janet/test/suite-asm.janet

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# Copyright (c) 2023 Calvin Rose
#
# 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)
# Assembly test
# Fibonacci sequence, implemented with naive recursion.
# a679f60
(def fibasm (asm '{
:arity 1
:bytecode [
(ltim 1 0 0x2) # $1 = $0 < 2
(jmpif 1 :done) # if ($1) goto :done
(lds 1) # $1 = self
(addim 0 0 -0x1) # $0 = $0 - 1
(push 0) # push($0), push argument for next function call
(call 2 1) # $2 = call($1)
(addim 0 0 -0x1) # $0 = $0 - 1
(push 0) # push($0)
(call 0 1) # $0 = call($1)
(add 0 0 2) # $0 = $0 + $2 (integers)
:done
(ret 0) # return $0
]
}))
(assert (= 0 (fibasm 0)) "fibasm 1")
(assert (= 1 (fibasm 1)) "fibasm 2")
(assert (= 55 (fibasm 10)) "fibasm 3")
(assert (= 6765 (fibasm 20)) "fibasm 4")
# dacbe29
(def f (asm (disasm (fn [x] (fn [y] (+ x y))))))
(assert (= ((f 10) 37) 47) "asm environment tables")
# issue #1424
(assert-no-error "arity > used slots (issue #1424)"
(asm
(disasm
(fn []
(def foo (fn [one two] one))
(foo 100 200)))))
(end-suite)