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#| Copyright 2024 Peter McGoron
|
| 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.
|#
;;; ;;;;;;;;;;;;
;;; API
;;; ;;;;;;;;;;;;
(define (set-global-SAHP! SAHP type procedure)
(%SAHP-add-to-global/subtypes (extract-SAHP-descriptor SAHP)
type
procedure))
(define-syntax define-global-SAHP
(syntax-rules ()
((_ (name (type arg1) . arg-rest) body ...)
(set-global-SAHP! name
type
(lambda (arg1 . arg-rest)
body ...)))))
(define-syntax parameterize-SAHP
(syntax-rules ()
((_ ((SAHP (type value) ...) ...) body ...)
(let ((param (SAHP-dynamic-scope-parameter (extract-SAHP-descriptor
SAHP)))
...)
(parameterize ((param (%SAHP-set/subtypes (param)
(list type ...)
(list value ...)))
...)
body ...)))))
(define-syntax letrec-SAHP
(syntax-rules ()
((_ ((SAHP (type value) ...) ...) body ...)
(let ((%SAHP (extract-SAHP-descriptor SAHP)) ...)
(letrec ((SAHP (%SAHP/local-scope
%SAHP
(%SAHP-set/subtypes (SAHP-local-scope
%SAHP)
(list type ...)
(list value ...))))
...)
body ...)))))
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