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|
(.using
[library
[lux (.except Code int or and if cond let symbol)
["@" target]
[abstract
[equivalence (.only Equivalence)]
[hash (.only Hash)]]
[control
["[0]" pipe]]
[data
["[0]" text
["%" format (.only format)]]
[collection
["[0]" list ("[1]#[0]" functor monoid)]]]
[macro
["[0]" template]]
[math
[number
["n" nat]
["f" frac]]]
[type
[primitive (.full)]]]])
... Added the carriage return for better Windows compatibility.
(def: \n+
Text
(format text.carriage_return text.new_line))
(def: nested
(-> Text Text)
(.let [nested_new_line (format text.new_line text.tab)]
(text.replaced text.new_line nested_new_line)))
(primitive: .public (Code k)
Text
(implementation: .public equivalence
(All (_ brand) (Equivalence (Code brand)))
(def: (= reference subject)
(# text.equivalence = (representation reference) (representation subject))))
(implementation: .public hash
(All (_ brand) (Hash (Code brand)))
(def: equivalence ..equivalence)
(def: hash (|>> representation (# text.hash hash))))
(template [<type> <brand> <super>+]
[(primitive: .public (<brand> brand) Any)
(`` (type: .public <type> (|> Any <brand> (~~ (template.spliced <super>+)))))]
[Expression Expression' [Code]]
)
(template [<type> <brand> <super>+]
[(primitive: .public <brand> Any)
(`` (type: .public <type> (|> <brand> (~~ (template.spliced <super>+)))))]
[Var Var' [Expression' Code]]
[Computation Computation' [Expression' Code]]
)
(type: .public Arguments
(Record
[#mandatory (List Var)
#rest (Maybe Var)]))
(def: .public manual
(-> Text Code)
(|>> abstraction))
(def: .public code
(-> (Code Any) Text)
(|>> representation))
(def: .public var
(-> Text Var)
(|>> abstraction))
(def: (arguments [mandatory rest])
(-> Arguments (Code Any))
(case rest
{.#Some rest}
(case mandatory
{.#End}
rest
_
(|> (format " . " (representation rest))
(format (|> mandatory
(list#each ..code)
(text.interposed " ")))
(text.enclosed ["(" ")"])
abstraction))
{.#None}
(|> mandatory
(list#each ..code)
(text.interposed " ")
(text.enclosed ["(" ")"])
abstraction)))
(def: .public nil
Computation
(abstraction "'()"))
(def: .public bool
(-> Bit Computation)
(|>> (pipe.case
#0 "#f"
#1 "#t")
abstraction))
(def: .public int
(-> Int Computation)
(|>> %.int abstraction))
(def: .public float
(-> Frac Computation)
(|>> (pipe.cond [(f.= f.positive_infinity)]
[(pipe.new "+inf.0" [])]
[(f.= f.negative_infinity)]
[(pipe.new "-inf.0" [])]
[f.not_a_number?]
[(pipe.new "+nan.0" [])]
... else
[%.frac])
abstraction))
(def: .public positive_infinity Computation (..float f.positive_infinity))
(def: .public negative_infinity Computation (..float f.negative_infinity))
(def: .public not_a_number Computation (..float f.not_a_number))
(def: safe
(-> Text Text)
(`` (|>> (~~ (template [<find> <replace>]
[(text.replaced <find> <replace>)]
["\" "\\"]
["|" "\|"]
[text.alarm "\a"]
[text.back_space "\b"]
[text.tab "\t"]
[text.new_line "\n"]
[text.carriage_return "\r"]
[text.double_quote (format "\" text.double_quote)]
))
)))
(def: .public string
(-> Text Computation)
(|>> ..safe %.text abstraction))
(def: .public symbol
(-> Text Computation)
(|>> (format "'") abstraction))
(def: form
(-> (List (Code Any)) Code)
(.let [nested_new_line (format \n+ text.tab)]
(|>> (pipe.case
{.#End}
(abstraction "()")
{.#Item head tail}
(|> tail
(list#each (|>> representation ..nested))
{.#Item (representation head)}
(text.interposed nested_new_line)
(text.enclosed ["(" ")"])
abstraction)))))
(def: .public (apply args func)
(-> (List Expression) Expression Computation)
(..form {.#Item func args}))
(template [<name> <function>]
[(def: .public (<name> members)
(-> (List Expression) Computation)
(..apply members (..var <function>)))]
[vector/* "vector"]
[list/* "list"]
)
(def: .public apply/0
(-> Expression Computation)
(..apply (list)))
(template [<lux_name> <scheme_name>]
[(def: .public <lux_name>
(apply/0 (..var <scheme_name>)))]
[newline/0 "newline"]
)
(template [<apply> <arg>+ <type>+ <function>+]
[(`` (def: .public (<apply> procedure)
(-> Expression (~~ (template.spliced <type>+)) Computation)
(function (_ (~~ (template.spliced <arg>+)))
(..apply (list (~~ (template.spliced <arg>+))) procedure))))
(`` (template [<definition> <function>]
[(def: .public <definition> (<apply> (..var <function>)))]
(~~ (template.spliced <function>+))))]
[apply/1 [_0] [Expression]
[[exact/1 "exact"]
[integer->char/1 "integer->char"]
[char->integer/1 "char->integer"]
[number->string/1 "number->string"]
[string->number/1 "string->number"]
[floor/1 "floor"]
[truncate/1 "truncate"]
[string/1 "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_hash/1 "string-hash"]
[reverse/1 "reverse"]
[display/1 "display"]
[exit/1 "exit"]
[string_length/1 "string-length"]
[load_relative/1 "load-relative"]]]
[apply/2 [_0 _1] [Expression Expression]
[[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"]
[make_string/2 "make-string"]]]
[apply/3 [_0 _1 _2] [Expression Expression Expression]
[[substring/3 "substring"]
[vector_set!/3 "vector-set!"]
[string_contains/3 "string-contains"]]]
[apply/5 [_0 _1 _2 _3 _4] [Expression Expression Expression Expression Expression]
[[vector_copy!/5 "vector-copy!"]]]
)
... TODO: define "vector_ref/2" like a normal apply/2 function.
... "vector_ref/2" as an 'invoke' is problematic, since it only works
... in Kawa.
... However, the way Kawa defines "vector-ref" causes trouble,
... because it does a runtime type-check which throws an error when
... it checks against custom values/objects/classes made for
... JVM<->Scheme interop.
... There are 2 ways to deal with this:
... 0. To fork Kawa, and get rid of the type-check so the normal
... "vector-ref" can be used instead.
... 1. To carry on, and then, when it's time to compile the compiler
... itself into Scheme, switch from 'invoke' to normal 'vector-ref'.
... Either way, the 'invoke' needs to go away.
(def: .public (vector_ref/2 vector index)
(-> Expression Expression Computation)
(..form (list (..var "invoke") vector (..symbol "getRaw") index)))
(template [<lux_name> <scheme_name>]
[(def: .public (<lux_name> param subject)
(-> Expression Expression Computation)
(..apply/2 (..var <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"]
[bitwise_and/2 "bitwise-and"]
[bitwise_ior/2 "bitwise-ior"]
[bitwise_xor/2 "bitwise-xor"]
)
(template [<lux_name> <scheme_name>]
[(def: .public <lux_name>
(-> (List Expression) Computation)
(|>> (partial_list (..var <scheme_name>)) ..form))]
[or "or"]
[and "and"]
)
(template [<lux_name> <scheme_name> <var> <pre>]
[(def: .public (<lux_name> bindings body)
(-> (List [<var> Expression]) Expression Computation)
(..form (list (..var <scheme_name>)
(|> bindings
(list#each (function (_ [binding/name binding/value])
(..form (list (|> binding/name <pre>)
binding/value))))
..form)
body)))]
[let "let" Var (<|)]
[let* "let*" Var (<|)]
[letrec "letrec" Var (<|)]
[let_values "let-values" Arguments ..arguments]
[let*_values "let*-values" Arguments ..arguments]
[letrec_values "letrec-values" Arguments ..arguments]
)
(def: .public (if test then else)
(-> Expression Expression Expression Computation)
(..form (list (..var "if") test then else)))
(def: .public (when test then)
(-> Expression Expression Computation)
(..form (list (..var "when") test then)))
(def: .public (lambda arguments body)
(-> Arguments Expression Computation)
(..form (list (..var "lambda")
(..arguments arguments)
body)))
(def: .public (define_function name arguments body)
(-> Var Arguments Expression Computation)
(..form (list (..var "define")
(|> arguments
(revised #mandatory (|>> {.#Item name}))
..arguments)
body)))
(def: .public (define_constant name value)
(-> Var Expression Computation)
(..form (list (..var "define") name value)))
(def: .public begin
(-> (List Expression) Computation)
(|>> {.#Item (..var "begin")} ..form))
(def: .public (set! name value)
(-> Var Expression Computation)
(..form (list (..var "set!") name value)))
(def: .public (with_exception_handler handler body)
(-> Expression Expression Computation)
(..form (list (..var "with-exception-handler") handler body)))
(def: .public (call_with_current_continuation body)
(-> Expression Computation)
(..form (list (..var "call-with-current-continuation") body)))
(def: .public (guard variable clauses else body)
(-> Var (List [Expression Expression]) (Maybe Expression) Expression Computation)
(..form (list (..var "guard")
(..form (|> (case else
{.#None}
(list)
{.#Some else}
(list (..form (list (..var "else") else))))
(list#composite (list#each (function (_ [when then])
(..form (list when then)))
clauses))
(partial_list variable)))
body)))
)
|