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added comments to '#else' and '#endif' in long conditionals

This commit is contained in:
Roberto Ierusalimschy 2010-05-12 11:17:36 -03:00
parent e924a7f9ea
commit f5b7f077ec
1 changed files with 14 additions and 13 deletions
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27
luaconf.h
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@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.135 2010/03/26 20:58:11 roberto Exp roberto $
** $Id: luaconf.h,v 1.136 2010/05/10 16:38:58 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -89,7 +89,7 @@
#define LUA_CPATH_DEFAULT \
LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll;" ".\\?.dll"
#else
#else /* _WIN32 */
#define LUA_ROOT "/usr/local/"
#define LUA_LDIR LUA_ROOT "share/lua/5.2/"
#define LUA_CDIR LUA_ROOT "lib/lua/5.2/"
@ -98,7 +98,7 @@
LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" "./?.lua"
#define LUA_CPATH_DEFAULT \
LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"
#endif
#endif /* _WIN32 */
/*
@ -130,11 +130,12 @@
#define LUA_API __declspec(dllimport)
#endif
#else
#else /* LUA_BUILD_AS_DLL */
#define LUA_API extern
#endif
#endif /* LUA_BUILD_AS_DLL */
/* more often than not the libs go together with the core */
#define LUALIB_API LUA_API
@ -166,11 +167,11 @@
#define LUAI_DDEC LUAI_FUNC
#define LUAI_DDEF /* empty */
#else
#else /* luaall_c */
#define LUAI_FUNC extern
#define LUAI_DDEC extern
#define LUAI_DDEF /* empty */
#endif
#endif /* luaall_c */
@ -268,7 +269,7 @@
/* compatibility with previous wrong spelling */
#define luaL_typerror luaL_typeerror
#endif
#endif /* LUA_COMPAT_ALL */
/* }================================================================== */
@ -445,7 +446,7 @@
#define lua_number2uint(i,n) \
{__int64 l; __asm {__asm fld n __asm fistp l} i = (unsigned int)l;}
#else
#else /* _MSC_VER */
/* the next trick should work on any Pentium, but sometimes clashes
with a DirectX idiosyncrasy */
@ -455,16 +456,16 @@ union luai_Cast { double l_d; long l_l; };
#define lua_number2integer(i,n) lua_number2int(i, n)
#define lua_number2uint(i,n) lua_number2int(i, n)
#endif
#endif /* _MSC_VER */
#else
#else /* LUA_NUMBER_DOUBLE ... (Pentium) */
/* this option always works, but may be slow */
#define lua_number2int(i,n) ((i)=(int)(n))
#define lua_number2integer(i,n) ((i)=(LUA_INTEGER)(n))
#define lua_number2uint(i,n) ((i)=(unsigned LUA_INT32)(n))
#endif
#endif /* LUA_NUMBER_DOUBLE ... (Pentium) */
/* on several machines, coercion from unsigned to double is too slow,
@ -489,7 +490,7 @@ union luai_Cast { double l_d; long l_l; };
n = frexp(n, &e) * (lua_Number)(INT_MAX - DBL_MAX_EXP); \
lua_number2int(i, n); i += e; }
#endif
#endif /* ltable_c */
/* }================================================================== */