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;; -*-theme-d-*-
;; Copyright (C) 2008-2013, 2021 Tommi Höynälänmaa
;; Distributed under GNU Lesser General Public License version 3,
;; see file doc/LGPL-3.
;; The following procedures have been checked for result type safety
;; against Guile 3.0.7 source code:
;; read-character, peek-character, character-ready?
;; The result type safety of the following procedures has been checked:
;; current-input-port, current-output-port, current-error-port,
;; standard-input-port, standard-output-port, standard-error-port,
;; call-with-input-string
(define-body (standard-library text-file-io)
(import (standard-library object-string-conversion)
(standard-library list-utilities)
(standard-library string-utilities))
;; Note that _write and _display are not exported.
;; If Scheme write or display is needed you can use it
;; with prim-proc.
(define _write
(unchecked-prim-proc theme-prim-write
(<object> <output-port>)
<none> nonpure))
(define _display
(unchecked-prim-proc theme-prim-display
(<object> <output-port>)
<none> nonpure))
(add-method write-string
(lambda (((output-port <output-port>) (str <string>)) <none> nonpure)
(_write str output-port)))
(add-method write-character
(lambda (((output-port <output-port>) (char <character>)) <none> nonpure)
(_write char output-port)))
(add-method display-string
(lambda (((output-port <output-port>) (str <string>)) <none> nonpure)
(_display str output-port)))
(add-method display-character
(lambda (((output-port <output-port>) (char <character>)) <none> nonpure)
(_display char output-port)))
(add-method newline
(unchecked-prim-proc theme-newline (<output-port>) <none> nonpure))
(add-method read-character
(unchecked-prim-proc theme-read-character
(<input-port>)
(:union <character> <eof>)
nonpure))
(add-method peek-character
(unchecked-prim-proc theme-peek-character
(<input-port>)
(:union <character> <eof>)
nonpure))
;; (add-method read
;; (prim-proc theme-read
;; (<input-port>)
;; (:union <source-expr> <eof>)
;; nonpure))
;; The result type is checked by theme-read.
(add-method read
(unchecked-prim-proc theme-read
(<input-port>)
(:union <source-expr> <eof>)
nonpure))
(define-simple-method read-all (((ip <input-port>)) <source-expr-list>
nonpure)
(let-mutable ((lst-result <source-expr-list> null)
(stop? <boolean> #f))
(until (stop? (reverse lst-result))
(let ((x-cur (read ip)))
(match-type x-cur
((<eof>) (set! stop? #t))
((x-cur1 <source-expr>)
(set! lst-result
(cons x-cur1 lst-result))))))))
(add-method read-string
(prim-proc get-string-all (<input-port>) <string> nonpure))
(add-method read-line
(lambda (((ip <input-port>)) <string> nonpure)
(let-mutable ((result <string> "")
(stop? <boolean> #f))
(until (stop? result)
(let ((ch-cur0 (read-character ip)))
(if (or (eof? ch-cur0) (equal? ch-cur0 #\newline))
(set! stop? #t)
(let ((ch-cur (cast <character> ch-cur0)))
(set! result
(string-append result (string ch-cur))))))))))
(add-method character-ready?
(unchecked-prim-proc theme-char-ready? (<input-port>) <boolean> pure))
(define-simple-virtual-method write
(((port <output-port>) (obj <object>)) <none> nonpure)
(display port obj))
(define-simple-virtual-method write
(((port <output-port>) (obj <integer>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <real>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <symbol>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <string>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <character>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <boolean>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <null>)) <none> nonpure)
(_write obj port))
(define-simple-virtual-method write
(((port <output-port>) (obj <keyword>)) <none> nonpure)
(_write obj port))
(add-method write-line
(lambda (((port <output-port>) (obj <object>)) <none> nonpure)
(write port obj)
(newline port)))
(define-simple-virtual-method display
(((port <output-port>) (obj <object>)) <none> nonpure)
(_display (object->string obj) port))
(define-simple-virtual-method display
(((port <output-port>) (obj <integer>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <real>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <symbol>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <string>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <character>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <boolean>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <null>)) <none> nonpure)
(_display obj port))
(define-simple-virtual-method display
(((port <output-port>) (obj <keyword>)) <none> nonpure)
(_display obj port))
(add-method display-line
(lambda (((port <output-port>) (obj <object>)) <none> nonpure)
(display port obj)
(newline port)))
(add-method current-output-port
(unchecked-prim-proc theme-current-output-port () <output-port> pure))
(add-method current-error-port
(unchecked-prim-proc theme-current-error-port () <output-port> pure))
(add-method current-input-port
(unchecked-prim-proc theme-current-input-port () <input-port> pure))
(add-method standard-output-port
(unchecked-prim-proc theme-standard-output-port () <output-port> pure))
(add-method standard-error-port
(unchecked-prim-proc theme-standard-error-port () <output-port> pure))
(add-method standard-input-port
(unchecked-prim-proc theme-standard-input-port () <input-port> pure))
(add-method call-with-input-string
(unchecked-prim-proc theme-call-with-input-string
(<string> (:procedure (<input-port>) <object>
nonpure))
<object> nonpure))
(add-method call-with-output-string
(prim-proc theme-call-with-output-string
((:procedure (<output-port>) <none> nonpure))
<string> nonpure))
(define-simple-method write-pair-contents
(((port <output-port>) (p <pair>) (repr? <boolean>)
(l-visited <list>)) <none> nonpure)
(if (member-objects? (static-cast <object> p) l-visited)
(display port "...")
(let ((l-new-visited (cons p l-visited)))
(write-general-object port (car p) repr? l-new-visited)
(let ((x-tail (cdr p)))
(match-type x-tail
((<null>) null)
((p2 <pair>)
(display port " ")
(write-pair-contents port p2 repr? l-new-visited))
(else
(display port " . ")
(write-general-object port x-tail repr? l-new-visited)))))))
(define-simple-method write-general-object
(((port <output-port>) (x <object>) (repr? <boolean>)
(l-visited <list>)) <none> nonpure)
(match-type x
((p <pair>)
(display port "(")
(write-pair-contents port p repr? l-visited)
(display port ")"))
(else (if repr? (write port x) (display port x)))))
(define-simple-virtual-method write
(((port <output-port>) (x <pair>)) <none> nonpure)
(write-general-object port x #t null))
(define-simple-virtual-method display
(((port <output-port>) (x <pair>)) <none> nonpure)
(write-general-object port x #f null)))
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