67 lines
1.7 KiB
Racket
67 lines
1.7 KiB
Racket
#lang racket
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(require drracket/private/get-defs
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racket/gui
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string-constants)
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(define (get-definitions/string
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string
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#:define-prefix [define-prefix "(define"])
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(define text (new text%))
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(send text insert (make-object string-snip% string))
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(get-definitions define-prefix #f text))
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(define-syntax (test-definitions stx)
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(syntax-case stx ()
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[(_ string ((name start end) ...))
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#`(let ([actual (map (match-lambda [(defn _ n s e)
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(list n s e)])
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(get-definitions/string string))]
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[expected (list (list name start end) ...)])
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(unless (equal? actual expected)
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(eprintf "Test failure at ~a\nActual: ~s\nExpected: ~s\n"
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#,(format "~a:~a:~a"
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(syntax-source #'stx)
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(syntax-line #'stx)
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(syntax-column #'stx))
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actual
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expected)))]))
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(test-definitions
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#<<END
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(define x 1)
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(define (f x)
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(define y x)
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y)
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(define y 2)
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(define
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END
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(("x" 0 12)
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; The end positions for f and the inner y look wrong to me.
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; If they look wrong to you too (but you know what you're doing),
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; please change the tests.
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("f" 13 28)
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("y" 29 46)
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("y" 47 59)
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((string-constant end-of-buffer-define) 60 67)))
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(test-definitions
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#<<END
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(define-metafunction L
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f : p -> q
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[(f p) t])
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(define-metafunction L
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[(g p) t])
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(define-metafunction/extension f L
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h : p -> q
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[(h p) t])
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(define-metafunction/extension f L
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[(i p) t])
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(define-metafunction
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END
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(("f" 0 48)
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("g" 49 84)
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("h" 85 145)
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("i" 146 193)
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((string-constant end-of-buffer-define) 194 214)))
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