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|
(.module:
[lux #- not or and list if function cond when let type-of]
(lux (control pipe)
(data [maybe "maybe/" Functor<Maybe>]
[text]
text/format
[number]
(coll [list "list/" Functor<List> Fold<List>]))
(type abstract)))
(abstract: #export Single {} Any)
(abstract: #export Poly {} Any)
(abstract: #export (Var kind)
{}
Text
(def: name (All [k] (-> (Var k) Text)) (|>> @representation))
(def: #export var (-> Text (Var Single)) (|>> @abstraction))
(def: #export (poly vars)
(-> (List (Var Single)) (Var Poly))
(@abstraction
(format "(" (|> vars (list/map ..name) (text.join-with " ")) ")")))
(def: #export (poly+ vars rest)
(-> (List (Var Single)) (Var Single) (Var Poly))
(@abstraction
(format "(" (|> vars (list/map ..name) (text.join-with " "))
" &rest " (..name rest)
")")))
)
(type: #export SVar (Var Single))
(type: #export PVar (Var Poly))
(type: #export *Var (Ex [k] (Var k)))
(abstract: #export Expression
{}
Text
(def: #export expression (-> Expression Text) (|>> @representation))
(def: #export code (-> Text Expression) (|>> @abstraction))
(type: #export Lambda [PVar Expression])
(def: #export nil
Expression
(@abstraction "()"))
(def: #export bool
(-> Bool Expression)
(|>> (case> true (@abstraction "t")
false ..nil)))
(def: #export int
(-> Int Expression)
(|>> %i @abstraction))
(def: #export float
(-> Frac Expression)
(|>> (cond> [(f/= number.positive-infinity)]
[(new> "(/ 1.0 0.0)")]
[(f/= number.negative-infinity)]
[(new> "(/ -1.0 0.0)")]
[number.not-a-number?]
[(new> "(/ 0.0 0.0)")]
## else
[%f])
@abstraction))
(def: #export (double value)
(-> Frac Expression)
(@abstraction
(.cond (f/= number.positive-infinity value)
"(/ 1.0d0 0.0d0)"
(f/= number.negative-infinity value)
"(/ -1.0d0 0.0d0)"
(number.not-a-number? value)
"(/ 0.0d0 0.0d0)"
## else
(.let [raw (%f value)]
(.if (text.contains? "E" raw)
(text.replace-once "E" "d" raw)
(format raw "d0"))))))
(def: #export positive-infinity Expression (..float number.positive-infinity))
(def: #export negative-infinity Expression (..float number.negative-infinity))
(def: #export not-a-number Expression (..float number.not-a-number))
(def: #export string
(-> Text Expression)
(|>> %t @abstraction))
(do-template [<name> <prefix>]
[(def: #export <name>
(-> Text Expression)
(|>> (format <prefix>) @abstraction))]
[symbol "'"]
[keyword ":"])
(def: #export (form elements)
(-> (List Expression) Expression)
(@abstraction
(format "(" (|> elements (list/map expression) (text.join-with " ")) ")")))
(def: #export @@
(All [k] (-> (Var k) Expression))
(|>> ..name @abstraction))
(def: #export global
(-> Text Expression)
(|>> var @@))
(def: #export ($apply func args)
(-> Expression (List Expression) Expression)
(form (#.Cons func args)))
(do-template [<name> <function>]
[(def: #export <name>
(-> (List Expression) Expression)
($apply (..global <function>)))]
[vector "vector"]
[list "list"]
)
(def: #export (labels definitions body)
(-> (List [SVar Lambda]) Expression Expression)
(..form (.list (..global "labels")
(..form (list/map (.function (_ [def-name [def-args def-body]])
(..form (.list (@@ def-name)
(@@ def-args)
def-body)))
definitions))
body)))
(def: #export (destructuring-bind [bindings expression] body)
(-> [PVar Expression] Expression Expression)
(..form (.list (..global "destructuring-bind")
(@@ bindings) expression
body)))
(def: #export ($apply1 func)
(-> Expression (-> Expression Expression))
(|>> (.list) (..$apply func)))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (..$apply1 (..global <scheme-name>)))]
[length "length"]
[function "function"]
[copy-seq "copy-seq"]
[null "null"]
[car "car"]
[cdr "cdr"]
[error "error"]
[not "not"]
[floor/1 "floor"]
[type-of "type-of"]
[write-to-string "write-to-string"]
[read-from-string "read-from-string"]
[print "print"]
[reverse "reverse"]
[sxhash/1 "sxhash"]
[string-upcase/1 "string-upcase"]
[string-downcase/1 "string-downcase"]
[char-int/1 "char-int"]
[text/1 "text"]
)
(def: #export (make-array/init size init)
(-> Expression Expression Expression)
(..$apply (..global "make-array")
(.list (..list (.list size))
(..keyword "initial-element")
init)))
(def: #export get-universal-time
Expression
(..$apply (..global "get-universal-time") (.list)))
(def: #export (funcall args func)
(-> (List Expression) Expression Expression)
(..$apply (..global "funcall") (list& func args)))
(def: #export (apply args func)
(-> Expression Expression Expression)
(..$apply (..global "apply") (.list func args)))
(def: #export ($apply2 func)
(-> Expression (-> Expression Expression Expression))
(.function (_ _0 _1)
(..$apply func (.list _0 _1))))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (..$apply2 (..global <scheme-name>)))]
[append "append"]
[cons "cons"]
[svref "svref"]
[char/2 "char"]
)
(def: #export (search/start2 reference space start)
(-> Expression Expression Expression Expression)
(..$apply (..global "search")
(.list reference space
(..keyword "start2") start)))
(def: #export ($apply3 func)
(-> Expression (-> Expression Expression Expression Expression))
(.function (_ _0 _1 _2)
(..$apply func (.list _0 _1 _2))))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> ($apply3 (..global <scheme-name>)))]
[subseq/3 "subseq"]
[map/3 "map"]
[concatenate/3 "concatenate"]
[format/3 "format"]
)
(def: #export concatenate/string
(-> Expression Expression Expression)
(concatenate/3 (..symbol "string")))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name>
(-> (List Expression) Expression)
(|>> (.list& (..global <scheme-name>)) ..form))]
[or "or"]
[and "and"]
)
(do-template [<lux-name> <scheme-name>]
[(def: #export (<lux-name> param subject)
(-> Expression Expression Expression)
(..form (.list (..global <scheme-name>) subject param)))]
[= "="]
[eq "eq"]
[equal "equal"]
[< "<"]
[<= "<="]
[> ">"]
[>= ">="]
[string= "string="]
[string< "string<"]
[+ "+"]
[- "-"]
[/ "/"]
[* "*"]
[rem "rem"]
[floor "floor"]
[mod "mod"]
[ash "ash"]
[logand "logand"]
[logior "logior"]
[logxor "logxor"]
)
(do-template [<lux-name> <scheme-name>]
[(def: #export (<lux-name> bindings body)
(-> (List [SVar Expression]) Expression Expression)
(..form (.list (..global <scheme-name>)
(|> bindings
(list/map (.function (_ [fname fvalue])
(..form (.list (@@ fname) fvalue))))
..form)
body)))]
[let "let"]
[let* "let*"]
)
(def: #export (if test then else)
(-> Expression Expression Expression Expression)
(..form (.list (..global "if") test then else)))
(def: #export (when test then)
(-> Expression Expression Expression)
(..form (.list (..global "when") test then)))
(def: #export (cond clauses else)
(-> (List [Expression Expression]) Expression Expression)
(list/fold (.function (_ [test then] next)
(if test then next))
else
(list.reverse clauses)))
(def: #export (lambda input body)
(-> PVar Expression Expression)
(..form (.list (..global "lambda")
(@@ input)
body)))
(def: #export (defparameter name body)
(-> SVar Expression Expression)
(..form (.list (..global "defparameter") (@@ name) body)))
(def: #export (defun name inputs body)
(-> SVar (List SVar) Expression Expression)
(..form (.list (..global "defun") (@@ name) (@@ (..poly inputs)) body)))
(def: #export progn
(-> (List Expression) Expression)
(|>> (#.Cons (..global "progn")) ..form))
(def: #export (setq! name value)
(-> SVar Expression Expression)
(..form (.list (..global "setq") (@@ name) value)))
(def: #export (setf! access value)
(-> Expression Expression Expression)
(..form (.list (..global "setf") access value)))
(type: #export Handler
{#condition-type Expression
#condition SVar
#body Expression})
(def: #export (handler-case handlers body)
(-> (List Handler) Expression Expression)
(..form (.list& (..global "handler-case")
body
(list/map (.function (_ [type condition handler])
(..form (.list type (@@ (..poly (.list condition)))
handler)))
handlers))))
(do-template [<name> <prefix>]
[(def: #export (<name> conditions expression)
(-> (List Text) Expression Expression)
(case conditions
#.Nil
expression
(#.Cons single #.Nil)
(@abstraction
(format <prefix> single " " (@representation expression)))
_
(@abstraction
(format <prefix> (|> conditions (list/map ..symbol)
(.list& (..symbol "or")) ..form
@representation)
" " (@representation expression)))))]
[conditional+ "#+"]
[conditional- "#-"])
)
|
