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|
(.module:
[lux #- Code' Code int or and if function cond when let]
(lux (control pipe)
(data [text]
text/format
[number]
(collection [list "list/" Functor<List> Fold<List>]))
(type abstract)))
(abstract: Global' {} Any)
(abstract: Var' {} Any)
(abstract: Computation' {} Any)
(abstract: (Expression' k) {} Any)
(abstract: (Code' k)
{}
Text
(type: #export Code (Ex [k] (Code' k)))
(type: #export Expression (Code' (Ex [k] (Expression' k))))
(type: #export Global (Code' (Expression' Global')))
(type: #export Computation (Code' (Expression' Computation')))
(type: #export Var (Code' (Expression' Var')))
(type: #export Arguments
{#mandatory (List Var)
#rest (Maybe Var)})
(def: #export code (-> Code Text) (|>> :representation))
(def: #export var (-> Text Var) (|>> :abstraction))
(def: (arguments [vars rest])
(-> Arguments Code)
(case rest
(#.Some rest)
(case vars
#.Nil
rest
_
(|> (format " . " (:representation rest))
(format (|> vars
(list/map ..code)
(text.join-with " ")))
(text.enclose ["(" ")"])
:abstraction))
#.None
(|> vars
(list/map ..code)
(text.join-with " ")
(text.enclose ["(" ")"])
:abstraction)))
(def: #export nil
Computation
(:abstraction "'()"))
(def: #export bool
(-> Bool Computation)
(|>> (case> true "#t"
false "#f")
:abstraction))
(def: #export int
(-> Int Computation)
(|>> %i :abstraction))
(def: #export float
(-> Frac Computation)
(|>> (cond> [(f/= number.positive-infinity)]
[(new> "+inf.0")]
[(f/= number.negative-infinity)]
[(new> "-inf.0")]
[number.not-a-number?]
[(new> "+nan.0")]
## else
[%f])
:abstraction))
(def: #export positive-infinity Computation (..float number.positive-infinity))
(def: #export negative-infinity Computation (..float number.negative-infinity))
(def: #export not-a-number Computation (..float number.not-a-number))
(def: #export string
(-> Text Computation)
(|>> %t :abstraction))
(def: #export symbol
(-> Text Computation)
(|>> (format "'") :abstraction))
(def: #export global
(-> Text Global)
(|>> :abstraction))
(def: form
(-> (List Code) Text)
(|>> (list/map ..code)
(text.join-with " ")
(text.enclose ["(" ")"])))
(def: #export (apply/* func args)
(-> Expression (List Expression) Computation)
(:abstraction (..form (#.Cons func args))))
(do-template [<name> <function>]
[(def: #export <name>
(-> (List Expression) Computation)
(apply/* (..global <function>)))]
[vector/* "vector"]
[list/* "list"]
)
(def: #export (apply/0 func)
(-> Expression Computation)
(..apply/* func (list)))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (apply/0 (..global <scheme-name>)))]
[newline/0 "newline"]
)
(def: #export (apply/1 func)
(-> Expression (-> Expression Computation))
(|>> (list) (..apply/* func)))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (apply/1 (..global <scheme-name>)))]
[exact/1 "exact"]
[integer->char/1 "integer->char"]
[number->string/1 "number->string"]
[string/1 "string"]
[length/1 "length"]
[values/1 "values"]
[null?/1 "null?"]
[car/1 "car"]
[cdr/1 "cdr"]
[raise/1 "raise"]
[error-object-message/1 "error-object-message"]
[make-vector/1 "make-vector"]
[vector-length/1 "vector-length"]
[not/1 "not"]
[string-length/1 "string-length"]
[string-hash/1 "string-hash"]
[reverse/1 "reverse"]
[display/1 "display"]
[exit/1 "exit"]
)
(def: #export (apply/2 func)
(-> Expression (-> Expression Expression Computation))
(.function (_ _0 _1)
(..apply/* func (list _0 _1))))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (apply/2 (..global <scheme-name>)))]
[append/2 "append"]
[cons/2 "cons"]
[make-vector/2 "make-vector"]
[vector-ref/2 "vector-ref"]
[list-tail/2 "list-tail"]
[map/2 "map"]
[string-ref/2 "string-ref"]
[string-append/2 "string-append"]
)
(do-template [<lux-name> <scheme-name>]
[(def: #export (<lux-name> param subject)
(-> Expression Expression Computation)
(..apply/2 (..global <scheme-name>) subject param))]
[=/2 "="]
[eq?/2 "eq?"]
[eqv?/2 "eqv?"]
[</2 "<"]
[<=/2 "<="]
[>/2 ">"]
[>=/2 ">="]
[string=?/2 "string=?"]
[string<?/2 "string<?"]
[+/2 "+"]
[-/2 "-"]
[//2 "/"]
[*/2 "*"]
[expt/2 "expt"]
[remainder/2 "remainder"]
[quotient/2 "quotient"]
[mod/2 "mod"]
[arithmetic-shift/2 "arithmetic-shift"]
[bit-and/2 "bitwise-and"]
[bit-or/2 "bitwise-ior"]
[bit-xor/2 "bitwise-xor"]
)
(def: #export (apply/3 func)
(-> Expression (-> Expression Expression Expression Computation))
(.function (_ _0 _1 _2)
(..apply/* func (list _0 _1 _2))))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name> (apply/3 (..global <scheme-name>)))]
[substring/3 "substring"]
[vector-set!/3 "vector-set!"]
)
(def: #export (vector-copy!/5 _0 _1 _2 _3 _4)
(-> Expression Expression Expression Expression Expression
Computation)
(..apply/* (..global "vector-copy!")
(list _0 _1 _2 _3 _4)))
(do-template [<lux-name> <scheme-name>]
[(def: #export <lux-name>
(-> (List Expression) Computation)
(|>> (list& (..global <scheme-name>)) ..form :abstraction))]
[or "or"]
[and "and"]
)
(do-template [<lux-name> <scheme-name> <var> <pre>]
[(def: #export (<lux-name> bindings body)
(-> (List [<var> Expression]) Expression Computation)
(:abstraction
(..form (list (..global <scheme-name>)
(|> bindings
(list/map (.function (_ [binding/name binding/value])
(:abstraction
(..form (list (<pre> binding/name)
binding/value)))))
..form
:abstraction)
body))))]
[let "let" Var .id]
[let* "let*" Var .id]
[letrec "letrec" Var .id]
[let-values "let-values" Arguments ..arguments]
[let*-values "let*-values" Arguments ..arguments]
[letrec-values "letrec-values" Arguments ..arguments]
)
(def: #export (if test then else)
(-> Expression Expression Expression Computation)
(:abstraction
(..form (list (..global "if") test then else))))
(def: #export (when test then)
(-> Expression Expression Computation)
(:abstraction
(..form (list (..global "when") test then))))
(def: #export (cond clauses else)
(-> (List [Expression Expression]) Expression Computation)
(|> (list/fold (.function (_ [test then] next)
(if test then next))
else
(list.reverse clauses))
:representation
:abstraction))
(def: #export (lambda arguments body)
(-> Arguments Expression Computation)
(:abstraction
(..form (list (..global "lambda")
(..arguments arguments)
body))))
(def: #export (define name arguments body)
(-> Var Arguments Expression Computation)
(:abstraction
(..form (list (..global "define")
(|> arguments
(update@ #mandatory (|>> (#.Cons name)))
..arguments)
body))))
(def: #export begin
(-> (List Expression) Computation)
(|>> (#.Cons (..global "begin")) ..form :abstraction))
(def: #export (set! name value)
(-> Var Expression Computation)
(:abstraction
(..form (list (..global "set!") name value))))
(def: #export (with-exception-handler handler body)
(-> Expression Expression Computation)
(:abstraction
(..form (list (..global "with-exception-handler") handler body))))
)
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