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fixing or patterns with different ids in branches

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This commit is contained in:
Alex Shinn 2020-08-26 16:07:52 +09:00
parent 11852c6390
commit dda71763a5
2 changed files with 3 additions and 1 deletions
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1
lib/chibi/match-test.sld
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@ -31,6 +31,7 @@
(test "or empty" 'ok (match '(o k) ((or) 'fail) (else 'ok))) (test "or empty" 'ok (match '(o k) ((or) 'fail) (else 'ok)))
(test "or single" 'ok (match 'ok ((or x) 'ok))) (test "or single" 'ok (match 'ok ((or x) 'ok)))
(test "or double" 'ok (match 'ok ((or (? symbol? y) y) y))) (test "or double" 'ok (match 'ok ((or (? symbol? y) y) y)))
(test "or unbalanced" 1 (match 1 ((or (and 1 x) (and 2 y)) x)))
(test "not" 'ok (match 28 ((not (a . b)) 'ok))) (test "not" 'ok (match 28 ((not (a . b)) 'ok)))
(test "pred" 'ok (match 28 ((? number?) 'ok))) (test "pred" 'ok (match 28 ((? number?) 'ok)))
(test "named pred" 29 (match 28 ((? number? x) (+ x 1)))) (test "named pred" 29 (match 28 ((? number? x) (+ x 1))))

3
lib/chibi/match/match.scm
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@ -531,7 +531,8 @@
(define-syntax match-gen-or (define-syntax match-gen-or
(syntax-rules () (syntax-rules ()
((_ v p g+s (sk ...) fk (i ...) ((id id-ls) ...)) ((_ v p g+s (sk ...) fk (i ...) ((id id-ls) ...))
(let ((sk2 (lambda (id ...) (sk ... (i ... id ...))))) (let ((sk2 (lambda (id ...) (sk ... (i ... id ...))))
(id (if #f #f)) ...)
(match-gen-or-step v p g+s (match-drop-ids (sk2 id ...)) fk (i ...)))))) (match-gen-or-step v p g+s (match-drop-ids (sk2 id ...)) fk (i ...))))))
(define-syntax match-gen-or-step (define-syntax match-gen-or-step