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51 lines
2.2 KiB
Racket
51 lines
2.2 KiB
Racket
#lang racket/base
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(require racket/file
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sugar/define
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"private/cache-utils.rkt"
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"private/debug.rkt"
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"setup.rkt")
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;; The cache is a hash with paths as keys.
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;; The cache values are also hashes, with key/value pairs for that path.
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(define+provide (reset-cache [starting-dir (setup:current-project-root)])
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(unless (and (path-string? starting-dir) (directory-exists? starting-dir))
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(raise-argument-error 'reset-cache "path-string to existing directory" starting-dir))
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(for ([path (in-directory starting-dir)]
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#:when (and (directory-exists? path)
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(equal? (path->string (car (reverse (explode-path path)))) (setup:cache-dir-name))))
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(message (format "removing cache directory: ~a" path))
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(delete-directory/files path)))
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(define-namespace-anchor cache-module-ns)
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(define cached-require-base
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(let ([ram-cache (make-hash)])
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(λ(path-or-path-string subkey caller-name)
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(define path (with-handlers ([exn:fail? (λ(e) (raise-argument-error caller-name "valid path or path-string" path-or-path-string))])
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(path->complete-path (if (path? path-or-path-string)
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path-or-path-string
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(string->path path-or-path-string)))))
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(unless (file-exists? path)
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(raise-argument-error caller-name "path to existing file" path-or-path-string))
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(cond
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[(setup:compile-cache-active path)
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(define key (paths->key path))
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(hash-ref (hash-ref! ram-cache key (λ _ (cache-ref! key (λ _ (path->hash path))))) subkey)]
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[else (parameterize ([current-namespace (make-base-namespace)])
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(namespace-attach-module (namespace-anchor->namespace cache-module-ns) 'pollen/setup) ; brings in params
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(dynamic-require path subkey))]))))
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(define+provide (cached-require path-string subkey)
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(cached-require-base path-string subkey 'cached-require))
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(define+provide (cached-doc path-string)
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(cached-require-base path-string (setup:main-export) 'cached-doc))
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(define+provide (cached-metas path-string)
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(cached-require-base path-string (setup:meta-export) 'cached-metas)) |