зеркало из https://github.com/mozilla/pjs.git
17 строки
546 B
Common Lisp
17 строки
546 B
Common Lisp
(progn
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(defparameter *trw*
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(generate-world
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"TTR"
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'((grammar test-to-rational-grammar :lalr-1 :start)
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(production :start () start-none)
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(define (to-rational (x finite-general-number)) rational
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(case x
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(:select (tag +zero32 +zero64 -zero32 -zero64) (return 0))
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(:narrow (union nonzero-finite-float32 nonzero-finite-float64 long u-long) (return (& value x))))))))
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(defparameter *trg* (world-grammar *trw* 'test-to-rational-grammar)))
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(length (grammar-states *trg*))
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