org-mode/lisp/ob-forth.el
Bastien 6a1f6ee1f8 Tiny formatting fixes
* lisp/ox.el (org-export-table-dimensions):
* lisp/ox-texinfo.el (org-texinfo-template):
* lisp/ox-md.el (org-md-link):
* lisp/ox-icalendar.el (org-icalendar-use-UTC-date-time-p):
* lisp/ox-ascii.el (org-ascii-fixed-width):
* lisp/org.el (org-context):
* lisp/org-table.el (org-table-eval-formula)
(org-table-export):
* lisp/org-refile.el:
* lisp/org-plot.el (org-plot/gnuplot-to-grid-data):
* lisp/org-num.el (org-num):
* lisp/org-mouse.el (org-mouse-popup-global-menu)
(org-mouse-context-menu):
* lisp/org-macro.el (org-macro):
* lisp/org-lint.el (org-lint):
* lisp/org-keys.el (org-keys):
* lisp/org-duration.el:
* lisp/org-clock.el (org-clock-get-last-clock-out-time)
(org-clock-update-mode-line, org-find-open-clocks):
* lisp/org-agenda.el (org-diary)
(org-agenda-check-for-timestamp-as-reason-to-ignore-todo-item)
(org-agenda-highlight-todo, org-cmp-alpha)
(org-agenda-filter-by-category):
* lisp/ol.el (org-link-expand-abbrev, ol):
* lisp/ol-docview.el (ol-docview):
* lisp/ol-bibtex.el (org-execute-file-search-in-bibtex)
(org-bibtex, org-bibtex-read):
* lisp/ol-bbdb.el (org-bbdb-anniversary-description):
* lisp/ob-tangle.el (org-babel-tangle-jump-to-org):
* lisp/ob-table.el (org-babel-table-truncate-at-newline):
* lisp/ob-stan.el:
* lisp/ob-sqlite.el (org-babel-sqlite-table-or-scalar):
* lisp/ob-sql.el:
* lisp/ob-shen.el:
* lisp/ob-shell.el (org-babel-prep-session:shell)
(org-babel-prep-session:shell):
* lisp/ob-sed.el (org-babel-execute:sed)
(org-babel-execute:sed):
* lisp/ob-screen.el:
* lisp/ob-sass.el:
* lisp/ob-ruby.el (org-babel-prep-session:ruby)
(org-babel-prep-session:ruby):
* lisp/ob-ref.el (org-babel-ref-resolve, ob-ref):
* lisp/ob-python.el (org-babel-prep-session:python)
(org-babel-prep-session:python):
* lisp/ob-plantuml.el:
* lisp/ob-picolisp.el:
* lisp/ob-perl.el:
* lisp/ob-org.el:
* lisp/ob-octave.el (org-babel-prep-session:octave)
(org-babel-prep-session:octave)
(org-babel-octave-evaluate-session):
* lisp/ob-ocaml.el:
* lisp/ob-mscgen.el (org-babel-execute:mscgen)
(org-babel-execute:mscgen):
* lisp/ob-maxima.el:
(ob-maxima):
* lisp/ob-matlab.el:
* lisp/ob-makefile.el:
* lisp/ob-lua.el (org-babel-prep-session:lua)
(org-babel-prep-session:lua):
* lisp/ob-lisp.el:
* lisp/ob-ledger.el:
* lisp/ob-latex.el (org-babel-expand-body:latex)
(org-babel-expand-body:latex, ob-latex):
* lisp/ob-js.el:
* lisp/ob-java.el:
* lisp/ob-io.el (org-babel-prep-session:io)
(org-babel-prep-session:io):
* lisp/ob-hledger.el:
* lisp/ob-haskell.el:
* lisp/ob-groovy.el (org-babel-groovy-wrapper-method)
(org-babel-groovy-evaluate):
* lisp/ob-gnuplot.el:
* lisp/ob-fortran.el (org-babel-expand-body:fortran)
(org-babel-expand-body:fortran):
* lisp/ob-forth.el (org-babel-forth-session-execute):
* lisp/ob-exp.el (ob-exp):
* lisp/ob-eval.el:
* lisp/ob-emacs-lisp.el:
* lisp/ob-ebnf.el:
* lisp/ob-dot.el:
* lisp/ob-ditaa.el:
* lisp/ob-css.el:
* lisp/ob-core.el (org-babel-put-rownames):
* lisp/ob-coq.el:
* lisp/ob-comint.el:
* lisp/ob-calc.el:
* lisp/ob-awk.el:
* lisp/ob-asymptote.el:
* lisp/ob-abc.el:
* lisp/ob-R.el (org-babel-prep-session:R): Formatting fixes.
2020-02-18 22:57:37 +01:00

89 lines
3 KiB
EmacsLisp

;;; ob-forth.el --- Babel Functions for Forth -*- lexical-binding: t; -*-
;; Copyright (C) 2014-2020 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