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using stdint types

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FelixBrendel
2020-03-31 11:38:53 +02:00
parent 33145be4c6
commit 76dd4d6482
52 changed files with 483 additions and 1503 deletions
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bin/pre.slime
+118 -114
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@@ -5,13 +5,17 @@
;; (kk)
(define pair cons)
(define first car)
(define rest cdr)
(define hm/set! hash-map-set!)
(define hm/get hash-map-get)
(define (hm/get-or-nil hm key)
(mytry (hm/get hm key) ()))
(attempt (hm/get hm key) ()))
(define-syntax (pe expr)
(define-macro (pe expr)
`(begin
(print :end " " ',expr "evaluates to")
((lambda (e)
@@ -23,16 +27,16 @@
(define (stream-null? s) (when s t))
(define-syntax (delay expr)
(define-macro (delay expr)
`(,lambda () ,expr))
(define (force promise)
(promise))
(define-syntax (mac a) (list + 1 1))
(define-syntax (add . args) (pair '+ args))
(define-macro (mac a) (list + 1 1))
(define-macro (add . args) (cons '+ args))
(define-syntax (and . args)
(define-macro (and . args)
;; (and cond1 cond2 (cond3 args))
;; ->
;; (if cond1
@@ -44,12 +48,12 @@
;; ())
;; ())
(if args
`(,if ,(first args)
,(apply and (rest args))
`(,if ,(car args)
,(apply and (cdr args))
())
t))
(define-syntax (or . args)
(define-macro (or . args)
;; (or cond1 cond2 (cond3 args))
;; ->
;; (if cond1
@@ -60,12 +64,12 @@
;; t
;; ())))
(if args
`(,if ,(first args)
`(,if ,(car args)
t
,(apply or (rest args)))
,(apply or (cdr args)))
()))
(define-syntax (when condition . body)
(define-macro (when condition . body)
"Special form for when multiple actions should be done if a
condition is true.
@@ -80,68 +84,68 @@ condition is true.
(print \"World!\"))
{{{example_end}}}
"
(if (= (rest body) ())
(if (= (cdr body) ())
`(if ,condition ,@body nil)
`(if ,condition (begin ,@body) nil)))
(define-syntax (unless condition . body)
(define-macro (unless condition . body)
"Special form for when multiple actions should be done if a
condition is false."
(if (= (rest body) ())
(if (= (cdr body) ())
`(if ,condition nil ,@body)
`(if ,condition nil (begin ,@body))))
(define-syntax (n-times times action)
(define-macro (n-times times action)
"Executes action times times."
(define (repeat times elem)
(unless (> 1 times)
(pair elem (repeat (- times 1) elem))))
(cons elem (repeat (- times 1) elem))))
`(begin ,@(repeat times action)))
(define-syntax (let bindings . body)
(define-macro (let bindings . body)
(define (unzip lists)
(when lists
(define (iter lists l1 l2)
(define elem (first lists))
(define elem (car lists))
(if elem
(iter (rest lists)
(pair (first elem) l1)
(pair (first (rest elem)) l2))
(iter (cdr lists)
(cons (car elem) l1)
(cons (car (cdr elem)) l2))
(list l1 l2)))
(iter lists () ())))
(define unzipped (unzip bindings))
`((,lambda ,(first unzipped) ,@body) ,@(first (rest unzipped))))
`((,lambda ,(car unzipped) ,@body) ,@(car (cdr unzipped))))
(define-syntax (cond . clauses)
(define-macro (cond . clauses)
(define (rec clauses)
(if (= () clauses)
()
(if (= (first (first clauses)) 'else)
(if (= (car (car clauses)) 'else)
(begin
(if (not (= (rest clauses) ()))
(if (not (= (cdr clauses) ()))
(error :syntax-error "There are additional clauses after the else clause!")
(pair 'begin (rest (first clauses)))))
`(if ,(first (first clauses))
(begin ,@(rest (first clauses)))
,(rec (rest clauses))))))
(cons 'begin (cdr (car clauses)))))
`(if ,(car (car clauses))
(begin ,@(cdr (car clauses)))
,(rec (cdr clauses))))))
(rec clauses))
(define-syntax (case var . clauses)
(define-macro (case var . clauses)
(define (rec clauses)
(if (= nil clauses)
nil
(if (= (first (first clauses)) 'else)
(if (= (car (car clauses)) 'else)
(begin
(if (not (= (rest clauses) ()))
(if (not (= (cdr clauses) ()))
(error :syntax-error "There are additional clauses after the else clause!")
(pair 'begin (rest (first clauses)))))
`(if (member? ,var ',(first (first clauses)))
(begin ,@(rest (first clauses)))
,(rec (rest clauses))))))
(cons 'begin (cdr (car clauses)))))
`(if (member? ,var ',(car (car clauses)))
(begin ,@(cdr (car clauses)))
,(rec (cdr clauses))))))
(rec clauses))
(define-syntax (construct-list . body)
(define-macro (construct-list . body)
"
{{{example_start}}}
(construct-list
@@ -152,7 +156,7 @@ condition is false."
(construct-list
i <- '(1 2 3 4)
j <- '(A B)
yield (pair i j))
yield (cons i j))
(construct-list
i <- '(1 2 3 4 5 6 7 8)
@@ -161,44 +165,44 @@ condition is false."
"
(define (append-map f ll)
(unless (= ll ())
(define val (f (first ll)))
(if (= (first val) ())
(append-map f (rest ll))
(define val (f (car ll)))
(if (= (car val) ())
(append-map f (cdr ll))
(extend
val
(append-map f (rest ll))))))
(append-map f (cdr ll))))))
(define (rec body)
(cond
((= () body) ())
((= () (rest body)) (first body))
((= (first (rest body)) '<-)
`(,append-map (lambda (,(first body)) (list ,(rec (rest (rest (rest body)))))) ,(first (rest (rest body)))))
((= (first body) 'if)
`(when ,(first (rest body)) ,(rec (rest (rest body)))))
((= (first (rest body)) 'yield)
(first (rest body)))
((= () (cdr body)) (car body))
((= (car (cdr body)) '<-)
`(,append-map (lambda (,(car body)) (list ,(rec (cdr (cdr (cdr body)))))) ,(car (cdr (cdr body)))))
((= (car body) 'if)
`(when ,(car (cdr body)) ,(rec (cdr (cdr body)))))
((= (car (cdr body)) 'yield)
(car (cdr body)))
(else (error :syntax-error "Not a do-able expression"))))
(rec body))
(define-syntax (define-typed args . body)
(define-macro (define-typed args . body)
(define (get-arg-names args)
(when args
(pair (first args)
(get-arg-names (rest (rest args))))))
(let ((name (first args))
(lambda-list (rest args))
(arg-names (get-arg-names (rest args))))
(cons (car args)
(get-arg-names (cdr (cdr args))))))
(let ((name (car args))
(lambda-list (cdr args))
(arg-names (get-arg-names (cdr args))))
`(define (,name ,@arg-names)
(assert-types= ,@lambda-list)
,@body)))
(define-syntax (define-module module-name (:imports ()) (:exports ()) . body)
(define-macro (define-module module-name (:imports ()) (:exports ()) . body)
(let ((module-prefix (concat-strings (symbol->string module-name) "::")))
(eval `(,begin ,@(map (lambda (x) `(,import ,x)) imports) ,@body))
(pair 'begin
(cons 'begin
(map (lambda (orig-export-name)
((lambda (export-name)
`(define ,export-name
@@ -213,7 +217,7 @@ condition is false."
(exec `(begin ,@(map (lambda (x) `(,import ,x)) imports) ,@body)))
(eval exec)
(enable-debug-log)
(pair begin
(cons begin
(map (lambda (orig-export-name)
((lambda (export-name)
`(define ,export-name
@@ -224,24 +228,24 @@ condition is false."
exports))
(disable-debug-log)))
(define-syntax (generic-extend args . body)
(let ((fun-name (first args))
(params (rest args))
(define-macro (generic-extend args . body)
(let ((fun-name (car args))
(params (cdr args))
(types ())
(names ()))
(define (process-params params)
(when params
(let ((_name (first params))
(_type (first (rest params))))
(let ((_name (car params))
(_type (car (cdr params))))
(assert (symbol? _name))
(assert (keyword? _type))
(set! types (append types _type))
(set! names (append names _name))
(process-params (rest (rest params))))))
(process-params (cdr (cdr params))))))
(process-params params)
;; we have the fun-name, the param names and the types, lets go:
;;
;; first check if there is already a generic-<name>-map
;; car check if there is already a generic-<name>-map
(let ((generic-map-name (string->symbol
(concat-strings "generic-" (symbol->string fun-name) "-map"))))
(unless (bound? generic-map-name)
@@ -279,10 +283,10 @@ condition is false."
(define (types=? . objs)
(define (inner objs)
(if objs
(let ((actual-type (type (first objs)))
(desired-type (first (rest objs))))
(let ((actual-type (type (car objs)))
(desired-type (car (cdr objs))))
(if (= actual-type desired-type)
(inner (rest (rest objs)))
(inner (cdr (cdr objs)))
()))
t))
(inner objs))
@@ -290,10 +294,10 @@ condition is false."
(define (assert-types= . objs)
(define (inner objs)
(when objs
(let ((actual-type (type (first objs)))
(desired-type (first (rest objs))))
(let ((actual-type (type (car objs)))
(desired-type (car (cdr objs))))
(if (= actual-type desired-type)
(inner (rest (rest objs)))
(inner (cdr (cdr objs)))
(error :type-missmatch "type missmatch" actual-type desired-type)))))
(inner objs))
@@ -309,7 +313,7 @@ condition is false."
"Checks if the argument is a keyword."
(type=? x :keyword))
(define (pair? x)
(define (cons? x)
"Checks if the argument is a pair."
(type=? x :pair))
@@ -352,70 +356,70 @@ condition is false."
(print (end a))
{{{example_end}}}
"
(if (or (null? seq) (not (pair? (rest seq))))
(if (or (null? seq) (not (cons? (cdr seq))))
seq
(end (rest seq))))
(end (cdr seq))))
(define (last seq)
"Returns the (first) of the last (pair) of the given sequence.
"Returns the (car) of the last (cons) of the given sequence.
{{{example_start}}}
(define a (list 1 2 3 4))
(print (last a))
{{{example_end}}}
"
(first (end seq)))
(car (end seq)))
(define (extend seq elem)
"Extends a list with the given element, by putting it in
the (rest) of the last element of the sequence."
(if (pair? seq)
the (cdr ) of the last element of the sequence."
(if (cons? seq)
(begin
(define e (end seq))
(mutate e (pair (first e) elem))
(mutate! e (cons (car e) elem))
seq)
elem))
(define (extend2 seq elem)
"Extends a list with the given element, by putting it in
the (rest) of the last element of the sequence."
the (cdr ) of the last element of the sequence."
(print "addr of (end seq)" (addr-of (end seq)))
(if (pair? seq)
(if (cons? seq)
(let ((e (end seq)))
(print "addr if e inner" (addr-of e))
(mutate e (pair (first e) elem))
(mutate! e (cons (car e) elem))
seq))
elem)
(define (append seq elem)
"Appends an element to a sequence, by extendeing the list
with (pair elem nil)."
(extend seq (pair elem ())))
with (cons elem nil)."
(extend seq (cons elem ())))
(define (length seq)
"Returns the length of the given sequence."
(if (null? seq)
0
(+ 1 (length (rest seq)))))
(+ 1 (length (cdr seq)))))
(define (member? elem seq)
(when (pair? seq)
(if (= elem (first seq))
(when (cons? seq)
(if (= elem (car seq))
t
(member? elem (rest seq)))))
(member? elem (cdr seq)))))
(define (sublist-starting-at-index seq index)
(cond ((< index 0)
(error :index-out-of-range "sublist-starting-at-index: index must be positive"))
((null? seq) ())
((= 0 index) seq)
(else (sublist-starting-at (rest seq) (- index 1)))))
(else (sublist-starting-at (cdr seq) (- index 1)))))
(define (list-without-index seq index)
(cond ((or (< index 0) (null? seq))
(error :index-out-of-range "list-remove-index!: index out of range"))
((= 0 index) (rest seq))
(else (pair (first seq) (list-without-index (rest seq) (- index 1))))))
((= 0 index) (cdr seq))
(else (cons (car seq) (list-without-index (cdr seq) (- index 1))))))
(define (increment val)
"Adds one to the argument."
@@ -429,7 +433,7 @@ with (pair elem nil)."
"Returns a sequence of numbers starting with the number defined
by the key =from= and ends with the number defined in =to=."
(when (< from to)
(pair from (range :from (+ 1 from) :to to))))
(cons from (range :from (+ 1 from) :to to))))
(define (range-while (:from 0) :to)
"Returns a sequence of numbers starting with the number defined
@@ -439,19 +443,19 @@ by the key 'from' and ends with the number defined in 'to'."
(set! from (increment from))
(while (< from to)
(begin
(mutate head (pair (first head) (pair (copy from) nil)))
(define head (rest head))
(mutate! head (cons (car head) (cons (copy from) nil)))
(define head (cdr head))
(set! from (increment from))))
result)
(define (map fun seq)
"Takes a function and a sequence as arguments and returns a new
sequence which contains the results of using the first sequences
sequence which contains the results of using the car sequences
elemens as argument to that function."
(if (null? seq)
seq
(pair (fun (first seq))
(map fun (rest seq)))))
(cons (fun (car seq))
(map fun (cdr seq)))))
(define (reduce fun seq)
"Takes a function and a sequence as arguments and applies the
@@ -466,10 +470,10 @@ instead."
function to the argument sequence. reduce-binary applies the arguments
*pair-wise* which means it works with binary functions as compared to
[[=reduce=]]."
(if (null? (rest seq))
(first seq)
(fun (first seq)
(reduce-binary fun (rest seq)))))
(if (null? (cdr seq))
(car seq)
(fun (car seq)
(reduce-binary fun (cdr seq)))))
(define (filter fun seq)
"Takes a function and a sequence as arguments and applies the
@@ -477,25 +481,25 @@ function to every value in the sequence. If the result of that
funciton application returns a truthy value, the original value is
added to a list, which in the end is returned."
(when seq
(if (fun (first seq))
(pair (first seq)
(filter fun (rest seq)))
(filter fun (rest seq)))))
(if (fun (car seq))
(cons (car seq)
(filter fun (cdr seq)))
(filter fun (cdr seq)))))
(define (zip l1 l2)
(unless (and (null? l1) (null? l2))
(pair (list (first l1) (first l2))
(zip (rest l1) (rest l2)))))
(cons (list (car l1) (car l2))
(zip (cdr l1) (cdr l2)))))
(define (unzip lists)
(when lists
(define (iter lists l1 l2)
(define elem (first lists))
(define elem (car lists))
(if elem
(iter (rest lists)
(pair (first elem) l1)
(pair (first (rest elem)) l2))
(iter (cdr lists)
(cons (car elem) l1)
(cons (car (cdr elem)) l2))
(list l1 l2)))
(iter lists () ())))
@@ -503,8 +507,8 @@ added to a list, which in the end is returned."
(define (enumerate seq)
(define (enumerate-inner seq next-num)
(when seq
(pair (list (first seq) next-num)
(enumerate-inner (rest seq) (+ 1 next-num)))))
(cons (list (car seq) next-num)
(enumerate-inner (cdr seq) (+ 1 next-num)))))
(enumerate-inner seq 0))