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Diffstat (limited to 'elpa/org-9.5.2/ob-lua.el')
-rw-r--r-- | elpa/org-9.5.2/ob-lua.el | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/elpa/org-9.5.2/ob-lua.el b/elpa/org-9.5.2/ob-lua.el deleted file mode 100644 index a4a964a..0000000 --- a/elpa/org-9.5.2/ob-lua.el +++ /dev/null @@ -1,403 +0,0 @@ -;;; ob-lua.el --- Org Babel functions for Lua evaluation -*- lexical-binding: t; -*- - -;; Copyright (C) 2014, 2016-2021 Free Software Foundation, Inc. - -;; Authors: Dieter Schoen -;; Keywords: literate programming, reproducible research -;; 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: - -;; Org-Babel support for evaluating lua source code. - -;; Requirements: -;; for session support, lua-mode is needed. -;; lua-mode is not part of GNU Emacs/orgmode, but can be obtained -;; from marmalade or melpa. -;; The source repository is here: -;; https://github.com/immerrr/lua-mode - -;; However, sessions are not yet working. - -;;; Code: -(require 'ob) -(require 'org-macs) -(require 'cl-lib) - -(declare-function lua-shell "ext:lua-mode" (&optional argprompt)) -(declare-function lua-toggle-shells "ext:lua-mode" (arg)) -(declare-function run-lua "ext:lua" (cmd &optional dedicated show)) - -(defvar org-babel-tangle-lang-exts) -(add-to-list 'org-babel-tangle-lang-exts '("lua" . "lua")) - -(defvar org-babel-default-header-args:lua '()) - -(defcustom org-babel-lua-command "lua" - "Name of the command for executing Lua code." - :version "26.1" - :package-version '(Org . "8.3") - :group 'org-babel - :type 'string) - -(defcustom org-babel-lua-mode 'lua-mode - "Preferred lua mode for use in running lua interactively. -This will typically be `lua-mode'." - :group 'org-babel - :version "26.1" - :package-version '(Org . "8.3") - :type 'symbol) - -(defcustom org-babel-lua-hline-to "None" - "Replace hlines in incoming tables with this when translating to lua." - :group 'org-babel - :version "26.1" - :package-version '(Org . "8.3") - :type 'string) - -(defcustom org-babel-lua-None-to 'hline - "Replace `None' in lua tables with this before returning." - :group 'org-babel - :version "26.1" - :package-version '(Org . "8.3") - :type 'symbol) - -(defun org-babel-execute:lua (body params) - "Execute a block of Lua code with Babel. -This function is called by `org-babel-execute-src-block'." - (let* ((session (org-babel-lua-initiate-session - (cdr (assq :session params)))) - (result-params (cdr (assq :result-params params))) - (result-type (cdr (assq :result-type params))) - (return-val (when (and (eq result-type 'value) (not session)) - (cdr (assq :return params)))) - (preamble (cdr (assq :preamble params))) - (full-body - (org-babel-expand-body:generic - (concat body (if return-val (format "\nreturn %s" return-val) "")) - params (org-babel-variable-assignments:lua params))) - (result (org-babel-lua-evaluate - session full-body result-type result-params preamble))) - (org-babel-reassemble-table - result - (org-babel-pick-name (cdr (assq :colname-names params)) - (cdr (assq :colnames params))) - (org-babel-pick-name (cdr (assq :rowname-names params)) - (cdr (assq :rownames params)))))) - -(defun org-babel-prep-session:lua (session params) - "Prepare SESSION according to the header arguments in PARAMS. -VARS contains resolved variable references." - (let* ((session (org-babel-lua-initiate-session session)) - (var-lines - (org-babel-variable-assignments:lua params))) - (org-babel-comint-in-buffer session - (mapc (lambda (var) - (end-of-line 1) (insert var) (comint-send-input) - (org-babel-comint-wait-for-output session)) - var-lines)) - session)) - -(defun org-babel-load-session:lua (session body params) - "Load BODY into SESSION." - (save-window-excursion - (let ((buffer (org-babel-prep-session:lua session params))) - (with-current-buffer buffer - (goto-char (process-mark (get-buffer-process (current-buffer)))) - (insert (org-babel-chomp body))) - buffer))) - -;; helper functions - -(defun org-babel-variable-assignments:lua (params) - "Return a list of Lua statements assigning the block's variables." - (mapcar - (lambda (pair) - (format "%s=%s" - (car pair) - (org-babel-lua-var-to-lua (cdr pair)))) - (org-babel--get-vars params))) - -(defun org-babel-lua-var-to-lua (var) - "Convert an elisp value to a lua variable. -Convert an elisp value, VAR, into a string of lua source code -specifying a variable of the same value." - (if (listp var) - (if (and (= 1 (length var)) (not (listp (car var)))) - (org-babel-lua-var-to-lua (car var)) - (if (and - (= 2 (length var)) - (not (listp (car var)))) - (concat - (substring-no-properties (car var)) - "=" - (org-babel-lua-var-to-lua (cdr var))) - (concat "{" (mapconcat #'org-babel-lua-var-to-lua var ", ") "}"))) - (if (eq var 'hline) - org-babel-lua-hline-to - (format - (if (and (stringp var) (string-match "[\n\r]" var)) "[=[%s]=]" "%S") - (if (stringp var) (substring-no-properties var) var))))) - -(defun org-babel-lua-table-or-string (results) - "Convert RESULTS into an appropriate elisp value. -If the results look like a list or tuple, then convert them into an -Emacs-lisp table, otherwise return the results as a string." - (let ((res (org-babel-script-escape results))) - (if (listp res) - (mapcar (lambda (el) (if (eq el 'None) - org-babel-lua-None-to el)) - res) - res))) - -(defvar org-babel-lua-buffers '((:default . "*Lua*"))) - -(defun org-babel-lua-session-buffer (session) - "Return the buffer associated with SESSION." - (cdr (assoc session org-babel-lua-buffers))) - -(defun org-babel-lua-with-earmuffs (session) - (let ((name (if (stringp session) session (format "%s" session)))) - (if (and (string= "*" (substring name 0 1)) - (string= "*" (substring name (- (length name) 1)))) - name - (format "*%s*" name)))) - -(defun org-babel-lua-without-earmuffs (session) - (let ((name (if (stringp session) session (format "%s" session)))) - (if (and (string= "*" (substring name 0 1)) - (string= "*" (substring name (- (length name) 1)))) - (substring name 1 (- (length name) 1)) - name))) - -(defvar lua-default-interpreter) -(defvar lua-which-bufname) -(defvar lua-shell-buffer-name) -(defun org-babel-lua-initiate-session-by-key (&optional session) - "Initiate a lua session. -If there is not a current inferior-process-buffer in SESSION -then create. Return the initialized session." - ;; (require org-babel-lua-mode) - (save-window-excursion - (let* ((session (if session (intern session) :default)) - (lua-buffer (org-babel-lua-session-buffer session)) - ;; (cmd (if (member system-type '(cygwin windows-nt ms-dos)) - ;; (concat org-babel-lua-command " -i") - ;; org-babel-lua-command)) - ) - (cond - ((and (eq 'lua-mode org-babel-lua-mode) - (fboundp 'lua-start-process)) ; lua-mode.el - ;; Make sure that lua-which-bufname is initialized, as otherwise - ;; it will be overwritten the first time a Lua buffer is - ;; created. - ;;(lua-toggle-shells lua-default-interpreter) - ;; `lua-shell' creates a buffer whose name is the value of - ;; `lua-which-bufname' with '*'s at the beginning and end - (let* ((bufname (if (and lua-buffer (buffer-live-p lua-buffer)) - (replace-regexp-in-string ;; zap surrounding * - "^\\*\\([^*]+\\)\\*$" "\\1" (buffer-name lua-buffer)) - (concat "Lua-" (symbol-name session)))) - (lua-which-bufname bufname)) - (lua-start-process) - (setq lua-buffer (org-babel-lua-with-earmuffs bufname)))) - (t - (error "No function available for running an inferior Lua"))) - (setq org-babel-lua-buffers - (cons (cons session lua-buffer) - (assq-delete-all session org-babel-lua-buffers))) - session))) - -(defun org-babel-lua-initiate-session (&optional session _params) - "Create a session named SESSION according to PARAMS." - (unless (string= session "none") - (error "Sessions currently not supported, work in progress") - (org-babel-lua-session-buffer - (org-babel-lua-initiate-session-by-key session)))) - -(defvar org-babel-lua-eoe-indicator "--eoe" - "A string to indicate that evaluation has completed.") - -(defvar org-babel-lua-wrapper-method - " -function main() -%s -end - -fd=io.open(\"%s\", \"w\") -fd:write( main() ) -fd:close()") -(defvar org-babel-lua-pp-wrapper-method - " --- table to string -function t2s(t, indent) - if indent == nil then - indent = \"\" - end - if type(t) == \"table\" then - ts = \"\" - for k,v in pairs(t) do - if type(v) == \"table\" then - ts = ts .. indent .. t2s(k,indent .. \" \") .. \" = \\n\" .. - t2s(v, indent .. \" \") - else - ts = ts .. indent .. t2s(k,indent .. \" \") .. \" = \" .. - t2s(v, indent .. \" \") .. \"\\n\" - end - end - return ts - else - return tostring(t) - end -end - - -function main() -%s -end - -fd=io.open(\"%s\", \"w\") -fd:write(t2s(main())) -fd:close()") - -(defun org-babel-lua-evaluate - (session body &optional result-type result-params preamble) - "Evaluate BODY as Lua code." - (if session - (org-babel-lua-evaluate-session - session body result-type result-params) - (org-babel-lua-evaluate-external-process - body result-type result-params preamble))) - -(defun org-babel-lua-evaluate-external-process - (body &optional result-type result-params preamble) - "Evaluate BODY in external lua process. -If RESULT-TYPE equals `output' then return standard output as a -string. If RESULT-TYPE equals `value' then return the value of the -last statement in BODY, as elisp." - (let ((raw - (pcase result-type - (`output (org-babel-eval org-babel-lua-command - (concat preamble (and preamble "\n") - body))) - (`value (let ((tmp-file (org-babel-temp-file "lua-"))) - (org-babel-eval - org-babel-lua-command - (concat - preamble (and preamble "\n") - (format - (if (member "pp" result-params) - org-babel-lua-pp-wrapper-method - org-babel-lua-wrapper-method) - (mapconcat - (lambda (line) (format "\t%s" line)) - (split-string - (org-remove-indentation - (org-trim body)) - "[\r\n]") "\n") - (org-babel-process-file-name tmp-file 'noquote)))) - (org-babel-eval-read-file tmp-file)))))) - (org-babel-result-cond result-params - raw - (org-babel-lua-table-or-string (org-trim raw))))) - -(defun org-babel-lua-evaluate-session - (session body &optional result-type result-params) - "Pass BODY to the Lua process in SESSION. -If RESULT-TYPE equals `output' then return standard output as a -string. If RESULT-TYPE equals `value' then return the value of the -last statement in BODY, as elisp." - (let* ((send-wait (lambda () (comint-send-input nil t) (sleep-for 0 5))) - (dump-last-value - (lambda - (tmp-file pp) - (mapc - (lambda (statement) (insert statement) (funcall send-wait)) - (if pp - (list - "-- table to string -function t2s(t, indent) - if indent == nil then - indent = \"\" - end - if type(t) == \"table\" then - ts = \"\" - for k,v in pairs(t) do - if type(v) == \"table\" then - ts = ts .. indent .. t2s(k,indent .. \" \") .. \" = \\n\" .. - t2s(v, indent .. \" \") - else - ts = ts .. indent .. t2s(k,indent .. \" \") .. \" = \" .. - t2s(v, indent .. \" \") .. \"\\n\" - end - end - return ts - else - return tostring(t) - end -end -" - (concat "fd:write(_)) -fd:close()" - (org-babel-process-file-name tmp-file 'noquote))) - (list (format "fd=io.open(\"%s\", \"w\") -fd:write( _ ) -fd:close()" - (org-babel-process-file-name tmp-file - 'noquote))))))) - (input-body (lambda (body) - (mapc (lambda (line) (insert line) (funcall send-wait)) - (split-string body "[\r\n]")) - (funcall send-wait))) - (results - (pcase result-type - (`output - (mapconcat - #'org-trim - (butlast - (org-babel-comint-with-output - (session org-babel-lua-eoe-indicator t body) - (funcall input-body body) - (funcall send-wait) (funcall send-wait) - (insert org-babel-lua-eoe-indicator) - (funcall send-wait)) - 2) "\n")) - (`value - (let ((tmp-file (org-babel-temp-file "lua-"))) - (org-babel-comint-with-output - (session org-babel-lua-eoe-indicator nil body) - (let ((comint-process-echoes nil)) - (funcall input-body body) - (funcall dump-last-value tmp-file - (member "pp" result-params)) - (funcall send-wait) (funcall send-wait) - (insert org-babel-lua-eoe-indicator) - (funcall send-wait))) - (org-babel-eval-read-file tmp-file)))))) - (unless (string= (substring org-babel-lua-eoe-indicator 1 -1) results) - (org-babel-result-cond result-params - results - (org-babel-lua-table-or-string results))))) - -(defun org-babel-lua-read-string (string) - "Strip 's from around Lua string." - (org-unbracket-string "'" "'" string)) - -(provide 'ob-lua) - -;;; ob-lua.el ends here |