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Trim redundant output from test_setdtor.lua.
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`setdtor('description', object, function)` returns a proxy userdata object
referencing object and function. When the proxy is garbage-collected, or at
the end of the script, its destructor calls `function(object)`.
The original object may be retrieved as `proxy._target`, e.g. to pass it to
the `table` library. The proxy also has a metatable with metamethods
supporting arithmetic operations, string concatenation, length and table
indexing. For other operations, retrieve `proxy._target`. (But don't assign to
`proxy._target`. It will appear to work, in that subsequent references to
`proxy._target` will retrieve the replacement object -- however, the
destructor will still call `function(original object)`.)
Fix bugs in `lua_setfieldv()`, `lua_rawgetfield()` and `lua_rawsetfield()`.
Add C++ functions `lua_destroyuserdata()` to explicitly destroy a
`lua_emplace<T>()` userdata object, plus `lua_destroybounduserdata()`. The
latter can bind such a userdata object as an upvalue to pass to `LL.atexit()`.
Make `LL.help()` and `LL.leaphelp()` help text include the `LL.` prefix.
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Allow UI to have lazily-loaded submodules.
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Lua inventory api
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Fix for #2385: say, shout and whisper messages from the script should be displayed consistently
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In particular, where the raw leap.request().response call would return
{OK_okcancelbuttons=true}, just return the string 'OK' or 'Cancel'.
Update existing consumer scripts.
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This way encourages "UI = require 'UI'; UI.Floater"
instead of just "Floater = require 'Floater'".
Moreover, now we don't need UI to maintain a list of allowed submodules;
that's effected by membership in the subdirectory.
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Equip UI with an __index metamethod. When someone references an unknown
key/field in UI, require() that module and cache it for future reference.
Add util.setmetamethods() as a way to find or create a metatable on a
specified table containing specified metamethods.
Exercise the new functionality by referencing UI.popup in test_popup.lua.
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displayed consistently
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Fix for #2237: intermittent Lua data stack overflow.
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Otherwise, an exception raised in the block containing a LuaStackDelta
instance -- that might be caught -- would result in an LL_ERRS() crash. We
can't expect a block exited via exception to keep its contract wrt the Lua
data stack.
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Specifically, defend against a callback that runs so long it suspends at a
point after the next timer tick.
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Use a static unordered_map to allow a function receiving (lua_State* L) to
look up the LuaState instance managing that lua_State. We've thought about
this from time to time already. LuaState's constructor creates the map entry;
its destructor removes it; the new static getParent(lua_State* L) method
performs the lookup.
Migrate lluau::set_interrupts_counter() and check_interrupts_counter() into
LuaState member functions. Add a new mInterrupts counter for them.
Importantly, LuaState::check_interrupts_counter(), which is indirectly called
by a lua_callbacks().interrupt function, no longer performs any Lua stack
operations. Empirically, it seems the Lua engine is capable of interrupting
itself at a moment when re-entry confuses it.
Change previous lluau::set_interrupts_counter(L, 0) calls to
LuaState::getParent(L).set_interrupts_counter(0).
Also add LuaStackDelta class, and a lua_checkdelta() helper macro, to verify
that the Lua data stack depth on exit from a block differs from the depth on
entry by exactly the expected amount. Sprinkle lua_checkdelta() macros in
likely places.
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In fact we set mOldValue from mVar, and restore mVar from mOldValue, so the
VAR type makes the most sense. The previous way, you'd get actual errors if
you tried to use TempSet(pointervar, nullptr): that declared mOldValue to be
nullptr_t, which you can't initialize from mVar.
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luaL_checkstack() accepts a third parameter which is included in the stack
overflow error message. We've been passing nullptr, leading to messages of the
form "stack overflow ((null))". lluau_checkstack() implicitly passes
__FUNCTION__, so we can distinguish which underlying luaL_checkstack() call
encountered the stack overflow condition.
Also, when calling each atexit() function, pass Luau's debug.traceback()
function as the lua_pcall() error handler. This should help diagnose errors in
atexit() functions.
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Update Luau to v0.638-r2 (2024-08-12 build)
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Lua api for sending group messages
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Add Throttle and LogThrottle classes to manage throttled APIs.
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Introduce a custom coroutine/fiber scheduler to prioritize UI.
With approval from Maxim and Atlas, merging to project trunk.
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Add test_flycam.lua to exercise the smaller intervals.
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Thanks, Maxim.
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Fix omission in login.savedLogins().
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Also add Region.lua.
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