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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
** TeCGraf - PUC-Rio
** $Id: opcode.h,v 3.14 1995/10/25 13:05:51 roberto Exp $
*/
#ifndef opcode_h
#define opcode_h
#include "lua.h"
#include "types.h"
#include "tree.h"
#include "func.h"
#ifndef real
#define real float
#endif
#define FIELDS_PER_FLUSH 40
typedef enum
{
PUSHNIL,
PUSH0, PUSH1, PUSH2,
PUSHBYTE,
PUSHWORD,
PUSHFLOAT,
PUSHSTRING,
PUSHFUNCTION,
PUSHLOCAL0, PUSHLOCAL1, PUSHLOCAL2, PUSHLOCAL3, PUSHLOCAL4,
PUSHLOCAL5, PUSHLOCAL6, PUSHLOCAL7, PUSHLOCAL8, PUSHLOCAL9,
PUSHLOCAL,
PUSHGLOBAL,
PUSHINDEXED,
PUSHSELF,
STORELOCAL0, STORELOCAL1, STORELOCAL2, STORELOCAL3, STORELOCAL4,
STORELOCAL5, STORELOCAL6, STORELOCAL7, STORELOCAL8, STORELOCAL9,
STORELOCAL,
STOREGLOBAL,
STOREINDEXED0,
STOREINDEXED,
STORELIST0,
STORELIST,
STORERECORD,
ADJUST0,
ADJUST,
CREATEARRAY,
EQOP,
LTOP,
LEOP,
GTOP,
GEOP,
ADDOP,
SUBOP,
MULTOP,
DIVOP,
POWOP,
CONCOP,
MINUSOP,
NOTOP,
ONTJMP,
ONFJMP,
JMP,
UPJMP,
IFFJMP,
IFFUPJMP,
POP,
CALLFUNC,
RETCODE0,
RETCODE,
SETLINE
} OpCode;
#define MULT_RET 255
typedef void (*Cfunction) (void);
typedef int (*Input) (void);
typedef union
{
Cfunction f;
real n;
TaggedString *ts;
TFunc *tf;
struct Hash *a;
void *u;
int i;
} Value;
typedef struct Object
{
lua_Type tag;
Value value;
} Object;
typedef struct
{
Object object;
} Symbol;
/* Macros to access structure members */
#define tag(o) ((o)->tag)
#define nvalue(o) ((o)->value.n)
#define svalue(o) ((o)->value.ts->str)
#define tsvalue(o) ((o)->value.ts)
#define avalue(o) ((o)->value.a)
#define fvalue(o) ((o)->value.f)
#define uvalue(o) ((o)->value.u)
/* Macros to access symbol table */
#define s_object(i) (lua_table[i].object)
#define s_tag(i) (tag(&s_object(i)))
#define s_nvalue(i) (nvalue(&s_object(i)))
#define s_svalue(i) (svalue(&s_object(i)))
#define s_avalue(i) (avalue(&s_object(i)))
#define s_fvalue(i) (fvalue(&s_object(i)))
#define s_uvalue(i) (uvalue(&s_object(i)))
typedef union
{
struct {char c1; char c2;} m;
Word w;
} CodeWord;
#define get_word(code,pc) {code.m.c1 = *pc++; code.m.c2 = *pc++;}
typedef union
{
struct {char c1; char c2; char c3; char c4;} m;
float f;
} CodeFloat;
#define get_float(code,pc) {code.m.c1 = *pc++; code.m.c2 = *pc++;\
code.m.c3 = *pc++; code.m.c4 = *pc++;}
typedef union
{
struct {char c1; char c2; char c3; char c4;} m;
TFunc *tf;
} CodeCode;
#define get_code(code,pc) {code.m.c1 = *pc++; code.m.c2 = *pc++;\
code.m.c3 = *pc++; code.m.c4 = *pc++;}
/* Exported functions */
char *lua_strdup (char *l);
void lua_setinput (Input fn); /* from "lex.c" module */
char *lua_lasttext (void); /* from "lex.c" module */
int yylex (void); /* from "lex.c" module */
void lua_parse (TFunc *tf); /* from "lua.stx" module */
void luaI_codedebugline (int line); /* from "lua.stx" module */
void lua_travstack (int (*fn)(Object *));
Object *luaI_Address (lua_Object o);
void luaI_pushobject (Object *o);
void luaI_gcFB (Object *o);
#endif
|
