11 releases (breaking)
0.9.1 | Oct 26, 2024 |
---|---|
0.8.0 | Oct 24, 2024 |
#340 in Programming languages
41 downloads per month
Used in 2 crates
435KB
11K
SLoC
lua_rust
lua syntax parser & runtime interpreter in Rust
- LALR(1), GLR parser
- 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 forlua numeric
type
How to use
As Library
add lua_ir
crate to your Cargo.toml
[dependencies]
lua_ir = "..."
let mut 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() )?;
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 publish
ed.
Dependencies
~1.8–9MB
~69K SLoC