diff options
Diffstat (limited to 'lib/lua/includes/llimits.h')
-rw-r--r-- | lib/lua/includes/llimits.h | 370 |
1 files changed, 185 insertions, 185 deletions
diff --git a/lib/lua/includes/llimits.h b/lib/lua/includes/llimits.h index 57fad83..0b4a084 100644 --- a/lib/lua/includes/llimits.h +++ b/lib/lua/includes/llimits.h @@ -1,185 +1,185 @@ -/* -** $Id: llimits.h,v 1.2 2003-12-11 16:53:29 pixel Exp $ -** Limits, basic types, and some other `installation-dependent' definitions -** See Copyright Notice in lua.h -*/ - -#ifndef llimits_h -#define llimits_h - - -#include <limits.h> -#include <stddef.h> - - -#include "lua.h" - - -/* -** try to find number of bits in an integer -*/ -#ifndef BITS_INT -/* avoid overflows in comparison */ -#if INT_MAX-20 < 32760 -#define BITS_INT 16 -#else -#if INT_MAX > 2147483640L -/* machine has at least 32 bits */ -#define BITS_INT 32 -#else -#error "you must define BITS_INT with number of bits in an integer" -#endif -#endif -#endif - - -/* -** the following types define integer types for values that may not -** fit in a `small int' (16 bits), but may waste space in a -** `large long' (64 bits). The current definitions should work in -** any machine, but may not be optimal. -*/ - -/* an unsigned integer to hold hash values */ -typedef unsigned int lu_hash; -/* its signed equivalent */ -typedef int ls_hash; - -/* an unsigned integer big enough to count the total memory used by Lua; */ -/* it should be at least as large as size_t */ -typedef unsigned long lu_mem; - -#define MAX_LUMEM ULONG_MAX - - -/* an integer big enough to count the number of strings in use */ -typedef long ls_nstr; - -/* chars used as small naturals (so that `char' is reserved for characters) */ -typedef unsigned char lu_byte; - - -#define MAX_SIZET ((size_t)(~(size_t)0)-2) - - -#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */ - -/* -** conversion of pointer to integer -** this is for hashing only; there is no problem if the integer -** cannot hold the whole pointer value -*/ -#define IntPoint(p) ((lu_hash)(p)) - - - -/* type to ensure maximum alignment */ -#ifndef LUSER_ALIGNMENT_T -typedef union { double u; void *s; long l; } L_Umaxalign; -#else -typedef LUSER_ALIGNMENT_T L_Umaxalign; -#endif - - -/* result of `usual argument conversion' over lua_Number */ -#ifndef LUA_UACNUMBER -typedef double l_uacNumber; -#else -typedef LUA_UACNUMBER l_uacNumber; -#endif - - -#ifndef lua_assert -#define lua_assert(c) /* empty */ -#endif - - -#ifndef check_exp -#define check_exp(c,e) (e) -#endif - - -#ifndef UNUSED -#define UNUSED(x) ((void)(x)) /* to avoid warnings */ -#endif - - -#ifndef cast -#define cast(t, exp) ((t)(exp)) -#endif - - - -/* -** type for virtual-machine instructions -** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h) -*/ -typedef unsigned long Instruction; - - -/* maximum depth for calls (unsigned short) */ -#ifndef LUA_MAXCALLS -#define LUA_MAXCALLS 4096 -#endif - - -/* -** maximum depth for C calls (unsigned short): Not too big, or may -** overflow the C stack... -*/ - -#ifndef LUA_MAXCCALLS -#define LUA_MAXCCALLS 200 -#endif - - -/* maximum size for the C stack */ -#ifndef LUA_MAXCSTACK -#define LUA_MAXCSTACK 2048 -#endif - - -/* maximum stack for a Lua function */ -#define MAXSTACK 250 - - -/* maximum number of variables declared in a function */ -#ifndef MAXVARS -#define MAXVARS 200 /* arbitrary limit (<MAXSTACK) */ -#endif - - -/* maximum number of upvalues per function */ -#ifndef MAXUPVALUES -#define MAXUPVALUES 32 -#endif - - -/* maximum number of parameters in a function */ -#ifndef MAXPARAMS -#define MAXPARAMS 100 /* arbitrary limit (<MAXLOCALS) */ -#endif - - -/* minimum size for the string table (must be power of 2) */ -#ifndef MINSTRTABSIZE -#define MINSTRTABSIZE 32 -#endif - - -/* minimum size for string buffer */ -#ifndef LUA_MINBUFFER -#define LUA_MINBUFFER 32 -#endif - - -/* -** maximum number of syntactical nested non-terminals: Not too big, -** or may overflow the C stack... -*/ -#ifndef LUA_MAXPARSERLEVEL -#define LUA_MAXPARSERLEVEL 200 -#endif - - -#endif +/*
+** $Id: llimits.h,v 1.3 2004-11-27 21:43:50 pixel Exp $
+** Limits, basic types, and some other `installation-dependent' definitions
+** See Copyright Notice in lua.h
+*/
+
+#ifndef llimits_h
+#define llimits_h
+
+
+#include <limits.h>
+#include <stddef.h>
+
+
+#include "lua.h"
+
+
+/*
+** try to find number of bits in an integer
+*/
+#ifndef BITS_INT
+/* avoid overflows in comparison */
+#if INT_MAX-20 < 32760
+#define BITS_INT 16
+#else
+#if INT_MAX > 2147483640L
+/* machine has at least 32 bits */
+#define BITS_INT 32
+#else
+#error "you must define BITS_INT with number of bits in an integer"
+#endif
+#endif
+#endif
+
+
+/*
+** the following types define integer types for values that may not
+** fit in a `small int' (16 bits), but may waste space in a
+** `large long' (64 bits). The current definitions should work in
+** any machine, but may not be optimal.
+*/
+
+/* an unsigned integer to hold hash values */
+typedef unsigned int lu_hash;
+/* its signed equivalent */
+typedef int ls_hash;
+
+/* an unsigned integer big enough to count the total memory used by Lua; */
+/* it should be at least as large as size_t */
+typedef unsigned long lu_mem;
+
+#define MAX_LUMEM ULONG_MAX
+
+
+/* an integer big enough to count the number of strings in use */
+typedef long ls_nstr;
+
+/* chars used as small naturals (so that `char' is reserved for characters) */
+typedef unsigned char lu_byte;
+
+
+#define MAX_SIZET ((size_t)(~(size_t)0)-2)
+
+
+#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
+
+/*
+** conversion of pointer to integer
+** this is for hashing only; there is no problem if the integer
+** cannot hold the whole pointer value
+*/
+#define IntPoint(p) ((lu_hash)(p))
+
+
+
+/* type to ensure maximum alignment */
+#ifndef LUSER_ALIGNMENT_T
+typedef union { double u; void *s; long l; } L_Umaxalign;
+#else
+typedef LUSER_ALIGNMENT_T L_Umaxalign;
+#endif
+
+
+/* result of `usual argument conversion' over lua_Number */
+#ifndef LUA_UACNUMBER
+typedef double l_uacNumber;
+#else
+typedef LUA_UACNUMBER l_uacNumber;
+#endif
+
+
+#ifndef lua_assert
+#define lua_assert(c) /* empty */
+#endif
+
+
+#ifndef check_exp
+#define check_exp(c,e) (e)
+#endif
+
+
+#ifndef UNUSED
+#define UNUSED(x) ((void)(x)) /* to avoid warnings */
+#endif
+
+
+#ifndef cast
+#define cast(t, exp) ((t)(exp))
+#endif
+
+
+
+/*
+** type for virtual-machine instructions
+** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
+*/
+typedef unsigned long Instruction;
+
+
+/* maximum depth for calls (unsigned short) */
+#ifndef LUA_MAXCALLS
+#define LUA_MAXCALLS 4096
+#endif
+
+
+/*
+** maximum depth for C calls (unsigned short): Not too big, or may
+** overflow the C stack...
+*/
+
+#ifndef LUA_MAXCCALLS
+#define LUA_MAXCCALLS 200
+#endif
+
+
+/* maximum size for the C stack */
+#ifndef LUA_MAXCSTACK
+#define LUA_MAXCSTACK 2048
+#endif
+
+
+/* maximum stack for a Lua function */
+#define MAXSTACK 250
+
+
+/* maximum number of variables declared in a function */
+#ifndef MAXVARS
+#define MAXVARS 200 /* arbitrary limit (<MAXSTACK) */
+#endif
+
+
+/* maximum number of upvalues per function */
+#ifndef MAXUPVALUES
+#define MAXUPVALUES 32
+#endif
+
+
+/* maximum number of parameters in a function */
+#ifndef MAXPARAMS
+#define MAXPARAMS 100 /* arbitrary limit (<MAXLOCALS) */
+#endif
+
+
+/* minimum size for the string table (must be power of 2) */
+#ifndef MINSTRTABSIZE
+#define MINSTRTABSIZE 32
+#endif
+
+
+/* minimum size for string buffer */
+#ifndef LUA_MINBUFFER
+#define LUA_MINBUFFER 32
+#endif
+
+
+/*
+** maximum number of syntactical nested non-terminals: Not too big,
+** or may overflow the C stack...
+*/
+#ifndef LUA_MAXPARSERLEVEL
+#define LUA_MAXPARSERLEVEL 200
+#endif
+
+
+#endif
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