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Setup to use macro from test library

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This commit is contained in:
Justin Ethier 2015-08-14 01:49:34 -04:00
parent d228871f04
commit ca739ab9d0
1 changed files with 25 additions and 24 deletions
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49
test2.scm
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@ -5,6 +5,7 @@
;
;
(import (scheme base)
(test-lib test)
(scheme eval)
(scheme write))
@ -17,36 +18,36 @@
;
; WTF is the macro unable to be evaluated when the same code works as part of *defined-macros*???
;
(define-syntax test
(er-macro-transformer
(lambda (expr rename compare)
(cond ((null? (cdr expr)) #t)
; (cond ((null? (cdr expr)))
((null? (cddr expr)) (cadr expr))
(else (list (rename 'if) (cadr expr)
(cons (rename 'and) (cddr expr))
#f))))))
(define-syntax or
(er-macro-transformer
(lambda (expr rename compare)
(cond ((null? (cdr expr)) #f)
((null? (cddr expr)) (cadr expr))
(else
(list (rename 'let) (list (list (rename 'tmp) (cadr expr)))
(list (rename 'if) (rename 'tmp)
(rename 'tmp)
(cons (rename 'or) (cddr expr)))))))))
;(define-syntax test
; (er-macro-transformer
; (lambda (expr rename compare)
; (cond ((null? (cdr expr)) #t)
;; (cond ((null? (cdr expr)))
; ((null? (cddr expr)) (cadr expr))
; (else (list (rename 'if) (cadr expr)
; (cons (rename 'and) (cddr expr))
; #f))))))
;
;(define-syntax or
; (er-macro-transformer
; (lambda (expr rename compare)
; (cond ((null? (cdr expr)) #f)
; ((null? (cddr expr)) (cadr expr))
; (else
; (list (rename 'let) (list (list (rename 'tmp) (cadr expr)))
; (list (rename 'if) (rename 'tmp)
; (rename 'tmp)
; (cons (rename 'or) (cddr expr)))))))))
(write (test 1 2 3))
(write (or 1 2 3 'or))
(write (or #f 2 3 'or))
(write (my-or 1 2 3 'or))
(write (my-or #f 2 3 'or))
;(test 'done)
'done
(define x 1)
(write x)
(write
(eval 'or))
(eval 'my-or))
(write
(eval '(or 1 2 x)))
(eval '(my-or 1 2 x)))