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;; geiser-chibi.el -- Chibi Scheme's implementation of the geiser protocols
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the Modified BSD License. You should
;; have received a copy of the license along with this program. If
;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
(require 'geiser-connection)
(require 'geiser-syntax)
(require 'geiser-custom)
(require 'geiser-base)
(require 'geiser-eval)
(require 'geiser-edit)
(require 'geiser-log)
(require 'geiser)
(require 'compile)
(require 'info-look)
(eval-when-compile (require 'cl))
;;; Customization:
(defgroup geiser-chibi nil
"Customization for Geiser's Chibi Scheme flavour."
:group 'geiser)
(geiser-custom--defcustom geiser-chibi-binary
"chibi-scheme"
"Name to use to call the Chibi Scheme executable when starting a REPL."
:type '(choice string (repeat string))
:group 'geiser-chibi)
;;; REPL support:
(defun geiser-chibi--binary ()
(if (listp geiser-chibi-binary)
(car geiser-chibi-binary)
geiser-chibi-binary))
(defun geiser-chibi--parameters ()
"Return a list with all parameters needed to start Chibi Scheme.
This function uses `geiser-chibi-init-file' if it exists."
;; `("--load" ,(expand-file-name "chibi/geiser/load.scm" geiser-scheme-dir))
`("-I" ,(expand-file-name "chibi/geiser/" geiser-scheme-dir)
"-m" "geiser")
)
(defconst geiser-chibi--prompt-regexp "> ")
;;; Evaluation support:
(defun geiser-chibi--geiser-procedure (proc &rest args)
(case proc
((eval compile)
(let ((form (mapconcat 'identity (cdr args) " "))
(module (cond ((string-equal "'()" (car args))
"'()")
((and (car args))
(concat "'" (car args)))
(t
"#f"))))
(format "(geiser:eval %s '%s)" module form)))
((load-file compile-file)
(format "(geiser:load-file %s)" (car args)))
((no-values)
"(geiser:no-values)")
(t
(let ((form (mapconcat 'identity args " ")))
(format "(geiser:%s %s)" proc form)))))
;; (defconst geiser-chibi--module-re
;; ".*;; package: +\\(([^)]*)\\)")
(defun geiser-chibi--get-module (&optional module)
(cond ((null module)
:f)
((listp module) module)
((stringp module)
(condition-case nil
(car (geiser-syntax--read-from-string module))
(error :f)))
(t :f)))
;; (defun geiser-chibi--module-cmd (module fmt &optional def)
;; (when module
;; (let* ((module (geiser-chibi--get-module module))
;; (module (cond ((or (null module) (eq module :f)) def)
;; (t (format "%s" module)))))
;; (and module (format fmt module)))))
;; (defun geiser-chibi--enter-command (module)
;; (geiser-chibi--module-cmd module "(geiser:ge '%s)" "()"))
(defun geiser-chibi--symbol-begin (module)
(if module
(max (save-excursion (beginning-of-line) (point))
(save-excursion (skip-syntax-backward "^(>") (1- (point))))
(save-excursion (skip-syntax-backward "^'-()>") (point))))
(defun geiser-chibi--import-command (module)
(format "(import %s)" module))
(defun geiser-chibi--exit-command () "(exit 0)")
;;
;; ;;; REPL startup
(defconst geiser-chibi-minimum-version "0.7.3")
(defun geiser-chibi--version (binary)
(second (split-string (shell-command-to-string
(format "%s -V"
(shell-quote-argument binary)))
" ")))
;; (defconst geiser-chibi--path-rx "^In \\([^:\n ]+\\):\n")
(defun geiser-chibi--startup (remote)
(let ((geiser-log-verbose-p t))
(compilation-setup t)
;; (when (and (stringp geiser-chibi-source-directory)
;; (not (string-empty-p geiser-chibi-source-directory)))
;; (geiser-eval--send/wait (format "(geiser:set-chibi-scheme-source-directory %S)" geiser-chibi-source-directory)))
))
;;; Implementation definition:
(define-geiser-implementation chibi
(binary geiser-chibi--binary)
(arglist geiser-chibi--parameters)
(version-command geiser-chibi--version)
(minimum-version geiser-chibi-minimum-version)
(repl-startup geiser-chibi--startup)
(prompt-regexp geiser-chibi--prompt-regexp)
(debugger-prompt-regexp nil) ;; geiser-chibi--debugger-prompt-regexp
;; (enter-debugger geiser-chibi--enter-debugger)
(marshall-procedure geiser-chibi--geiser-procedure)
(find-module geiser-chibi--get-module)
;; (enter-command geiser-chibi--enter-command)
(exit-command geiser-chibi--exit-command)
(import-command geiser-chibi--import-command)
(find-symbol-begin geiser-chibi--symbol-begin)
;; (display-error geiser-chibi--display-error)
;; (external-help geiser-chibi--manual-look-up)
;; (check-buffer geiser-chibi--guess)
;; (keywords geiser-chibi--keywords)
;; (case-sensitive geiser-chibi-case-sensitive-p)
)
;; notes: (available-modules) in (chibi modules)
;; (env-exports (module-env (find-module '(scheme char)))), modules: (meta) (chibi modules) (chibi)
(geiser-impl--add-to-alist 'regexp "\\.scm$" 'chibi t)
(geiser-impl--add-to-alist 'regexp "\\.sld$" 'chibi t)
(provide 'geiser-chibi)
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