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;;; R7RS (scheme process-context) library
;;; Copyright (C) 2024 Igalia, S.L.
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
;;; Commentary:
;;;
;;; R7RS (scheme process-context) implementation
;;;
;;; Code:
(library (scheme process-context)
(export command-line
get-environment-variable
get-environment-variables
emergency-exit
exit)
(import (scheme base)
(only (hoot errors) make-unimplemented-error)
(hoot inline-wasm)
(hoot match)
(only (hoot syntax) define*))
(define (command-line) '())
(define (get-environment-variable name) #f)
(define (get-environment-variables) '())
(define* (emergency-exit #:optional status)
(raise (make-unimplemented-error 'emergency-exit)))
(define* (exit #:optional status)
;; TODO: Spec says to run all dynamic-wind after procedures.
(%inline-wasm
'(func (param $status i32)
(call $quit (local.get $status))
(unreachable))
(match status
(#t 0)
(#f 1)
((? exact-integer?) status)
(_ 1)))))
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