Struct ErrorHandler 

pub struct ErrorHandler { /* private fields */ }

Accumulates WasmError values and provides diagnostic helpers.

Implementations

impl ErrorHandler

pub fn new(max_history: usize) -> Self

Create a new handler that keeps at most max_history errors.

pub fn handle(&mut self, error: WasmError) -> String

Record error, store it in history (evicting oldest when full), and return its JSON representation.

pub fn last_error(&self) -> Option<&WasmError>

The most recently recorded error.

pub fn error_count(&self) -> usize

Total number of errors currently in history.

pub fn has_unrecoverable(&self) -> bool

true if any error in history is unrecoverable.

pub fn clear_history(&mut self)

Remove all errors from history.

pub fn errors_by_code(&self, code: u32) -> Vec<&WasmError>

Errors matching the given numeric code.