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# fengari
🐺 φεγγάρι - A Lua VM written in JS ES6 targeting the browser
## So far
- [x] Parse bytecode
- [ ] VM
- [ ] Opcodes
- [x] `OP_MOVE`
- [x] `OP_LOADK`
- [x] `OP_LOADKX`
- [x] `OP_LOADBOOL`
- [x] `OP_LOADNIL`
- [x] `OP_GETUPVAL`
- [x] `OP_SETUPVAL`
- [x] `OP_GETTABUP`
- [x] `OP_GETTABLE`
- [x] `OP_SETTABUP`
- [x] `OP_SETTABLE`
- [x] `OP_NEWTABLE`
- [x] `OP_SELF`
- [x] `OP_ADD`
- [x] `OP_SUB`
- [x] `OP_MUL`
- [x] `OP_MOD`
- [x] `OP_POW`
- [x] `OP_DIV`
- [x] `OP_IDIV`
- [x] `OP_BAND`
- [x] `OP_BOR`
- [x] `OP_BXOR`
- [x] `OP_SHL`
- [x] `OP_SHR`
- [x] `OP_UNM`
- [x] `OP_BNOT`
- [x] `OP_NOT`
- [ ] `OP_LEN`
- [ ] `OP_CONCAT`
- [x] `OP_JMP`
- [x] `OP_EQ`
- [x] `OP_LT`
- [x] `OP_LE`
- [x] `OP_TEST`
- [x] `OP_TESTSET`
- [x] `OP_CALL`
- [x] `OP_TAILCALL`
- [x] `OP_RETURN`
- [x] `OP_FORLOOP`
- [x] `OP_FORPREP`
- [x] `OP_TFORCALL`
- [x] `OP_TFORLOOP`
- [x] `OP_SETLIST`
- [x] `OP_CLOSURE`
- [x] `OP_VARARG`
- [x] `OP_EXTRAARG`
- [ ] Tag Methods
- [ ] `__index`
- [ ] `__newindex`
- [x] `__gc` (unavailable)
- [ ] `__mode`
- [ ] `__len`
- [ ] `__eq`
- [ ] `__add`
- [ ] `__sub`
- [ ] `__mul`
- [ ] `__mod`
- [ ] `__pow`
- [ ] `__div`
- [ ] `__idiv`
- [ ] `__band`
- [ ] `__bor`
- [ ] `__bxor`
- [ ] `__shl`
- [ ] `__shr`
- [ ] `__unm`
- [ ] `__bnot`
- [ ] `__lt`
- [ ] `__le`
- [ ] `__concat`
- [ ] `__call`
- [ ] Debug (errors)
- [ ] C API
- [ ] stdlib
- [ ] DOM API binding
- [ ] Parse Lua
- [ ] Generate bytecode
## 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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