187 lines
5.6 KiB
Rust
187 lines
5.6 KiB
Rust
//! Contains definitions from `lauxlib.h`.
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use std::os::raw::{c_char, c_int, 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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// Extra error code for 'luaL_loadfilex'
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pub const LUA_ERRFILE: c_int = lua::LUA_ERRERR + 1;
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// Key, in the registry, for table of loaded modules
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pub const LUA_LOADED_TABLE: &str = "_LOADED";
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// Key, in the registry, for table of preloaded loaders
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pub const LUA_PRELOAD_TABLE: &str = "_PRELOAD";
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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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extern "C" {
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pub fn luaL_checkversion_(L: *mut lua_State, ver: lua_Number, sz: usize);
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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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pub fn luaL_callmeta(L: *mut lua_State, obj: c_int, e: *const c_char) -> c_int;
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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, extramsg: *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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pub fn luaL_newmetatable(L: *mut lua_State, tname: *const c_char) -> c_int;
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pub fn luaL_setmetatable(L: *mut lua_State, tname: *const c_char);
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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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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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pub fn luaL_fileresult(L: *mut lua_State, stat: c_int, fname: *const c_char) -> c_int;
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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#ref: c_int);
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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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}
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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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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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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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pub fn luaL_len(L: *mut lua_State, idx: c_int) -> lua_Integer;
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// TODO: luaL_addgsub
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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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pub fn luaL_setfuncs(L: *mut lua_State, l: *const luaL_Reg, nup: c_int);
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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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pub fn luaL_traceback(L: *mut lua_State, L1: *mut lua_State, msg: *const c_char, level: c_int);
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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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//
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// Some useful macros (implemented as Rust functions)
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//
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// TODO: luaL_newlibtable, luaL_newlib
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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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#[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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#[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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//
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// TODO: Generic Buffer Manipulation
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//
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