Enum HostError 

pub enum HostError {
    Compilation(String),
    Runtime(String),
    LimitViolation(LimitViolation),
    ValueConversion(ValueConversionError),
    CapabilityDenied {
        capability: String,
    },
    SandboxViolation(String),
    PoolExhausted {
        count: usize,
    },
    PoolTimeout,
    PoolShutdown,
    EnginePoisoned(String),
    Io(Error),
    InvalidConfig(String),
    VersionMismatch {
        expected: String,
        actual: String,
    },
    HostFunction(String),
    InvalidBytecode(String),
    Timeout(Duration),
    Cancelled,
    Internal(String),
}

Errors that can occur during Fusabi host operations.

Variants

Compilation(String)

Compilation failed with the given message.

Runtime(String)

Runtime execution failed.

LimitViolation(LimitViolation)

A resource limit was violated.

ValueConversion(ValueConversionError)

Value conversion failed.

CapabilityDenied

Capability was denied.

Fields

capability: String

The capability that was denied.

SandboxViolation(String)

Sandbox policy violation.

PoolExhausted

Engine pool exhausted.

Fields

count: usize

Number of engines in the pool.

PoolTimeout

Pool acquire timeout.

PoolShutdown

Pool was shut down.

EnginePoisoned(String)

Engine was poisoned (panicked during execution).

Io(Error)

IO error occurred.

InvalidConfig(String)

Invalid configuration.

VersionMismatch

Version incompatibility.

Fields

expected: String

Expected version range.

actual: String

Actual version.

HostFunction(String)

Host function registration error.

InvalidBytecode(String)

Bytecode validation failed.

Timeout(Duration)

Timeout during execution.

Cancelled

Cancelled by user.

Internal(String)

Internal error (should not happen).

Implementations

impl Error

pub fn compilation(msg: impl Into<String>) -> Error

Create a compilation error.

pub fn runtime(msg: impl Into<String>) -> Error

Create a runtime error.

pub fn capability_denied(capability: impl Into<String>) -> Error

Create a capability denied error.

pub fn sandbox_violation(msg: impl Into<String>) -> Error

Create a sandbox violation error.

pub fn invalid_config(msg: impl Into<String>) -> Error

Create an invalid config error.

pub fn version_mismatch( expected: impl Into<String>, actual: impl Into<String>, ) -> Error

Create a version mismatch error.

pub fn host_function(msg: impl Into<String>) -> Error

Create a host function error.

pub fn invalid_bytecode(msg: impl Into<String>) -> Error

Create an invalid bytecode error.

pub fn is_transient(&self) -> bool

Returns true if this is a transient error that may succeed on retry.

pub fn is_fatal(&self) -> bool

Returns true if this error indicates the engine is unusable.

Trait Implementations

impl Debug for Error

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Display for Error

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Error for Error

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<ArgError> for Error

fn from(err: ArgError) -> Error

Converts to this type from the input type.

impl From<Error> for Error

fn from(source: Error) -> Error

Converts to this type from the input type.

impl From<Error> for Error

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<LimitViolation> for Error

fn from(source: LimitViolation) -> Error

Converts to this type from the input type.

impl From<ValueConversionError> for Error

fn from(source: ValueConversionError) -> Error

Converts to this type from the input type.