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partial fix for issue #816

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This commit is contained in:
Alex Shinn 2022-03-15 23:45:59 +09:00
parent 452b9a528d
commit 9fe1e69c23
2 changed files with 9 additions and 5 deletions
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6
lib/chibi/syntax-case.sld
View file

@ -8,12 +8,12 @@
(import (rename (chibi)
(define-syntax %define-syntax)
(let-syntax %let-syntax)
(letrec-syntax %letrec-syntax)
make-variable-transformer)
(letrec-syntax %letrec-syntax))
(only (chibi ast)
env-cell macro? macro-aux macro-aux-set!
procedure-arity procedure-variadic?
procedure-variable-transformer?)
procedure-variable-transformer?
make-variable-transformer)
(only (meta) environment)
(srfi 1)
(srfi 11)

8
lib/init-7.scm
View file

@ -873,8 +873,12 @@
(set! count (+ count 1))
(rename (string->symbol (string-append s (%number->string count)))))
(define (expand-pattern pat tmpl)
(let lp ((p (if (pair? pat) (cdr pat) pat))
(x (if (pair? pat) (list _cdr _expr) _expr))
(define full-match?
(or (not (pair? pat))
(and (compare (car pat) (rename 'set!))
(any (lambda (x) (compare x (rename 'set!))) lits))))
(let lp ((p (if full-match? pat (cdr pat)))
(x (if full-match? _expr (list _cdr _expr)))
(dim 0)
(vars '())
(k (lambda (vars)