40 lines
1004 B
Racket
Executable File
40 lines
1004 B
Racket
Executable File
#!/usr/bin/env racket
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#lang racket/base
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(require json
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racket/list
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racket/port
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racket/pretty)
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(define current-header (make-parameter #f))
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(define (check-block blk)
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(define c (hash-ref blk 'c))
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(define t (hash-ref blk 't))
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(when (equal? t "Header")
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(current-header (first (second c))))
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(when (equal? t "CodeBlock")
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(define content (second c))
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(for ([line (in-lines (open-input-string content))])
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(when (> (string-length line) 80)
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(eprintf "WARNING: [#~a] found code line > 80\n" (current-header))))))
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(define (check-any thing)
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(when (list? thing)
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(for-each check-any thing))
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(when (hash? thing)
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(when (and (hash-has-key? thing 'c) (hash-has-key? thing 't))
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(check-block thing))
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(for-each check-any (hash-values thing))))
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(define (check-ast doc-ast)
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(check-any (hash-ref doc-ast 'blocks)))
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(module+ main
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(define doc-ast (read-json))
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(current-header "<top level>")
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(check-ast doc-ast)
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(write-json doc-ast))
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