mruby 3.3.0
mruby is the lightweight implementation of the Ruby language
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opcode.h
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1
7#ifndef MRUBY_OPCODE_H
8#define MRUBY_OPCODE_H
9
10enum mrb_insn {
11#define OPCODE(x,_) OP_ ## x,
12#include "mruby/ops.h"
13#undef OPCODE
14};
15
16#define OP_L_STRICT 1
17#define OP_L_CAPTURE 2
18#define OP_L_METHOD OP_L_STRICT
19#define OP_L_LAMBDA (OP_L_STRICT|OP_L_CAPTURE)
20#define OP_L_BLOCK OP_L_CAPTURE
21
22#define PEEK_B(pc) (*(pc))
23#define PEEK_S(pc) ((pc)[0]<<8|(pc)[1])
24#define PEEK_W(pc) ((pc)[0]<<16|(pc)[1]<<8|(pc)[2])
25
26#define READ_B() PEEK_B(pc++)
27#define READ_S() (pc+=2, PEEK_S(pc-2))
28#define READ_W() (pc+=3, PEEK_W(pc-3))
29
30#define FETCH_Z() /* nothing */
31#define FETCH_B() do {a=READ_B();} while (0)
32#define FETCH_BB() do {a=READ_B(); b=READ_B();} while (0)
33#define FETCH_BBB() do {a=READ_B(); b=READ_B(); c=READ_B();} while (0)
34#define FETCH_BS() do {a=READ_B(); b=READ_S();} while (0)
35#define FETCH_BSS() do {a=READ_B(); b=READ_S(); c=READ_S();} while (0)
36#define FETCH_S() do {a=READ_S();} while (0)
37#define FETCH_W() do {a=READ_W();} while (0)
38
39/* with OP_EXT1 (1st 16bit) */
40#define FETCH_Z_1() FETCH_Z()
41#define FETCH_B_1() FETCH_S()
42#define FETCH_BB_1() do {a=READ_S(); b=READ_B();} while (0)
43#define FETCH_BBB_1() do {a=READ_S(); b=READ_B(); c=READ_B();} while (0)
44#define FETCH_BS_1() do {a=READ_S(); b=READ_S();} while (0)
45#define FETCH_BSS_1() do {a=READ_S(); b=READ_S();c=READ_S();} while (0)
46#define FETCH_S_1() FETCH_S()
47#define FETCH_W_1() FETCH_W()
48
49/* with OP_EXT2 (2nd 16bit) */
50#define FETCH_Z_2() FETCH_Z()
51#define FETCH_B_2() FETCH_B()
52#define FETCH_BB_2() do {a=READ_B(); b=READ_S();} while (0)
53#define FETCH_BBB_2() do {a=READ_B(); b=READ_S(); c=READ_B();} while (0)
54#define FETCH_BS_2() FETCH_BS()
55#define FETCH_BSS_2() FETCH_BSS()
56#define FETCH_S_2() FETCH_S()
57#define FETCH_W_2() FETCH_W()
58
59/* with OP_EXT3 (1st & 2nd 16bit) */
60#define FETCH_Z_3() FETCH_Z()
61#define FETCH_B_3() FETCH_B()
62#define FETCH_BB_3() do {a=READ_S(); b=READ_S();} while (0)
63#define FETCH_BBB_3() do {a=READ_S(); b=READ_S(); c=READ_B();} while (0)
64#define FETCH_BS_3() do {a=READ_S(); b=READ_S();} while (0)
65#define FETCH_BSS_3() FETCH_BSS_1()
66#define FETCH_S_3() FETCH_S()
67#define FETCH_W_3() FETCH_W()
68
69#endif /* MRUBY_OPCODE_H */