Implement metatype proc-macro

crates/luaffi/Cargo.toml

@@ -9,3 +9,4 @@ luaffi_impl = { version = "0.1.0", path = "../luaffi_impl" }
 luaify = { version = "0.1.0", path = "../luaify" }
 rustc-hash = "2.1.1"
 simdutf8 = "0.1.5"
+static_assertions = "1.1.0"

crates/luaffi/src/internal.rs

@@ -1,4 +1,6 @@
+pub use luaify::*;
 use rustc_hash::FxHasher;
+pub use static_assertions::*;
 use std::{
     any::TypeId,
     fmt::{self, Display, Formatter},

crates/luaffi/test.lua

@@ -1,114 +0,0 @@
--- automatically generated by luaffi 0.1.0
-local table, string, math, coroutine, package, debug, jit, bit, ffi, new, clear =
-  table,
-  string,
-  math,
-  coroutine,
-  package,
-  debug,
-  jit,
-  require("bit"),
-  require("ffi"),
-  require("table.new"),
-  require("table.clear")
-local assert, error, type, print, pcall, xpcall, getfenv, setfenv, getmetatable, setmetatable, pairs, ipairs, next, rawget, rawset, rawequal, select, tonumber, tostring, require, concat, insert, maxn, remove, sort, strlen, format, strsub, gsub, gmatch, dump, random, yield, traceback, C, cdef, typeof, metatype, cast, gc, tobit, tohex, bnot, band, bor, bxor, lshift, rshift, arshift, rol, ror, bswap =
-  assert,
-  error,
-  type,
-  print,
-  pcall,
-  xpcall,
-  getfenv,
-  setfenv,
-  getmetatable,
-  setmetatable,
-  pairs,
-  ipairs,
-  next,
-  rawget,
-  rawset,
-  rawequal,
-  select,
-  tonumber,
-  tostring,
-  require,
-  table.concat,
-  table.insert,
-  table.maxn,
-  table.remove,
-  table.sort,
-  string.len,
-  string.format,
-  string.sub,
-  string.gsub,
-  string.gmatch,
-  string.dump,
-  math.random,
-  coroutine.yield,
-  debug.traceback,
-  ffi.C,
-  ffi.cdef,
-  ffi.typeof,
-  ffi.metatype,
-  ffi.cast,
-  ffi.gc,
-  bit.tobit,
-  bit.tohex,
-  bit.bnot,
-  bit.band,
-  bit.bor,
-  bit.bxor,
-  bit.lshift,
-  bit.rshift,
-  bit.arshift,
-  bit.rol,
-  bit.ror,
-  bit.bswap
-cdef([[void (*luaffi_keep)(void const *);
-bool (*luaffi_is_utf8)(uint8_t const *, uintptr_t );
-struct Test  { } __attribute__((aligned(1)));
-struct lua_buf  { uint8_t *__ptr; uintptr_t __len; } __attribute__((aligned(8)));
-struct option__lua_buf  { int32_t __tag; struct lua_buf __value; } __attribute__((aligned(8)));
-struct option__uint32_t  { int32_t __tag; uint32_t __value; } __attribute__((aligned(4)));
-struct option__void  { int32_t __tag; void __value; } __attribute__((aligned(4)));
-]])
-local Test = typeof("struct Test ")
-local lua_buf = typeof("struct lua_buf ")
-do
-  local __mt, __idx = {}, {}
-  __mt.__index = __idx
-  metatype(lua_buf, __mt)
-end
-local option__lua_buf = typeof("struct option__lua_buf ")
-local option__uint32_t = typeof("struct option__uint32_t ")
-local option__void = typeof("struct option__void ")
-do
-  local __mt, __idx = {}, {}
-  __mt.__index = __idx
-  __idx.method = function(my_arg, other)
-    local __keep_my_arg = my_arg
-    if my_arg == nil then
-      my_arg = option__lua_buf()
-    else
-      assert(type(my_arg) == "string", "expected string in argument 'my_arg', got " .. type(my_arg))
-      assert(C.luaffi_is_utf8(my_arg, #my_arg), "argument 'my_arg' must be a valid utf8 string")
-      my_arg = lua_buf(my_arg, #my_arg)
-      my_arg = option__lua_buf(1, my_arg)
-    end
-    if other == nil then
-      other = option__uint32_t()
-    else
-      assert(type(other) == "number", "expected number in argument 'other', got " .. type(other))
-      other = option__uint32_t(1, other)
-    end
-    local res = C.test_fn_impl(my_arg, other)
-    if res.__tag == 0 then
-      res = nil
-    else
-      res = res.__value
-    end
-    C.luaffi_keep(__keep_my_arg)
-    return res
-  end
-  metatype(Test, __mt)
-end