use std::path::Path; use std::process::Command; use std::{env, fs}; use anyhow::Context; use proc_macro2::{Ident, Span}; mod block; mod enchant; mod item; mod sound; mod translation_key; pub fn main() -> anyhow::Result<()> { println!("cargo:rerun-if-changed=../../extracted/"); let generators = [ (block::build as fn() -> _, "block.rs"), (enchant::build, "enchant.rs"), (item::build, "item.rs"), (sound::build, "sound.rs"), (translation_key::build, "translation_key.rs"), ]; let out_dir = env::var_os("OUT_DIR").context("failed to get OUT_DIR env var")?; for (gen, file_name) in generators { let path = Path::new(&out_dir).join(file_name); let code = gen()?.to_string(); fs::write(&path, code)?; // Format the output for debugging purposes. // Doesn't matter if rustfmt is unavailable. let _ = Command::new("rustfmt").arg(path).output(); } Ok(()) } fn ident(s: impl AsRef) -> Ident { let s = s.as_ref().trim(); match s.as_bytes() { // TODO: check for the other rust keywords. [b'0'..=b'9', ..] | b"type" => Ident::new(&format!("_{s}"), Span::call_site()), _ => Ident::new(s, Span::call_site()), } }