blob: c99bdd891146ade8155d80bfc162a824039fc065 [file] [log] [blame] [edit]
// Copyright 2023, Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::{Path, PathBuf};
fn main() {
generate_module(&Path::new("src/uci_packets.pdl").canonicalize().unwrap());
}
fn generate_module(in_file: &Path) {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let mut out_file = File::create(
out_dir
.join(in_file.file_name().unwrap())
.with_extension("rs"),
)
.unwrap();
println!("cargo:rerun-if-changed={}", in_file.display());
let mut sources = pdl_compiler::ast::SourceDatabase::new();
let parsed_file = pdl_compiler::parser::parse_file(
&mut sources,
in_file.to_str().expect("Filename is not UTF-8"),
)
.expect("PDL parse failed");
let analyzed_file = pdl_compiler::analyzer::analyze(&parsed_file).expect("PDL analysis failed");
let rust_source = pdl_compiler::backends::rust_legacy::generate(&sources, &analyzed_file);
out_file
.write_all(rust_source.as_bytes())
.expect("Could not write to output file");
}