1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#ifndef _vm_h
#define _vm_h
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
typedef struct _thread Thread;
#include "val.h"
#include "com.h"
typedef struct {
size_t ip;
Chunk *ch;
} StackFrame;
#define MAXDEPTH 64
#define STACKSIZE 256*MAXDEPTH
typedef struct _thread {
Chunk *ch;
size_t ip;
Val stack[STACKSIZE];
size_t sp;
StackFrame rstack[MAXDEPTH];
size_t rsp;
} Thread;
Thread thread_new(State *S);
typedef enum {
OP_RET,
OP_LOADK,
OP_PUTS,
OP_PRINT,
OP_ADD,
OP_SUB,
OP_MUL,
OP_DIV,
OP_MOD,
OP_EQU,
OP_CMP,
OP_HALT,
OP_DROP,
OP_GETGLOBAL,
OP_SETGLOBAL,
OP_GETLOCAL,
OP_TRUE,
OP_FALSE,
OP_NIL,
OP_0BRANCH,
OP_SKIP,
OP_REDO,
OP_CALL,
OP_ENDSCOPE,
} Op;
int runvm(State *S);
#endif
|
