objdiff-core 3.7.3

A local diffing tool for decompilation projects.
Documentation 
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#[cfg(feature = "any-arch")]
mod config_gen;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    #[cfg(feature = "bindings")]
    compile_protos();
    #[cfg(feature = "any-arch")]
    config_gen::generate_diff_config();
    Ok(())
}

#[cfg(feature = "bindings")]
fn compile_protos() {
    use std::path::{Path, PathBuf};
    let root = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("protos");
    let descriptor_path = root.join("proto_descriptor.bin");
    println!("cargo:rerun-if-changed={}", descriptor_path.display());
    let descriptor_mtime = std::fs::metadata(&descriptor_path)
        .map(|m| m.modified().unwrap())
        .unwrap_or(std::time::SystemTime::UNIX_EPOCH);
    let mut run_protoc = false;
    let proto_files = root
        .read_dir()
        .unwrap()
        .filter_map(|e| {
            let e = e.unwrap();
            let path = e.path();
            (path.extension() == Some(std::ffi::OsStr::new("proto"))).then_some(path)
        })
        .collect::<Vec<_>>();
    for proto_file in &proto_files {
        println!("cargo:rerun-if-changed={}", proto_file.display());
        let mtime = match std::fs::metadata(proto_file) {
            Ok(m) => m.modified().unwrap(),
            Err(e) => panic!("Failed to stat proto file {}: {:?}", proto_file.display(), e),
        };
        if mtime > descriptor_mtime {
            run_protoc = true;
        }
    }

    fn prost_config(descriptor_path: &Path, run_protoc: bool) -> prost_build::Config {
        let mut config = prost_build::Config::new();
        config.file_descriptor_set_path(descriptor_path);
        // If our cached descriptor is up-to-date, we don't need to run protoc.
        // This is helpful so that users don't need to have protoc installed
        // unless they're updating the protos.
        if !run_protoc {
            config.skip_protoc_run();
        }
        config
    }
    if let Err(e) =
        prost_config(&descriptor_path, run_protoc).compile_protos(&proto_files, &[root.as_path()])
    {
        if e.kind() == std::io::ErrorKind::NotFound && e.to_string().contains("protoc") {
            eprintln!("protoc not found, skipping protobuf compilation");
            prost_config(&descriptor_path, false)
                .compile_protos(&proto_files, &[root.as_path()])
                .expect("Failed to compile protos");
        } else {
            panic!("Failed to compile protos: {e:?}");
        }
    }

    #[cfg(feature = "serde")]
    {
        let descriptor_set = std::fs::read(descriptor_path).expect("Failed to read descriptor set");
        pbjson_build::Builder::new()
            .register_descriptors(&descriptor_set)
            .expect("Failed to register descriptors")
            .preserve_proto_field_names()
            .build(&[".objdiff"])
            .expect("Failed to build pbjson");
    }
}