Merge Org version 8.2.3a.

1 files changed, 78 insertions, 31 deletions

diff --git a/lisp/org/ob-C.el b/lisp/org/ob-C.el
index 42a98de8c05..e9eec934dc1 100644
--- a/lisp/org/ob-C.el
+++ b/lisp/org/ob-C.el
@@ -31,7 +31,6 @@
 
 ;;; Code:
 (require 'ob)
-(require 'ob-eval)
 (require 'cc-mode)
 
 (declare-function org-entry-get "org"
@@ -45,24 +44,24 @@
 
 (defvar org-babel-C-compiler "gcc"
   "Command used to compile a C source code file into an
-  executable.")
+executable.")
 
 (defvar org-babel-C++-compiler "g++"
   "Command used to compile a C++ source code file into an
-  executable.")
+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++'."
+  "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'."
+  "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)
@@ -71,8 +70,8 @@ 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'."
+  "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)
@@ -106,11 +105,11 @@ or `org-babel-execute:C++'."
 		     (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-result-cond (cdr (assoc :result-params params))
+	  (org-babel-read 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 (assoc :colname-names params)) (cdr (assoc :colnames params)))
 	(org-babel-pick-name
@@ -147,10 +146,10 @@ it's header arguments."
 		  body) "\n") "\n")))
 
 (defun org-babel-C-ensure-main-wrap (body)
-  "Wrap body in a \"main\" function call if none exists."
+  "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)))
+    (format "int main() {\n%s\nreturn 0;\n}\n" body)))
 
 (defun org-babel-prep-session:C (session params)
   "This function does nothing as C is a compiled language with no
@@ -164,6 +163,59 @@ 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."
+  (cond
+   ((integerp val) '("int" "%d"))
+   ((floatp val) '("double" "%f"))
+   ((or (listp val) (vectorp val))
+    (lexical-let ((type (org-babel-C-val-to-C-list-type val)))
+      (list (car type)
+	    (lambda (val)
+	      (cons
+	       (format "[%d]%s"
+		       (length val)
+		       (car (org-babel-C-format-val type (elt val 0))))
+	       (concat "{ "
+		       (mapconcat (lambda (v)
+				    (cdr (org-babel-C-format-val type v)))
+				  val
+				  ", ")
+		       " }"))))))
+   (t ;; treat unknown types as string
+    '("char" (lambda (val)
+	       (let ((s (format "%s" val))) ;; convert to string for unknown types
+		 (cons (format "[%d]" (1+ (length s)))
+		       (concat "\"" s "\""))))))))
+
+(defun org-babel-C-val-to-C-list-type (val)
+  "Determine the C array type of a VAL."
+  (let (type)
+    (mapc
+     #'(lambda (i)
+	 (let* ((tmp-type (org-babel-C-val-to-C-type i))
+		(type-name (car type))
+		(tmp-type-name (car tmp-type)))
+	   (when (and type (not (string= type-name tmp-type-name)))
+	     (if (and (member type-name '("int" "double" "int32_t"))
+		      (member tmp-type-name '("int" "double" "int32_t")))
+		 (setq tmp-type '("double" "" "%f"))
+	       (error "Only homogeneous lists are supported by C.  You can not mix %s and %s"
+		      type-name
+		      tmp-type-name)))
+	   (setq type tmp-type)))
+     val)
+    type))
+
 (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."
@@ -174,22 +226,17 @@ of the same value."
       (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 (integerp 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)))))
-
+    (let* ((type-data (org-babel-C-val-to-C-type val))
+	   (type (car type-data))
+	   (formated (org-babel-C-format-val type-data val))
+	   (suffix (car formated))
+	   (data (cdr formated)))
+      (format "%s %s%s = %s;"
+	      type
+	      var
+	      suffix
+	      data))))
 
 (provide 'ob-C)
 
-
-
 ;;; ob-C.el ends here