factorio_mlua_sys/lua51/
lauxlib.rs

1//! Contains definitions from `lauxlib.h`.
2
3use std::os::raw::{c_char, c_int, c_void};
4use std::ptr;
5
6use super::lua::{self, lua_CFunction, lua_Integer, lua_Number, lua_State};
7
8// Extra error code for 'luaL_load'
9pub const LUA_ERRFILE: c_int = lua::LUA_ERRERR + 1;
10
11#[repr(C)]
12pub struct luaL_Reg {
13    pub name: *const c_char,
14    pub func: lua_CFunction,
15}
16
17extern "C" {
18    pub fn luaL_register(L: *mut lua_State, libname: *const c_char, l: *const luaL_Reg);
19    #[link_name = "luaL_getmetafield"]
20    pub fn luaL_getmetafield_(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
21    pub fn luaL_callmeta(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
22    pub fn luaL_typerror(L: *mut lua_State, narg: c_int, tname: *const c_char) -> c_int;
23    pub fn luaL_argerror(L: *mut lua_State, narg: c_int, extramsg: *const c_char) -> c_int;
24    pub fn luaL_checklstring(L: *mut lua_State, narg: c_int, l: *mut usize) -> *const c_char;
25    pub fn luaL_optlstring(
26        L: *mut lua_State,
27        narg: c_int,
28        def: *const c_char,
29        l: *mut usize,
30    ) -> *const c_char;
31    pub fn luaL_checknumber(L: *mut lua_State, narg: c_int) -> lua_Number;
32    pub fn luaL_optnumber(L: *mut lua_State, narg: c_int, def: lua_Number) -> lua_Number;
33    pub fn luaL_checkinteger(L: *mut lua_State, narg: c_int) -> lua_Integer;
34    pub fn luaL_optinteger(L: *mut lua_State, narg: c_int, def: lua_Integer) -> lua_Integer;
35    #[link_name = "luaL_checkstack"]
36    pub fn luaL_checkstack_(L: *mut lua_State, sz: c_int, msg: *const c_char);
37    pub fn luaL_checktype(L: *mut lua_State, narg: c_int, t: c_int);
38    pub fn luaL_checkany(L: *mut lua_State, narg: c_int);
39
40    #[link_name = "luaL_newmetatable"]
41    pub fn luaL_newmetatable_(L: *mut lua_State, tname: *const c_char) -> c_int;
42    pub fn luaL_checkudata(L: *mut lua_State, ud: c_int, tname: *const c_char) -> *mut c_void;
43
44    pub fn luaL_where(L: *mut lua_State, lvl: c_int);
45    pub fn luaL_error(L: *mut lua_State, fmt: *const c_char, ...) -> !;
46
47    pub fn luaL_checkoption(
48        L: *mut lua_State,
49        narg: c_int,
50        def: *const c_char,
51        lst: *const *const c_char,
52    ) -> c_int;
53}
54
55// Pre-defined references
56pub const LUA_NOREF: c_int = -2;
57pub const LUA_REFNIL: c_int = -1;
58
59extern "C" {
60    pub fn luaL_ref(L: *mut lua_State, t: c_int) -> c_int;
61    pub fn luaL_unref(L: *mut lua_State, t: c_int, r#ref: c_int);
62
63    pub fn luaL_loadfile(L: *mut lua_State, filename: *const c_char) -> c_int;
64    pub fn luaL_loadbuffer(
65        L: *mut lua_State,
66        buff: *const c_char,
67        sz: usize,
68        name: *const c_char,
69    ) -> c_int;
70    pub fn luaL_loadstring(L: *mut lua_State, s: *const c_char) -> c_int;
71
72    pub fn luaL_newstate() -> *mut lua_State;
73
74    pub fn luaL_gsub(
75        L: *mut lua_State,
76        s: *const c_char,
77        p: *const c_char,
78        r: *const c_char,
79    ) -> *const c_char;
80
81    pub fn luaL_findtable(
82        L: *mut lua_State,
83        idx: c_int,
84        fname: *const c_char,
85        szhint: c_int,
86    ) -> *const c_char;
87}
88
89//
90// Some useful macros (implemented as Rust functions)
91//
92
93#[inline(always)]
94pub unsafe fn luaL_argcheck(L: *mut lua_State, cond: c_int, narg: c_int, extramsg: *const c_char) {
95    if cond == 0 {
96        luaL_argerror(L, narg, extramsg);
97    }
98}
99
100#[inline(always)]
101pub unsafe fn luaL_checkstring(L: *mut lua_State, n: c_int) -> *const c_char {
102    luaL_checklstring(L, n, ptr::null_mut())
103}
104
105#[inline(always)]
106pub unsafe fn luaL_optstring(L: *mut lua_State, n: c_int, d: *const c_char) -> *const c_char {
107    luaL_optlstring(L, n, d, ptr::null_mut())
108}
109
110// Deprecated from 5.3: luaL_checkint, luaL_optint, luaL_checklong, luaL_optlong
111
112#[inline(always)]
113pub unsafe fn luaL_typename(L: *mut lua_State, i: c_int) -> *const c_char {
114    lua::lua_typename(L, lua::lua_type(L, i))
115}
116
117pub unsafe fn luaL_dofile(L: *mut lua_State, filename: *const c_char) -> c_int {
118    let status = luaL_loadfile(L, filename);
119    if status == 0 {
120        lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
121    } else {
122        status
123    }
124}
125
126#[inline(always)]
127pub unsafe fn luaL_dostring(L: *mut lua_State, s: *const c_char) -> c_int {
128    let status = luaL_loadstring(L, s);
129    if status == 0 {
130        lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
131    } else {
132        status
133    }
134}
135
136#[inline(always)]
137pub unsafe fn luaL_getmetatable(L: *mut lua_State, n: *const c_char) {
138    lua::lua_getfield_(L, lua::LUA_REGISTRYINDEX, n);
139}
140
141// TODO: luaL_opt
142
143//
144// TODO: Generic Buffer Manipulation
145//
factorio_mlua_sys/lua51/lauxlib.rs

factorio_mlua_sys/lua51/
lauxlib.rs
