]>
Commit | Line | Data |
---|---|---|
1e59de90 TL |
1 | /* |
2 | ** $Id: lcode.h $ | |
3 | ** Code generator for Lua | |
4 | ** See Copyright Notice in lua.h | |
5 | */ | |
6 | ||
7 | #ifndef lcode_h | |
8 | #define lcode_h | |
9 | ||
10 | #include "llex.h" | |
11 | #include "lobject.h" | |
12 | #include "lopcodes.h" | |
13 | #include "lparser.h" | |
14 | ||
15 | ||
16 | /* | |
17 | ** Marks the end of a patch list. It is an invalid value both as an absolute | |
18 | ** address, and as a list link (would link an element to itself). | |
19 | */ | |
20 | #define NO_JUMP (-1) | |
21 | ||
22 | ||
23 | /* | |
24 | ** grep "ORDER OPR" if you change these enums (ORDER OP) | |
25 | */ | |
26 | typedef enum BinOpr { | |
27 | /* arithmetic operators */ | |
28 | OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW, | |
29 | OPR_DIV, OPR_IDIV, | |
30 | /* bitwise operators */ | |
31 | OPR_BAND, OPR_BOR, OPR_BXOR, | |
32 | OPR_SHL, OPR_SHR, | |
33 | /* string operator */ | |
34 | OPR_CONCAT, | |
35 | /* comparison operators */ | |
36 | OPR_EQ, OPR_LT, OPR_LE, | |
37 | OPR_NE, OPR_GT, OPR_GE, | |
38 | /* logical operators */ | |
39 | OPR_AND, OPR_OR, | |
40 | OPR_NOBINOPR | |
41 | } BinOpr; | |
42 | ||
43 | ||
44 | /* true if operation is foldable (that is, it is arithmetic or bitwise) */ | |
45 | #define foldbinop(op) ((op) <= OPR_SHR) | |
46 | ||
47 | ||
48 | #define luaK_codeABC(fs,o,a,b,c) luaK_codeABCk(fs,o,a,b,c,0) | |
49 | ||
50 | ||
51 | typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; | |
52 | ||
53 | ||
54 | /* get (pointer to) instruction of given 'expdesc' */ | |
55 | #define getinstruction(fs,e) ((fs)->f->code[(e)->u.info]) | |
56 | ||
57 | ||
58 | #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) | |
59 | ||
60 | #define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t) | |
61 | ||
62 | LUAI_FUNC int luaK_code (FuncState *fs, Instruction i); | |
63 | LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); | |
64 | LUAI_FUNC int luaK_codeAsBx (FuncState *fs, OpCode o, int A, int Bx); | |
65 | LUAI_FUNC int luaK_codeABCk (FuncState *fs, OpCode o, int A, | |
66 | int B, int C, int k); | |
67 | LUAI_FUNC int luaK_isKint (expdesc *e); | |
68 | LUAI_FUNC int luaK_exp2const (FuncState *fs, const expdesc *e, TValue *v); | |
69 | LUAI_FUNC void luaK_fixline (FuncState *fs, int line); | |
70 | LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); | |
71 | LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); | |
72 | LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); | |
73 | LUAI_FUNC void luaK_int (FuncState *fs, int reg, lua_Integer n); | |
74 | LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); | |
75 | LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); | |
76 | LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); | |
77 | LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); | |
78 | LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); | |
79 | LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); | |
80 | LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); | |
81 | LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); | |
82 | LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); | |
83 | LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); | |
84 | LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); | |
85 | LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); | |
86 | LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); | |
87 | LUAI_FUNC int luaK_jump (FuncState *fs); | |
88 | LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); | |
89 | LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); | |
90 | LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); | |
91 | LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); | |
92 | LUAI_FUNC int luaK_getlabel (FuncState *fs); | |
93 | LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); | |
94 | LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); | |
95 | LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, | |
96 | expdesc *v2, int line); | |
97 | LUAI_FUNC void luaK_settablesize (FuncState *fs, int pc, | |
98 | int ra, int asize, int hsize); | |
99 | LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); | |
100 | LUAI_FUNC void luaK_finish (FuncState *fs); | |
101 | LUAI_FUNC l_noret luaK_semerror (LexState *ls, const char *msg); | |
102 | ||
103 | ||
104 | #endif |