From 34b00c16e28c2bbc3e633b4007de956130905ed6 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 27 Feb 2018 15:47:32 -0300
Subject: removed compatibility code with older versions

---
 luaconf.h | 80 ++++-----------------------------------------------------------
 1 file changed, 5 insertions(+), 75 deletions(-)

(limited to 'luaconf.h')

diff --git a/luaconf.h b/luaconf.h
index 5ed062e2..e600bbf1 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -1,5 +1,5 @@
 /*
-** $Id: luaconf.h,v 1.263 2017/12/30 20:46:18 roberto Exp roberto $
+** $Id: luaconf.h,v 1.264 2018/02/20 20:52:50 roberto Exp roberto $
 ** Configuration file for Lua
 ** See Copyright Notice in lua.h
 */
@@ -295,29 +295,20 @@
 */
 
 /*
-@@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.
-@@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.
+@@ LUA_COMPAT_5_3 controls other macros for compatibility with Lua 5.2.
 ** You can define it to get all options, or change specific options
 ** to fit your specific needs.
 */
-#if defined(LUA_COMPAT_5_2)	/* { */
+#if defined(LUA_COMPAT_5_3)	/* { */
 
 /*
 @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated
 ** functions in the mathematical library.
+** (These functions were already officially removed in 5.3, but
+** nevertheless they are available by default there.)
 */
 #define LUA_COMPAT_MATHLIB
 
-/*
-@@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
-*/
-#define LUA_COMPAT_BITLIB
-
-/*
-@@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
-*/
-#define LUA_COMPAT_IPAIRS
-
 /*
 @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
 ** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
@@ -328,50 +319,6 @@
 #endif				/* } */
 
 
-#if defined(LUA_COMPAT_5_1)	/* { */
-
-/* Incompatibilities from 5.2 -> 5.3 */
-#define LUA_COMPAT_MATHLIB
-#define LUA_COMPAT_APIINTCASTS
-
-/*
-@@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
-** You can replace it with 'table.unpack'.
-*/
-#define LUA_COMPAT_UNPACK
-
-/*
-@@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.
-** You can replace it with 'package.searchers'.
-*/
-#define LUA_COMPAT_LOADERS
-
-/*
-@@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.
-** You can call your C function directly (with light C functions).
-*/
-#define lua_cpcall(L,f,u)  \
-	(lua_pushcfunction(L, (f)), \
-	 lua_pushlightuserdata(L,(u)), \
-	 lua_pcall(L,1,0,0))
-
-
-/*
-@@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.
-** You can rewrite 'log10(x)' as 'log(x, 10)'.
-*/
-#define LUA_COMPAT_LOG10
-
-/*
-@@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base
-** library. You can rewrite 'loadstring(s)' as 'load(s)'.
-*/
-#define LUA_COMPAT_LOADSTRING
-
-/*
-@@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.
-*/
-#define LUA_COMPAT_MAXN
 
 /*
 @@ The following macros supply trivial compatibility for some
@@ -385,23 +332,6 @@
 #define lua_equal(L,idx1,idx2)		lua_compare(L,(idx1),(idx2),LUA_OPEQ)
 #define lua_lessthan(L,idx1,idx2)	lua_compare(L,(idx1),(idx2),LUA_OPLT)
 
-/*
-@@ LUA_COMPAT_MODULE controls compatibility with previous
-** module functions 'module' (Lua) and 'luaL_register' (C).
-*/
-#define LUA_COMPAT_MODULE
-
-#endif				/* } */
-
-
-/*
-@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
-@@ a float mark ('.0').
-** This macro is not on by default even in compatibility mode,
-** because this is not really an incompatibility.
-*/
-/* #define LUA_COMPAT_FLOATSTRING */
-
 /* }================================================================== */
 
 
-- 
cgit v1.2.3-55-g6feb