luaur-rt 0.1.3

Safe, ergonomic, mlua-style API for luaur (pure-Rust Luau).
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170

//! Thin, centralized imports of the luaur C API we build on (internal plumbing).
//!
//! Every raw `lua_*` function/type/constant used by `luaur-rt` is re-exported
//! from here, so the rest of the crate has a single place to look and we keep
//! the (long) import paths in one module. Nothing in here is part of the public
//! API; the small mlua-style public `ffi` surface lives in `crate::sys` (the
//! `ffi.rs` *public* module), this one is mounted privately as `crate::sys`.

pub(crate) use core::ffi::{c_char, c_int, c_void};

// ---- types ---------------------------------------------------------------
pub(crate) use luaur_vm::type_aliases::lua_c_function::lua_CFunction;
pub(crate) use luaur_vm::type_aliases::lua_state::lua_State;

// ---- state ---------------------------------------------------------------
pub(crate) use luaur_vm::functions::lua_close::lua_close;
pub(crate) use luaur_vm::functions::lua_l_newstate::lua_l_newstate;
pub(crate) use luaur_vm::functions::lua_l_openlibs::lua_l_openlibs;

// ---- stack / values ------------------------------------------------------
pub(crate) use luaur_vm::functions::lua_gettop::lua_gettop;
pub(crate) use luaur_vm::functions::lua_pushboolean::lua_pushboolean;
pub(crate) use luaur_vm::functions::lua_pushlstring::lua_pushlstring;
pub(crate) use luaur_vm::functions::lua_pushnil::lua_pushnil;
pub(crate) use luaur_vm::functions::lua_pushnumber::lua_pushnumber;
pub(crate) use luaur_vm::functions::lua_pushvalue::lua_pushvalue;
pub(crate) use luaur_vm::functions::lua_settop::lua_settop;
pub(crate) use luaur_vm::functions::lua_toboolean::lua_toboolean;
pub(crate) use luaur_vm::functions::lua_tolstring::lua_tolstring;
pub(crate) use luaur_vm::functions::lua_tonumberx::lua_tonumberx;
pub(crate) use luaur_vm::functions::lua_type::lua_type;

// ---- tables --------------------------------------------------------------
pub(crate) use luaur_vm::functions::lua_createtable::lua_createtable;
pub(crate) use luaur_vm::functions::lua_gettable::lua_gettable;
pub(crate) use luaur_vm::functions::lua_next::lua_next;
pub(crate) use luaur_vm::functions::lua_objlen::lua_objlen;
pub(crate) use luaur_vm::functions::lua_settable::lua_settable;

// ---- raw table access + metatables + stack juggling ----------------------
pub(crate) use luaur_vm::functions::lua_equal::lua_equal;
pub(crate) use luaur_vm::functions::lua_getmetatable::lua_getmetatable;
pub(crate) use luaur_vm::functions::lua_getreadonly::lua_getreadonly;
pub(crate) use luaur_vm::functions::lua_insert::lua_insert;
pub(crate) use luaur_vm::functions::lua_rawget::lua_rawget;
pub(crate) use luaur_vm::functions::lua_rawset::lua_rawset;
pub(crate) use luaur_vm::functions::lua_setreadonly::lua_setreadonly;
pub(crate) use luaur_vm::functions::lua_topointer::lua_topointer;

// ---- garbage collection --------------------------------------------------
pub(crate) use luaur_vm::enums::lua_gc_op::lua_GCOp;
pub(crate) use luaur_vm::functions::lua_gc::lua_gc;

// ---- interrupts / sandbox / memory categories (Luau) ---------------------
pub(crate) use luaur_vm::functions::lua_callbacks::lua_callbacks;
pub(crate) use luaur_vm::functions::lua_isyieldable::lua_isyieldable;
pub(crate) use luaur_vm::functions::lua_l_sandbox::lua_l_sandbox;
pub(crate) use luaur_vm::functions::lua_l_sandboxthread::lua_l_sandboxthread;
pub(crate) use luaur_vm::functions::lua_rawcheckstack::lua_rawcheckstack;
pub(crate) use luaur_vm::functions::lua_replace::lua_replace;
pub(crate) use luaur_vm::functions::lua_setmemcat::lua_setmemcat;
pub(crate) use luaur_vm::functions::lua_setsafeenv::lua_setsafeenv;

// ---- metatable-aware tostring --------------------------------------------
pub(crate) use luaur_vm::functions::lua_l_tolstring::lua_l_tolstring;

// ---- traceback -----------------------------------------------------------
pub(crate) use luaur_vm::functions::lua_l_traceback::lua_l_traceback;

// ---- named registry + field access ---------------------------------------
pub(crate) use luaur_vm::functions::lua_getfield::lua_getfield;
pub(crate) use luaur_vm::functions::lua_setfield::lua_setfield;
pub(crate) use luaur_vm::macros::lua_registryindex::LUA_REGISTRYINDEX;

// ---- light userdata ------------------------------------------------------
pub(crate) use luaur_vm::functions::lua_pushlightuserdatatagged::lua_pushlightuserdatatagged;
pub(crate) use luaur_vm::functions::lua_tolightuserdata::lua_tolightuserdata;

// ---- buffers / vectors (Luau) --------------------------------------------
pub(crate) use luaur_vm::functions::lua_newbuffer::lua_newbuffer;
pub(crate) use luaur_vm::functions::lua_pushvector_lapi::lua_pushvector_lua_state_f32_f32_f32_f32;
pub(crate) use luaur_vm::functions::lua_tobuffer::lua_tobuffer;
pub(crate) use luaur_vm::functions::lua_tovector::lua_tovector;

// ---- closures / userdata -------------------------------------------------
pub(crate) use luaur_vm::functions::lua_newuserdatadtor::lua_newuserdatadtor;
pub(crate) use luaur_vm::functions::lua_pushcclosurek::lua_pushcclosurek;
pub(crate) use luaur_vm::functions::lua_setmetatable::lua_setmetatable;
pub(crate) use luaur_vm::functions::lua_touserdata::lua_touserdata;

// ---- refs / call / load --------------------------------------------------
pub(crate) use luaur_vm::functions::lua_checkstack::lua_checkstack;
pub(crate) use luaur_vm::functions::lua_error::lua_error;
pub(crate) use luaur_vm::functions::lua_pcall::lua_pcall;
pub(crate) use luaur_vm::functions::lua_ref::lua_ref;
pub(crate) use luaur_vm::functions::lua_unref::lua_unref;
pub(crate) use luaur_vm::functions::luau_load::luau_load;

// ---- threads / coroutines ------------------------------------------------
pub(crate) use luaur_vm::functions::lua_costatus::lua_costatus;
pub(crate) use luaur_vm::functions::lua_newthread::lua_newthread;
pub(crate) use luaur_vm::functions::lua_pushthread::lua_pushthread;
pub(crate) use luaur_vm::functions::lua_resetthread::lua_resetthread;
pub(crate) use luaur_vm::functions::lua_resume::lua_resume;
pub(crate) use luaur_vm::functions::lua_resumeerror::lua_resumeerror;
pub(crate) use luaur_vm::functions::lua_status::lua_status;
pub(crate) use luaur_vm::functions::lua_tothread::lua_tothread;
pub(crate) use luaur_vm::functions::lua_xmove::lua_xmove;

// ---- function environment + debug info -----------------------------------
pub(crate) use luaur_vm::functions::lua_getfenv::lua_getfenv;
pub(crate) use luaur_vm::functions::lua_getinfo::lua_getinfo;
pub(crate) use luaur_vm::functions::lua_getupvalue::lua_getupvalue;
pub(crate) use luaur_vm::functions::lua_setfenv::lua_setfenv;
pub(crate) use luaur_vm::records::lua_debug::LuaDebug;

// ---- macro-defined helpers (exposed as plain fns) ------------------------
pub(crate) use luaur_vm::macros::lua_globalsindex::LUA_GLOBALSINDEX;
pub(crate) use luaur_vm::macros::lua_pop::lua_pop;
pub(crate) use luaur_vm::macros::lua_upvalueindex::lua_upvalueindex;

// ---- async bridge (Future <-> coroutine) ---------------------------------
// Only the async feature touches these; gating them keeps the default build
// free of unused-import churn (and byte-identical).
#[cfg(feature = "async")]
pub(crate) use luaur_vm::functions::lua_pushinteger::lua_pushinteger;
#[cfg(feature = "async")]
pub(crate) use luaur_vm::functions::lua_rawgeti::lua_rawgeti;
#[cfg(feature = "async")]
pub(crate) use luaur_vm::functions::lua_tointegerx::lua_tointegerx;

/// Lua type tags (subset we care about). The VM returns these as `c_int` from
/// [`lua_type`]; we keep our own constants to avoid leaking the VM enum.
pub(crate) mod ttype {
    use super::c_int;
    pub const NONE: c_int = -1;
    pub const NIL: c_int = 0;
    pub const BOOLEAN: c_int = 1;
    pub const LIGHTUSERDATA: c_int = 2;
    pub const VECTOR: c_int = 5;
    pub const NUMBER: c_int = 3;
    pub const STRING: c_int = 6;
    pub const TABLE: c_int = 7;
    pub const FUNCTION: c_int = 8;
    pub const USERDATA: c_int = 9;
    pub const THREAD: c_int = 10;
    pub const BUFFER: c_int = 11;
}

/// Coroutine status codes returned by [`super::lua_costatus`] (mirrors luaur's
/// `lua_CoStatus`). Kept local so we don't leak the VM enum.
pub(crate) mod costatus {
    use super::c_int;
    pub const RUNNING: c_int = 0;
    pub const SUSPENDED: c_int = 1;
    pub const NORMAL: c_int = 2;
    pub const FINISHED: c_int = 3;
    pub const ERROR: c_int = 4;
}

/// Lua call/load status codes (subset). Mirrors luaur's `lua_Status`.
pub(crate) mod status {
    use super::c_int;
    pub const OK: c_int = 0;
    pub const YIELD: c_int = 1;
    /// `LUA_BREAK` — produced when an interrupt callback yields the VM via
    /// `lua_break`. The coroutine is still resumable (it continues from the
    /// break point on the next `lua_resume`), so we treat it like a yield.
    pub const BREAK: c_int = 6;
}