;;; ob-lisp.el --- Babel Functions for Common Lisp -*- lexical-binding: t; -*-
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;; Copyright (C) 2009-2018 Free Software Foundation, Inc.
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;; Authors: Joel Boehland
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;; Eric Schulte
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;; David T. O'Toole <dto@gnu.org>
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;; Keywords: literate programming, reproducible research
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;; Homepage: https://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Support for evaluating Common Lisp code, relies on SLY or SLIME
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;;; for all eval.
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;;; Requirements:
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;; Requires SLY (Sylvester the Cat's Common Lisp IDE) or SLIME
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;; (Superior Lisp Interaction Mode for Emacs). See:
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;; - https://github.com/capitaomorte/sly
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;; - http://common-lisp.net/project/slime/
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;;; Code:
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(require 'ob)
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(declare-function sly-eval "ext:sly" (sexp &optional package))
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(declare-function slime-eval "ext:slime" (sexp &optional package))
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(declare-function org-trim "org" (s &optional keep-lead))
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("lisp" . "lisp"))
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(defvar org-babel-default-header-args:lisp '())
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(defvar org-babel-header-args:lisp '((package . :any)))
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(defcustom org-babel-lisp-eval-fn #'slime-eval
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"The function to be called to evaluate code on the Lisp side.
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Valid values include `slime-eval' and `sly-eval'."
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:group 'org-babel
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:version "26.1"
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:package-version '(Org . "9.0")
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:type 'symbol)
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(defcustom org-babel-lisp-dir-fmt
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"(let ((*default-pathname-defaults* #P%S\n)) %%s\n)"
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"Format string used to wrap code bodies to set the current directory.
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For example a value of \"(progn ;; %s\\n %%s)\" would ignore the
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current directory string."
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:group 'org-babel
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:version "24.1"
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:type 'string)
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(defun org-babel-expand-body:lisp (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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(result-params (cdr (assq :result-params params)))
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(print-level nil) (print-length nil)
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(body (if (null vars) (org-trim body)
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(concat "(let ("
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(mapconcat
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(lambda (var)
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(format "(%S (quote %S))" (car var) (cdr var)))
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vars "\n ")
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")\n" body ")"))))
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(if (or (member "code" result-params)
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(member "pp" result-params))
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(format "(pprint %s)" body)
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body)))
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(defun org-babel-execute:lisp (body params)
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"Execute a block of Common Lisp code with Babel.
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BODY is the contents of the block, as a string. PARAMS is
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a property list containing the parameters of the block."
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(require (pcase org-babel-lisp-eval-fn
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(`slime-eval 'slime)
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(`sly-eval 'sly)))
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(org-babel-reassemble-table
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(let ((result
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(funcall (if (member "output" (cdr (assq :result-params params)))
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#'car #'cadr)
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(with-temp-buffer
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(insert (org-babel-expand-body:lisp body params))
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(funcall org-babel-lisp-eval-fn
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`(swank:eval-and-grab-output
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,(let ((dir (if (assq :dir params)
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(cdr (assq :dir params))
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default-directory)))
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(format
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(if dir (format org-babel-lisp-dir-fmt dir)
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"(progn %s\n)")
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(buffer-substring-no-properties
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(point-min) (point-max)))))
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(cdr (assq :package params)))))))
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(org-babel-result-cond (cdr (assq :result-params params))
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result
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(condition-case nil
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(read (org-babel-lisp-vector-to-list result))
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(error result))))
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(org-babel-pick-name (cdr (assq :colname-names params))
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(cdr (assq :colnames params)))
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(org-babel-pick-name (cdr (assq :rowname-names params))
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(cdr (assq :rownames params)))))
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(defun org-babel-lisp-vector-to-list (results)
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;; TODO: better would be to replace #(...) with [...]
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(replace-regexp-in-string "#(" "(" results))
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(provide 'ob-lisp)
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;;; ob-lisp.el ends here
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