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89 lines
2.2 KiB
Racket
89 lines
2.2 KiB
Racket
#lang typed/racket/base
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(require (for-syntax racket/base racket/syntax))
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(provide (all-defined-out))
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(define-syntax (report stx)
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(syntax-case stx ()
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[(_ expr) #'(report expr expr)]
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[(_ expr name)
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#'(let ([expr-result expr])
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(eprintf "~a = ~v\n" 'name expr-result)
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expr-result)]))
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(define-syntax (report/line stx)
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(syntax-case stx ()
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[(_ expr) #'(report/line expr expr)]
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[(_ expr name)
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(with-syntax ([line (syntax-line #'expr)])
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#'(let ([expr-result expr])
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(eprintf "~a = ~v on line ~v\n" 'name expr-result line)
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expr-result))]))
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(define-syntax (report/file stx)
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(syntax-case stx ()
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[(_ expr) #'(report/file expr expr)]
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[(_ expr name)
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(with-syntax ([file (syntax-source #'expr)]
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[line (syntax-line #'expr)])
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#'(let ([expr-result expr])
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(eprintf "~a = ~v on line ~v in \"~a\"\n" 'name expr-result line 'file)
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expr-result))]))
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(define-syntax-rule (define-multi-version multi-name name)
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(define-syntax-rule (multi-name x (... ...))
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(begin (name x) (... ...))))
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(define-multi-version report* report)
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(define-multi-version report*/line report/line)
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(define-multi-version report*/file report/file)
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(define-syntax report-apply
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(syntax-rules ()
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[(report-apply proc expr)
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(let ([lst expr])
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(report (apply proc lst) (apply proc expr))
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lst)]
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[(report-apply proc expr #:line)
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(let ([lst expr])
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(report (apply proc lst) (apply proc expr) #:line)
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lst)]))
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#|
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(define-syntax (verbalize stx)
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(syntax-case stx ()
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[(_ proc args ...)
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(with-syntax ([proc-input (format-id stx "args to ~a" #'proc)])
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#'(begin
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(let () (report (list args ...) proc-input) (void))
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(report (proc args ...))))]))
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|#
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(define-syntax-rule (repeat num expr ...)
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(for/last ([i (in-range num)])
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expr ...))
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(define-syntax-rule (time-repeat num expr ...)
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(time (repeat num expr ...)))
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(define-syntax (time-repeat* stx)
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(syntax-case stx ()
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[(_ num expr ...)
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#'(let ([n num])
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(values (time-repeat n expr) ...))]))
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(define-syntax (compare stx)
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(syntax-case stx ()
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[(_ expr id id-alt ...)
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#'(values expr (let ([id id-alt]) expr) ...)]))
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