proto_build_kit/
errors.rs

1// SPDX-License-Identifier: MIT
2
3/// Errors surfaced by the `proto-build-kit` primitives.
4#[derive(Debug, thiserror::Error)]
5pub enum Error {
6    /// I/O failure (tempdir creation, file write, parent-dir mkdir).
7    #[error("io: {0}")]
8    Io(#[from] std::io::Error),
9
10    /// `Stager::stage()` detected two entries writing to the same
11    /// protoc-relative path.
12    #[error("duplicate proto staged at {path:?}")]
13    DuplicatePath {
14        /// The relative path declared twice.
15        path: String,
16    },
17
18    /// `protox` failed to parse one of the `.proto` files.
19    #[error("protox compile: {0}")]
20    Protox(#[from] Box<protox::Error>),
21
22    /// `prost-reflect` descriptor-pool construction failed.
23    #[error("descriptor pool: {0}")]
24    DescriptorPool(#[from] prost_reflect::DescriptorError),
25
26    /// `tonic-prost-build` codegen failed (only surfaced when the
27    /// `tonic` feature is enabled).
28    #[cfg(feature = "tonic")]
29    #[error("tonic-build codegen: {0}")]
30    Tonic(#[source] Box<dyn std::error::Error + Send + Sync>),
31}
32
33// `protox::Error` is large; box it to keep the enum cheap to move.
34impl From<protox::Error> for Error {
35    fn from(e: protox::Error) -> Self {
36        Error::Protox(Box::new(e))
37    }
38}
proto_build_kit/errors.rs

proto_build_kit/
errors.rs
