rlua-lua51-sys 0.1.7

use std::mem;
use std::os::raw::{c_char, c_int, c_void};
use std::ptr;

#[allow(non_upper_case_globals)]
#[allow(non_camel_case_types)]
#[allow(non_snake_case)]
pub mod bindings;

pub const LUA_REGISTRYINDEX: c_int = bindings::LUA_REGISTRYINDEX as c_int;
pub const LUA_ENVIRONINDEX: c_int = bindings::LUA_ENVIRONINDEX as c_int;
pub const LUA_GLOBALSINDEX: c_int = bindings::LUA_GLOBALSINDEX as c_int;

pub const LUA_OK: c_int = 0;
pub const LUA_YIELD: c_int = bindings::LUA_YIELD as c_int;
pub const LUA_ERRRUN: c_int = bindings::LUA_ERRRUN as c_int;
pub const LUA_ERRSYNTAX: c_int = bindings::LUA_ERRSYNTAX as c_int;
pub const LUA_ERRMEM: c_int = bindings::LUA_ERRMEM as c_int;
pub const LUA_ERRERR: c_int = bindings::LUA_ERRERR as c_int;

pub const LUA_NOREF: c_int = bindings::LUA_NOREF as c_int;
pub const LUA_REFNIL: c_int = bindings::LUA_REFNIL as c_int;

pub const LUA_MULTRET: c_int = bindings::LUA_MULTRET as c_int;
pub const LUA_IDSIZE: c_int = bindings::LUA_IDSIZE as c_int;
pub const LUA_MINSTACK: c_int = bindings::LUA_MINSTACK as c_int;
// Not actually defined in lua.h / luaconf.h
pub const LUA_MAX_UPVALUES: c_int = 255;

pub const LUA_TNONE: c_int = bindings::LUA_TNONE as c_int;
pub const LUA_TNIL: c_int = bindings::LUA_TNIL as c_int;
pub const LUA_TBOOLEAN: c_int = bindings::LUA_TBOOLEAN as c_int;
pub const LUA_TLIGHTUSERDATA: c_int = bindings::LUA_TLIGHTUSERDATA as c_int;
pub const LUA_TNUMBER: c_int = bindings::LUA_TNUMBER as c_int;
pub const LUA_TSTRING: c_int = bindings::LUA_TSTRING as c_int;
pub const LUA_TTABLE: c_int = bindings::LUA_TTABLE as c_int;
pub const LUA_TFUNCTION: c_int = bindings::LUA_TFUNCTION as c_int;
pub const LUA_TUSERDATA: c_int = bindings::LUA_TUSERDATA as c_int;
pub const LUA_TTHREAD: c_int = bindings::LUA_TTHREAD as c_int;

pub const LUA_GCSTOP: c_int = bindings::LUA_GCSTOP as c_int;
pub const LUA_GCRESTART: c_int = bindings::LUA_GCRESTART as c_int;
pub const LUA_GCCOLLECT: c_int = bindings::LUA_GCCOLLECT as c_int;
pub const LUA_GCCOUNT: c_int = bindings::LUA_GCCOUNT as c_int;
pub const LUA_GCCOUNTB: c_int = bindings::LUA_GCCOUNTB as c_int;
pub const LUA_GCSTEP: c_int = bindings::LUA_GCSTEP as c_int;
#[deprecated(note = "please use `LUA_GCINC` instead")]
pub const LUA_GCSETPAUSE: c_int = bindings::LUA_GCSETPAUSE as c_int;
#[deprecated(note = "please use `LUA_GCINC` instead")]
pub const LUA_GCSETSTEPMUL: c_int = bindings::LUA_GCSETSTEPMUL as c_int;

pub const LUA_MASKCALL: c_int = bindings::LUA_MASKCALL as c_int;
pub const LUA_MASKRET: c_int = bindings::LUA_MASKRET as c_int;
pub const LUA_MASKLINE: c_int = bindings::LUA_MASKLINE as c_int;
pub const LUA_MASKCOUNT: c_int = bindings::LUA_MASKCOUNT as c_int;

pub use {
    bindings::LUA_AUTHORS, bindings::LUA_COPYRIGHT, bindings::LUA_VERSION,
    bindings::LUA_VERSION_NUM,
};

pub use {
    bindings::lua_getinfo, bindings::lua_getlocal, bindings::lua_getupvalue, bindings::lua_sethook,
    bindings::lua_setlocal, bindings::lua_setupvalue,
};

pub use {
    bindings::lua_Alloc, bindings::lua_CFunction, bindings::lua_Debug, bindings::lua_Integer,
    bindings::lua_Number, bindings::lua_State, bindings::lua_Writer,
};

/*
** state manipulation
*/
pub use {
    bindings::lua_atpanic, bindings::lua_close, bindings::lua_newstate, bindings::lua_newthread,
};

/*
** basic stack manipulation
*/
pub use {
    bindings::lua_checkstack, bindings::lua_gettop, bindings::lua_insert, bindings::lua_pushvalue,
    bindings::lua_remove, bindings::lua_replace, bindings::lua_settop, bindings::lua_xmove,
};

/*
** access functions (stack -> C)
*/
pub use {
    bindings::lua_equal, bindings::lua_iscfunction, bindings::lua_isnumber, bindings::lua_isstring,
    bindings::lua_isuserdata, bindings::lua_lessthan, bindings::lua_objlen, bindings::lua_rawequal,
    bindings::lua_toboolean, bindings::lua_tocfunction, bindings::lua_tointeger,
    bindings::lua_tolstring, bindings::lua_tonumber, bindings::lua_topointer,
    bindings::lua_tothread, bindings::lua_touserdata, bindings::lua_type, bindings::lua_typename,
};

/*
** push functions (C -> stack)
*/
pub use {
    bindings::lua_pushboolean, bindings::lua_pushcclosure, bindings::lua_pushfstring,
    bindings::lua_pushinteger, bindings::lua_pushlightuserdata, bindings::lua_pushlstring,
    bindings::lua_pushnil, bindings::lua_pushnumber, bindings::lua_pushstring,
    bindings::lua_pushthread, bindings::lua_pushvfstring,
};

/*
** get functions (Lua -> stack)
*/
pub use {
    bindings::lua_createtable, bindings::lua_getfenv, bindings::lua_getfield,
    bindings::lua_getmetatable, bindings::lua_gettable, bindings::lua_newuserdata,
    bindings::lua_rawget, bindings::lua_rawgeti,
};

/*
** set functions (stack -> Lua)
*/
pub use {
    bindings::lua_rawset, bindings::lua_rawseti, bindings::lua_setfenv, bindings::lua_setfield,
    bindings::lua_setmetatable, bindings::lua_settable,
};

/*
** `load' and `call' functions (load and run Lua code)
*/
pub use {bindings::lua_call, bindings::lua_cpcall, bindings::lua_load, bindings::lua_pcall};

/*
** coroutine functions
*/
pub use {bindings::lua_resume, bindings::lua_status};

/*
** garbage-collection function and options
*/
pub use bindings::lua_gc;

/*
** miscellaneous functions
*/
pub use {
    bindings::lua_concat, bindings::lua_dump, bindings::lua_error, bindings::lua_getallocf,
    bindings::lua_next, bindings::lua_setallocf,
};

/*
** lauxlib.h
*/
pub use {
    bindings::luaL_addlstring, bindings::luaL_addstring, bindings::luaL_addvalue,
    bindings::luaL_argerror, bindings::luaL_buffinit, bindings::luaL_callmeta,
    bindings::luaL_checkany, bindings::luaL_checkinteger, bindings::luaL_checklstring,
    bindings::luaL_checknumber, bindings::luaL_checkoption, bindings::luaL_checkstack,
    bindings::luaL_checktype, bindings::luaL_checkudata, bindings::luaL_error,
    bindings::luaL_findtable, bindings::luaL_getmetafield, bindings::luaL_gsub,
    bindings::luaL_loadbuffer, bindings::luaL_loadfile, bindings::luaL_loadstring,
    bindings::luaL_newmetatable, bindings::luaL_newstate, bindings::luaL_optinteger,
    bindings::luaL_optlstring, bindings::luaL_optnumber, bindings::luaL_prepbuffer,
    bindings::luaL_pushresult, bindings::luaL_ref, bindings::luaL_register,
    bindings::luaL_typerror, bindings::luaL_unref, bindings::luaL_where,
};

/*
** lualib.h
*/
pub use {
    bindings::luaopen_base, bindings::luaopen_debug, bindings::luaopen_io, bindings::luaopen_math,
    bindings::luaopen_os, bindings::luaopen_package, bindings::luaopen_string,
    bindings::luaopen_table,
};

// The following are re-implementations of what are macros in the Lua C API
pub unsafe fn lua_getextraspace(state: *mut lua_State) -> *mut c_void {
    (state as *mut c_void).offset(-(mem::size_of::<*mut c_void>() as isize))
}

pub unsafe fn lua_pop(state: *mut lua_State, n: c_int) {
    lua_settop(state, -(n) - 1);
}
pub unsafe fn lua_isfunction(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TFUNCTION as i32;
}
pub unsafe fn lua_istable(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TTABLE as i32;
}
pub unsafe fn lua_islightuserdata(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TLIGHTUSERDATA as i32;
}
pub unsafe fn lua_isnil(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TNIL as i32;
}
pub unsafe fn lua_isboolean(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TBOOLEAN as i32;
}
pub unsafe fn lua_isthread(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TTHREAD as i32;
}
pub unsafe fn lua_isnone(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TNONE as i32;
}
pub unsafe fn lua_isnoneornil(state: *mut lua_State, n: c_int) -> bool {
    return lua_type(state, n) == LUA_TNONE as i32;
}

pub unsafe fn lua_newtable(state: *mut lua_State) {
    lua_createtable(state, 0, 0);
}

pub unsafe fn lua_pushcfunction(state: *mut lua_State, f: lua_CFunction) {
    lua_pushcclosure(state, f, 0);
}

pub unsafe fn lua_tostring(state: *mut lua_State, i: c_int) -> *const c_char {
    return lua_tolstring(state, i, ptr::null_mut());
}
pub unsafe fn lua_upvalueindex(index: c_int) -> i32 {
    return LUA_GLOBALSINDEX - index;
}

pub unsafe fn lua_register(
    state: *mut lua_State,
    n: *const ::std::os::raw::c_char,
    f: lua_CFunction,
) {
    lua_pushcfunction(state, f);
    lua_setglobal(state, n);
}

pub unsafe fn lua_setglobal(state: *mut lua_State, k: *const ::std::os::raw::c_char) {
    lua_setfield(state, LUA_GLOBALSINDEX, k);
}
pub unsafe fn lua_getglobal(state: *mut lua_State, k: *const ::std::os::raw::c_char) {
    lua_getfield(state, LUA_GLOBALSINDEX, k);
}