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23 lines
494 B
Scheme
23 lines
494 B
Scheme
#cs
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(module token mzscheme
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;; Defining tokens
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(require-for-syntax "token-syntax.ss")
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(provide define-tokens define-empty-tokens token-name token-value token?)
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(define-struct token (name value) (make-inspector))
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(define-syntax (define-tokens stx)
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(syntax-case stx ()
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((_ name ...)
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(define-tokens-helper stx #'here #f))))
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(define-syntax (define-empty-tokens stx)
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(syntax-case stx ()
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((_ name ...)
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(define-tokens-helper stx #'here #t))))
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)
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