diff options
Diffstat (limited to 'libs/lua/src/llimits.h')
-rw-r--r-- | libs/lua/src/llimits.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libs/lua/src/llimits.h b/libs/lua/src/llimits.h new file mode 100644 index 0000000..ca8dcb7 --- /dev/null +++ b/libs/lua/src/llimits.h | |||
@@ -0,0 +1,128 @@ | |||
1 | /* | ||
2 | ** $Id: llimits.h,v 1.69.1.1 2007/12/27 13:02:25 roberto Exp $ | ||
3 | ** Limits, basic types, and some other `installation-dependent' definitions | ||
4 | ** See Copyright Notice in lua.h | ||
5 | */ | ||
6 | |||
7 | #ifndef llimits_h | ||
8 | #define llimits_h | ||
9 | |||
10 | |||
11 | #include <limits.h> | ||
12 | #include <stddef.h> | ||
13 | |||
14 | |||
15 | #include "lua.h" | ||
16 | |||
17 | |||
18 | typedef LUAI_UINT32 lu_int32; | ||
19 | |||
20 | typedef LUAI_UMEM lu_mem; | ||
21 | |||
22 | typedef LUAI_MEM l_mem; | ||
23 | |||
24 | |||
25 | |||
26 | /* chars used as small naturals (so that `char' is reserved for characters) */ | ||
27 | typedef unsigned char lu_byte; | ||
28 | |||
29 | |||
30 | #define MAX_SIZET ((size_t)(~(size_t)0)-2) | ||
31 | |||
32 | #define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2) | ||
33 | |||
34 | |||
35 | #define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */ | ||
36 | |||
37 | /* | ||
38 | ** conversion of pointer to integer | ||
39 | ** this is for hashing only; there is no problem if the integer | ||
40 | ** cannot hold the whole pointer value | ||
41 | */ | ||
42 | #define IntPoint(p) ((unsigned int)(lu_mem)(p)) | ||
43 | |||
44 | |||
45 | |||
46 | /* type to ensure maximum alignment */ | ||
47 | typedef LUAI_USER_ALIGNMENT_T L_Umaxalign; | ||
48 | |||
49 | |||
50 | /* result of a `usual argument conversion' over lua_Number */ | ||
51 | typedef LUAI_UACNUMBER l_uacNumber; | ||
52 | |||
53 | |||
54 | /* internal assertions for in-house debugging */ | ||
55 | #ifdef lua_assert | ||
56 | |||
57 | #define check_exp(c,e) (lua_assert(c), (e)) | ||
58 | #define api_check(l,e) lua_assert(e) | ||
59 | |||
60 | #else | ||
61 | |||
62 | #define lua_assert(c) ((void)0) | ||
63 | #define check_exp(c,e) (e) | ||
64 | #define api_check luai_apicheck | ||
65 | |||
66 | #endif | ||
67 | |||
68 | |||
69 | #ifndef UNUSED | ||
70 | #define UNUSED(x) ((void)(x)) /* to avoid warnings */ | ||
71 | #endif | ||
72 | |||
73 | |||
74 | #ifndef cast | ||
75 | #define cast(t, exp) ((t)(exp)) | ||
76 | #endif | ||
77 | |||
78 | #define cast_byte(i) cast(lu_byte, (i)) | ||
79 | #define cast_num(i) cast(lua_Number, (i)) | ||
80 | #define cast_int(i) cast(int, (i)) | ||
81 | |||
82 | |||
83 | |||
84 | /* | ||
85 | ** type for virtual-machine instructions | ||
86 | ** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h) | ||
87 | */ | ||
88 | typedef lu_int32 Instruction; | ||
89 | |||
90 | |||
91 | |||
92 | /* maximum stack for a Lua function */ | ||
93 | #define MAXSTACK 250 | ||
94 | |||
95 | |||
96 | |||
97 | /* minimum size for the string table (must be power of 2) */ | ||
98 | #ifndef MINSTRTABSIZE | ||
99 | #define MINSTRTABSIZE 32 | ||
100 | #endif | ||
101 | |||
102 | |||
103 | /* minimum size for string buffer */ | ||
104 | #ifndef LUA_MINBUFFER | ||
105 | #define LUA_MINBUFFER 32 | ||
106 | #endif | ||
107 | |||
108 | |||
109 | #ifndef lua_lock | ||
110 | #define lua_lock(L) ((void) 0) | ||
111 | #define lua_unlock(L) ((void) 0) | ||
112 | #endif | ||
113 | |||
114 | #ifndef luai_threadyield | ||
115 | #define luai_threadyield(L) {lua_unlock(L); lua_lock(L);} | ||
116 | #endif | ||
117 | |||
118 | |||
119 | /* | ||
120 | ** macro to control inclusion of some hard tests on stack reallocation | ||
121 | */ | ||
122 | #ifndef HARDSTACKTESTS | ||
123 | #define condhardstacktests(x) ((void)0) | ||
124 | #else | ||
125 | #define condhardstacktests(x) x | ||
126 | #endif | ||
127 | |||
128 | #endif | ||