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https://github.com/janet-lang/janet
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64 lines
2.2 KiB
Janet
64 lines
2.2 KiB
Janet
# Copyright (c) 2023 Calvin Rose
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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# Assembly test
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# Fibonacci sequence, implemented with naive recursion.
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# a679f60
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(def fibasm (asm '{
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:arity 1
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:bytecode [
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(ltim 1 0 0x2) # $1 = $0 < 2
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(jmpif 1 :done) # if ($1) goto :done
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(lds 1) # $1 = self
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(addim 0 0 -0x1) # $0 = $0 - 1
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(push 0) # push($0), push argument for next function call
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(call 2 1) # $2 = call($1)
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(addim 0 0 -0x1) # $0 = $0 - 1
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(push 0) # push($0)
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(call 0 1) # $0 = call($1)
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(add 0 0 2) # $0 = $0 + $2 (integers)
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:done
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(ret 0) # return $0
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]
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}))
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(assert (= 0 (fibasm 0)) "fibasm 1")
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(assert (= 1 (fibasm 1)) "fibasm 2")
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(assert (= 55 (fibasm 10)) "fibasm 3")
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(assert (= 6765 (fibasm 20)) "fibasm 4")
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# dacbe29
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(def f (asm (disasm (fn [x] (fn [y] (+ x y))))))
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(assert (= ((f 10) 37) 47) "asm environment tables")
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# issue #1424
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(assert-no-error "arity > used slots (issue #1424)"
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(asm
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(disasm
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(fn []
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(def foo (fn [one two] one))
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(foo 100 200)))))
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(end-suite)
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