progenitor/example-build/build.rs

25 lines
676 B
Rust

// Copyright 2022 Oxide Computer Company
use std::{
env,
fs::{self, File},
path::Path,
};
fn main() {
let src = "../sample_openapi/keeper.json";
println!("cargo:rerun-if-changed={}", src);
let file = File::open(src).unwrap();
let spec = serde_json::from_reader(file).unwrap();
let mut generator = progenitor::Generator::default();
let tokens = generator.generate_tokens(&spec).unwrap();
let ast = syn::parse2(tokens).unwrap();
let content = prettyplease::unparse(&ast);
let mut out_file = Path::new(&env::var("OUT_DIR").unwrap()).to_path_buf();
out_file.push("codegen.rs");
fs::write(out_file, content).unwrap();
}