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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.
84 lines
3 KiB
EmacsLisp
84 lines
3 KiB
EmacsLisp
;;; ob-ebnf.el --- Babel Functions for EBNF -*- lexical-binding: t; -*-
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;; Copyright (C) 2013-2016 Free Software Foundation, Inc.
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;; Author: Michael Gauland
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 1.00
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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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;;; Org-Babel support for using ebnf2ps to generate encapsulated postscript
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;;; railroad diagrams. It recogises these arguments:
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;;;
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;;; :file is required; it must include the extension '.eps.' All the rules
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;;; in the block will be drawn in the same file. This is done by
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;;; inserting a '[<file>' comment at the start of the block (see the
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;;; documentation for ebnf-eps-buffer for more information).
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;;;
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;;; :style specifies a value in ebnf-style-database. This provides the
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;;; ability to customise the output. The style can also specify the
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;;; grammar syntax (by setting ebnf-syntax); note that only ebnf,
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;;; iso-ebnf, and yacc are supported by this file.
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;;; Requirements:
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;;; Code:
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(require 'ob)
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(require 'ebnf2ps)
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;; optionally declare default header arguments for this language
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(defvar org-babel-default-header-args:ebnf '((:style . nil)))
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;; Use ebnf-eps-buffer to produce an encapsulated postscript file.
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;;
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(defun org-babel-execute:ebnf (body params)
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"Execute a block of Ebnf code with org-babel. This function is
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called by `org-babel-execute-src-block'"
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(save-excursion
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(let* ((dest-file (cdr (assq :file params)))
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(dest-dir (file-name-directory dest-file))
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(dest-root (file-name-sans-extension
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(file-name-nondirectory dest-file)))
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(style (cdr (assq :style params)))
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(result nil))
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(with-temp-buffer
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(when style (ebnf-push-style style))
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(let ((comment-format
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(cond ((string= ebnf-syntax 'yacc) "/*%s*/")
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((string= ebnf-syntax 'ebnf) ";%s")
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((string= ebnf-syntax 'iso-ebnf) "(*%s*)")
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(t (setq result
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(format "EBNF error: format %s not supported."
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ebnf-syntax))))))
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(setq ebnf-eps-prefix dest-dir)
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(insert (format comment-format (format "[%s" dest-root)))
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(newline)
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(insert body)
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(newline)
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(insert (format comment-format (format "]%s" dest-root)))
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(ebnf-eps-buffer)
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(when style (ebnf-pop-style))))
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result)))
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(provide 'ob-ebnf)
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;;; ob-ebnf.el ends here
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