34 lines
1.0 KiB
Rust
34 lines
1.0 KiB
Rust
//! Compiles Protocol Buffers definitions into native Rust types
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use std::env;
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use std::path::PathBuf;
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type Error = Box<dyn std::error::Error>;
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type Result<T, E = Error> = std::result::Result<T, E>;
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fn main() -> Result<()> {
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let root = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("protos");
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let proto_files = vec![root.join("syntax3.proto")];
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// Tell cargo to recompile if any of these proto files are changed
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for proto_file in &proto_files {
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println!("cargo:rerun-if-changed={}", proto_file.display());
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}
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let descriptor_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("proto_descriptor.bin");
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prost_build::Config::new()
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.file_descriptor_set_path(&descriptor_path)
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.compile_well_known_types()
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.disable_comments(&["."])
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.bytes(&[".test"])
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.compile_protos(&proto_files, &[root])?;
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let descriptor_set = std::fs::read(descriptor_path)?;
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pbjson_build::Builder::new()
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.register_descriptors(&descriptor_set)?
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.build(&[".test"])?;
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Ok(())
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}
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