Difference between revisions of "(global)"

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__NOTOC__
 
__NOTOC__
'''Supported platforms:''' android, ios, mac, pc<br/>
+
<!-- GIDEROSOBJ:(global) -->
 +
'''Supported platforms:''' [[File:Platform android.png]][[File:Platform ios.png]][[File:Platform mac.png]][[File:Platform pc.png]][[File:Platform linux.png]]<br/>
 
'''Available since:''' Gideros 2011.6<br/>
 
'''Available since:''' Gideros 2011.6<br/>
 +
 
=== Description ===
 
=== Description ===
<translate>Global scope of Lua environment</translate>
+
Global scope of Lua environment.
 +
 
 +
=== Example ===
 +
'''Prints all current global variables:'''
 +
<syntaxhighlight lang="lua">
 +
local function globalVariable()
 +
for k,v in pairs(_G) do
 +
print(k,v)
 +
end
 +
end
 +
 +
globalVariable()
 +
</syntaxhighlight>
 +
 
 +
=== Reference ===
 +
https://github.com/gideros/luau/blob/master/VM/src/lbaselib.cpp</br>
 +
https://create.roblox.com/docs/reference/engine/globals/LuaGlobals
 +
 
 
{|-
 
{|-
 
| style="width: 50%; vertical-align:top;"|
 
| style="width: 50%; vertical-align:top;"|
 
=== Methods ===
 
=== Methods ===
[[assert]] ''<translate>error if v nil or false, otherwise returns v</translate>''<br/>
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[[assert]] ''error if v nil or false, otherwise returns v''<br/><!--GIDEROSMTD:assert(v,message) error if v nil or false, otherwise returns v-->
[[collectgarbage]] ''<translate>opts: stop, restart, collect, count, step, setpause, setstepmul</translate>''<br/>
+
[[collectgarbage]] ''opts: stop, restart, collect, count, step, setpause, setstepmul''<br/><!--GIDEROSMTD:collectgarbage(opt,arg) opts: stop, restart, collect, count, step, setpause, setstepmul-->
[[dofile]] ''<translate>executes as Lua chunk, default stdin, returns value</translate>''<br/>
+
[[ColorValue]] ''sets a Color the r,g,b,a channel values''<br/><!--GIDEROSMTD:ColorValue(r,g,b,a) sets a Color the r,g,b,a channel values-->
[[error]] ''<translate>terminates protected func, never returns</translate>''<br/>
+
[[dofile]] ''executes as Lua chunk, default stdin, returns value''<br/><!--GIDEROSMTD:dofile(filename) executes as Lua chunk, default stdin, returns value-->
[[getfenv]] ''<translate>gets env, f can be a function or number(stack level)</translate>''<br/>
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[[error]] ''terminates protected func, never returns''<br/><!--GIDEROSMTD:error(message,level) terminates protected func, never returns-->
[[getmetatable]] ''<translate>returns metatable of given object, otherwise nil</translate>''<br/>
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[[gcinfo]] ''returns the total memory heap size in kilobytes''<br/><!--GIDEROSMTD:gcinfo() returns the total memory heap size in kilobytes-->
[[ipairs]] ''<translate>returns an iterator function, table t and 0</translate>''<br/>
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[[getfenv]] ''gets env, f can be a function or number(stack level)''<br/><!--GIDEROSMTD:getfenv(f) gets env, f can be a function or number(stack level)-->
[[loadfile]] ''<translate>loads chunk without execution, returns chunk as function, else nil plus error</translate>''<br/>
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[[getmetatable]] ''returns metatable of given object, otherwise nil''<br/><!--GIDEROSMTD:getmetatable(object) returns metatable of given object, otherwise nil-->
[[loadstring]] ''<translate>loads string as chunk, returns chunk as function, else nil plus error</translate>''<br/>
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[[ipairs]] ''returns an iterator function, table t and 0''<br/><!--GIDEROSMTD:ipairs(t) returns an iterator function, table t and 0-->
[[next]] ''<translate>returns next index,value pair, if index=nil(default-, returns first index</translate>''<br/>
+
[[loadfile]] ''loads chunk without execution, returns chunk as function, else nil plus error''<br/><!--GIDEROSMTD:loadfile(filename) loads chunk without execution, returns chunk as function, else nil plus error-->
[[pairs]] ''<translate>returns the next function and table t plus a nil, iterates over all key-value pairs</translate>''<br/>
+
[[loadstring]] ''loads string as chunk, returns chunk as function, else nil plus error''<br/><!--GIDEROSMTD:loadstring(string,chunkname) loads string as chunk, returns chunk as function, else nil plus error-->
[[pcall]] ''<translate>protected mode call, catches errors, returns status code first</translate>''<br/>
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[[next]] ''returns next index,value pair, if index=nil(default-, returns first index''<br/><!--GIDEROSMTD:next(table,index) returns next index,value pair, if index=nil(default-, returns first index-->
[[print]] ''<translate>prints values to stdout using tostring</translate>''<br/>
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[[newproxy]] ''creates a blank userdata, with the option for it to have a metatable''<br/><!--GIDEROSMTD:newproxy(addMetatable) creates a blank userdata, with the option for it to have a metatable-->
[[rawequal]] ''<translate>non-metamethod v1==v2, returns boolean</translate>''<br/>
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[[pairs]] ''returns the next function and table t plus a nil, iterates over all key-value pairs''<br/><!--GIDEROSMTD:pairs(t) returns the next function and table t plus a nil, iterates over all key-value pairs-->
[[rawget]] ''<translate>non-metamethod get value of table[index], index != nil</translate>''<br/>
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[[pcall]] ''protected mode call, catches errors, returns status code first''<br/><!--GIDEROSMTD:pcall(f,arg1,arg2,...) protected mode call, catches errors, returns status code first-->
[[rawset]] ''<translate>non-metamethod set value of table[index], index != nil</translate>''<br/>
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[[print]] ''prints values to stdout using tostring''<br/><!--GIDEROSMTD:print(e1,e2,...) prints values to stdout using tostring-->
[[require]] ''<translate>loads package, updates _LOADED, returns boolean</translate>''<br/>
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[[rawequal]] ''non-metamethod v1==v2, returns boolean''<br/><!--GIDEROSMTD:rawequal(v1,v2) non-metamethod v1==v2, returns boolean-->
[[setfenv]] ''<translate>sets env, f can be a function or number(stack level, default=1-, 0=global env</translate>''<br/>
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[[rawget]] ''non-metamethod get value of table[index], index != nil''<br/><!--GIDEROSMTD:rawget(table,key) non-metamethod get value of table[index], index != nil-->
[[setmetatable]] ''<translate>sets metatable, nil to remove metatable</translate>''<br/>
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[[rawiter]] ''non-metamethod table iteration''<br/><!--GIDEROSMTD:rawiter(table,key) non-metamethod table iteration-->
[[tonumber]] ''<translate>convert to number, returns number, nil if non-convertible, 2<=base<=36</translate>''<br/>
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[[rawlen]] ''non-metamethod length of the string or table''<br/><!--GIDEROSMTD:rawlen(table) non-metamethod length of the string or table-->
[[tostring]] ''<translate>convert to string, returns string</translate>''<br/>
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[[rawset]] ''non-metamethod set value of table[index], index != nil''<br/><!--GIDEROSMTD:rawset(table,key,value) non-metamethod set value of table[index], index != nil-->
[[type]] ''<translate>returns type of v as a string</translate>''<br/>
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[[require]] ''loads package, updates _LOADED, returns boolean''<br/><!--GIDEROSMTD:require(packagename) loads package, updates _LOADED, returns boolean-->
[[unpack]] ''<translate>returns all elements from list</translate>''<br/>
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[[select]] ''returns items in a list or number of items in a list''<br/><!--GIDEROSMTD:select(index,...) returns items in a list or number of items in a list-->
[[xpcall]] ''<translate>pcall function f with new error handler err</translate>''<br/>
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[[setfenv]] ''sets env, f can be a function or number(stack level, default=1-, 0=global env''<br/><!--GIDEROSMTD:setfenv(f,table) sets env, f can be a function or number(stack level, default=1-, 0=global env-->
 +
[[setmetatable]] ''sets metatable, nil to remove metatable''<br/><!--GIDEROSMTD:setmetatable(table,metatable) sets metatable, nil to remove metatable-->
 +
[[setsafeenv]] ''sets a safe env''<br/><!--GIDEROSMTD:setsafeenv(flags) sets a safe env-->
 +
[[tonumber]] ''convert to number, returns number, nil if non-convertible, 2<=base<=36''<br/><!--GIDEROSMTD:tonumber(e,base) convert to number, returns number, nil if non-convertible, 2<=base<=36-->
 +
[[tostring]] ''convert to string, returns string''<br/><!--GIDEROSMTD:tostring(e) convert to string, returns string-->
 +
[[type]] ''returns type of v as a string''<br/><!--GIDEROSMTD:type(v) returns type of v as a string-->
 +
[[typeof]] ''returns type of v as a string''<br/><!--GIDEROSMTD:typeof(v) returns type of v as a string-->
 +
[[unpack]] ''returns all elements from list''<br/><!--GIDEROSMTD:unpack(list) returns all elements from list-->
 +
[[vector]] ''vector with up to 3 values''<br/><!--GIDEROSMTD:vector(x,y[,z]) vector with up to 3 values-->
 +
[[xpcall]] ''pcall function f with new error handler err''<br/><!--GIDEROSMTD:xpcall(f,err) pcall function f with new error handler err-->
 +
 
 
| style="width: 50%; vertical-align:top;"|
 
| style="width: 50%; vertical-align:top;"|
 
=== Events ===
 
=== Events ===
 
=== Constants ===
 
=== Constants ===
[[_G]]<br/>
+
[[_G]]<br/><!--GIDEROSCST:_G-->
[[_VERSION]]<br/>
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[[_VERSION]]<br/><!--GIDEROSCST:_VERSION Lua 5.x.x-->
 
|}
 
|}
 +
 +
{{GIDEROS IMPORTANT LINKS}}

Latest revision as of 18:43, 21 February 2025

Supported platforms: Platform android.pngPlatform ios.pngPlatform mac.pngPlatform pc.pngPlatform linux.png
Available since: Gideros 2011.6

Description

Global scope of Lua environment.

Example

Prints all current global variables:

local function globalVariable()
	for k,v in pairs(_G) do
		print(k,v)
	end
end
 
globalVariable()

Reference

https://github.com/gideros/luau/blob/master/VM/src/lbaselib.cpp
https://create.roblox.com/docs/reference/engine/globals/LuaGlobals

Methods

assert error if v nil or false, otherwise returns v
collectgarbage opts: stop, restart, collect, count, step, setpause, setstepmul
ColorValue sets a Color the r,g,b,a channel values
dofile executes as Lua chunk, default stdin, returns value
error terminates protected func, never returns
gcinfo returns the total memory heap size in kilobytes
getfenv gets env, f can be a function or number(stack level)
getmetatable returns metatable of given object, otherwise nil
ipairs returns an iterator function, table t and 0
loadfile loads chunk without execution, returns chunk as function, else nil plus error
loadstring loads string as chunk, returns chunk as function, else nil plus error
next returns next index,value pair, if index=nil(default-, returns first index
newproxy creates a blank userdata, with the option for it to have a metatable
pairs returns the next function and table t plus a nil, iterates over all key-value pairs
pcall protected mode call, catches errors, returns status code first
print prints values to stdout using tostring
rawequal non-metamethod v1==v2, returns boolean
rawget non-metamethod get value of table[index], index != nil
rawiter non-metamethod table iteration
rawlen non-metamethod length of the string or table
rawset non-metamethod set value of table[index], index != nil
require loads package, updates _LOADED, returns boolean
select returns items in a list or number of items in a list
setfenv sets env, f can be a function or number(stack level, default=1-, 0=global env
setmetatable sets metatable, nil to remove metatable
setsafeenv sets a safe env
tonumber convert to number, returns number, nil if non-convertible, 2<=base<=36
tostring convert to string, returns string
type returns type of v as a string
typeof returns type of v as a string
unpack returns all elements from list
vector vector with up to 3 values
xpcall pcall function f with new error handler err

Events

Constants

_G
_VERSION