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Update collectgarbage for Luau: support more options

This commit is contained in:
Alex Orlenko 2022-04-13 20:50:50 +01:00
parent 88e3e92009
commit 17473269f8
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GPG Key ID: 4C150C250863B96D
1 changed files with 24 additions and 8 deletions
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32
src/luau.rs
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@ -29,26 +29,42 @@ impl Lua {
unsafe extern "C" fn lua_collectgarbage(state: *mut ffi::lua_State) -> c_int {
let option = ffi::luaL_optstring(state, 1, cstr!("collect"));
let option = CStr::from_ptr(option);
let arg = ffi::luaL_optinteger(state, 2, 0);
match option.to_str() {
Ok("collect") => {
ffi::lua_gc(state, ffi::LUA_GCCOLLECT, 0);
0
}
Ok("stop") => {
ffi::lua_gc(state, ffi::LUA_GCSTOP, 0);
0
}
Ok("restart") => {
ffi::lua_gc(state, ffi::LUA_GCRESTART, 0);
0
}
Ok("count") => {
let n = ffi::lua_gc(state, ffi::LUA_GCCOUNT, 0);
ffi::lua_pushnumber(state, n as ffi::lua_Number);
let kbytes = ffi::lua_gc(state, ffi::LUA_GCCOUNT, 0) as ffi::lua_Number;
let kbytes_rem = ffi::lua_gc(state, ffi::LUA_GCCOUNTB, 0) as ffi::lua_Number;
ffi::lua_pushnumber(state, kbytes + kbytes_rem / 1024.0);
1
}
// TODO: More variants
_ => ffi::luaL_error(
state,
cstr!("collectgarbage must be called with 'count' or 'collect'"),
),
Ok("step") => {
let res = ffi::lua_gc(state, ffi::LUA_GCSTEP, arg);
ffi::lua_pushboolean(state, res);
1
}
Ok("isrunning") => {
let res = ffi::lua_gc(state, ffi::LUA_GCISRUNNING, 0);
ffi::lua_pushboolean(state, res);
1
}
_ => ffi::luaL_error(state, cstr!("collectgarbage called with invalid option")),
}
}
fn lua_require(lua: &Lua, name: Option<std::string::String>) -> Result<Value> {
let name = name.ok_or_else(|| Error::RuntimeError("name is nil".into()))?;
let name = name.ok_or_else(|| Error::RuntimeError("invalid module name".into()))?;
// Find module in the cache
let loaded = unsafe {