diff options
Diffstat (limited to 'llimits.h')
-rw-r--r-- | llimits.h | 92 |
1 files changed, 2 insertions, 90 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: llimits.h,v 1.56 2003/07/29 19:26:34 roberto Exp roberto $ | 2 | ** $Id: llimits.h,v 1.57 2003/12/01 16:33:30 roberto Exp roberto $ |
3 | ** Limits, basic types, and some other `installation-dependent' definitions | 3 | ** Limits, basic types, and some other `installation-dependent' definitions |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -15,48 +15,9 @@ | |||
15 | #include "lua.h" | 15 | #include "lua.h" |
16 | 16 | ||
17 | 17 | ||
18 | /* | ||
19 | ** try to find number of bits in an integer | ||
20 | */ | ||
21 | #ifndef BITS_INT | ||
22 | /* avoid overflows in comparison */ | ||
23 | #if INT_MAX-20 < 32760 | ||
24 | #define BITS_INT 16 | ||
25 | #elif INT_MAX > 2147483640L | ||
26 | /* machine has at least 32 bits */ | ||
27 | #define BITS_INT 32 | ||
28 | #else | ||
29 | #error "you must define BITS_INT with number of bits in an integer" | ||
30 | #endif | ||
31 | #endif | ||
32 | |||
33 | |||
34 | /* | ||
35 | ** the following types define integer types for values that may not | ||
36 | ** fit in a `small int' (16 bits), but may waste space in a | ||
37 | ** `large long' (64 bits). The current definitions should work in | ||
38 | ** any machine, but may not be optimal. | ||
39 | */ | ||
40 | |||
41 | |||
42 | /* | ||
43 | ** an unsigned integer with at least 32 bits | ||
44 | */ | ||
45 | #ifndef LUA_UINT32 | ||
46 | #define LUA_UINT32 unsigned long | ||
47 | #endif | ||
48 | 18 | ||
49 | typedef LUA_UINT32 lu_int32; | 19 | typedef LUA_UINT32 lu_int32; |
50 | 20 | ||
51 | |||
52 | /* | ||
53 | ** a signed integer with at least 32 bits | ||
54 | */ | ||
55 | #ifndef LUA_INT32 | ||
56 | #define LUA_INT32 long | ||
57 | #define LUA_MAXINT32 LONG_MAX | ||
58 | #endif | ||
59 | |||
60 | typedef LUA_INT32 l_int32; | 21 | typedef LUA_INT32 l_int32; |
61 | 22 | ||
62 | 23 | ||
@@ -95,19 +56,11 @@ typedef unsigned char lu_byte; | |||
95 | 56 | ||
96 | 57 | ||
97 | /* type to ensure maximum alignment */ | 58 | /* type to ensure maximum alignment */ |
98 | #ifndef LUSER_ALIGNMENT_T | ||
99 | typedef union { double u; void *s; long l; } L_Umaxalign; | ||
100 | #else | ||
101 | typedef LUSER_ALIGNMENT_T L_Umaxalign; | 59 | typedef LUSER_ALIGNMENT_T L_Umaxalign; |
102 | #endif | ||
103 | 60 | ||
104 | 61 | ||
105 | /* result of `usual argument conversion' over lua_Number */ | 62 | /* result of a `usual argument conversion' over lua_Number */ |
106 | #ifndef LUA_UACNUMBER | ||
107 | typedef double l_uacNumber; | ||
108 | #else | ||
109 | typedef LUA_UACNUMBER l_uacNumber; | 63 | typedef LUA_UACNUMBER l_uacNumber; |
110 | #endif | ||
111 | 64 | ||
112 | 65 | ||
113 | #ifndef lua_assert | 66 | #ifndef lua_assert |
@@ -138,43 +91,11 @@ typedef LUA_UACNUMBER l_uacNumber; | |||
138 | typedef lu_int32 Instruction; | 91 | typedef lu_int32 Instruction; |
139 | 92 | ||
140 | 93 | ||
141 | /* maximum depth for calls (unsigned short) */ | ||
142 | #ifndef LUA_MAXCALLS | ||
143 | #define LUA_MAXCALLS 4096 | ||
144 | #endif | ||
145 | |||
146 | |||
147 | /* | ||
148 | ** maximum depth for C calls (unsigned short): Not too big, or may | ||
149 | ** overflow the C stack... | ||
150 | */ | ||
151 | |||
152 | #ifndef LUA_MAXCCALLS | ||
153 | #define LUA_MAXCCALLS 200 | ||
154 | #endif | ||
155 | |||
156 | |||
157 | /* maximum size for the virtual stack of a C function */ | ||
158 | #ifndef LUA_MAXCSTACK | ||
159 | #define LUA_MAXCSTACK 2048 | ||
160 | #endif | ||
161 | |||
162 | 94 | ||
163 | /* maximum stack for a Lua function */ | 95 | /* maximum stack for a Lua function */ |
164 | #define MAXSTACK 250 | 96 | #define MAXSTACK 250 |
165 | 97 | ||
166 | 98 | ||
167 | /* maximum number of variables declared in a function */ | ||
168 | #ifndef MAXVARS | ||
169 | #define MAXVARS 200 /* <MAXSTACK */ | ||
170 | #endif | ||
171 | |||
172 | |||
173 | /* maximum number of upvalues per function */ | ||
174 | #ifndef MAXUPVALUES | ||
175 | #define MAXUPVALUES 32 /* <MAXSTACK */ | ||
176 | #endif | ||
177 | |||
178 | 99 | ||
179 | /* minimum size for the string table (must be power of 2) */ | 100 | /* minimum size for the string table (must be power of 2) */ |
180 | #ifndef MINSTRTABSIZE | 101 | #ifndef MINSTRTABSIZE |
@@ -188,13 +109,4 @@ typedef lu_int32 Instruction; | |||
188 | #endif | 109 | #endif |
189 | 110 | ||
190 | 111 | ||
191 | /* | ||
192 | ** maximum number of syntactical nested non-terminals: Not too big, | ||
193 | ** or may overflow the C stack... | ||
194 | */ | ||
195 | #ifndef LUA_MAXPARSERLEVEL | ||
196 | #define LUA_MAXPARSERLEVEL 200 | ||
197 | #endif | ||
198 | |||
199 | |||
200 | #endif | 112 | #endif |