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25 lines
493 B
Scheme
25 lines
493 B
Scheme
#cs
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(module terminal mzscheme
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;; Defining tokens
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(require-for-syntax "terminal-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))
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(define-syntax define-tokens
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(lambda (stx)
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(syntax-case stx ()
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((_ name ...)
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(define-tokens-helper stx #'hack #f)))))
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(define-syntax define-empty-tokens
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(lambda (stx)
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(syntax-case stx ()
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((_ name ...)
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(define-tokens-helper stx #'hack #t)))))
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)
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