75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* autoload.c: Autoloading support.
|
|
*
|
|
* $Id$
|
|
*
|
|
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
|
|
* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
|
|
*
|
|
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
|
|
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
|
|
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
|
|
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
|
|
*
|
|
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
|
|
* owners or individual owners of copyright in this software, grant to any
|
|
* person or company a worldwide, royalty free, license to
|
|
*
|
|
* i) copy this software,
|
|
* ii) prepare derivative works based on this software,
|
|
* iii) distribute copies of this software or derivative works,
|
|
* iv) perform this software, or
|
|
* v) display this software,
|
|
*
|
|
* provided that this notice is not removed and that neither Oliver Laumann
|
|
* nor Teles nor Nixdorf are deemed to have made any representations as to
|
|
* the suitability of this software for any purpose nor are held responsible
|
|
* for any defects of this software.
|
|
*
|
|
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "kernel.h"
|
|
|
|
Object V_Autoload_Notifyp;
|
|
|
|
void Init_Auto (void) {
|
|
Define_Variable (&V_Autoload_Notifyp, "autoload-notify?", False);
|
|
}
|
|
|
|
Object P_Autoload (Object sym, Object files) {
|
|
Object al, ret;
|
|
GC_Node3;
|
|
|
|
al = Null;
|
|
Check_Type (sym, T_Symbol);
|
|
Check_Loadarg (files);
|
|
GC_Link3 (al, sym, files);
|
|
al = Alloc_Object (sizeof (struct S_Autoload), T_Autoload, 0);
|
|
AUTOLOAD(al)->files = files;
|
|
AUTOLOAD(al)->env = The_Environment;
|
|
al = Cons (al, Null);
|
|
al = Cons (sym, al);
|
|
ret = P_Define (al);
|
|
GC_Unlink;
|
|
return ret;
|
|
}
|
|
|
|
Object Do_Autoload (Object sym, Object al) {
|
|
Object val, a[1];
|
|
GC_Node;
|
|
|
|
if (Var_Is_True (V_Autoload_Notifyp)) {
|
|
a[0] = AUTOLOAD(al)->files;
|
|
Format (Standard_Output_Port, "[Autoloading ~a]~%", 18, 1, a);
|
|
}
|
|
GC_Link (sym);
|
|
(void)General_Load (AUTOLOAD(al)->files, AUTOLOAD(al)->env);
|
|
GC_Unlink;
|
|
val = SYMBOL(sym)->value;
|
|
if (TYPE(val) == T_Autoload)
|
|
Primitive_Error ("autoloading failed to define ~s", sym);
|
|
return val;
|
|
}
|