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|
(.module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:]
["p" parser])
(data ["e" error]
[text]
text/format
[number #+ hex]
(coll [list "list/" Functor<List>]
(dictionary ["dict" unordered #+ Dict])))
[macro #+ with-gensyms]
(macro [code]
["s" syntax #+ syntax:])
[host])
(luxc ["&" lang]
(lang ["la" analysis]
["ls" synthesis]
(host ["_" common-lisp #+ Expression])))
[///]
(/// [".T" runtime]
[".T" case]
[".T" function]
[".T" loop]))
## [Types]
(type: #export Translator
(-> ls.Synthesis (Meta Expression)))
(type: #export Proc
(-> Translator (List ls.Synthesis) (Meta Expression)))
(type: #export Bundle
(Dict Text Proc))
(syntax: (Vector {size s.nat} elemT)
(wrap (list (` [(~+ (list.repeat size elemT))]))))
(type: #export Nullary (-> (Vector +0 Expression) Expression))
(type: #export Unary (-> (Vector +1 Expression) Expression))
(type: #export Binary (-> (Vector +2 Expression) Expression))
(type: #export Trinary (-> (Vector +3 Expression) Expression))
(type: #export Variadic (-> (List Expression) Expression))
## [Utils]
(def: #export (install name unnamed)
(-> Text (-> Text Proc)
(-> Bundle Bundle))
(dict.put name (unnamed name)))
(def: #export (prefix prefix bundle)
(-> Text Bundle Bundle)
(|> bundle
dict.entries
(list/map (function (_ [key val]) [(format prefix " " key) val]))
(dict.from-list text.Hash<Text>)))
(def: (wrong-arity proc expected actual)
(-> Text Nat Nat Text)
(format "Wrong number of arguments for " (%t proc) "\n"
"Expected: " (|> expected .int %i) "\n"
" Actual: " (|> actual .int %i)))
(syntax: (arity: {name s.local-identifier} {arity s.nat})
(with-gensyms [g!_ g!proc g!name g!translate g!inputs]
(do @
[g!input+ (monad.seq @ (list.repeat arity (macro.gensym "input")))]
(wrap (list (` (def: #export ((~ (code.local-identifier name)) (~ g!proc))
(-> (-> (..Vector (~ (code.nat arity)) Expression) Expression)
(-> Text ..Proc))
(function ((~ g!_) (~ g!name))
(function ((~ g!_) (~ g!translate) (~ g!inputs))
(case (~ g!inputs)
(^ (list (~+ g!input+)))
(do macro.Monad<Meta>
[(~+ (|> g!input+
(list/map (function (_ g!input)
(list g!input (` ((~ g!translate) (~ g!input))))))
list.concat))]
((~' wrap) ((~ g!proc) [(~+ g!input+)])))
(~' _)
(macro.fail (wrong-arity (~ g!name) +1 (list.size (~ g!inputs))))))))))))))
(arity: nullary +0)
(arity: unary +1)
(arity: binary +2)
(arity: trinary +3)
(def: #export (variadic proc)
(-> Variadic (-> Text Proc))
(function (_ proc-name)
(function (_ translate inputsS)
(do macro.Monad<Meta>
[inputsI (monad.map @ translate inputsS)]
(wrap (proc inputsI))))))
## [Procedures]
## [[Lux]]
(def: (lux//is [leftO rightO])
Binary
(_.eq leftO rightO))
(def: (lux//if [testO thenO elseO])
Trinary
(caseT.translate-if testO thenO elseO))
(exception: #export (Wrong-Syntax {message Text})
message)
(def: #export (wrong-syntax procedure args)
(-> Text (List ls.Synthesis) Text)
(format "Procedure: " procedure "\n"
"Arguments: " (%code (code.tuple args))))
(def: lux//loop
(-> Text Proc)
(function (_ proc-name)
(function (_ translate inputsS)
(case (s.run inputsS ($_ p.seq s.nat (s.tuple (p.many s.any)) s.any))
(#e.Success [offset initsS+ bodyS])
(loopT.translate-loop translate offset initsS+ bodyS)
(#e.Error error)
(&.throw Wrong-Syntax (wrong-syntax proc-name inputsS)))
)))
(def: lux//recur
(-> Text Proc)
(function (_ proc-name)
(function (_ translate inputsS)
(loopT.translate-recur translate inputsS))))
(def: lux-procs
Bundle
(|> (dict.new text.Hash<Text>)
(install "is" (binary lux//is))
(install "try" (unary runtimeT.lux//try))
(install "if" (trinary lux//if))
(install "loop" lux//loop)
(install "recur" lux//recur)
))
## [[Bits]]
(do-template [<name> <op>]
[(def: (<name> [subjectO paramO])
Binary
(<op> paramO subjectO))]
[bit//and _.logand]
[bit//or _.logior]
[bit//xor _.logxor]
)
(def: (bit//left-shift [subjectO paramO])
Binary
(_.ash (_.rem (_.int 64) paramO) subjectO))
(def: (bit//arithmetic-right-shift [subjectO paramO])
Binary
(_.ash (|> paramO (_.rem (_.int 64)) (_.* (_.int -1)))
subjectO))
(def: (bit//logical-right-shift [subjectO paramO])
Binary
(runtimeT.bit//logical-right-shift (_.rem (_.int 64) paramO) subjectO))
(def: bit-procs
Bundle
(<| (prefix "bit")
(|> (dict.new text.Hash<Text>)
(install "and" (binary bit//and))
(install "or" (binary bit//or))
(install "xor" (binary bit//xor))
(install "left-shift" (binary bit//left-shift))
(install "logical-right-shift" (binary bit//logical-right-shift))
(install "arithmetic-right-shift" (binary bit//arithmetic-right-shift))
)))
## [[Arrays]]
(def: (array//new size0)
Unary
(_.make-array/init size0 _.nil))
(def: (array//get [arrayO idxO])
Binary
(runtimeT.array//get arrayO idxO))
(def: (array//put [arrayO idxO elemO])
Trinary
(runtimeT.array//put arrayO idxO elemO))
(def: (array//remove [arrayO idxO])
Binary
(runtimeT.array//put arrayO idxO _.nil))
(def: array-procs
Bundle
(<| (prefix "array")
(|> (dict.new text.Hash<Text>)
(install "new" (unary array//new))
(install "get" (binary array//get))
(install "put" (trinary array//put))
(install "remove" (binary array//remove))
(install "size" (unary _.length))
)))
## [[Numbers]]
(host.import: java/lang/Double
(#static MIN_VALUE Double)
(#static MAX_VALUE Double))
(do-template [<name> <const> <encode>]
[(def: (<name> _)
Nullary
(<encode> <const>))]
[frac//smallest Double::MIN_VALUE _.double]
[frac//min (f/* -1.0 Double::MAX_VALUE) _.double]
[frac//max Double::MAX_VALUE _.double]
)
(do-template [<name> <op>]
[(def: (<name> [subjectO paramO])
Binary
(|> subjectO (<op> paramO)))]
[int//+ _.+]
[int//- _.-]
[int//* _.*]
[int/// _.floor]
[int//% _.rem]
[int//= _.=]
[int//< _.<]
)
(do-template [<name> <op>]
[(def: (<name> [subjectO paramO])
Binary
(<op> paramO subjectO))]
[frac//+ _.+]
[frac//- _.-]
[frac//* _.*]
[frac/// _./]
[frac//% _.mod]
[frac//= _.=]
[frac//< _.<]
[text//= _.string=]
)
(def: (text//< [subjectO paramO])
Binary
(|> (_.string< paramO subjectO)
_.null
_.not))
(def: int-procs
Bundle
(<| (prefix "int")
(|> (dict.new text.Hash<Text>)
(install "+" (binary int//+))
(install "-" (binary int//-))
(install "*" (binary int//*))
(install "/" (binary int///))
(install "%" (binary int//%))
(install "=" (binary int//=))
(install "<" (binary int//<))
(install "to-frac" (unary (|>> (_./ (_.double 1.0))))))))
(def: frac-procs
Bundle
(<| (prefix "frac")
(|> (dict.new text.Hash<Text>)
(install "+" (binary frac//+))
(install "-" (binary frac//-))
(install "*" (binary frac//*))
(install "/" (binary frac///))
(install "%" (binary frac//%))
(install "=" (binary frac//=))
(install "<" (binary frac//<))
(install "smallest" (nullary frac//smallest))
(install "min" (nullary frac//min))
(install "max" (nullary frac//max))
(install "to-int" (unary _.floor/1)))))
## ## [[Text]]
(def: (text//concat [subjectO paramO])
Binary
(_.concatenate/string subjectO paramO))
(def: (text//char [text idx])
Binary
(runtimeT.text//char idx text))
(def: (text//clip [text from to])
Trinary
(runtimeT.text//clip from to text))
(def: (text//index [space reference start])
Trinary
(runtimeT.text//index reference start space))
(def: text-procs
Bundle
(<| (prefix "text")
(|> (dict.new text.Hash<Text>)
(install "=" (binary text//=))
(install "<" (binary text//<))
(install "concat" (binary text//concat))
(install "index" (trinary text//index))
(install "size" (unary _.length))
(install "char" (binary text//char))
(install "clip" (trinary text//clip))
)))
## [[IO]]
(def: (void code)
(-> Expression Expression)
(_.progn (list code runtimeT.unit)))
(def: io-procs
Bundle
(<| (prefix "io")
(|> (dict.new text.Hash<Text>)
(install "log" (unary (|>> _.print ..void)))
(install "error" (unary _.error))
(install "exit" (unary runtimeT.io//exit))
(install "current-time" (nullary (function (_ _) (runtimeT.io//current-time runtimeT.unit)))))))
## [[Box]]
(def: box//new
Unary
(|>> (list) _.vector))
(def: (box//read box)
Unary
(_.svref box (_.int 0)))
(def: (box//write [valueO boxO])
Binary
(runtimeT.box//write valueO boxO))
(def: box-procs
Bundle
(<| (prefix "box")
(|> (dict.new text.Hash<Text>)
(install "new" (unary box//new))
(install "read" (unary box//read))
(install "write" (binary box//write)))))
## [Bundles]
(def: #export procedures
Bundle
(<| (prefix "lux")
(|> lux-procs
(dict.merge bit-procs)
(dict.merge int-procs)
(dict.merge frac-procs)
(dict.merge text-procs)
(dict.merge array-procs)
(dict.merge io-procs)
(dict.merge box-procs)
)))
|