Finish implementation of query inside amb-evaluator

This commit is contained in:
2021-03-13 19:19:34 -05:00
parent 1416e3c913
commit 8139622b44
2 changed files with 30 additions and 20 deletions

View File

@@ -329,8 +329,6 @@
(apply-in-underlying-scheme
(primitive-implementation proc) args))
(define input-prompt ";;; M-Eval input:")
(define output-prompt ";;; M-Eval value:")
@@ -394,7 +392,6 @@
((if-fail? exp) (analyze-if-fail exp))
((lambda? exp) (analyze-lambda exp))
((begin? exp) (analyze-sequence (begin-actions exp)))
((apply? exp) (analyze-apply (cdr exp)))
((cond? exp) (analyze (cond->if exp)))
((let? exp) (analyze (let->combination exp))) ;**
((amb? exp) (analyze-amb exp)) ;**
@@ -406,12 +403,6 @@
(else
(error "Unknown expression type -- ANALYZE" exp))))
(define (apply? exp) (tagged-list? exp 'apply))
(define (analyze-apply exp)
(display "ANALYZE-APPLY ") (newline)
(display exp)
(lambda (env succeed fail) (succeed #t fail)))
(define (ambeval exp env succeed fail)
((analyze exp) env succeed fail))
@@ -682,8 +673,10 @@
(list 'abs abs)
(list 'assoc assoc)
(list 'append append)
(list 'caddr caddr)
(list 'cadr cadr)
(list 'car car)
(list 'cddr cddr)
(list 'cdr cdr)
(list 'cons cons)
(list 'display display)