From f7464fdd2e33e5dc6c159a4adc8f53902e6d4511 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Wed, 13 Apr 2011 23:20:15 -0400 Subject: Initial commit of Luke Shumaker's "dot-files". --- .emacs.d/org-7.4/lisp/ob-C.el | 194 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 194 insertions(+) create mode 100644 .emacs.d/org-7.4/lisp/ob-C.el (limited to '.emacs.d/org-7.4/lisp/ob-C.el') diff --git a/.emacs.d/org-7.4/lisp/ob-C.el b/.emacs.d/org-7.4/lisp/ob-C.el new file mode 100644 index 0000000..da0e768 --- /dev/null +++ b/.emacs.d/org-7.4/lisp/ob-C.el @@ -0,0 +1,194 @@ +;;; ob-C.el --- org-babel functions for C and similar languages + +;; Copyright (C) 2010 Free Software Foundation, Inc. + +;; Author: Eric Schulte +;; Keywords: literate programming, reproducible research +;; Homepage: http://orgmode.org +;; Version: 7.4 + +;; 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 . + +;;; Commentary: + +;; Org-Babel support for evaluating C code. +;; +;; very limited implementation: +;; - currently only support :results output +;; - not much in the way of error feedback + +;;; Code: +(require 'ob) +(require 'ob-eval) +(require 'cc-mode) + +(declare-function org-entry-get "org" + (pom property &optional inherit literal-nil)) + +(add-to-list 'org-babel-tangle-lang-exts '("c++" . "cpp")) + +(defvar org-babel-default-header-args:C '()) + +(defvar org-babel-C-compiler "gcc" + "Command used to compile a C source code file into an + executable.") + +(defvar org-babel-c++-compiler "g++" + "Command used to compile a c++ source code file into an + executable.") + +(defvar org-babel-c-variant nil + "Internal variable used to hold which type of C (e.g. C or C++) +is currently being evaluated.") + +(defun org-babel-execute:cpp (body params) + "Execute BODY according to PARAMS. This function calls +`org-babel-execute:C'." + (org-babel-execute:C body params)) + +(defun org-babel-execute:c++ (body params) + "Execute a block of C++ code with org-babel. This function is +called by `org-babel-execute-src-block'." + (let ((org-babel-c-variant 'cpp)) (org-babel-C-execute body params))) + +(defun org-babel-expand-body:c++ (body params) + "Expand a block of C++ code with org-babel according to it's +header arguments (calls `org-babel-C-expand')." + (let ((org-babel-c-variant 'cpp)) (org-babel-C-expand body params))) + +(defun org-babel-execute:C (body params) + "Execute a block of C code with org-babel. This function is +called by `org-babel-execute-src-block'." + (let ((org-babel-c-variant 'c)) (org-babel-C-execute body params))) + +(defun org-babel-expand-body:c (body params) + "Expand a block of C code with org-babel according to it's +header arguments (calls `org-babel-C-expand')." + (let ((org-babel-c-variant 'c)) (org-babel-C-expand body params))) + +(defun org-babel-C-execute (body params) + "This function should only be called by `org-babel-execute:C' +or `org-babel-execute:c++'." + (let* ((tmp-src-file (org-babel-temp-file + "C-src-" + (cond + ((equal org-babel-c-variant 'c) ".c") + ((equal org-babel-c-variant 'cpp) ".cpp")))) + (tmp-bin-file (org-babel-temp-file "C-bin-")) + (cmdline (cdr (assoc :cmdline params))) + (flags (cdr (assoc :flags params))) + (full-body (org-babel-C-expand body params)) + (compile + (progn + (with-temp-file tmp-src-file (insert full-body)) + (org-babel-eval + (format "%s -o %s %s %s" + (cond + ((equal org-babel-c-variant 'c) org-babel-C-compiler) + ((equal org-babel-c-variant 'cpp) org-babel-c++-compiler)) + (org-babel-process-file-name tmp-bin-file) + (mapconcat 'identity + (if (listp flags) flags (list flags)) " ") + (org-babel-process-file-name tmp-src-file)) "")))) + ((lambda (results) + (org-babel-reassemble-table + (if (member "vector" (cdr (assoc :result-params params))) + (let ((tmp-file (org-babel-temp-file "c-"))) + (with-temp-file tmp-file (insert results)) + (org-babel-import-elisp-from-file tmp-file)) + (org-babel-read results)) + (org-babel-pick-name + (cdr (assoc :colname-names params)) (cdr (assoc :colnames params))) + (org-babel-pick-name + (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))) + (org-babel-trim + (org-babel-eval + (concat tmp-bin-file (if cmdline (concat " " cmdline) "")) ""))))) + +(defun org-babel-C-expand (body params) + "Expand a block of C or C++ code with org-babel according to +it's header arguments." + (let ((vars (mapcar #'cdr (org-babel-get-header params :var))) + (main-p (not (string= (cdr (assoc :main params)) "no"))) + (includes (or (cdr (assoc :includes params)) + (org-babel-read (org-entry-get nil "includes" t)))) + (defines (org-babel-read + (or (cdr (assoc :defines params)) + (org-babel-read (org-entry-get nil "defines" t)))))) + (mapconcat 'identity + (list + ;; includes + (mapconcat + (lambda (inc) (format "#include %s" inc)) + (if (listp includes) includes (list includes)) "\n") + ;; defines + (mapconcat + (lambda (inc) (format "#define %s" inc)) + (if (listp defines) defines (list defines)) "\n") + ;; variables + (mapconcat 'org-babel-C-var-to-C vars "\n") + ;; body + (if main-p + (org-babel-C-ensure-main-wrap body) + body) "\n") "\n"))) + +(defun org-babel-C-ensure-main-wrap (body) + "Wrap body in a \"main\" function call if none exists." + (if (string-match "^[ \t]*[intvod]+[ \t\n\r]*main[ \t]*(.*)" body) + body + (format "int main() {\n%s\n}\n" body))) + +(defun org-babel-prep-session:C (session params) + "This function does nothing as C is a compiled language with no +support for sessions" + (error "C is a compiled languages -- no support for sessions")) + +(defun org-babel-load-session:C (session body params) + "This function does nothing as C is a compiled language with no +support for sessions" + (error "C is a compiled languages -- no support for sessions")) + +;; helper functions + +(defun org-babel-C-var-to-C (pair) + "Convert an elisp val into a string of C code specifying a var +of the same value." + ;; TODO list support + (let ((var (car pair)) + (val (cdr pair))) + (when (symbolp val) + (setq val (symbol-name val)) + (when (= (length val) 1) + (setq val (string-to-char val)))) + (cond + ((integerp val) + (format "int %S = %S;" var val)) + ((floatp val) + (format "double %S = %S;" var val)) + ((or (characterp val)) + (format "char %S = '%S';" var val)) + ((stringp val) + (format "char %S[%d] = \"%s\";" + var (+ 1 (length val)) val)) + (t + (format "u32 %S = %S;" var val))))) + + +(provide 'ob-C) + +;; arch-tag: 8f49e462-54e3-417b-9a8d-423864893b37 + +;;; ob-C.el ends here -- cgit v1.2.3-54-g00ecf