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|
#| Copyright 2025 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!
(case-lambda
((SAHP type procedure)
(set-global-SAHP! SAHP type '() procedure))
((SAHP type flag procedure)
(%SAHP-set (SAHP-global-scope (extract-SAHP-descriptor SAHP))
(list (list type flag procedure))))))
(define-syntax define-global-SAHP
(syntax-rules ()
((_ (name (type flag arg1) . arg-rest) body ...)
(set-global-SAHP! name
type
flag
(lambda (arg1 . arg-rest)
body ...)))
((_ (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 ...)
(parameterize-SAHP ((SAHP (type '() value) ...) ...) body ...))
((_ ((SAHP (type flag value) ...) ...) body ...)
(let ((param (SAHP-dynamic-scope-parameter (extract-SAHP-descriptor
SAHP)))
...)
(parameterize ((param (%SAHP-set (param)
(list (list type flag value)
...)))
...)
body ...)))))
(define-syntax letrec-SAHP
(syntax-rules ()
((_ ((SAHP (type value) ...) ...) body ...)
(letrec-SAHP ((SAHP (type '() value) ...) ...) body ...))
((_ ((SAHP (type flag value) ...) ...) body ...)
(let ((%SAHP (extract-SAHP-descriptor SAHP)) ...)
(letrec ((SAHP (%SAHP/local-scope
%SAHP
(%SAHP-set (SAHP-local-scope %SAHP)
(list (list type flag value)
...))))
...)
body ...)))))
|
