onnx_runtime_optimizer/
error.rs

1//! Error types for the optimizer crate.
2//!
3//! Mirrors the two-layer error style of `onnx-runtime-ir`: structural graph
4//! defects surface as [`GraphError`](onnx_runtime_ir::GraphError)s, wrapped
5//! here in the crate-level [`OptimizerError`].
6
7use onnx_runtime_ir::{GraphError, IrError};
8
9/// A convenience `Result` alias for optimizer operations.
10pub type Result<T> = std::result::Result<T, OptimizerError>;
11
12/// Crate-level error for the optimization pipeline.
13#[derive(Debug, thiserror::Error)]
14pub enum OptimizerError {
15    /// A pass left the graph in a structurally invalid state. Raised by the
16    /// default [`OptimizationPass::postconditions`](crate::OptimizationPass::postconditions)
17    /// check (debug builds).
18    #[error("graph invariant violated after pass '{pass}': {errors:?}")]
19    PostconditionFailed {
20        /// The pass whose postcondition failed.
21        pass: String,
22        /// The structural defects found by `graph.validate()`.
23        errors: Vec<GraphError>,
24    },
25
26    /// A rewrite requested an operation the IR rejected.
27    #[error(transparent)]
28    Ir(#[from] IrError),
29
30    /// A fusion could not be applied safely (e.g. malformed match).
31    #[error("fusion '{0}' could not be applied")]
32    Fusion(String),
33}
34
35impl From<Vec<GraphError>> for OptimizerError {
36    fn from(errors: Vec<GraphError>) -> Self {
37        OptimizerError::Ir(IrError::GraphInvalid(errors))
38    }
39}
onnx_runtime_optimizer/error.rs

onnx_runtime_optimizer/
error.rs
