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;;;; package: (runtime geiser)
(declare (usual-integrations))
(load-option 'format)
(define (all-completions prefix environment)
(let (;; (prefix
;; (if (environment-lookup environment 'PARAM:PARSER-CANONICALIZE-SYMBOLS?)
;; (string-downcase prefix)
;; prefix))
(completions '()))
(for-each-interned-symbol
(lambda (symbol)
;; was string-prefix?, now defaults to case-insensitive
;; (MIT/GNU Scheme's default)
(if (and (string-prefix-ci? prefix (symbol-name symbol))
(environment-bound? environment symbol))
(set! completions (cons (symbol-name symbol) completions)))
unspecific))
completions))
(define (operator-arglist symbol env)
(let ((type (environment-reference-type env symbol)))
(let ((ans (if (eq? type 'normal)
(let ((binding (environment-lookup env symbol)))
(if (and binding
(procedure? binding))
(cons symbol (read-from-string
(string-trim (with-output-to-string
(lambda () (pa binding))))))
#f))
#f ;; macros
)))
ans)))
(define (geiser:operator-arglist symbol env)
(let* ((arglist (operator-arglist symbol env))
(operator symbol))
(if arglist
(let loop ((arglist (cdr arglist))
(optionals? #f)
(required '())
(optional '()))
(cond ((null? arglist)
`(,operator ("args" (("required" ,@(reverse required))
("optional" ,@(reverse optional))
("key")
;; ("module" ,module)
))))
((symbol? arglist)
(loop '()
#t
required
(cons "..." (cons arglist optional))))
((eq? (car arglist) #!optional)
(loop (cdr arglist)
#t
required
optional))
(else
(loop
(cdr arglist)
optionals?
(if optionals? required (cons (car arglist) required))
(if optionals? (cons (car arglist) optional) optional)))))
'())))
(define (read-from-string str)
(with-input-from-string str
read))
(define (all-packages)
(let loop ((package (name->package '()))) ;; system-global-package
(cons package
(append-map loop (package/children package)))))
(define anonymous-package-prefix
"environment-")
(define (env->pstring env)
(let ((package (environment->package env)))
(if package
(write-to-string (package/name package))
(string anonymous-package-prefix (object-hash env)))))
(define geiser-repl (nearest-repl))
(define (set-geiser-repl-prompt! env)
(set-repl/prompt! geiser-repl (format #f
"~s =>"
(package/name (environment->package env))))
env)
(define geiser-env #f)
(define (get-symbol-definition-location object)
(let ((file (cond ((and (entity? object)
(procedure? object))
(receive (a b)
(compiled-entry/filename-and-index (entity-procedure object))
b
a))
((compiled-procedure? object)
(receive (a b)
(compiled-entry/filename-and-index object)
b
a))
(else
'()))))
(fix-mit-source-dir
(if (and (string? file)
(string-suffix? ".inf" file))
(string-append (substring file 0 (- (string-length file) 3)) "scm")
file))))
(define (fix-mit-source-dir filename)
(let ((default-location "/usr/lib/mit-scheme-x86-64/"))
(if (and geiser:mit-scheme-source-directory
(not (string-null? geiser:mit-scheme-source-directory)))
(if (string-prefix? default-location filename)
(string-append geiser:mit-scheme-source-directory
(substring filename
(string-length default-location)
(string-length filename)))
filename)
filename)))
(define geiser:mit-scheme-source-directory #f)
;;;; ***************************************************************************
(define (geiser:eval module form . rest)
rest
(let* ((output (open-output-string))
(environment (package/environment (find-package (if module
module
'(user))
#t)))
(result (with-output-to-port output
(lambda ()
(eval form environment)))))
(write `((result ,(write-to-string result))
(output . ,(get-output-string output))))))
(define (geiser:autodoc ids . rest)
rest
(cond ((null? ids) '())
((not (list? ids))
(geiser:autodoc (list ids)))
((not (symbol? (car ids)))
(geiser:autodoc (cdr ids)))
(else
(let ((details (map (lambda (id)
(geiser:operator-arglist id (->environment '(user)))
) ids)))
details))))
(define (geiser:module-completions prefix . rest)
rest
(filter (lambda (pstring)
(substring? prefix (write-to-string pstring)))
(map (lambda (package)
(env->pstring (package/environment package)))
(all-packages))))
(define (geiser:completions prefix . rest)
rest
(sort (all-completions prefix (->environment '(user)))
string<?))
(define (geiser:ge environment)
(let ((env (package/environment (find-package environment #t))))
(set-geiser-repl-prompt! env)
(set! geiser-env env))
(ge environment))
(define (geiser:load-file filename)
(load filename))
(define (geiser:module-exports module)
(let* ((pkg (find-package module #t))
(children (map package/name (package/children pkg)))
(env (package/environment pkg)))
(let loop ((vars '())
(procs '())
(syntax '())
(bindings (environment-bindings env)))
(if (null? bindings)
`(("vars" . ,vars)
("procs" . ,procs)
("syntax" . ,syntax)
("modules" . ,(map list children)))
(let* ((binding (car bindings))
(name (car binding))
(value (if (null? (cdr binding)) 'unassigned (cadr binding)))
(ref-type (environment-reference-type env name)))
(cond ((eq? 'macro ref-type)
(loop vars
procs
(cons `(,name ("signature")) syntax)
(cdr bindings)))
((procedure? value)
(loop vars
(cons
`(,name ("signature" . ,(geiser:operator-arglist name env)))
procs)
syntax
(cdr bindings)))
(else
(loop (cons `(,name) vars)
procs
syntax
(cdr bindings)))))))))
(define (geiser:symbol-documentation symbol)
(if (environment-bound? geiser-env symbol)
(let ((ref-type (environment-reference-type geiser-env symbol))
(value (environment-safe-lookup geiser-env symbol)))
(case ref-type
((macro)
`(("signature" ,symbol ("args"))
("docstring" . "Macro")))
((unassigned)
`(("signature" ,symbol ("args"))
("docstring" . "Value: Unassigned~%")))
((normal)
(if (procedure? value)
(let ((signature (geiser:operator-arglist symbol geiser-env)))
`(("signature" . ,signature)
("docstring" . ,(format #f
"Procedure:~%~a~%"
(with-output-to-string (lambda () (pp value)))))))
`(("signature" ,symbol ("args"))
("docstring" . ,(format #f
"Value:~%~a~%"
(with-output-to-string (lambda () (pp value))))))
))
(else
`(("signature" ,symbol ("args"))
("docstring" . "Unknown thing...")))))
'()))
(define (geiser:symbol-location symbol)
(if (environment-bound? geiser-env symbol)
(let ((ref-type (environment-reference-type geiser-env symbol))
(value (environment-safe-lookup geiser-env symbol)))
(if (eq? ref-type 'normal)
(let ((file (get-symbol-definition-location value)))
`(("name" . ,symbol)
("file" . ,file)
("line")))
'()))
`(("name" . ,symbol)
("file")
("line"))))
(define (geiser:module-location symbol)
`(("name" . ,symbol)
("file")
("line")))
(define (geiser:newline)
#f)
(define (geiser:no-values)
#f)
(define (geiser:set-mit-scheme-source-directory dir)
(set! geiser:mit-scheme-source-directory dir))
(define (geiser:callers symbol)
symbol
#f)
(define (geiser:callees symbol)
symbol
#f)
(set-geiser-repl-prompt! (package/environment (find-package '(user))))
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