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[](https://travis-ci.org/giann/fengari) [](https://opensource.org/licenses/MIT)
<p align="center">
<img src="https://github.com/giann/fengari/raw/master/logo.png" alt="Fengari" width="304" height="304">
</p>
# fengari
🐺 φεγγάρι - A Lua VM written in JS ES6 targeting the browser
## So far
- [x] Lexing/Parsing
- [x] Parse bytecode
- [x] Opcodes
- [ ] Basic types representation:
- [x] nil
- [x] boolean
- [x] table
- [ ] weak table
- [x] function
- [x] string (8-bit clean)
- [x] number (32-bit)
- [x] userdata
- [x] Tag Methods
- [ ] C API
- [x] ...
- [ ] lua_arith
- [ ] lua_close
- [ ] lua_gethook
- [ ] lua_gethookcount
- [ ] lua_gethookmask
- [ ] lua_geti
- [ ] lua_getinfo
- [ ] lua_getstack
- [ ] lua_getupvalue
- [ ] lua_isboolean
- [ ] lua_islightuserdata
- [ ] lua_isuserdata
- [ ] lua_pcallk
- [ ] lua_pushfstring
- [ ] lua_pushlightuserdata
- [ ] lua_pushvfstring
- [ ] lua_rawseti
- [ ] lua_register
- [ ] lua_setallocf
- [ ] lua_tocfunction
- [ ] Auxiliary library
- [x] ...
- [ ] luaL_addsize
- [ ] luaL_checkoption
- [ ] luaL_checkudata
- [ ] luaL_checkversion
- [ ] luaL_dofile
- [ ] luaL_dostring
- [ ] luaL_execresult
- [ ] luaL_fileresult
- [ ] luaL_getmetatable
- [ ] luaL_gsub
- [ ] luaL_newlibtable
- [ ] luaL_newmetatable
- [ ] luaL_optnumber
- [ ] luaL_optstring
- [ ] luaL_prepbuffer
- [ ] luaL_pushresultsize
- [ ] luaL_ref
- [ ] luaL_setmetatable
- [ ] luaL_testudata
- [ ] luaL_unref
- [ ] Standard library
- [x] Base lib
- [x] Coroutine
- [x] Table
- [x] Math
- [x] utf8
- [x] String
- [ ] Package
- [ ] os
- [ ] io
- [ ] Debug
- [x] debug.debug
- [x] debug.getinfo
- [x] debug.getlocal
- [x] debug.getmetatable
- [x] debug.getregistry
- [x] debug.getupvalue
- [x] debug.getuservalue
- [x] debug.sethook
- [x] debug.setlocal
- [x] debug.setmetatable
- [x] debug.setupvalue
- [x] debug.setuservalue
- [x] debug.traceback
- [x] debug.upvalueid
- [x] debug.upvaluejoin
- [ ] debug.gethook
- [ ] Run [Lua test suite](https://github.com/lua/tests)
- [ ] DOM API binding
## References
- [Source code for Lua 5.3](lua.org/source/5.3/)
- [Lua 5.2 Bytecode and Virtual Machine](http://files.catwell.info/misc/mirror/lua-5.2-bytecode-vm-dirk-laurie/lua52vm.html)
- [Lua 5.3 Bytecode Reference](http://the-ravi-programming-language.readthedocs.io/en/latest/lua_bytecode_reference.html)
- [A No-Frills Introduction to Lua 5.1 VM Instructions](http://luaforge.net/docman/83/98/ANoFrillsIntroToLua51VMInstructions.pdf)
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