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154 Zeilen
4.8 KiB
154 Zeilen
4.8 KiB
;;; ess-r-a.el -- Possible local customizations for R with ESS. -*- lexical-binding: t; -*-
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;; Copyright (C) 1997--2005 A.J. Rossini, Richard M. Heiberger, Martin
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;; Maechler, Kurt Hornik, Rodney Sparapani, and Stephen Eglen.
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;; Author: A.J. Rossini <blindglobe@gmail.com>
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;; Created: 17 November 1999
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;; Maintainer: ESS-core <ESS-core@r-project.org>
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;; Keywords: languages
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;; This file is part of ESS
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;; This file 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 2, or (at your option)
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;; any later version.
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;;
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;; This file 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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;; A copy of the GNU General Public License is available at
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;; https://www.r-project.org/Licenses/
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;;; Commentary:
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;; The purpose of this file is to demonstrate some of the extras that
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;; have been constructed for the ESS R mode; if they prove
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;; interesting, then they might be migrated to ess-r-mode, the primary
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;; ESS R mode tools.
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;;; Code:
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(require 'ess-inf)
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(require 'ess-r-mode)
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;; you can invoke ESS/R from emacs by typing
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;; C-u M-x essr
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;; with vsize set to (for example) 40M, and nsize set to 600000.
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;; Undefined on non-apple devices
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(declare-function ns-do-applescript "nsfns.m" (script))
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(declare-function do-applescript "ess-r-a" (script))
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(unless (fboundp 'do-applescript)
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(defalias 'do-applescript 'ns-do-applescript))
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(defalias 'essr
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(read-kbd-macro
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"C-u M-x R RET - - vsize = 40M SPC - - nsize = 600000 2*RET"))
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(defun ess-r-do-region (start end)
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"Send from START to END to R via AppleScript."
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(interactive "r\nP")
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(message "Starting evaluation...")
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(do-applescript (concat
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"try\n"
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"tell application \"R\"\n"
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"activate\n"
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"with timeout of 0 seconds\n"
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"cmd \"" (buffer-substring start end)
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"\"\n"
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"end timeout\n"
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"end tell\n"
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"end try\n"))
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(message "Finished evaluation"))
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(defun ess-r-do-line ()
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"Send the current line to R via AppleScript."
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(interactive) ;; "r\nP")
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(message "Starting evaluation...")
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(save-excursion
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(let ((end (point)))
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(move-to-column 0)
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(do-applescript (concat
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"try\n"
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"tell application \"R\"\n"
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"activate\n"
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"with timeout of 0 seconds\n"
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"cmd \"" (buffer-substring (point) end)
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"\"\n"
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"end timeout\n"
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"end tell\n"
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"end try\n"))))
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(message "Finished evaluation"))
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(defun ess-r-var (beg end)
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"Load the current region of numbers into an R variable.
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Prompts for a variable name. If none is given, it uses a default
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variable name, e. BEG and END denote the region in the current
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buffer to be sent."
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(interactive "r")
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(save-window-excursion
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(let ((tmp-file (make-temp-file "ess-r-var"))
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cmd
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var)
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(write-region beg end tmp-file)
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;; Decide on the variable name to use in R; could use completion.
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(setq var (read-string "R Variable name (default e): "))
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(if (equal var "")
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(setq var "e"))
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;; Command to send to the R process. Get R to delete the file
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;; rather than Emacs in case it takes R a long time to run the
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;; scan command.
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(setq cmd (concat var " <- scan(\"" tmp-file "\"); "
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"unlink(\"" tmp-file "\")" ))
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;; Put the output from the scan command into the process buffer so
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;; the user has a record of it.
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(ess-execute cmd 'buffer))))
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;;; Peter Dalgaard's code.
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;;; This needs to be cleaned and validated!
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(defun pd::set-up-demo ()
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(run-ess-r)
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(split-window-vertically 6)
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(find-file "demos.R")
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;; Don't need to run this as a function -- ought to be fine if set
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;; just once.
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(defun ajr::scroll-to-end::peterD (emacs)
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"Goal: map prompt to bottom of the screen after every command.
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Alternatively, use the scroll-in-place package, not sure where that
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is)."
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(interactive)
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(other-buffer 1)
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(if (= emacs "emacs")
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(setq scroll-up-aggressively t)
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(setq scroll-conservatively -4)) ;; <- change this
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(other-buffer -1))
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(defun show-max-other-window ()
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(interactive)
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(other-window 1)
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(comint-show-maximum-output)
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(other-window -1))
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;; call this once
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;; (ajr::scroll-to-end::peterD "emacs")
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(global-set-key [f11] 'show-max-other-window)
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(global-set-key [f12] 'ess-eval-line-visibly-and-step))
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; Provide package
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(provide 'ess-r-a)
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;;; ess-r-a.el ends here
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