296 lines
9.5 KiB
Rust
296 lines
9.5 KiB
Rust
// The MIT License (MIT)
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//
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// Copyright (c) 2019 A. Orlenko
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// Copyright (c) 2014 J.C. Moyer
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//! Contains definitions from `lauxlib.h`.
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use std::os::raw::{c_char, c_int, c_long, c_void};
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use std::ptr;
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use super::lua::{self, lua_CFunction, lua_Integer, lua_Number, lua_State};
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#[cfg(feature = "lua53")]
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pub use super::glue::LUAL_NUMSIZES;
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#[cfg(not(feature = "lua53"))]
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pub use super::compat53::{
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luaL_checkversion, luaL_getmetafield, luaL_getsubtable, luaL_len, luaL_loadbufferx,
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luaL_newmetatable, luaL_requiref, luaL_setfuncs, luaL_setmetatable, luaL_testudata,
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luaL_tolstring, luaL_traceback,
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};
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// extra error code for 'luaL_load'
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pub const LUA_ERRFILE: c_int = lua::LUA_ERRERR + 1;
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#[repr(C)]
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pub struct luaL_Reg {
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pub name: *const c_char,
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pub func: lua_CFunction,
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}
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#[cfg(feature = "lua53")]
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#[inline(always)]
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pub unsafe fn luaL_checkversion(L: *mut lua_State) {
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luaL_checkversion_(
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L,
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lua::LUA_VERSION_NUM as lua_Number,
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LUAL_NUMSIZES as usize,
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)
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}
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extern "C" {
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#[cfg(feature = "lua53")]
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pub fn luaL_checkversion_(L: *mut lua_State, ver: lua_Number, sz: usize);
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#[cfg(feature = "lua53")]
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pub fn luaL_getmetafield(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
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#[cfg(not(feature = "lua53"))]
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#[link_name = "luaL_getmetafield"]
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pub fn luaL_getmetafield_51(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
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pub fn luaL_callmeta(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
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#[cfg(feature = "lua53")]
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pub fn luaL_tolstring(L: *mut lua_State, idx: c_int, len: *mut usize) -> *const c_char;
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pub fn luaL_argerror(L: *mut lua_State, arg: c_int, l: *const c_char) -> c_int;
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pub fn luaL_checklstring(L: *mut lua_State, arg: c_int, l: *mut usize) -> *const c_char;
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pub fn luaL_optlstring(
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L: *mut lua_State,
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arg: c_int,
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def: *const c_char,
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l: *mut usize,
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) -> *const c_char;
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pub fn luaL_checknumber(L: *mut lua_State, arg: c_int) -> lua_Number;
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pub fn luaL_optnumber(L: *mut lua_State, arg: c_int, def: lua_Number) -> lua_Number;
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pub fn luaL_checkinteger(L: *mut lua_State, arg: c_int) -> lua_Integer;
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pub fn luaL_optinteger(L: *mut lua_State, arg: c_int, def: lua_Integer) -> lua_Integer;
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pub fn luaL_checkstack(L: *mut lua_State, sz: c_int, msg: *const c_char);
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pub fn luaL_checktype(L: *mut lua_State, arg: c_int, t: c_int);
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pub fn luaL_checkany(L: *mut lua_State, arg: c_int);
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#[cfg(feature = "lua53")]
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pub fn luaL_newmetatable(L: *mut lua_State, tname: *const c_char) -> c_int;
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#[cfg(not(feature = "lua53"))]
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#[link_name = "luaL_newmetatable"]
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pub fn luaL_newmetatable_51(L: *mut lua_State, tname: *const c_char) -> c_int;
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#[cfg(feature = "lua53")]
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pub fn luaL_setmetatable(L: *mut lua_State, tname: *const c_char);
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#[cfg(feature = "lua53")]
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pub fn luaL_testudata(L: *mut lua_State, ud: c_int, tname: *const c_char) -> *mut c_void;
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pub fn luaL_checkudata(L: *mut lua_State, ud: c_int, tname: *const c_char) -> *mut c_void;
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pub fn luaL_where(L: *mut lua_State, lvl: c_int);
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pub fn luaL_error(L: *mut lua_State, fmt: *const c_char, ...) -> !;
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// TODO: test this
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pub fn luaL_checkoption(
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L: *mut lua_State,
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arg: c_int,
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def: *const c_char,
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lst: *const *const c_char,
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) -> c_int;
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#[cfg(feature = "lua53")]
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pub fn luaL_fileresult(L: *mut lua_State, stat: c_int, fname: *const c_char) -> c_int;
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#[cfg(feature = "lua53")]
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pub fn luaL_execresult(L: *mut lua_State, stat: c_int) -> c_int;
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}
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// pre-defined references
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pub const LUA_NOREF: c_int = -2;
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pub const LUA_REFNIL: c_int = -1;
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extern "C" {
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pub fn luaL_ref(L: *mut lua_State, t: c_int) -> c_int;
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pub fn luaL_unref(L: *mut lua_State, t: c_int, r: c_int);
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#[cfg(feature = "lua53")]
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pub fn luaL_loadfilex(L: *mut lua_State, filename: *const c_char, mode: *const c_char)
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-> c_int;
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#[cfg(not(feature = "lua53"))]
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pub fn luaL_loadfile(L: *mut lua_State, filename: *const c_char) -> c_int;
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}
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#[cfg(feature = "lua53")]
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#[inline(always)]
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pub unsafe fn luaL_loadfile(L: *mut lua_State, f: *const c_char) -> c_int {
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luaL_loadfilex(L, f, ptr::null())
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}
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extern "C" {
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#[cfg(feature = "lua53")]
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pub fn luaL_loadbufferx(
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L: *mut lua_State,
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buff: *const c_char,
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sz: usize,
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name: *const c_char,
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mode: *const c_char,
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) -> c_int;
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#[cfg(not(feature = "lua53"))]
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pub fn luaL_loadbuffer(
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L: *mut lua_State,
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buff: *const c_char,
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sz: usize,
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name: *const c_char,
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) -> c_int;
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pub fn luaL_loadstring(L: *mut lua_State, s: *const c_char) -> c_int;
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pub fn luaL_newstate() -> *mut lua_State;
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#[cfg(feature = "lua53")]
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pub fn luaL_len(L: *mut lua_State, idx: c_int) -> lua_Integer;
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pub fn luaL_gsub(
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L: *mut lua_State,
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s: *const c_char,
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p: *const c_char,
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r: *const c_char,
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) -> *const c_char;
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#[cfg(feature = "lua53")]
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pub fn luaL_setfuncs(L: *mut lua_State, l: *const luaL_Reg, nup: c_int);
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#[cfg(feature = "lua53")]
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pub fn luaL_getsubtable(L: *mut lua_State, idx: c_int, fname: *const c_char) -> c_int;
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#[cfg(feature = "lua53")]
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pub fn luaL_traceback(L: *mut lua_State, L1: *mut lua_State, msg: *const c_char, level: c_int);
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#[cfg(feature = "lua53")]
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pub fn luaL_requiref(
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L: *mut lua_State,
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modname: *const c_char,
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openf: lua_CFunction,
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glb: c_int,
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);
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}
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#[inline(always)]
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#[allow(unused_variables)]
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pub unsafe fn luaL_newlibtable(L: *mut lua_State, l: *const luaL_Reg) {
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// TODO: figure out how to pass an appropriate hint for the second param
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// this involves correcting the second parameter's type; in C this is
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// sizeof(l)/sizeof(l[0])
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lua::lua_createtable(L, 0, 0)
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}
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#[inline(always)]
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pub unsafe fn luaL_newlib(L: *mut lua_State, l: *const luaL_Reg) {
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luaL_checkversion(L);
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luaL_newlibtable(L, l);
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luaL_setfuncs(L, l, 0)
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}
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#[inline(always)]
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pub unsafe fn luaL_argcheck(L: *mut lua_State, cond: c_int, arg: c_int, extramsg: *const c_char) {
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if cond == 0 {
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luaL_argerror(L, arg, extramsg);
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}
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}
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#[inline(always)]
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pub unsafe fn luaL_checkstring(L: *mut lua_State, n: c_int) -> *const c_char {
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luaL_checklstring(L, n, ptr::null_mut())
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}
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#[inline(always)]
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pub unsafe fn luaL_optstring(L: *mut lua_State, n: c_int, d: *const c_char) -> *const c_char {
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luaL_optlstring(L, n, d, ptr::null_mut())
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}
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// From 5.3 user manual:
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// Macros to project non-default integer types (luaL_checkint, luaL_optint,
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// luaL_checklong, luaL_optlong) were deprecated. Use their equivalent over
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// lua_Integer with a type cast (or, when possible, use lua_Integer in your
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// code).
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#[inline(always)]
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//#[deprecated]
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pub unsafe fn luaL_checkint(L: *mut lua_State, n: c_int) -> c_int {
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luaL_checkinteger(L, n) as c_int
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}
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#[inline(always)]
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//#[deprecated]
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pub unsafe fn luaL_optint(L: *mut lua_State, n: c_int, d: c_int) -> c_int {
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luaL_optinteger(L, n, d as lua_Integer) as c_int
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}
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#[inline(always)]
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//#[deprecated]
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pub unsafe fn luaL_checklong(L: *mut lua_State, n: c_int) -> c_long {
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luaL_checkinteger(L, n) as c_long
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}
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#[inline(always)]
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//#[deprecated]
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pub unsafe fn luaL_optlong(L: *mut lua_State, n: c_int, d: c_long) -> c_long {
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luaL_optinteger(L, n, d as lua_Integer) as c_long
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}
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#[inline(always)]
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pub unsafe fn luaL_typename(L: *mut lua_State, i: c_int) -> *const c_char {
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lua::lua_typename(L, lua::lua_type(L, i))
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}
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#[inline(always)]
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pub unsafe fn luaL_dofile(L: *mut lua_State, filename: *const c_char) -> c_int {
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let status = luaL_loadfile(L, filename);
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if status == 0 {
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lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
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} else {
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status
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}
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}
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#[inline(always)]
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pub unsafe fn luaL_dostring(L: *mut lua_State, s: *const c_char) -> c_int {
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let status = luaL_loadstring(L, s);
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if status == 0 {
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lua::lua_pcall(L, 0, lua::LUA_MULTRET, 0)
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} else {
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status
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}
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}
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#[inline(always)]
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pub unsafe fn luaL_getmetatable(L: *mut lua_State, n: *const c_char) {
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lua::lua_getfield(L, lua::LUA_REGISTRYINDEX, n);
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}
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// luaL_opt would be implemented here but it is undocumented, so it's omitted
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#[cfg(feature = "lua53")]
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#[inline(always)]
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pub unsafe fn luaL_loadbuffer(
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L: *mut lua_State,
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s: *const c_char,
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sz: usize,
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n: *const c_char,
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) -> c_int {
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luaL_loadbufferx(L, s, sz, n, ptr::null())
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}
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// TODO: Add buffer API
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// omitted: old module system compatibility
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