lua_rust

lua syntax parser & runtime interpreter in Rust

• LALR(1), GLR parser with RustyLR
• syntax referenced from lua 5.4 reference manual
• Greatly in progress
  • grammar fully implemented
  • std library barely implemented

Cargo Features

• 32bit: use 32bit integer and float for lua numeric type

How to use

As REPL interpreter

clone this repository and simply run

$ cargo run <source_file.lua>

or

$ cargo run

will start lua REPL. Note that this executable is not cargo published.

As Library

add lua_ir crate to your Cargo.toml

[dependencies]
lua_ir = "..."

letmut env = lua_ir::LuaEnv::new();
env.eval_chunk(b"var_hello = 'Hello'")?;
env.eval_chunk(b"var_world = 'World'")?;
env.eval_chunk(b"print( var_hello .. ', ' .. var_world .. '!' )")?;// Hello, World!let hello_value = env.get_global("var_hello")?;let world_value = env.get_global("var_world")?;
env.set_global("var_hello",10.into())?;