mirror of
https://github.com/janet-lang/janet
synced 2024-12-01 12:29:54 +00:00
130 lines
4.5 KiB
Plaintext
130 lines
4.5 KiB
Plaintext
# Copyright (c) 2020 Calvin Rose & contributors
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to
|
|
# deal in the Software without restriction, including without limitation the
|
|
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
# sell copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
# IN THE SOFTWARE.
|
|
|
|
(import ./helper :prefix "" :exit true)
|
|
(start-suite 8)
|
|
|
|
###
|
|
### Compiling brainfuck to Janet.
|
|
###
|
|
|
|
(def- bf-peg
|
|
"Peg for compiling brainfuck into a Janet source ast."
|
|
(peg/compile
|
|
~{:+ (/ '(some "+") ,(fn [x] ~(+= (DATA POS) ,(length x))))
|
|
:- (/ '(some "-") ,(fn [x] ~(-= (DATA POS) ,(length x))))
|
|
:> (/ '(some ">") ,(fn [x] ~(+= POS ,(length x))))
|
|
:< (/ '(some "<") ,(fn [x] ~(-= POS ,(length x))))
|
|
:. (* "." (constant (prinf "%c" (get DATA POS))))
|
|
:loop (/ (* "[" :main "]") ,(fn [& captures]
|
|
~(while (not= (get DATA POS) 0)
|
|
,;captures)))
|
|
:main (any (+ :s :loop :+ :- :> :< :.)) }))
|
|
|
|
(defn bf
|
|
"Run brainfuck."
|
|
[text]
|
|
(eval
|
|
~(let [DATA (array/new-filled 100 0)]
|
|
(var POS 50)
|
|
,;(peg/match bf-peg text))))
|
|
|
|
(defn test-bf
|
|
"Test some bf for expected output."
|
|
[input output]
|
|
(def b @"")
|
|
(with-dyns [:out b]
|
|
(bf input))
|
|
(assert (= (string output) (string b))
|
|
(string "bf input '"
|
|
input
|
|
"' failed, expected "
|
|
(describe output)
|
|
", got "
|
|
(describe (string b))
|
|
".")))
|
|
|
|
(test-bf "++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++." "Hello World!\n")
|
|
|
|
(test-bf ">++++++++[-<+++++++++>]<.>>+>-[+]++>++>+++[>[->+++<<+++>]<<]>-----.>->
|
|
+++..+++.>-.<<+[>[+>+]>>]<--------------.>>.+++.------.--------.>+.>+."
|
|
"Hello World!\n")
|
|
|
|
(test-bf "+[+[<<<+>>>>]+<-<-<<<+<++]<<.<++.<++..+++.<<++.<---.>>.>.+++.------.>-.>>--."
|
|
"Hello, World!")
|
|
|
|
# Prompts and Labels
|
|
|
|
(assert (= 10 (label a (for i 0 10 (if (= i 5) (return a 10))))) "label 1")
|
|
|
|
(defn recur
|
|
[lab x y]
|
|
(when (= x y) (return lab :done))
|
|
(def res (label newlab (recur (or lab newlab) (+ x 1) y)))
|
|
(if lab :oops res))
|
|
(assert (= :done (recur nil 0 10)) "label 2")
|
|
|
|
(assert (= 10 (prompt :a (for i 0 10 (if (= i 5) (return :a 10))))) "prompt 1")
|
|
|
|
(defn- inner-loop
|
|
[i]
|
|
(if (= i 5)
|
|
(return :a 10)))
|
|
|
|
(assert (= 10 (prompt :a (for i 0 10 (inner-loop i)))) "prompt 2")
|
|
|
|
(defn- inner-loop2
|
|
[i]
|
|
(try
|
|
(if (= i 5)
|
|
(error 10))
|
|
([err] (return :a err))))
|
|
|
|
(assert (= 10 (prompt :a (for i 0 10 (inner-loop2 i)))) "prompt 3")
|
|
|
|
# Match checks
|
|
|
|
(assert (= :hi (match nil nil :hi)) "match 1")
|
|
(assert (= :hi (match {:a :hi} {:a a} a)) "match 2")
|
|
(assert (= nil (match {:a :hi} {:a a :b b} a)) "match 3")
|
|
(assert (= nil (match [1 2] [a b c] a)) "match 4")
|
|
(assert (= 2 (match [1 2] [a b] b)) "match 5")
|
|
|
|
# And/or checks
|
|
|
|
(assert (= false (and false false)) "and 1")
|
|
(assert (= false (or false false)) "or 1")
|
|
|
|
# #300 Regression test
|
|
|
|
# Just don't segfault
|
|
(assert (peg/match '{:main (replace "S" {"S" :spade})} "S7") "regression #300")
|
|
|
|
# Test cases for #293
|
|
(assert (= :yes (match [1 2 3] [_ a _] :yes :no)) "match wildcard 1")
|
|
(assert (= :no (match [1 2 3] [__ a __] :yes :no)) "match wildcard 2")
|
|
(assert (= :yes (match [1 2 [1 2 3]] [_ a [_ _ _]] :yes :no)) "match wildcard 3")
|
|
(assert (= :yes (match [1 2 3] (_ (even? 2)) :yes :no)) "match wildcard 4")
|
|
(assert (= :yes (match {:a 1} {:a _} :yes :no)) "match wildcard 5")
|
|
(assert (= false (match {:a 1 :b 2 :c 3} {:a a :b _ :c _ :d _} :no {:a _ :b _ :c _} false :no)) "match wildcard 6")
|
|
(assert (= nil (match {:a 1 :b 2 :c 3} {:a a :b _ :c _ :d _} :no {:a _ :b _ :c _} nil :no)) "match wildcard 7")
|
|
|
|
(end-suite)
|