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* lisp/ob-C.el (org-babel-C-execute): * lisp/ob-J.el (org-babel-execute:J): * lisp/ob-R.el (org-babel-edit-prep:R): (org-babel-expand-body:R): (org-babel-execute:R): (org-babel-variable-assignments:R): (org-babel-R-initiate-session): * lisp/ob-abc.el (org-babel-execute:abc): * lisp/ob-asymptote.el (org-babel-execute:asymptote): * lisp/ob-awk.el (org-babel-execute:awk): * lisp/ob-clojure.el (org-babel-expand-body:clojure): (org-babel-execute:clojure): * lisp/ob-core.el (org-babel-expand-body:generic): (org-babel-load-in-session): (org-babel-initiate-session): (org-babel-open-src-block-result): (org-babel-process-params): (org-babel-insert-result): (org-babel-expand-noweb-references): * lisp/ob-ditaa.el (org-babel-execute:ditaa): * lisp/ob-dot.el (org-babel-execute:dot): * lisp/ob-ebnf.el (org-babel-execute:ebnf): * lisp/ob-emacs-lisp.el (org-babel-expand-body:emacs-lisp): (org-babel-execute:emacs-lisp): * lisp/ob-exp.el (org-babel-exp-process-buffer): (org-babel-exp-do-export): (org-babel-exp-code): * lisp/ob-forth.el (org-babel-execute:forth): * lisp/ob-fortran.el (org-babel-execute:fortran): * lisp/ob-gnuplot.el (org-babel-gnuplot-process-vars): (org-babel-expand-body:gnuplot): (org-babel-execute:gnuplot): * lisp/ob-groovy.el (org-babel-execute:groovy): * lisp/ob-haskell.el (org-babel-execute:haskell): * lisp/ob-io.el (org-babel-execute:io): * lisp/ob-java.el (org-babel-execute:java): * lisp/ob-js.el (org-babel-execute:js): * lisp/ob-latex.el (org-babel-execute:latex): * lisp/ob-ledger.el (org-babel-execute:ledger): * lisp/ob-lilypond.el (org-babel-lilypond-process-basic): * lisp/ob-lisp.el (org-babel-expand-body:lisp): (org-babel-execute:lisp): * lisp/ob-lua.el (org-babel-execute:lua): * lisp/ob-maxima.el (org-babel-execute:maxima): * lisp/ob-mscgen.el (org-babel-execute:mscgen): * lisp/ob-ocaml.el (org-babel-execute:ocaml): * lisp/ob-octave.el (org-babel-execute:octave): * lisp/ob-org.el (org-babel-execute:org): * lisp/ob-perl.el (org-babel-execute:perl): * lisp/ob-picolisp.el (org-babel-execute:picolisp): * lisp/ob-plantuml.el (org-babel-execute:plantuml): * lisp/ob-python.el (org-babel-execute:python): * lisp/ob-ruby.el (org-babel-execute:ruby): * lisp/ob-sass.el (org-babel-execute:sass): * lisp/ob-scala.el (org-babel-execute:scala): * lisp/ob-scheme.el (org-babel-execute:scheme): * lisp/ob-screen.el (org-babel-execute:screen): (org-babel-prep-session:screen): * lisp/ob-shell.el (org-babel-execute:shell): (org-babel-variable-assignments:shell): (org-babel-sh-evaluate): * lisp/ob-shen.el (org-babel-execute:shen): * lisp/ob-sql.el (org-babel-execute:sql): * lisp/ob-sqlite.el (org-babel-execute:sqlite): * lisp/ob-tangle.el (org-babel-tangle): (org-babel-tangle-single-block): * lisp/org-src.el (org-src-associate-babel-session): * lisp/org.el (org-next-link): Use `assq' instead of `assoc' with :keyword keys.
209 lines
7.5 KiB
EmacsLisp
209 lines
7.5 KiB
EmacsLisp
;;; ob-scheme.el --- Babel Functions for Scheme -*- lexical-binding: t; -*-
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;; Copyright (C) 2010-2016 Free Software Foundation, Inc.
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;; Authors: Eric Schulte
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;; Michael Gauland
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;; Keywords: literate programming, reproducible research, scheme
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;; Homepage: http://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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Now working with SBCL for both session and external evaluation.
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;;
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;; This certainly isn't optimally robust, but it seems to be working
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;; for the basic use cases.
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;;; Requirements:
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;; - a working scheme implementation
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;; (e.g. guile http://www.gnu.org/software/guile/guile.html)
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;;
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;; - for session based evaluation geiser is required, which is available from
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;; ELPA.
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;;; Code:
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(require 'ob)
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(require 'geiser nil t)
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(defvar geiser-repl--repl) ; Defined in geiser-repl.el
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(defvar geiser-impl--implementation) ; Defined in geiser-impl.el
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(defvar geiser-default-implementation) ; Defined in geiser-impl.el
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(defvar geiser-active-implementations) ; Defined in geiser-impl.el
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(declare-function run-geiser "ext:geiser-repl" (impl))
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(declare-function geiser-mode "ext:geiser-mode" ())
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(declare-function geiser-eval-region "ext:geiser-mode"
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(start end &optional and-go raw nomsg))
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(declare-function geiser-repl-exit "ext:geiser-repl" (&optional arg))
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(defvar org-babel-default-header-args:scheme '()
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"Default header arguments for scheme code blocks.")
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(defun org-babel-expand-body:scheme (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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(if (> (length vars) 0)
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(concat "(let ("
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(mapconcat
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(lambda (var) (format "%S" (print `(,(car var) ',(cdr var)))))
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vars "\n ")
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")\n" body ")")
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body)))
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(defvar org-babel-scheme-repl-map (make-hash-table :test 'equal)
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"Map of scheme sessions to session names.")
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(defun org-babel-scheme-cleanse-repl-map ()
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"Remove dead buffers from the REPL map."
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(maphash
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(lambda (x y)
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(when (not (buffer-name y))
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(remhash x org-babel-scheme-repl-map)))
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org-babel-scheme-repl-map))
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(defun org-babel-scheme-get-session-buffer (session-name)
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"Look up the scheme buffer for a session; return nil if it doesn't exist."
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(org-babel-scheme-cleanse-repl-map) ; Prune dead sessions
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(gethash session-name org-babel-scheme-repl-map))
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(defun org-babel-scheme-set-session-buffer (session-name buffer)
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"Record the scheme buffer used for a given session."
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(puthash session-name buffer org-babel-scheme-repl-map))
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(defun org-babel-scheme-get-buffer-impl (buffer)
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"Returns the scheme implementation geiser associates with the buffer."
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(with-current-buffer (set-buffer buffer)
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geiser-impl--implementation))
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(defun org-babel-scheme-get-repl (impl name)
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"Switch to a scheme REPL, creating it if it doesn't exist:"
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(let ((buffer (org-babel-scheme-get-session-buffer name)))
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(or buffer
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(progn
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(run-geiser impl)
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(if name
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(progn
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(rename-buffer name t)
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(org-babel-scheme-set-session-buffer name (current-buffer))))
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(current-buffer)))))
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(defun org-babel-scheme-make-session-name (buffer name impl)
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"Generate a name for the session buffer.
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For a named session, the buffer name will be the session name.
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If the session is unnamed (nil), generate a name.
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If the session is `none', use nil for the session name, and
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org-babel-scheme-execute-with-geiser will use a temporary session."
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(let ((result
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(cond ((not name)
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(concat buffer " " (symbol-name impl) " REPL"))
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((string= name "none") nil)
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(name))))
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result))
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(defmacro org-babel-scheme-capture-current-message (&rest body)
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"Capture current message in both interactive and noninteractive mode"
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`(if noninteractive
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(let ((original-message (symbol-function 'message))
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(current-message nil))
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(unwind-protect
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(progn
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(defun message (&rest args)
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(setq current-message (apply original-message args)))
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,@body
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current-message)
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(fset 'message original-message)))
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(progn
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,@body
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(current-message))))
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(defun org-babel-scheme-execute-with-geiser (code output impl repl)
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"Execute code in specified REPL. If the REPL doesn't exist, create it
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using the given scheme implementation.
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Returns the output of executing the code if the output parameter
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is true; otherwise returns the last value."
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(let ((result nil))
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(with-temp-buffer
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(insert (format ";; -*- geiser-scheme-implementation: %s -*-" impl))
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(newline)
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(insert (if output
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(format "(with-output-to-string (lambda () %s))" code)
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code))
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(geiser-mode)
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(let ((repl-buffer (save-current-buffer
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(org-babel-scheme-get-repl impl repl))))
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(when (not (eq impl (org-babel-scheme-get-buffer-impl
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(current-buffer))))
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(message "Implementation mismatch: %s (%s) %s (%s)" impl (symbolp impl)
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(org-babel-scheme-get-buffer-impl (current-buffer))
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(symbolp (org-babel-scheme-get-buffer-impl
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(current-buffer)))))
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(setq geiser-repl--repl repl-buffer)
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(setq geiser-impl--implementation nil)
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(setq result (org-babel-scheme-capture-current-message
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(geiser-eval-region (point-min) (point-max))))
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(setq result
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(if (and (stringp result) (equal (substring result 0 3) "=> "))
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(replace-regexp-in-string "^=> " "" result)
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"\"An error occurred.\""))
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(when (not repl)
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(save-current-buffer (set-buffer repl-buffer)
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(geiser-repl-exit))
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(set-process-query-on-exit-flag (get-buffer-process repl-buffer) nil)
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(kill-buffer repl-buffer))
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(setq result (if (or (string= result "#<void>")
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(string= result "#<unspecified>"))
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nil
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result))))
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result))
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(defun org-babel-execute:scheme (body params)
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"Execute a block of Scheme code with org-babel.
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This function is called by `org-babel-execute-src-block'"
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(let* ((source-buffer (current-buffer))
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(source-buffer-name (replace-regexp-in-string ;; zap surrounding *
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"^ ?\\*\\([^*]+\\)\\*" "\\1"
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(buffer-name source-buffer))))
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(save-excursion
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(org-babel-reassemble-table
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(let* ((result-type (cdr (assq :result-type params)))
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(impl (or (when (cdr (assq :scheme params))
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(intern (cdr (assq :scheme params))))
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geiser-default-implementation
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(car geiser-active-implementations)))
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(session (org-babel-scheme-make-session-name
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source-buffer-name (cdr (assq :session params)) impl))
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(full-body (org-babel-expand-body:scheme body params)))
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(org-babel-scheme-execute-with-geiser
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full-body ; code
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(string= result-type "output") ; output?
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impl ; implementation
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(and (not (string= session "none")) session))) ; session
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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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(provide 'ob-scheme)
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;;; ob-scheme.el ends here
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