074e2f98c7
* NEW: Arguments passed by reference were implemented. [COMPILER] * NEW: Arguments passed by reference were implemented. git-svn-id: svn://localhost/gambas/trunk@1016 867c0c6c-44f3-4631-809d-bfa615b0a4ec
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/***************************************************************************
|
|
|
|
stack.h
|
|
|
|
Stack management
|
|
|
|
(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
|
|
|
|
This program 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 1, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
***************************************************************************/
|
|
|
|
#ifndef __GBX_STACK_H
|
|
#define __GBX_STACK_H
|
|
|
|
#include "gbx_value.h"
|
|
#include "gb_pcode.h"
|
|
|
|
|
|
typedef
|
|
struct _stack_context {
|
|
struct _stack_context *next;
|
|
VALUE *bp; /* local variables */
|
|
VALUE *pp; /* local parameters */
|
|
CLASS *cp; /* current class */
|
|
char *op; /* current object */
|
|
VALUE *ep; /* error pointer */
|
|
FUNCTION *fp; /* current function */
|
|
PCODE *pc; /* instruction */
|
|
PCODE *ec; /* instruction if error */
|
|
PCODE *et; /* TRY save */
|
|
PCODE *tc; /* Last break in the function */
|
|
VALUE *tp; /* Stack at the last break in the function */
|
|
}
|
|
PACKED STACK_CONTEXT;
|
|
|
|
#ifndef __GBX_STACK_C
|
|
|
|
EXTERN char *STACK_base;
|
|
EXTERN size_t STACK_size;
|
|
EXTERN char *STACK_limit;
|
|
|
|
EXTERN int STACK_frame_count;
|
|
EXTERN STACK_CONTEXT *STACK_frame;
|
|
|
|
#endif
|
|
|
|
void STACK_init(void);
|
|
void STACK_exit(void);
|
|
void STACK_check(int need);
|
|
|
|
void STACK_push_frame(STACK_CONTEXT *context);
|
|
void STACK_pop_frame(STACK_CONTEXT *context);
|
|
bool STACK_has_error_handler(void);
|
|
STACK_CONTEXT *STACK_get_frame(int frame);
|
|
ushort *STACK_get_previous_pc();
|
|
|
|
#define STACK_get_current() ((STACK_frame_count > 0) ? STACK_frame : NULL)
|
|
|
|
|
|
#endif /* */
|