r2r/build.rs

53 lines
1.5 KiB
Rust

use common::*;
use msg_gen::*;
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;
fn main() {
let msgs_str = read_file("./msgs.txt").expect("You need to create msgs.txt");
let msgs_list = parse_msgs(&msgs_str);
let msgs = as_map(&msgs_list);
let mut codegen = String::new();
for (module, prefixes) in &msgs {
println!(
"cargo:rustc-link-lib=dylib={}__rosidl_typesupport_c",
module
);
println!(
"cargo:rustc-link-lib=dylib={}__rosidl_typesupport_introspection_c",
module
);
println!("cargo:rustc-link-lib=dylib={}__rosidl_generator_c", module);
codegen.push_str(&format!("pub mod {} {{\n", module));
for (prefix, msgs) in prefixes {
codegen.push_str(&format!(" pub mod {} {{\n", prefix));
codegen.push_str(" use super::super::*;\n");
for msg in msgs {
codegen.push_str(&generate_rust_msg(module, prefix, msg));
}
codegen.push_str(" }\n");
}
codegen.push_str("}\n");
}
let untyped_helper = generate_untyped_helper(&msgs_list);
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
let msgs_fn = out_path.join("generated_msgs.rs");
let untyped_fn = out_path.join("generated_untyped_helper.rs");
let mut f = File::create(msgs_fn).unwrap();
write!(f, "{}", codegen).unwrap();
let mut f = File::create(untyped_fn).unwrap();
write!(f, "{}", untyped_helper).unwrap();
}