From 55ac40f859ad8e28fe71a8801d49f4a4140e8aa3 Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Thu, 20 Jun 2024 13:43:33 -0300 Subject: Cleaning of llimits.h Several definitions that don't need to be "global" (that is, that concerns only specific parts of the code) moved out of llimits.h, to more appropriate places. --- llimits.h | 144 ++------------------------------------------------------------ 1 file changed, 4 insertions(+), 140 deletions(-) (limited to 'llimits.h') diff --git a/llimits.h b/llimits.h index 2adbd32e..2954d2ef 100644 --- a/llimits.h +++ b/llimits.h @@ -46,15 +46,11 @@ typedef signed char ls_byte; #define MAX_SIZET ((size_t)(~(size_t)0)) /* -** Maximum size for strings and userdata visible for Lua (should be -** representable in a lua_Integer) +** Maximum size for strings and userdata visible for Lua; should be +** representable as a lua_Integer and as a size_t. */ #define MAX_SIZE (sizeof(size_t) < sizeof(lua_Integer) ? MAX_SIZET \ - : (size_t)(LUA_MAXINTEGER)) - - -#define MAX_INT INT_MAX /* maximum value of an int */ - + : cast_sizet(LUA_MAXINTEGER)) /* ** floor of the log2 of the maximum signed value for integral type 't'. @@ -119,15 +115,6 @@ typedef LUAI_UACINT l_uacInt; #define lua_longassert(c) ((void)0) #endif -/* -** assertion for checking API calls -*/ -#if !defined(luai_apicheck) -#define luai_apicheck(l,e) ((void)l, lua_assert(e)) -#endif - -#define api_check(l,e,msg) luai_apicheck(l,(e) && msg) - /* macro to avoid warnings about unused variables */ #if !defined(UNUSED) @@ -196,8 +183,7 @@ typedef LUAI_UACINT l_uacInt; /* -** type for virtual-machine instructions; -** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h) +** An unsigned with (at least) 4 bytes */ #if LUAI_IS32INT typedef unsigned int l_uint32; @@ -205,107 +191,6 @@ typedef unsigned int l_uint32; typedef unsigned long l_uint32; #endif -typedef l_uint32 Instruction; - - - -/* -** Maximum length for short strings, that is, strings that are -** internalized. (Cannot be smaller than reserved words or tags for -** metamethods, as these strings must be internalized; -** #("function") = 8, #("__newindex") = 10.) -*/ -#if !defined(LUAI_MAXSHORTLEN) -#define LUAI_MAXSHORTLEN 40 -#endif - - -/* -** Initial size for the string table (must be power of 2). -** The Lua core alone registers ~50 strings (reserved words + -** metaevent keys + a few others). Libraries would typically add -** a few dozens more. -*/ -#if !defined(MINSTRTABSIZE) -#define MINSTRTABSIZE 128 -#endif - - -/* -** Size of cache for strings in the API. 'N' is the number of -** sets (better be a prime) and "M" is the size of each set (M == 1 -** makes a direct cache.) -*/ -#if !defined(STRCACHE_N) -#define STRCACHE_N 53 -#define STRCACHE_M 2 -#endif - - -/* minimum size for string buffer */ -#if !defined(LUA_MINBUFFER) -#define LUA_MINBUFFER 32 -#endif - - -/* -** Maximum depth for nested C calls, syntactical nested non-terminals, -** and other features implemented through recursion in C. (Value must -** fit in a 16-bit unsigned integer. It must also be compatible with -** the size of the C stack.) -*/ -#if !defined(LUAI_MAXCCALLS) -#define LUAI_MAXCCALLS 200 -#endif - - -/* -** macros that are executed whenever program enters the Lua core -** ('lua_lock') and leaves the core ('lua_unlock') -*/ -#if !defined(lua_lock) -#define lua_lock(L) ((void) 0) -#define lua_unlock(L) ((void) 0) -#endif - -/* -** macro executed during Lua functions at points where the -** function can yield. -*/ -#if !defined(luai_threadyield) -#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);} -#endif - - -/* -** these macros allow user-specific actions when a thread is -** created/deleted/resumed/yielded. -*/ -#if !defined(luai_userstateopen) -#define luai_userstateopen(L) ((void)L) -#endif - -#if !defined(luai_userstateclose) -#define luai_userstateclose(L) ((void)L) -#endif - -#if !defined(luai_userstatethread) -#define luai_userstatethread(L,L1) ((void)L) -#endif - -#if !defined(luai_userstatefree) -#define luai_userstatefree(L,L1) ((void)L) -#endif - -#if !defined(luai_userstateresume) -#define luai_userstateresume(L,n) ((void)L) -#endif - -#if !defined(luai_userstateyield) -#define luai_userstateyield(L,n) ((void)L) -#endif - - /* ** The luai_num* macros define the primitive operations over numbers. @@ -359,25 +244,4 @@ typedef l_uint32 Instruction; #endif - - - -/* -** macro to control inclusion of some hard tests on stack reallocation -*/ -#if !defined(HARDSTACKTESTS) -#define condmovestack(L,pre,pos) ((void)0) -#else -/* realloc stack keeping its size */ -#define condmovestack(L,pre,pos) \ - { int sz_ = stacksize(L); pre; luaD_reallocstack((L), sz_, 0); pos; } -#endif - -#if !defined(HARDMEMTESTS) -#define condchangemem(L,pre,pos) ((void)0) -#else -#define condchangemem(L,pre,pos) \ - { if (gcrunning(G(L))) { pre; luaC_fullgc(L, 0); pos; } } -#endif - #endif -- cgit v1.2.3-55-g6feb