Remove ignored files
This commit is contained in:
Mateus Pinto Rodrigues
315
elpa/geiser-20180626.440/scheme/racket/geiser/autodoc.rkt
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315
elpa/geiser-20180626.440/scheme/racket/geiser/autodoc.rkt
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;;; autodoc.rkt -- suport for autodoc echo
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;; Copyright (C) 2009, 2010, 2011, 2012, 2013 Jose Antonio Ortega Ruiz
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the Modified BSD License. You should
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;; have received a copy of the license along with this program. If
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;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
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;; Start date: Sun May 03, 2009 14:45
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#lang racket
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(provide autodoc
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symbol-documentation
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module-exports
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update-signature-cache
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preload-help
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get-help)
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(require racket/help
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geiser/utils
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geiser/modules
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geiser/locations)
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(define loader-thread #f)
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(define (preload-help)
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(set! loader-thread
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(thread (lambda ()
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(with-output-to-string (lambda ()
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(help meh-i-dont-exist)))))))
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(define here (current-namespace))
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(define (get-help symbol mod)
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(when loader-thread
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(thread-wait loader-thread)
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(set! loader-thread #f))
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(if (eq? symbol mod)
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(get-mod-help mod)
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(with-handlers ([exn? (lambda (_) (eval `(help ,symbol) here))])
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(eval `(help ,symbol #:from ,(ensure-module-spec mod)) here))))
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(define (get-mod-help mod)
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(let-values ([(ids syns) (module-identifiers mod)])
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(let ([sym (cond [(not (null? syns)) (car syns)]
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[(not (null? ids)) (car ids)]
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[else #f])])
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(and sym (get-help sym mod)))))
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(define (symbol-documentation sym)
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(let* ([val (value sym (symbol-module sym))]
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[sign (autodoc* sym)])
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(and sign
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(list (cons "signature" (autodoc* sym #f))
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(cons "docstring" (docstring sym val sign))))))
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(define (docstring sym val sign)
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(let* ([mod (assoc "module" (cdr sign))]
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[mod (if mod (cdr mod) "<unknown>")]
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[id (namespace-symbol->identifier sym)]
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[desc (if (identifier? id) (format "~%~%~a" (describe id sym)) "")])
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(if val
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(format "A ~a in module ~a.~a~a~a"
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(if (procedure? val) "procedure" "variable")
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mod
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(if (procedure? val)
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""
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(format "~%~%Value:~%~% ~a" val))
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(if (has-contract? val)
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(format "~%~%Contract:~%~% ~a"
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(contract-name (value-contract val)))
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"")
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desc)
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(format "An identifier in module ~a.~a" mod desc))))
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;; Lifted from Eli's interactive.rkt
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(define (describe id s)
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(define b (identifier-binding id))
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(cond
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[(not b) (format "`~s' is a toplevel (or unbound) identifier." s)]
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[(eq? b 'lexical) (format "`~s' is a lexical identifier." s)]
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[(or (not (list? b)) (not (= 7 (length b))))
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"*** internal error, racket changed ***"]
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[else
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(let-values ([(source-mod source-id
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nominal-source-mod nominal-source-id
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source-phase import-phase
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nominal-export-phase)
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(apply values b)])
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(let ([aliased (not (eq? s source-id))]
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[for-syn (eqv? source-phase 1)]
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[amod (not (equal? source-mod nominal-source-mod))]
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[aid (not (eq? s nominal-source-id))])
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(if (or aliased for-syn amod aid)
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(string-append
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"Defined"
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(if for-syn " for syntax" "")
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(if aliased (format " as `~s' " source-id) "")
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(if amod
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(format " in module ~a\nand required~a in module ~a"
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(module-path-index->name source-mod)
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(if (eqv? import-phase 1) "-for-syntax" "")
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(module-path-index->name nominal-source-mod))
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"")
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(if aid
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(format ",\nwhere it is defined as `~s'" nominal-source-id)
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"")
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".")
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"")))]))
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(define (value id mod)
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(with-handlers ([exn? (const #f)])
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(dynamic-require mod id (const #f))))
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(define (autodoc ids)
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(map (lambda (id) (or (autodoc* id) (list id)))
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(if (list? ids) ids '())))
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(define (autodoc* id (extra #t))
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(define (val)
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(with-handlers ([exn? (const "")])
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(parameterize ([error-print-width 60])
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(format "~.a" (namespace-variable-value id)))))
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(and
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(symbol? id)
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(let* ([loc (symbol-location* id)]
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[name (car loc)]
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[path (cdr loc)]
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[sgns (and path (find-signatures path name id))]
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[value (if (and extra sgns (not (list? sgns)))
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(list (cons "value" (val)))
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'())]
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[mod (if (and extra sgns path)
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(list (cons "module"
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(module-path-name->name path)))
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'())])
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(and sgns
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`(,id
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("name" . ,name)
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("args" ,@(if (list? sgns) (map format-signature sgns) '()))
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,@value
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,@mod)))))
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(define (format-signature sign)
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(if (signature? sign)
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`(("required" ,@(signature-required sign))
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("optional" ,@(signature-optional sign)
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,@(let ((rest (signature-rest sign)))
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(if rest (list "...") '())))
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("key" ,@(signature-keys sign)))
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'()))
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(define signatures (make-hash))
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(struct signature (required optional keys rest))
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(define (find-signatures path name local-name)
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(let ([path (if (path? path) (path->string path) path)])
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(hash-ref! (hash-ref! signatures
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path
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(lambda () (parse-signatures path)))
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name
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(lambda () (infer-signatures local-name)))))
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(define (parse-signatures path)
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(let ([result (make-hasheq)])
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(with-handlers ([exn? (lambda (e) result)])
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(with-input-from-file path
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(lambda ()
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(parameterize ([read-accept-reader #t])
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(let loop ([stx (read-syntax path)])
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(cond [(eof-object? stx) void]
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[(syntax->datum stx) =>
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(lambda (datum)
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(parse-datum! datum result)
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(loop (read-syntax path)))]
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[else void]))))))
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result))
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(define (parse-datum! datum store)
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(with-handlers ([exn? (lambda (_) void)])
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(match datum
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[`(module ,name ,lang (#%module-begin . ,forms))
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(for-each (lambda (f) (parse-datum! f store)) forms)]
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[`(module ,name ,lang . ,forms)
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(for-each (lambda (f) (parse-datum! f store)) forms)]
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[`(define ((,name . ,formals) . ,_) . ,_)
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(add-signature! name formals store)]
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[`(define (,name . ,formals) . ,_)
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(add-signature! name formals store)]
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[`(define ,name (lambda ,formals . ,_))
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(add-signature! name formals store)]
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[`(define ,name (case-lambda ,clauses ...))
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(for-each (lambda (c) (add-signature! name (car c) store))
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(reverse clauses))]
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[`(,(or 'struct 'define-struct) ,name ,(? symbol? _)
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,(list formals ...) . ,_)
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(add-signature! name formals store)]
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[`(,(or 'struct 'define-struct) ,name ,(list formals ...) . ,_)
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(add-signature! name formals store)]
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[`(define-for-syntax (,name . ,formals) . ,_)
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(add-signature! name formals store)]
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[`(define-for-syntax ,name (lambda ,formals . ,_))
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(add-signature! name formals store)]
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[`(define-syntax-rule (,name . ,formals) . ,_)
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(add-signature! name formals store)]
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[`(define-syntax ,name (syntax-rules ,specials . ,clauses))
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(for-each (lambda (c) (add-syntax-signature! name (cdar c) store))
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(reverse clauses))]
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[`(define-syntax ,name (lambda ,_ (syntax-case ,_ . ,clauses)))
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(for-each (lambda (c) (add-syntax-signature! name (cdar c) store))
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(reverse clauses))]
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[`(define-type ,_ . ,cases)
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(for-each (lambda (c) (add-signature! (car c) (cdr c) store)) cases)]
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[_ void])))
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(define (add-signature! name formals store)
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(when (symbol? name)
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(hash-set! store
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name
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(cons (parse-formals formals)
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(hash-ref store name '())))))
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(define (add-syntax-signature! name formals store)
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(when (symbol? name)
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(hash-set! store
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name
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(cons (signature formals '() '() #f)
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(hash-ref store name '())))))
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(define (parse-formals formals)
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(let loop ([formals formals] [req '()] [opt '()] [keys '()])
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(cond [(null? formals)
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(signature (reverse req) (reverse opt) (reverse keys) #f)]
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[(symbol? formals)
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(signature (reverse req) (reverse opt) (reverse keys) formals)]
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[(pair? (car formals)) (loop (cdr formals)
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req
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(cons (car formals) opt)
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keys)]
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[(keyword? (car formals)) (let* ((kname (car formals))
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(arg-id (cadr formals))
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(name (if (pair? arg-id)
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(list kname
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(cadr arg-id))
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(list kname))))
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(loop (cddr formals)
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req
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opt
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(cons name keys)))]
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[else (loop (cdr formals) (cons (car formals) req) opt keys)])))
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(define (infer-signatures name)
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(with-handlers ([exn:fail:syntax? (const `(,(signature '(...) '() '() #f)))]
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[exn:fail:contract:variable? (const #f)])
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(let ([v (namespace-variable-value name)])
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(if (procedure? v)
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(arity->signatures (procedure-arity v))
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'variable))))
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(define (arity->signatures arity)
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(define (args count) (build-list count (const '_)))
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(define (arity->signature arity)
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(cond [(number? arity)
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(signature (args arity) '() '() #f)]
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[(arity-at-least? arity)
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(signature (args (arity-at-least-value arity)) '() '() 'rest)]))
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(define (conseq? lst)
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(cond [(< (length lst) 2) (number? (car lst))]
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[(and (number? (car lst))
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(number? (cadr lst))
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(eqv? (+ 1 (car lst)) (cadr lst)))
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(conseq? (cdr lst))]
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[else #f]))
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(cond [(and (list? arity) (conseq? arity))
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(let ((mi (apply min arity))
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(ma (apply max arity)))
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(list (signature (args mi) (args (- ma mi)) '() #f)))]
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[(list? arity) (map arity->signature arity)]
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[else (list (arity->signature arity))]))
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(define (update-signature-cache path (form #f))
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(when (and (string? path)
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(or (not form)
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(and (list? form)
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(not (null? form))
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(memq (car form)
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'(define-syntax-rule struct
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define-syntax define set! define-struct)))))
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(hash-remove! signatures path)))
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(define (module-exports mod)
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(define (contracted id)
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(let ([v (value id mod)])
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(if (has-contract? v)
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(list id (cons "info" (contract-name (value-contract v))))
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(entry id))))
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(define (entry id)
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(let ((sign (eval `(,autodoc* ',id #f)
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(module-spec->namespace mod #f #f))))
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(if sign (list id (cons "signature" sign)) (list id))))
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(define (classify-ids ids)
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(let loop ([ids ids] [procs '()] [vars '()])
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(cond [(null? ids)
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`(("procs" ,@(map entry (reverse procs)))
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("vars" ,@(map list (reverse vars))))]
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[(procedure? (value (car ids) mod))
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(loop (cdr ids) (cons (car ids) procs) vars)]
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[else (loop (cdr ids) procs (cons (car ids) vars))])))
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(let-values ([(ids syn) (module-identifiers mod)])
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`(,@(classify-ids ids)
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("syntax" ,@(map contracted syn))
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("modules" ,@(map list (or (submodules mod) '()))))))
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