cf9b0f774b
Also: - remove the restriction on the use of unquote in define-judgment-form - allows limited use (I modes only) of judgment-forms in terms - allows the use of define-relation with the search/unification based random term generation
27 lines
663 B
Racket
27 lines
663 B
Racket
(#rx"expected the name of the relation"
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([bad-def (define-relation syn-err-lang R)])
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bad-def)
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(#rx"expected a sequence of patterns separated by"
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([subset ⊂])
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(define-relation syn-err-lang R subset))
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(#rx"expected clause definitions"
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([bad-def (define-relation syn-err-lang foo ⊆ c)])
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bad-def)
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(#rx"expected a pattern"
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([cross ×])
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(define-relation syn-err-lang foo ⊆ c cross))
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(#rx"found a 'where' clause not at the end"
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([first-where (where any_c any_a)]
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[first-post-where (R () ())])
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(define-relation syn-err-lang
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[(R () ())]
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[(R (any_a) (any_b))
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(R any_c any_d)
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first-where
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(where any_d any_b)
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first-post-where]))
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