91 lines
3.3 KiB
EmacsLisp
91 lines
3.3 KiB
EmacsLisp
;;; ob-sclang.el --- Org-babel interface for SuperCollider -*- coding: utf-8;
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;; Copyright (C) 2018 Michal Seta
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;; Author: Michal Seta
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;; Keywords: supercollider, literate programming, multimedia, languages, tools
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;; URL: https://github.com/djiamnot/ob-sclang
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;; Package-Requires: ((emacs "26.1") (sclang "1.0"))
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;; Version: 0.3
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;;; License:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; ob-sclang enables SuperCollider source blocks to be used in org files
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;;; Code:
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(require 'ob)
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(require 'sclang)
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;; add file extensions for sclang
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(add-to-list 'org-babel-tangle-lang-exts '("sclang" . "scd"))
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;; declare default header arguments for sclang code blocks
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(defvar org-babel-default-header-args:sclang
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'((:session . "*SCLang:Workspace*")
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(:result . "none")))
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(defun org-babel-expand-body:sclang (body params)
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"Expand BODY according to PARAMS, return the expanded body."
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(let ((vars (org-babel--get-vars params)))
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(mapc
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(lambda (pair)
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(let ((name (symbol-name (car pair)))
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(value (cdr pair)))
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(setq body
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(replace-regexp-in-string
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(regexp-quote name)
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(org-babel-sclang-var-to-sclang value)
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body))))
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vars)
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body))
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(defun org-babel-sclang-var-to-sclang (var)
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"Convert an elisp value VAR to a string of sclang code.
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The value of the variable should be represented with correct type."
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(if (listp var)
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(concat "[" (mapconcat #'org-babel-sclang-var-to-sclang var ", ") "]")
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(cond ((stringp var) (format "%S" var))
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((floatp var) (format "%f" var))
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((integerp var) (format "%d" var))
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((symbolp var) (concat (format "%S" (symbol-name var)) ".asSymbol")))))
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(defun org-babel-execute:sclang (body params)
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"Execute a block of sclang code with org-babel.
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This function is called by `org-babel-execute-src-block' with BODY and PARAMS"
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(sclang-eval-string (org-babel-expand-body:sclang body params)))
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(defun org-babel-prep-session:sclang (session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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(message "No need for session preparation"))
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(defun org-babel-sclang-initiate-session (&optional session)
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"If there is not a current inferior-process-buffer in SESSION then create one.
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Return the initialized session."
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(unless (string= session "none")
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(let ((session (if sclang-library-initialized-p
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sclang-post-buffer
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(save-window-excursion
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(sclang-start)
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(current-buffer)))))
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session)))
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(provide 'ob-sclang)
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;;; ob-sclang.el ends here
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