102 lines
2.1 KiB
Rust
102 lines
2.1 KiB
Rust
use core::fmt;
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use core::convert::Infallible;
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use moa_host::HostError;
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use emulator_hal::Error as EmuError;
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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pub enum EmulatorErrorKind {
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Misc,
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MemoryAlignment,
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}
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#[derive(Clone, Debug)]
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pub enum Error {
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Assertion(String),
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Breakpoint(String),
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Emulator(EmulatorErrorKind, String),
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Processor(u32),
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Other(String),
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}
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impl Default for Error {
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fn default() -> Self {
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Self::Other("default".to_string())
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}
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}
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impl From<Infallible> for Error {
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fn from(err: Infallible) -> Self {
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Error::new("infallible".to_string())
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}
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}
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#[cfg(feature = "std")]
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impl std::error::Error for Error {}
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/*
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impl<E> From<E> for Error
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where
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E: EmuError,
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{
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fn from(err: E) -> Self {
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Error::new(format!("{}", err))
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}
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}
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*/
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impl Error {
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pub fn new<S>(msg: S) -> Error
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where
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S: Into<String>,
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{
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Error::Emulator(EmulatorErrorKind::Misc, msg.into())
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}
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pub fn emulator<S>(kind: EmulatorErrorKind, msg: S) -> Error
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where
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S: Into<String>,
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{
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Error::Emulator(kind, msg.into())
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}
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pub fn processor(native: u32) -> Error {
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Error::Processor(native)
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}
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pub fn breakpoint<S>(msg: S) -> Error
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where
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S: Into<String>,
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{
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Error::Breakpoint(msg.into())
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}
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pub fn assertion<S>(msg: S) -> Error
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where
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S: Into<String>,
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{
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Error::Assertion(msg.into())
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}
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pub fn msg(&self) -> &str {
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match self {
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Error::Assertion(msg) | Error::Breakpoint(msg) | Error::Other(msg) | Error::Emulator(_, msg) => msg.as_str(),
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Error::Processor(_) => "native exception",
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}
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}
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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Error::Assertion(msg) | Error::Breakpoint(msg) | Error::Other(msg) | Error::Emulator(_, msg) => write!(f, "{}", msg),
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Error::Processor(_) => write!(f, "native exception"),
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}
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}
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}
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impl<E> From<HostError<E>> for Error {
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fn from(_err: HostError<E>) -> Self {
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Self::Other("other".to_string())
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}
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}
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