| |
|
| #include <stdio.h> |
#include <stdio.h> |
| |
|
| |
typedef long Cell; |
| #ifdef __GNUC__ |
#ifdef __GNUC__ |
| typedef void *Label; |
typedef void *Label; |
| typedef void *Inst; /* for direct threading, the same as Label */ |
typedef Label Inst; /* we could "typedef Cell Inst", removing the need |
| |
for casts in a few places, but requiring a few |
| |
casts etc. in other places */ |
| #else |
#else |
| typedef long Label; |
typedef long Label; |
| typedef long Inst; |
typedef long Inst; |
| #endif |
#endif |
| typedef long Cell; |
|
| |
|
| extern Inst *vm_prim; |
extern Inst *vm_prim; |
| extern int locals; |
extern int locals; |
| #define vm_target2Cell(x,_cell) ((_cell)=(Cell)(x)) |
#define vm_target2Cell(x,_cell) ((_cell)=(Cell)(x)) |
| #define vm_a2Cell(x,_cell) ((_cell)=(Cell)(x)) |
#define vm_a2Cell(x,_cell) ((_cell)=(Cell)(x)) |
| #define vm_Cell2Cell(_x,_y) ((_y)=(Cell)(_x)) |
#define vm_Cell2Cell(_x,_y) ((_y)=(Cell)(_x)) |
| |
/* the cast in vm_Cell2Cell is needed because the base type for |
| |
inst-stream is Cell, but *IP is an Inst */ |
| |
|
| #define VM_IS_INST(inst, n) ((inst) == vm_prim[n]) |
#define VM_IS_INST(inst, n) ((inst) == vm_prim[n]) |
| |
|
