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11 lines
516 B
Racket
11 lines
516 B
Racket
8 years ago
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#lang racket/base
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(provide (all-defined-out))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; These are just here to provide bindings for Check Syntax.
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;; Otherwise, we should never hit these, as the toplevel rules-codegen
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;; should eliminate all uses of these if it does the right thing.
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7 years ago
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(define-syntax-rule (define-errors ID ...)
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(begin (define (ID stx) (raise-syntax-error 'ID "Used out of context of rules" stx)) ...))
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(define-errors rules rule id lit token choice repeat maybe seq)
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