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CryScriptSystem/LUA/llimits.h

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+/*
+** $Id: llimits.h,v 1.30 2001/06/05 20:01:09 roberto 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 */
+typedef unsigned int lu_mem;
+
+/* an integer big enough to count the number of strings in use */
+typedef int ls_nstr;
+
+
+/* chars used as small naturals (so that `char' is reserved for characteres) */
+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
+** (the shift removes bits that are usually 0 because of alignment)
+*/
+#define IntPoint(p)  ((((lu_hash)(p)) >> 4) ^ (lu_hash)(p))
+
+
+
+#define MINPOWER2       4       /* minimum size for `growing' vectors */
+
+
+
+#ifndef DEFAULT_STACK_SIZE
+#define DEFAULT_STACK_SIZE      1024
+#endif
+
+
+
+/* type to ensure maximum alignment */
+#ifndef LUSER_ALIGNMENT_T
+#define LUSER_ALIGNMENT_T	double
+#endif
+union L_Umaxalign { LUSER_ALIGNMENT_T u; void *s; long l; };
+
+
+
+/*
+** type for virtual-machine instructions
+** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
+*/
+#ifdef PS2
+typedef unsigned int Instruction;
+#else
+typedef unsigned long Instruction;
+#endif
+
+/* maximum stack for a Lua function */
+#define MAXSTACK	250
+
+
+/* maximum number of local variables */
+#ifndef MAXLOCALS
+#define MAXLOCALS 200           /* arbitrary limit (<MAXSTACK) */
+#endif
+
+
+/* maximum number of upvalues */
+#ifndef MAXUPVALUES
+#define MAXUPVALUES 32          /* arbitrary limit (<MAXSTACK) */
+#endif
+
+
+/* maximum number of parameters in a function */
+#ifndef MAXPARAMS
+#define MAXPARAMS 100           /* arbitrary limit (<MAXLOCALS) */
+#endif
+
+
+/* number of list items to accumulate before a SETLIST instruction */
+/* (must be a power of 2) */
+#define LFIELDS_PER_FLUSH	64
+
+
+
+/* maximum lookback to find a real constant (for code generation) */
+#ifndef LOOKBACKNUMS
+#define LOOKBACKNUMS    40      /* arbitrary constant */
+#endif
+
+
+#endif