make library hierarchy again

1 files changed, 0 insertions, 125 deletions

diff --git a/SAHP/SAHP.internal-common.scm b/SAHP/SAHP.internal-common.scm
deleted file mode 100644
index 9030c7c..0000000
--- a/SAHP/SAHP.internal-common.scm
+++ /dev/null
@@ -1,125 +0,0 @@
-#| 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.
- |#
-
-
-;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;; Utilities
-;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(define symbol-comparator
-  (make-comparator symbol?
-                   symbol=?
-                   (lambda (s1 s2)
-                     (string<=? (symbol->string s1)
-                                (symbol->string s2)))
-                   (lambda (s)
-                     (string-hash (symbol->string s)))))
-
-(define (make-symbol-mapping)
-  (mapping symbol-comparator))
-
-;;; ;;;;;;;;;;;;;;;;;;;;
-;;; Defining the SAHP object
-;;; ;;;;;;;;;;;;;;;;;;;;
-
-(define-record-type <SAHP-descriptor>
-  (make-SAHP-descriptor local-scope dynamic-scope global-scope)
-  SAHP-descriptor?
-  (local-scope SAHP-local-scope)
-  (dynamic-scope SAHP-dynamic-scope-parameter)
-  (global-scope SAHP-global-scope))
-
-(define-record-type <SAHP-entry>
-  (make-SAHP-entry procedure inherited?)
-  SAHP-entry?
-  (procedure SAHP-entry-procedure)
-  (inherited? SAHP-entry-inherited?))
-
-(define (SAHP=? sahp1 sahp2)
-  (eq? (SAHP-global-scope (extract-SAHP-descriptor sahp1))
-       (SAHP-global-scope (extract-SAHP-descriptor sahp2))))
-
-;;; ;;;;;;;;;;;;;;;;;;;;;;
-;;; Handling scope
-;;; ;;;;;;;;;;;;;;;;;;;;;;
-
-(define (add-to-scope/subtypes scope type value)
-  (define (entry-is-empty-or-inherited? scope type)
-    (mapping-ref scope type (lambda () #t) SAHP-entry-inherited?))
-  (define (recurse-on-subtype subtype scope)
-    (if (entry-is-empty-or-inherited? scope subtype)
-        (fold recurse-on-subtype
-              (mapping-set scope
-                           subtype
-                           (make-SAHP-entry value #t))
-              (subtypes subtype))
-        scope))
-  (fold recurse-on-subtype
-        (mapping-set scope
-                     type
-                     (make-SAHP-entry value #f))
-        (subtypes type)))
-
-(define (%SAHP-add-to-global/subtypes SAHP-desc type value)
-  (define table (SAHP-global-scope SAHP-desc))
-  (define (empty-or-inherited? type)
-    (let ((entry (hash-table-ref/default table type #f)))
-      (if (SAHP-entry? entry)
-          (SAHP-entry-inherited? entry)
-          #t)))
-  (define (recurse-on-subtype type)
-    (when (empty-or-inherited? type)
-      (hash-table-set! table type (make-SAHP-entry value #t))
-      (for-each recurse-on-subtype (subtypes type))))
-  (hash-table-set! table type (make-SAHP-entry value #f))
-  (for-each recurse-on-subtype (subtypes type)))
-
-(define (%SAHP-set/subtypes scope types values)
-  (cond
-    ((null? types) scope)
-    (else (%SAHP-set/subtypes (add-to-scope/subtypes
-                               scope
-                               (car types)
-                               (car values))
-                              (cdr types)
-                              (cdr values)))))
-
-(define (%SAHP/local-scope SAHP local-scope)
-  (%make-derived-SAHP
-   (make-SAHP-descriptor local-scope
-                         (SAHP-dynamic-scope-parameter SAHP)
-                         (SAHP-global-scope SAHP))))
-
-;;; ;;;;;;;;;;;;;;;;;;;;;;
-;;; Lookup
-;;; ;;;;;;;;;;;;;;;;;;;;;;
-
-(define cannot-find-implementation-str
-  "cannot find implementation")
-
-(define (SAHP-implementation-not-found-error? x)
-  (and (error-object? x)
-       (eq? (error-object-message x) cannot-find-implementation-str)))
-
-(define (lookup-SAHP-implementation desc type)
-  (or (mapping-ref/default (SAHP-local-scope desc) type #f)
-      (mapping-ref/default ((SAHP-dynamic-scope-parameter desc)) type #f)
-      (hash-table-ref/default (SAHP-global-scope desc) type #f)
-      (error cannot-find-implementation-str desc type)))
-
-(define (call-SAHP desc type arguments)
-  (apply (SAHP-entry-procedure (lookup-SAHP-implementation desc type))
-         arguments))