Lua - Revision history

Phaneron at 17:53, 3 May 2026

2026-05-03T17:53:36Z

← Older revision		Revision as of 17:53, 3 May 2026
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	</pre>		</pre>

	Optionally, function performance can be profiled by turning on a flag (which is governed by the <code>scriptProfile</code> CVar. You can read the results of the function profiler with:		Optionally, function performance can be profiled by turning on a flag (which is governed by the <code>scriptProfile</code> CVar).

			You can read the results of the function profiler with:

	<pre>		<pre>

2026-05-03T17:43:18Z

← Older revision		Revision as of 17:43, 3 May 2026
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	</pre>		</pre>

	Optionally, function performance can be profiled by turning on a flag. You can read the results of the function profiler with:		Optionally, function performance can be profiled by turning on a flag (which is governed by the <code>scriptProfile</code> CVar. You can read the results of the function profiler with:

	<pre>		<pre>

2026-05-03T17:41:58Z

← Older revision		Revision as of 17:41, 3 May 2026
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	Because each variable is taint-tagged by whichever AddOn generated it, WoW Lua is able to compute the memory usage of any particular AddOn.		Because each variable is taint-tagged by whichever AddOn generated it, WoW Lua is able to compute the memory usage of any particular AddOn.

	<~~code~~>		<pre>
	void lua_gcupdatesizes(lua_State* L);		void lua_gcupdatesizes(lua_State* L);

	lu_mem lua_gcgetsize(lua_State* L, const char* tag);		lu_mem lua_gcgetsize(lua_State* L, const char* tag);
	</~~code~~>		</pre>

	Optionally, function performance can be profiled by turning on a flag. You can read the results of the function profiler with:		Optionally, function performance can be profiled by turning on a flag. You can read the results of the function profiler with:

	<~~code~~>		<pre>
	void lua_gcupdatetimes(lua_State* L);		void lua_gcupdatetimes(lua_State* L);

	lua_Number lua_gcgettime(lua_State* L, const char* tag);		lua_Number lua_gcgettime(lua_State* L, const char* tag);

	void lua_gcgetfunctiontime(lua_State* L, lua_Number* flat, lua_Number* total, int32_t* ncalls);		void lua_gcgetfunctiontime(lua_State* L, lua_Number* flat, lua_Number* total, int32_t* ncalls);

	void lua_gcresettimes(lua_State* L);		void lua_gcresettimes(lua_State* L);
	</~~code~~>		</pre>

	=== Standard library ===		=== Standard library ===

2026-05-03T17:41:14Z

← Older revision		Revision as of 17:41, 3 May 2026
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	In WoW Lua, each variable contains a taint value, a string that identifies the AddOn from where the variable originated.		In WoW Lua, each variable contains a taint value, a string that identifies the AddOn from where the variable originated.

			=== Profiling ===

			Because each variable is taint-tagged by whichever AddOn generated it, WoW Lua is able to compute the memory usage of any particular AddOn.

			<code>
			void lua_gcupdatesizes(lua_State* L);

			lu_mem lua_gcgetsize(lua_State* L, const char* tag);
			</code>

			Optionally, function performance can be profiled by turning on a flag. You can read the results of the function profiler with:

			<code>
			void lua_gcupdatetimes(lua_State* L);

			lua_Number lua_gcgettime(lua_State* L, const char* tag);

			void lua_gcgetfunctiontime(lua_State* L, lua_Number* flat, lua_Number* total, int32_t* ncalls);

			void lua_gcresettimes(lua_State* L);
			</code>

	=== Standard library ===		=== Standard library ===

2026-05-03T17:21:37Z

← Older revision		Revision as of 17:21, 3 May 2026
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	{{Software		{{Software
	\|name = Lua		\|name = Lua
			\|image = Lua-Logo.svg.png
	\|type = Library		\|type = Library
	\|authors = Roberto Ierusalimschy		\|authors = Roberto Ierusalimschy

2026-05-03T17:20:29Z

← Older revision		Revision as of 17:20, 3 May 2026
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	* <code>getfenv()</code> - Implementation adds this code to end of function: <code>luaL_getmetafield(L, -1, "__environment");</code>		* <code>getfenv()</code> - Implementation adds this code to end of function: <code>luaL_getmetafield(L, -1, "__environment");</code>

			* <code>string.upper()</code>, <code>string.lower()</code> - These were modified to support UTF-8 strings. Unlike stock Lua, they are able to convert special characters including Latin-1 and Cyrillic.

	These standard library functions were added by Blizzard:		These standard library functions were added by Blizzard:

2026-04-29T06:09:39Z

← Older revision		Revision as of 06:09, 29 April 2026
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	* <code>math.randomseed()</code>		* <code>math.randomseed()</code>

			* <code>string.sub()</code>

	These existing standard library functions were modified:		These existing standard library functions were modified:

2026-04-29T05:48:35Z

← Older revision		Revision as of 05:48, 29 April 2026
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	* <code>print()</code> - Removed to prevent Lua from touching stdout. This is replaced by a function that prints output to the ingame chat.		* <code>print()</code> - Removed to prevent Lua from touching stdout. This is replaced by a function that prints output to the ingame chat.

			* <code>math.randomseed()</code>

	These existing standard library functions were modified:		These existing standard library functions were modified:

2026-04-29T04:17:28Z

← Older revision		Revision as of 04:17, 29 April 2026
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	These existing standard library functions were modified:		These existing standard library functions were modified:

	* <code>getfenv()</code> - <code>__environment</code>		* <code>getfenv()</code> - Implementation adds this code to end of function: <code>luaL_getmetafield(L, -1, "__environment");</code>

	These standard library functions were added by Blizzard:		These standard library functions were added by Blizzard:

2026-04-29T04:14:00Z

← Older revision		Revision as of 04:14, 29 April 2026
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	These existing standard library functions were modified:		These existing standard library functions were modified:

	* <code>getfenv()<code> - <code>__environment</code>		* <code>getfenv()</code> - <code>__environment</code>

	These standard library functions were added by Blizzard:		These standard library functions were added by Blizzard: