#Cons [["lux;Symbol" Ident] - (#Cons [["lux;Tag" Ident] - (#Cons [["lux;Form" SyntaxList] - (#Cons [["lux;Tuple" SyntaxList] - (#Cons [["lux;Record" (#AppT [List (#TupleT (#Cons [Syntax (#Cons [Syntax #Nil])]))])] - #Nil]) - ])])])])])])])])]) - )]) - )))) + (#AllT [#None "Syntax'" "w" + (#VariantT (#Cons [["lux;Bool" Bool] + (#Cons [["lux;Int" Int] + (#Cons [["lux;Real" Real] + (#Cons [["lux;Char" Char] + (#Cons [["lux;Text" Text] + (#Cons [["lux;Symbol" Ident] + (#Cons [["lux;Tag" Ident] + (#Cons [["lux;Form" SyntaxList] + (#Cons [["lux;Tuple" SyntaxList] + (#Cons [["lux;Record" (#AppT [List (#TupleT (#Cons [Syntax (#Cons [Syntax #Nil])]))])] + #Nil]) + ])])])])])])])])]) + )])))) (export' Syntax') ## (deftype Syntax @@ -209,13 +209,15 @@ ## (deftype (DefData' m) ## (| #TypeD ## (#ValueD Type) -## (#MacroD m))) +## (#MacroD m) +## (#AliasD Ident))) (def' DefData' (#AllT [#None "DefData'" "" (#VariantT (#Cons [["lux;TypeD" (#TupleT #Nil)] (#Cons [["lux;ValueD" Type] (#Cons [["lux;MacroD" (#BoundT "")] - #Nil])])]))])) + (#Cons [["lux;AliasD" Ident] + #Nil])])])]))])) ## (deftype #rec CompilerState ## (& #source (Maybe Reader) @@ -297,10 +299,6 @@ (lambda' _ state (#Left msg))))) -(def' Ident - (#TupleT (#Cons [Text (#Cons [Text #Nil])]))) -(export' Ident) - (def' $text (:' (#LambdaT [Text Syntax]) (lambda' _ text @@ -835,7 +833,6 @@ (wrap-meta ($form (list ($tag ["lux" "Text"]) (_meta (#Text value))))) (#Meta [_ (#Tag [module name])]) - (case' name) (let [module' (case' module "" subst @@ -1191,39 +1188,6 @@ (let [[module name] ident] ($ text:++ module ";" name))) -(defmacro #export (| tokens) - (do Lux:Monad - [pairs (map% Lux:Monad - (:' (-> Syntax ($' Lux Syntax)) - (lambda [token] - (case' token - (#Meta [_ (#Tag ident)]) - (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (;,)]))) - - (#Meta [_ (#Form (#Cons [(#Meta [_ (#Tag ident)]) (#Cons [value #Nil])]))]) - (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (~ value)]))) - - _ - (fail "Wrong syntax for |")))) - tokens)] - (;return (:' SyntaxList (list (`' (#;VariantT (;list (~@ pairs))))))))) - -(defmacro #export (& tokens) - (if (not (multiple? 2 (length tokens))) - (fail "& expects an even number of arguments.") - (do Lux:Monad - [pairs (map% Lux:Monad - (:' (-> (, Syntax Syntax) ($' Lux Syntax)) - (lambda [pair] - (case' pair - [(#Meta [_ (#Tag ident)]) value] - (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (~ value)]))) - - _ - (fail "Wrong syntax for &")))) - (as-pairs tokens))] - (;return (:' SyntaxList (list (`' (#;RecordT (;list (~@ pairs)))))))))) - (def__ (replace-syntax reps syntax) (-> RepEnv Syntax Syntax) (case' syntax @@ -1352,6 +1316,45 @@ _ (#Right [state ident]))) +(defmacro #export (| tokens) + (do Lux:Monad + [pairs (map% Lux:Monad + (:' (-> Syntax ($' Lux Syntax)) + (lambda [token] + (case' token + (#Meta [_ (#Tag ident)]) + (do Lux:Monad + [ident (normalize ident)] + (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (;,)])))) + + (#Meta [_ (#Form (#Cons [(#Meta [_ (#Tag ident)]) (#Cons [value #Nil])]))]) + (do Lux:Monad + [ident (normalize ident)] + (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (~ value)])))) + + _ + (fail "Wrong syntax for |")))) + tokens)] + (;return (:' SyntaxList (list (`' (#;VariantT (;list (~@ pairs))))))))) + +(defmacro #export (& tokens) + (if (not (multiple? 2 (length tokens))) + (fail "& expects an even number of arguments.") + (do Lux:Monad + [pairs (map% Lux:Monad + (:' (-> (, Syntax Syntax) ($' Lux Syntax)) + (lambda [pair] + (case' pair + [(#Meta [_ (#Tag ident)]) value] + (do Lux:Monad + [ident (normalize ident)] + (;return (:' Syntax (`' [(~ ($text (ident->text ident))) (~ value)])))) + + _ + (fail "Wrong syntax for &")))) + (as-pairs tokens))] + (;return (:' SyntaxList (list (`' (#;RecordT (;list (~@ pairs)))))))))) + (def__ (->text x) (-> (^ java.lang.Object) Text) (jvm-invokevirtual java.lang.Object toString [] x [])) @@ -1674,11 +1677,22 @@ [inc 1] [dec -1]) -(def #export (int:show int) +(def (int:show int) (-> Int Text) (jvm-invokevirtual java.lang.Object toString [] int [])) +(defmacro #export (` tokens) + (do Lux:Monad + [module-name get-module-name] + (case tokens + (\ (list template)) + (;return (: (List Syntax) + (list (untemplate (: Text module-name) template)))) + + _ + (fail "Wrong syntax for `")))) + (def #export (gensym prefix state) (-> Text (Lux Syntax)) (case state @@ -1842,16 +1856,47 @@ [Real:Show Real (->text x)] [Char:Show Char ($ text:++ "#\"" (->text x) "\"")]) -(defmacro #export (` tokens) - (do Lux:Monad - [module-name get-module-name] - (case tokens - (\ (list template)) - (;return (: (List Syntax) - (list (untemplate (: Text module-name) template)))) - - _ - (fail "Wrong syntax for `")))) +(defsig #export (Ord a) + (: (-> a a Bool) + <) + (: (-> a a Bool) + <=) + (: (-> a a Bool) + >) + (: (-> a a Bool) + >=)) + +(do-template [<name> <form> <message>] + [(defmacro #export (<name> tokens) + (case (reverse tokens) + (\ (list& last init)) + (return (: (List Syntax) + (list (fold (: (-> Syntax Syntax Syntax) + (lambda [post pre] (` <form>))) + last + init)))) + + _ + (fail <message>)))] + + [and (if (~ pre) true (~ post)) "and requires >=1 elements."] + [or (if (~ pre) (~ post) false) "or requires >=1 elements."]) + +(do-template [<name> <type> <lt> <gt> <eq>] + [(defstruct #export <name> (Ord <type>) + (def (< x y) + (<lt> x y)) + (def (<= x y) + (or (<lt> x y) + (<eq> x y))) + (def (> x y) + (<gt> x y)) + (def (>= x y) + (or (<gt> x y) + (<eq> x y))))] + + [Int:Ord Int jvm-llt jvm-lgt jvm-leq] + [Real:Ord Real jvm-dlt jvm-dgt jvm-deq]) ## (def #export (print x) ## (-> Text (IO (,))) |