51 lines
1.7 KiB
Racket
51 lines
1.7 KiB
Racket
#lang racket/base
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(provide startup)
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(require racket/file)
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(define (read-from-string s) (read (open-input-string s)))
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(define (startup)
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(define argv (current-command-line-arguments))
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;; skip first six
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(define program-argv (list->vector (cddr (cddddr (vector->list argv)))))
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(define init-code (read-from-string (vector-ref argv 0)))
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(define program-filename (vector-ref argv 1))
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(define language-module-spec (read-from-string (vector-ref argv 2)))
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(define transformer-module-spec (read-from-string (vector-ref argv 3)))
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(define use-require/copy? (read-from-string (vector-ref argv 4)))
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(define init-code-tmp-filename (make-temporary-file "drs-launcher-init~a"))
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(define-values (_1 init-code-mod-name _2) (split-path init-code-tmp-filename))
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(define stupid-internal-define-syntax2
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(set! init-code (cons (car init-code)
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(cons (string->symbol (path->string init-code-mod-name))
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(cddr init-code)))))
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(define stupid-internal-define-syntax1
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(call-with-output-file init-code-tmp-filename
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(λ (port)
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(write init-code port))
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#:exists 'truncate #:mode 'text))
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(define init-code-proc (dynamic-require init-code-tmp-filename 'init-code))
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(namespace-set-variable-value! 'argv program-argv)
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(current-command-line-arguments program-argv)
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(when language-module-spec
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(namespace-require language-module-spec))
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(when use-require/copy?
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(namespace-require/copy language-module-spec))
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(when transformer-module-spec
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(namespace-require `(for-syntax ,transformer-module-spec)))
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(init-code-proc)
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;; safe to do this earlier?
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(delete-file init-code-tmp-filename)
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(load program-filename))
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