1 use std::path::PathBuf;
6 // The src directory (we are in src/tools/error_index_generator)
7 // Note that we could skip one of the .. but this ensures we at least loosely find the right
9 let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
11 let error_codes_path = "../../../compiler/rustc_error_codes/src/error_codes.rs";
13 println!("cargo:rerun-if-changed={}", error_codes_path);
14 let file = fs::read_to_string(error_codes_path)
16 .replace(": include_str!(\"./error_codes/", ": include_str!(\"./");
17 let contents = format!("(|| {{\n{}\n}})()", file);
18 fs::write(&out_dir.join("all_error_codes.rs"), &contents).unwrap();
20 // We copy the md files as well to the target directory.
21 for entry in WalkDir::new("../../../compiler/rustc_error_codes/src/error_codes") {
22 let entry = entry.unwrap();
23 match entry.path().extension() {
24 Some(s) if s == "md" => {}
27 println!("cargo:rerun-if-changed={}", entry.path().to_str().unwrap());
28 let md_content = fs::read_to_string(entry.path()).unwrap();
29 fs::write(&out_dir.join(entry.file_name()), &md_content).unwrap();