view lisp/gtk-marshal.el @ 898:b0c24ea6a2a8

[xemacs-hg @ 2002-07-03 07:18:39 by michaels] 2002-07-01 Mike Sperber <mike@xemacs.org> * process-unix.c (unix_send_process): Mark coding_outstream as non-open upon SIGPIPE. * event-stream.c (execute_internal_event): Reinstate code to deactivate a dead network connection that got lost during the stdout/stderr separation. * event-stream.c (Fnext_event): Reorder switch cases to something that makes sense.
author michaels
date Wed, 03 Jul 2002 07:18:41 +0000
parents ee2d33cfc3c1
children 91d4c8c65a0f
line wrap: on
line source

(defconst name-to-return-type
  '(("INT" . "guint")
    ("CALLBACK" . "GtkCallback")
    ("OBJECT" . "GtkObject *")
    ("POINTER" . "void *")
    ("STRING" . "gchar *")
    ("BOOL" . "gboolean")
    ("DOUBLE" . "gdouble")
    ("FLOAT" . "gfloat")
    ("LIST"  . "void *")
    ("NONE" . nil)))

(defvar defined-marshallers nil)

(defun get-marshaller-name (rval args)
  (concat "emacs_gtk_marshal_" rval "__"
	  (mapconcat 'identity (or args '("NONE")) "_")))

(defun define-marshaller (rval &rest args)
  (let ((name nil)
	(internal-rval (assoc rval  name-to-return-type))
	(ctr 0)
	(func-proto (format "__%s_fn" rval)))
    (if (not internal-rval)
	(error "Do not know return type of `%s'" rval))
    (setq name (get-marshaller-name rval args))

    (if (member name defined-marshallers)
	(error "Attempe to define the same marshaller more than once! %s" name))

    (set-buffer (get-buffer-create "emacs-marshals.c"))
    (goto-char (point-max))

    (if (or (member "FLOAT" args) (member "DOUBLE" args))
	;; We need to special case anything with FLOAT in the argument
	;; list or the parameters get screwed up royally.
	(progn
	  (setq func-proto (concat (format "__%s__" rval)
				   (mapconcat 'identity args "_")
				   "_fn"))
	  (insert "typedef "
		  (or (cdr internal-rval) "void")
		  " (*"
		  func-proto ")("
		  (mapconcat (lambda (x)
			       (cdr (assoc x name-to-return-type))) args ", ")
		  ");\n")))

    (insert "\n"
	    "static void\n"
	    name " (ffi_actual_function func, GtkArg *args)\n"
	    "{\n"
	    (format "  %s rfunc = (%s) func;\n" func-proto func-proto))

    (if (string= "LIST" rval) (setq rval "POINTER"))

    (if (cdr internal-rval)
	;; It has a return type to worry about
	(insert "  " (cdr internal-rval) " *return_val;\n\n"
		(format "  return_val = GTK_RETLOC_%s (args[%d]);\n" rval (length args))
		"  *return_val = ")
      (insert "  "))
    (insert "(*rfunc) (")
    (while args
      (if (/= ctr 0)
	  (insert ", "))
      (insert (format "GTK_VALUE_%s (args[%d])" (car args) ctr))
      (setq args (cdr args)
	    ctr (1+ ctr)))
    (insert ");\n")
    (insert "}\n")))

(save-excursion
  (find-file "../src/emacs-marshals.c")
  (erase-buffer)
  (setq defined-marshallers nil)

  (insert "/* This file was automatically generated by ../lisp/gtk-marshal.el */\n"
	  "/* DO NOT EDIT BY HAND!!! */\n")
  (insert "#define GTK_VALUE_ARRAY(x) GTK_VALUE_POINTER(x)\n\n")
  (insert "#define GTK_VALUE_LIST(x) GTK_VALUE_POINTER(x)\n\n")

  (let ((todo '(
		("BOOL" "OBJECT" "INT")
		("BOOL" "OBJECT" "OBJECT" "OBJECT")
		("BOOL" "OBJECT" "OBJECT")
		("BOOL" "OBJECT" "POINTER")
		("BOOL" "OBJECT" "STRING")
		("BOOL" "OBJECT")
		("BOOL" "POINTER" "BOOL")
		("BOOL" "POINTER")
		("BOOL")
		("FLOAT" "OBJECT" "FLOAT")
		("FLOAT" "OBJECT")
		("INT" "BOOL")
		("INT" "OBJECT" "ARRAY")
		("INT" "OBJECT" "INT" "ARRAY")
		("INT" "OBJECT" "INT" "INT")
		("INT" "OBJECT" "INT" "STRING")
		("INT" "OBJECT" "INT")
		("INT" "OBJECT" "OBJECT")
		("INT" "OBJECT" "POINTER" "INT" "INT")
		("INT" "OBJECT" "POINTER" "INT")
		("INT" "OBJECT" "POINTER")
		("INT" "OBJECT" "STRING")
		("INT" "OBJECT")
		("INT" "POINTER" "INT")
		("INT" "POINTER" "STRING" "INT")
		("INT" "POINTER" "STRING" "STRING")
		("INT" "POINTER" "STRING")
		("INT" "POINTER")
		("INT" "STRING" "STRING" "INT" "ARRAY")
		("INT" "STRING")
		("INT")
		("LIST" "OBJECT")
		("LIST")
		("NONE" "BOOL")
		("NONE" "INT" "INT" "INT" "INT")
		("NONE" "INT" "INT")
		("NONE" "INT")
		("NONE" "OBJECT" "BOOL" "INT")
		("NONE" "OBJECT" "BOOL")
		("NONE" "OBJECT" "FLOAT" "FLOAT" "FLOAT" "BOOL")
		("NONE" "OBJECT" "FLOAT" "FLOAT" "FLOAT" "FLOAT")
		("NONE" "OBJECT" "FLOAT" "FLOAT" "FLOAT")
		("NONE" "OBJECT" "FLOAT" "FLOAT")
		("NONE" "OBJECT" "FLOAT")
		("NONE" "OBJECT" "INT" "BOOL")
		("NONE" "OBJECT" "INT" "FLOAT" "BOOL")
		("NONE" "OBJECT" "INT" "FLOAT")
		("NONE" "OBJECT" "INT" "INT" "ARRAY" "ARRAY" "ARRAY" "ARRAY" "ARRAY" "ARRAY")
		("NONE" "OBJECT" "INT" "INT" "ARRAY")
		("NONE" "OBJECT" "INT" "INT" "FLOAT" "FLOAT")
		("NONE" "OBJECT" "INT" "INT" "INT" "INT")
		("NONE" "OBJECT" "INT" "INT" "INT")
		("NONE" "OBJECT" "INT" "INT" "POINTER" "POINTER")
		("NONE" "OBJECT" "INT" "INT" "POINTER")
		("NONE" "OBJECT" "INT" "INT" "STRING" "INT" "POINTER" "POINTER")
		("NONE" "OBJECT" "INT" "INT" "STRING")
		("NONE" "OBJECT" "INT" "INT")
		("NONE" "OBJECT" "INT" "OBJECT")
		("NONE" "OBJECT" "INT" "POINTER")
		("NONE" "OBJECT" "INT" "STRING")
		("NONE" "OBJECT" "INT")
		("NONE" "OBJECT" "LIST" "INT")
		("NONE" "OBJECT" "LIST")
		("NONE" "OBJECT" "OBJECT" "BOOL" "BOOL" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "BOOL" "BOOL" "INT")
		("NONE" "OBJECT" "OBJECT" "BOOL" "BOOL")
		("NONE" "OBJECT" "OBJECT" "FLOAT" "INT")
		("NONE" "OBJECT" "OBJECT" "INT" "INT" "INT" "INT" "INT" "INT" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "INT" "INT" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "INT" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "INT")
		("NONE" "OBJECT" "OBJECT" "OBJECT" "INT")
		("NONE" "OBJECT" "OBJECT" "OBJECT" "OBJECT" "INT")
		("NONE" "OBJECT" "OBJECT" "OBJECT" "OBJECT")
		("NONE" "OBJECT" "OBJECT" "OBJECT" "POINTER" "POINTER" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "OBJECT")
		("NONE" "OBJECT" "OBJECT" "POINTER")
		("NONE" "OBJECT" "OBJECT" "STRING" "INT" "INT" "INT" "INT" "INT")
		("NONE" "OBJECT" "OBJECT" "STRING" "STRING" "INT")
		("NONE" "OBJECT" "OBJECT" "STRING" "STRING")
		("NONE" "OBJECT" "OBJECT" "STRING")
		("NONE" "OBJECT" "OBJECT")
		("NONE" "OBJECT" "POINTER" "BOOL")
		("NONE" "OBJECT" "POINTER" "INT" "FLOAT" "FLOAT")
		("NONE" "OBJECT" "POINTER" "INT" "INT" "INT")
		("NONE" "OBJECT" "POINTER" "INT" "INT")
		("NONE" "OBJECT" "POINTER" "INT" "POINTER" "POINTER")
		("NONE" "OBJECT" "POINTER" "INT" "POINTER")
		("NONE" "OBJECT" "POINTER" "INT" "STRING" "INT" "POINTER" "POINTER")
		("NONE" "OBJECT" "POINTER" "INT" "STRING")
		("NONE" "OBJECT" "POINTER" "INT")
		("NONE" "OBJECT" "POINTER" "POINTER" "INT" "INT" "INT" "INT" "INT" "INT")
		("NONE" "OBJECT" "POINTER" "POINTER" "POINTER" "STRING" "INT")
		("NONE" "OBJECT" "POINTER" "POINTER" "POINTER")
		("NONE" "OBJECT" "POINTER" "POINTER")
		("NONE" "OBJECT" "POINTER" "STRING" "INT" "POINTER" "POINTER" "POINTER" "POINTER" "BOOL" "BOOL")
		("NONE" "OBJECT" "POINTER")
		("NONE" "OBJECT" "STRING" "BOOL")
		("NONE" "OBJECT" "STRING" "INT" "INT" "INT")
		("NONE" "OBJECT" "STRING" "POINTER" "INT" "INT" "INT")
		("NONE" "OBJECT" "STRING" "POINTER" "INT" "INT")
		("NONE" "OBJECT" "STRING" "STRING")
		("NONE" "OBJECT" "STRING")
		("NONE" "OBJECT")
		("NONE" "POINTER" "INT" "INT")
		("NONE" "POINTER" "INT")
		("NONE" "POINTER" "POINTER" "BOOL" "INT" "INT" "INT" "INT" "INT" "INT")
		("NONE" "POINTER" "POINTER" "BOOL" "INT" "INT" "INT" "INT")
		("NONE" "POINTER" "POINTER" "INT" "INT" "INT" "INT")
		("NONE" "POINTER" "POINTER" "INT" "INT")
		("NONE" "POINTER" "POINTER" "POINTER" "INT" "INT" "STRING" "INT")
		("NONE" "POINTER" "POINTER" "POINTER" "INT" "INT" "STRING")
		("NONE" "POINTER" "POINTER" "POINTER" "POINTER")
		("NONE" "POINTER" "POINTER")
		("NONE" "POINTER" "STRING" "STRING")
		("NONE" "POINTER" "STRING")
		("NONE" "POINTER")
		("NONE")
		("OBJECT" "BOOL" "BOOL" "INT")
		("OBJECT" "BOOL" "INT")
		("OBJECT" "FLOAT" "FLOAT" "FLOAT" "FLOAT" "FLOAT" "FLOAT")
		("OBJECT" "FLOAT" "FLOAT" "FLOAT" "FLOAT" "FLOAT")
		("OBJECT" "FLOAT" "FLOAT" "FLOAT" "FLOAT")
		("OBJECT" "INT" "ARRAY")
		("OBJECT" "INT" "BOOL" "BOOL")
		("OBJECT" "INT" "INT" "ARRAY")
		("OBJECT" "INT" "INT" "BOOL")
		("OBJECT" "INT" "INT" "STRING")
		("OBJECT" "INT" "INT")
		("OBJECT" "INT")
		("OBJECT" "OBJECT" "FLOAT" "INT")
		("OBJECT" "OBJECT" "INT")
		("OBJECT" "OBJECT" "OBJECT")
		("OBJECT" "OBJECT" "STRING" "INT" "INT" "INT" "INT" "INT")
		("OBJECT" "OBJECT" "STRING" "INT" "INT" "INT" "INT")
		("OBJECT" "OBJECT" "STRING" "INT" "INT")
		("OBJECT" "OBJECT" "STRING")
		("OBJECT" "OBJECT")
		("OBJECT" "POINTER" "POINTER")
		("OBJECT" "POINTER" "STRING")
		("OBJECT" "POINTER")
		("OBJECT" "STRING" "FLOAT" "FLOAT" "FLOAT" "BOOL")
		("OBJECT" "STRING" "INT" "STRING" "STRING")
		("OBJECT" "STRING" "OBJECT")
		("OBJECT" "STRING" "STRING" "STRING" "ARRAY" "STRING" "STRING")
		("OBJECT" "STRING" "STRING")
		("OBJECT" "STRING")
		("OBJECT")
		("POINTER" "INT" "INT")
		("POINTER" "INT")
		("POINTER" "OBJECT" "INT" "INT")
		("POINTER" "OBJECT" "INT")
		("POINTER" "OBJECT" "POINTER" "INT")
		("POINTER" "OBJECT" "POINTER" "POINTER" "ARRAY" "INT" "POINTER" "POINTER" "POINTER" "POINTER" "BOOL" "BOOL")
		("POINTER" "OBJECT" "POINTER")
		("POINTER" "OBJECT")
		("POINTER" "POINTER")
		("POINTER" "STRING" "INT")
		("POINTER")
		("STRING" "INT" "INT" "INT")
		("STRING" "INT")
		("STRING" "OBJECT" "BOOL")
		("STRING" "OBJECT" "FLOAT")
		("STRING" "OBJECT" "INT" "INT")
		("STRING" "OBJECT" "INT")
		("STRING" "OBJECT")
		("STRING" "POINTER" "STRING")
		("STRING" "POINTER")
		("STRING")
		)
	      )
	)
    (mapc (lambda (x) (apply 'define-marshaller x)) todo)

    (insert "\n
#include \"hash.h\"
static int
our_string_eq (const void *st1, const void *st2)
{
  if (!st1)
    return st2 ? 0 : 1;
  else if (!st2)
    return 0;
  else
    return !strcmp ( (const char *) st1, (const char *) st2);
}

static unsigned long
our_string_hash (const void *xv)
{
  unsigned int h = 0;
  unsigned const char *x = (unsigned const char *) xv;

  if (!x) return 0;

  while (*x)
    {
      unsigned int g;
      h = (h << 4) + *x++;
      if ((g = h & 0xf0000000) != 0)
	h = (h ^ (g >> 24)) ^ g;
    }

  return h;
}

static struct hash_table *marshaller_hashtable;

static void initialize_marshaller_storage (void)
{
	if (!marshaller_hashtable)
	{
		marshaller_hashtable = make_general_hash_table (100, our_string_hash, our_string_eq);
")
    
    (mapc (lambda (x)
	    (let ((name (get-marshaller-name (car x) (cdr x))))
	      (insert (format "\t\tputhash (\"%s\", (void *) %s, marshaller_hashtable);\n" name name))))
	  todo)
    (insert "\t};\n"
	    "}\n"
	    "
static void *find_marshaller (const char *func_name)
{
	void *fn = NULL;
	initialize_marshaller_storage ();

	if (gethash (func_name, marshaller_hashtable, (const void **)&fn))
	{
		return (fn);
	}

	return (NULL);
}
"))

  (save-buffer)
  (kill-buffer "emacs-marshals.c"))