g-code 0.2.0

GCode parsing and emission
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# g-code

![g-code](https://github.com/sameer/g-code/workflows/g-code/badge.svg) [![codecov](https://codecov.io/gh/sameer/g-code/branch/main/graph/badge.svg?token=BXZQBMCAMI)](https://codecov.io/gh/sameer/g-code)

A joint crate for GCode parsing and emission.

## Parsing

The parser is written in Rust using [peg](https://github.com/kevinmehall/rust-peg).

### Demo

```
cargo run --example parse ./tests/vandy_commodores_logo.gcode
```

Output: https://gist.github.com/sameer/5fe20dad6faa6329926df48b82e68581


## Emission

Basic primitives for GCode emission.

### Demo

See [svg2gcode](https://github.com/sameer/svg2gcode).

## TODOs

### Parse
* [ ] GCode parameters 
* [ ] GCode infix notation

### Emit
* [ ] Remaining commonly-used commands
* [ ] Automated line number, newline, and checksum insertion
* [ ] EOL and inline comments

## References

* https://www.reprap.org/wiki/G-code
* NIST Interpreter: https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=823374
* https://en.wikipedia.org/wiki/G-code