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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/org-9.5.2/ob-forth.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; ob-forth.el --- Babel Functions for Forth -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2014-2021 Free Software Foundation, Inc.
-
-;; Author: Eric Schulte
-;; Keywords: literate programming, reproducible research, forth
-;; Homepage: https://orgmode.org
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; Requires the gforth forth compiler and `forth-mode' (see below).
-;; https://www.gnu.org/software/gforth/
-
-;;; Requirements:
-
-;; Session evaluation requires the gforth forth compiler as well as
-;; `forth-mode' which is distributed with gforth (in gforth.el).
-
-;;; Code:
-(require 'ob)
-(require 'org-macs)
-
-(declare-function forth-proc "ext:gforth" ())
-
-(defvar org-babel-default-header-args:forth '((:session . "yes"))
- "Default header arguments for forth code blocks.")
-
-(defun org-babel-execute:forth (body params)
- "Execute a block of Forth code with org-babel.
-This function is called by `org-babel-execute-src-block'."
- (if (string= "none" (cdr (assq :session params)))
- (error "Non-session evaluation not supported for Forth code blocks")
- (let ((all-results (org-babel-forth-session-execute body params)))
- (if (member "output" (cdr (assq :result-params params)))
- (mapconcat #'identity all-results "\n")
- (car (last all-results))))))
-
-(defun org-babel-forth-session-execute (body params)
- (require 'forth-mode)
- (let ((proc (forth-proc))
- (rx " \\(\n:\\|compiled\n\\|ok\n\\)")
- (result-start))
- (with-current-buffer (process-buffer (forth-proc))
- (mapcar (lambda (line)
- (setq result-start (progn (goto-char (process-mark proc))
- (point)))
- (comint-send-string proc (concat line "\n"))
- ;; wait for forth to say "ok"
- (while (not (progn (goto-char result-start)
- (re-search-forward rx nil t)))
- (accept-process-output proc 0.01))
- (let ((case (match-string 1)))
- (cond
- ((string= "ok\n" case)
- ;; Collect intermediate output.
- (buffer-substring (+ result-start 1 (length line))
- (match-beginning 0)))
- ((string= "compiled\n" case))
- ;; Ignore partial compilation.
- ((string= "\n:" case)
- ;; Report errors.
- (org-babel-eval-error-notify 1
- (buffer-substring
- (+ (match-beginning 0) 1) (point-max)))
- nil))))
- (split-string (org-trim
- (org-babel-expand-body:generic body params))
- "\n"
- 'omit-nulls)))))
-
-(provide 'ob-forth)
-
-;;; ob-forth.el ends here