forked from mirrors/org-mode
520 lines
17 KiB
EmacsLisp
520 lines
17 KiB
EmacsLisp
;;; ob-C.el --- Babel Functions for C and Similar Languages -*- lexical-binding: t; -*-
|
|
|
|
;; Copyright (C) 2010-2024 Free Software Foundation, Inc.
|
|
|
|
;; Author: Eric Schulte
|
|
;; Thierry Banel
|
|
;; Maintainer: Thierry Banel <tbanelwebmin@free.fr>
|
|
;; Keywords: literate programming, reproducible research
|
|
;; URL: 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 C, C++, D code.
|
|
;;
|
|
;; very limited implementation:
|
|
;; - currently only support :results output
|
|
;; - not much in the way of error feedback
|
|
|
|
;;; Code:
|
|
|
|
(require 'org-macs)
|
|
(org-assert-version)
|
|
|
|
(require 'cc-mode)
|
|
(require 'ob)
|
|
(require 'org-macs)
|
|
|
|
(declare-function org-entry-get "org" (pom property &optional inherit literal-nil))
|
|
|
|
(defvar org-babel-tangle-lang-exts)
|
|
(add-to-list 'org-babel-tangle-lang-exts '("C++" . "cpp"))
|
|
(add-to-list 'org-babel-tangle-lang-exts '("D" . "d"))
|
|
|
|
(defvar org-babel-default-header-args:C '())
|
|
|
|
(defconst org-babel-header-args:C '((includes . :any)
|
|
(defines . :any)
|
|
(main . :any)
|
|
(flags . :any)
|
|
(cmdline . :any)
|
|
(libs . :any))
|
|
"C/C++-specific header arguments.")
|
|
|
|
(defconst org-babel-header-args:C++
|
|
(append '((namespaces . :any))
|
|
org-babel-header-args:C)
|
|
"C++-specific header arguments.")
|
|
|
|
(defcustom org-babel-C-compiler "gcc"
|
|
"Command used to compile a C source code file into an executable.
|
|
May be either a command in the path, like gcc
|
|
or an absolute path name, like /usr/local/bin/gcc
|
|
parameter may be used, like gcc -v"
|
|
:group 'org-babel
|
|
:version "24.3"
|
|
:type 'string)
|
|
|
|
(defcustom org-babel-C++-compiler "g++"
|
|
"Command used to compile a C++ source code file into an executable.
|
|
May be either a command in the path, like g++
|
|
or an absolute path name, like /usr/local/bin/g++
|
|
parameter may be used, like g++ -v"
|
|
:group 'org-babel
|
|
:version "24.3"
|
|
:type 'string)
|
|
|
|
(defcustom org-babel-D-compiler "rdmd"
|
|
"Command used to compile and execute a D source code file.
|
|
May be either a command in the path, like rdmd
|
|
or an absolute path name, like /usr/local/bin/rdmd
|
|
parameter may be used, like rdmd --chatty"
|
|
:group 'org-babel
|
|
:version "24.3"
|
|
:type 'string)
|
|
|
|
(defvar org-babel-c-variant nil
|
|
"Internal variable used to hold which type of C (e.g. C or C++ or D)
|
|
is currently being evaluated.")
|
|
|
|
(defun org-babel-execute:cpp (body params)
|
|
"Execute BODY according to its header arguments PARAMS.
|
|
This function calls `org-babel-execute:C++'."
|
|
(org-babel-execute:C++ body params))
|
|
|
|
(defun org-babel-expand-body:cpp (body params)
|
|
"Expand C++ BODY with org-babel according to its header arguments PARAMS."
|
|
(org-babel-expand-body:C++ body params))
|
|
|
|
(defun org-babel-execute:C++ (body params)
|
|
"Execute C++ BODY with org-babel according to its header arguments PARAMS.
|
|
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 C++ BODY with org-babel according to its header arguments PARAMS."
|
|
(let ((org-babel-c-variant 'cpp)) (org-babel-C-expand-C++ body params)))
|
|
|
|
(defun org-babel-execute:D (body params)
|
|
"Execute D BODY with org-babel according to its header arguments PARAMS.
|
|
This function is called by `org-babel-execute-src-block'."
|
|
(let ((org-babel-c-variant 'd)) (org-babel-C-execute body params)))
|
|
|
|
(defun org-babel-expand-body:D (body params)
|
|
"Expand D BODY with org-babel according to its header arguments PARAMS."
|
|
(let ((org-babel-c-variant 'd)) (org-babel-C-expand-D body params)))
|
|
|
|
(defun org-babel-execute:C (body params)
|
|
"Execute a C BODY according to its header arguments PARAMS.
|
|
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 C BODY according to its header arguments PARAMS."
|
|
(let ((org-babel-c-variant 'c)) (org-babel-C-expand-C body params)))
|
|
|
|
(defun org-babel-C-execute (body params)
|
|
"Execute C/C++/D BODY according to its header arguments PARAMS.
|
|
This function should only be called by `org-babel-execute:C' or
|
|
`org-babel-execute:C++' or `org-babel-execute:D'."
|
|
(let* ((tmp-src-file (org-babel-temp-file
|
|
"C-src-"
|
|
(pcase org-babel-c-variant
|
|
(`c ".c") (`cpp ".cpp") (`d ".d"))))
|
|
(tmp-bin-file ;not used for D
|
|
(org-babel-process-file-name
|
|
(org-babel-temp-file "C-bin-" org-babel-exeext)))
|
|
(cmdline (cdr (assq :cmdline params)))
|
|
(cmdline (if cmdline (concat " " cmdline) ""))
|
|
(flags (cdr (assq :flags params)))
|
|
(flags (mapconcat 'identity
|
|
(if (listp flags) flags (list flags)) " "))
|
|
(libs (org-babel-read
|
|
(or (cdr (assq :libs params))
|
|
(org-entry-get nil "libs" t))
|
|
nil))
|
|
(libs (mapconcat #'identity
|
|
(if (listp libs) libs (list libs))
|
|
" "))
|
|
(full-body
|
|
(pcase org-babel-c-variant
|
|
(`c (org-babel-C-expand-C body params))
|
|
(`cpp (org-babel-C-expand-C++ body params))
|
|
(`d (org-babel-C-expand-D body params)))))
|
|
(with-temp-file tmp-src-file (insert full-body))
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(org-babel-eval
|
|
(format "%s -o %s %s %s %s"
|
|
(pcase org-babel-c-variant
|
|
(`c org-babel-C-compiler)
|
|
(`cpp org-babel-C++-compiler))
|
|
tmp-bin-file
|
|
flags
|
|
(org-babel-process-file-name tmp-src-file)
|
|
libs)
|
|
""))
|
|
(`d nil)) ;; no separate compilation for D
|
|
(let ((results
|
|
(org-babel-eval
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(concat tmp-bin-file cmdline))
|
|
(`d
|
|
(format "%s %s %s %s"
|
|
org-babel-D-compiler
|
|
flags
|
|
(org-babel-process-file-name tmp-src-file)
|
|
cmdline)))
|
|
"")))
|
|
(when results
|
|
(setq results (org-remove-indentation results))
|
|
(org-babel-reassemble-table
|
|
(org-babel-result-cond (cdr (assq :result-params params))
|
|
results
|
|
(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-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-C-expand-C++ (body params)
|
|
"Expand C/C++ BODY with according to its header arguments PARAMS."
|
|
(org-babel-C-expand-C body params))
|
|
|
|
(defun org-babel-C-expand-C (body params)
|
|
"Expand C/C++ BODY according to its header arguments PARAMS."
|
|
(let ((vars (org-babel--get-vars params))
|
|
(colnames (cdr (assq :colname-names params)))
|
|
(main-p (not (string= (cdr (assq :main params)) "no")))
|
|
(includes (org-babel-read
|
|
(cdr (assq :includes params))
|
|
nil))
|
|
(defines (org-babel-read
|
|
(cdr (assq :defines params))
|
|
nil))
|
|
(namespaces (org-babel-read
|
|
(cdr (assq :namespaces params))
|
|
nil))
|
|
(prologue (cdr (assq :prologue params)))
|
|
(epilogue (cdr (assq :epilogue params))))
|
|
(when (stringp includes)
|
|
(setq includes (split-string includes)))
|
|
(when (stringp namespaces)
|
|
(setq namespaces (split-string namespaces)))
|
|
(when (stringp defines)
|
|
(let ((y nil)
|
|
(result (list t)))
|
|
(dolist (x (split-string defines))
|
|
(if (null y)
|
|
(setq y x)
|
|
(nconc result (list (concat y " " x)))
|
|
(setq y nil)))
|
|
(setq defines (cdr result))))
|
|
(setq body
|
|
(concat
|
|
(and prologue (concat prologue "\n"))
|
|
body
|
|
(and epilogue (concat "\n" epilogue "\n"))))
|
|
(mapconcat 'identity
|
|
(list
|
|
;; includes
|
|
(mapconcat
|
|
(lambda (inc)
|
|
;; :includes '(<foo> <bar>) gives us a list of
|
|
;; symbols; convert those to strings.
|
|
(when (symbolp inc) (setq inc (symbol-name inc)))
|
|
(if (string-prefix-p "<" inc)
|
|
(format "#include %s" inc)
|
|
(format "#include \"%s\"" inc)))
|
|
includes "\n")
|
|
;; defines
|
|
(mapconcat
|
|
(lambda (inc) (format "#define %s" inc))
|
|
(if (listp defines) defines (list defines)) "\n")
|
|
;; namespaces
|
|
(mapconcat
|
|
(lambda (inc) (format "using namespace %s;" inc))
|
|
namespaces
|
|
"\n")
|
|
;; variables
|
|
(mapconcat 'org-babel-C-var-to-C vars "\n")
|
|
;; table sizes
|
|
(mapconcat 'org-babel-C-table-sizes-to-C vars "\n")
|
|
;; tables headers utility
|
|
(when colnames
|
|
(org-babel-C-utility-header-to-C))
|
|
;; tables headers
|
|
(mapconcat (lambda (head)
|
|
(let* ((tblnm (car head))
|
|
(tbl (cdr (car (let* ((el vars))
|
|
(while (not (or (equal tblnm (caar el)) (not el)))
|
|
(setq el (cdr el)))
|
|
el))))
|
|
(type (org-babel-C-val-to-base-type tbl)))
|
|
(org-babel-C-header-to-C head type))) colnames "\n")
|
|
;; body
|
|
(if main-p
|
|
(org-babel-C-ensure-main-wrap body)
|
|
body) "\n") "\n")))
|
|
|
|
(defun org-babel-C-expand-D (body params)
|
|
"Expand D BODY according to its header arguments PARAMS."
|
|
(let ((vars (org-babel--get-vars params))
|
|
(colnames (cdr (assq :colname-names params)))
|
|
(main-p (not (string= (cdr (assq :main params)) "no")))
|
|
(imports (or (cdr (assq :imports params))
|
|
(org-babel-read (org-entry-get nil "imports" t)))))
|
|
(when (stringp imports)
|
|
(setq imports (split-string imports)))
|
|
(setq imports (append imports '("std.stdio" "std.conv")))
|
|
(mapconcat 'identity
|
|
(list
|
|
"module mmm;"
|
|
;; imports
|
|
(mapconcat
|
|
(lambda (inc) (format "import %s;" inc))
|
|
imports "\n")
|
|
;; variables
|
|
(mapconcat 'org-babel-C-var-to-C vars "\n")
|
|
;; table sizes
|
|
(mapconcat 'org-babel-C-table-sizes-to-C vars "\n")
|
|
;; tables headers utility
|
|
(when colnames
|
|
(org-babel-C-utility-header-to-C))
|
|
;; tables headers
|
|
(mapconcat (lambda (head)
|
|
(let* ((tblnm (car head))
|
|
(tbl (cdr (car (let* ((el vars))
|
|
(while (not (or (equal tblnm (caar el)) (not el)))
|
|
(setq el (cdr el)))
|
|
el))))
|
|
(type (org-babel-C-val-to-base-type tbl)))
|
|
(org-babel-C-header-to-C head type))) colnames "\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\nreturn 0;\n}\n" body)))
|
|
|
|
(defun org-babel-prep-session:C (_session _params)
|
|
"Throw and error that sessions are not supported.
|
|
This function does nothing as C is a compiled language with no support
|
|
for sessions."
|
|
(error "C is a compiled language -- no support for sessions"))
|
|
|
|
(defun org-babel-load-session:C (_session _body _params)
|
|
"Throw and error that sessions are not supported.
|
|
This function does nothing as C is a compiled language with no support
|
|
for sessions."
|
|
(error "C is a compiled language -- no support for sessions"))
|
|
|
|
;; helper functions
|
|
|
|
(defun org-babel-C-format-val (type val)
|
|
"Handle the FORMAT part of TYPE with the data from VAL."
|
|
(let ((format-data (cadr type)))
|
|
(if (stringp format-data)
|
|
(cons "" (format format-data val))
|
|
(funcall format-data val))))
|
|
|
|
(defun org-babel-C-val-to-C-type (val)
|
|
"Determine the type of VAL.
|
|
Return a list (TYPE-NAME FORMAT). TYPE-NAME should be the name of the type.
|
|
FORMAT can be either a format string or a function which is called with VAL."
|
|
(let* ((basetype (org-babel-C-val-to-base-type val))
|
|
(type
|
|
(pcase basetype
|
|
(`integerp '("int" "%d"))
|
|
(`floatp '("double" "%s")) ;; %f rounds, use %s to print the float literally
|
|
(`stringp
|
|
(list
|
|
(if (eq org-babel-c-variant 'd) "string" "const char*")
|
|
"\"%s\""))
|
|
(_ (error "Unknown type %S" basetype)))))
|
|
(cond
|
|
((integerp val) type) ;; an integer declared in the #+begin_src line
|
|
((floatp val) type) ;; a numeric declared in the #+begin_src line
|
|
((and (listp val) (listp (car val))) ;; a table
|
|
`(,(car type)
|
|
(lambda (val)
|
|
(cons
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp) (format "[%d][%d]" (length val) (length (car val))))
|
|
(`d (format "[%d][%d]" (length (car val)) (length val))))
|
|
(concat
|
|
(if (eq org-babel-c-variant 'd) "[\n" "{\n")
|
|
(mapconcat
|
|
(lambda (v)
|
|
(concat
|
|
(if (eq org-babel-c-variant 'd) " [" " {")
|
|
(mapconcat (lambda (w) (format ,(cadr type) w)) v ",")
|
|
(if (eq org-babel-c-variant 'd) "]" "}")))
|
|
val
|
|
",\n")
|
|
(if (eq org-babel-c-variant 'd) "\n]" "\n}"))))))
|
|
((or (listp val) (vectorp val)) ;; a list declared in the #+begin_src line
|
|
`(,(car type)
|
|
(lambda (val)
|
|
(cons
|
|
(format "[%d]" (length val))
|
|
(concat
|
|
(if (eq org-babel-c-variant 'd) "[" "{")
|
|
(mapconcat (lambda (v) (format ,(cadr type) v)) val ",")
|
|
(if (eq org-babel-c-variant 'd) "]" "}"))))))
|
|
(t ;; treat unknown types as string
|
|
type))))
|
|
|
|
(defun org-babel-C-val-to-base-type (val)
|
|
"Determine the base type of VAL.
|
|
The type is:
|
|
- `integerp' if all base values are integers;
|
|
- `floatp' if all base values are either floating points or integers;
|
|
- `stringp' otherwise."
|
|
(cond
|
|
((integerp val) 'integerp)
|
|
((floatp val) 'floatp)
|
|
((or (listp val) (vectorp val))
|
|
(let ((type nil))
|
|
(mapc (lambda (v)
|
|
(pcase (org-babel-C-val-to-base-type v)
|
|
(`stringp (setq type 'stringp))
|
|
(`floatp
|
|
(when (or (not type) (eq type 'integerp))
|
|
(setq type 'floatp)))
|
|
(`integerp
|
|
(unless type (setq type 'integerp)))))
|
|
val)
|
|
type))
|
|
(t 'stringp)))
|
|
|
|
(defun org-babel-C-var-to-C (pair)
|
|
"Convert PAIR of (var . val) C variable assignment."
|
|
;; 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))))
|
|
(let* ((type-data (org-babel-C-val-to-C-type val))
|
|
(type (car type-data))
|
|
(formatted (org-babel-C-format-val type-data val))
|
|
(suffix (car formatted))
|
|
(data (cdr formatted)))
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(format "%s %s%s = %s;"
|
|
type
|
|
var
|
|
suffix
|
|
data))
|
|
(`d
|
|
(format "%s%s %s = %s;"
|
|
type
|
|
suffix
|
|
var
|
|
data))))))
|
|
|
|
(defun org-babel-C-table-sizes-to-C (pair)
|
|
"Create constants of table dimensions, if PAIR is a table."
|
|
(when (listp (cdr pair))
|
|
(cond
|
|
((listp (cadr pair)) ;; a table
|
|
(concat
|
|
(format "const int %s_rows = %d;" (car pair) (length (cdr pair)))
|
|
"\n"
|
|
(format "const int %s_cols = %d;" (car pair) (length (cadr pair)))))
|
|
(t ;; a list declared in the #+begin_src line
|
|
(format "const int %s_cols = %d;" (car pair) (length (cdr pair)))))))
|
|
|
|
(defun org-babel-C-utility-header-to-C ()
|
|
"Generate a utility function to convert a column name into a column number."
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(concat
|
|
"
|
|
#ifndef _STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
int get_column_num (int nbcols, const char** header, const char* column)
|
|
{
|
|
int c;
|
|
for (c=0; c<nbcols; c++)
|
|
if (strcmp(header[c],column)==0)
|
|
return c;
|
|
return -1;
|
|
}
|
|
"))
|
|
(`d
|
|
"int get_column_num (string[] header, string column)
|
|
{
|
|
foreach (c, h; header)
|
|
if (h==column)
|
|
return to!int(c);
|
|
return -1;
|
|
}
|
|
")))
|
|
|
|
(defun org-babel-C-header-to-C (head type)
|
|
"Convert an elisp list of header table into a C or D vector
|
|
specifying a variable with the name of the table."
|
|
(message "%S" type)
|
|
(let ((table (car head))
|
|
(headers (cdr head))
|
|
(typename (pcase type
|
|
(`integerp "int")
|
|
(`floatp "double")
|
|
(`stringp (pcase org-babel-c-variant
|
|
((or `c `cpp) "const char*")
|
|
(`d "string"))))))
|
|
(concat
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(format "const char* %s_header[%d] = {%s};"
|
|
table
|
|
(length headers)
|
|
(mapconcat (lambda (h) (format "\"%s\"" h)) headers ",")))
|
|
(`d
|
|
(format "string[%d] %s_header = [%s];"
|
|
(length headers)
|
|
table
|
|
(mapconcat (lambda (h) (format "\"%s\"" h)) headers ","))))
|
|
"\n"
|
|
(pcase org-babel-c-variant
|
|
((or `c `cpp)
|
|
(format
|
|
"%s %s_h (int row, const char* col) { return %s[row][get_column_num(%d,%s_header,col)]; }"
|
|
typename table table (length headers) table))
|
|
(`d
|
|
(format
|
|
"%s %s_h (size_t row, string col) { return %s[row][get_column_num(%s_header,col)]; }"
|
|
typename table table table))))))
|
|
|
|
(provide 'ob-C)
|
|
|
|
;;; ob-C.el ends here
|