fm_bindings/
error.rs

1// src/error.rs
2// Error types for Foundation Models bindings
3
4use std::fmt;
5
6/// Errors that can occur when using Foundation Models
7#[derive(Debug, Clone)]
8pub enum Error {
9    /// The Foundation Model is not available on this system
10    /// This typically means Apple Intelligence is not enabled
11    ModelNotAvailable,
12
13    /// The system returned an error during generation
14    GenerationError(String),
15
16    /// Invalid input was provided (e.g., empty prompt)
17    InvalidInput(String),
18
19    /// An internal FFI error occurred
20    InternalError(String),
21
22    /// A mutex or synchronization primitive was poisoned
23    /// This indicates a panic occurred while holding a lock
24    PoisonError,
25}
26
27impl fmt::Display for Error {
28    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
29        match self {
30            Error::ModelNotAvailable => {
31                write!(
32                    f,
33                    "Foundation Model not available. Enable Apple Intelligence in System Settings."
34                )
35            }
36            Error::GenerationError(msg) => {
37                write!(f, "Generation error: {}", msg)
38            }
39            Error::InvalidInput(msg) => {
40                write!(f, "Invalid input: {}", msg)
41            }
42            Error::InternalError(msg) => {
43                write!(f, "Internal error: {}", msg)
44            }
45            Error::PoisonError => {
46                write!(
47                    f,
48                    "Synchronization primitive poisoned due to panic while holding lock"
49                )
50            }
51        }
52    }
53}
54
55impl std::error::Error for Error {}
56
57/// Result type alias for Foundation Models operations
58pub type Result<T> = std::result::Result<T, Error>;
fm_bindings/error.rs

fm_bindings/
error.rs
