Enum cretonne_wasm::WasmError

pub enum WasmError {
    InvalidWebAssembly {
        message: &'static str,
        offset: usize,
    },
    Unsupported(&'static str),
    ImplLimitExceeded,
}

A WebAssembly translation error.

When a WebAssembly function can't be translated, one of these error codes will be returned to describe the failure.

Variants

InvalidWebAssembly

The input WebAssembly code is invalid.

This error code is used by a WebAssembly translator when it encounters invalid WebAssembly code. This should never happen for validated WebAssembly code.

Fields of InvalidWebAssembly

message: &'static str	A string describing the validation error.
offset: usize	The bytecode offset where the error occurred.

Unsupported(&'static str)

A feature used by the WebAssembly code is not supported by the embedding environment.

Embedding environments may have their own limitations and feature restrictions.

ImplLimitExceeded

An implementation limit was exceeded.

Cretonne can compile very large and complicated functions, but the implementation has limits that cause compilation to fail when they are exceeded.

Methods

impl WasmError

pub fn from_binary_reader_error(e: BinaryReaderError) -> Self

Convert from a BinaryReaderError to a WasmError.

Trait Implementations

impl Fail for WasmError

fn cause(&self) -> Option<&Fail>

Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors.

fn backtrace(&self) -> Option<&Backtrace>

Returns a reference to the Backtrace carried by this failure, if it carries one.

fn context<D>(self, context: D) -> Context<D> where     D: Display + Send + Sync + 'static,

Provides context for this failure.

fn compat(self) -> Compat<Self>

Wraps this failure in a compatibility wrapper that implements std::error::Error.

fn causes(&self) -> Causes

Returns a iterator over the causes of this Fail with itself as the first item and the root_cause as the final item.

fn root_cause(&self) -> &(Fail + 'static)

Returns the "root cause" of this Fail - the last value in the cause chain which does not return an underlying cause.

impl Display for WasmError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Debug for WasmError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl PartialEq for WasmError

fn eq(&self, other: &WasmError) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &WasmError) -> bool

This method tests for !=.

impl Eq for WasmError