AutoSaveExceptionState

mozjs::jsapi

Struct AutoSaveExceptionState 

Source 
#[repr(C)]
pub struct AutoSaveExceptionState {
    pub context: *mut JSContext,
    pub status: ExceptionStatus,
    pub exceptionValue: Rooted<Value>,
    pub exceptionStack: Rooted<*mut JSObject>,
}
Expand description

Save and later restore the current exception state of a given JSContext. This is useful for implementing behavior in C++ that’s like try/catch or try/finally in JS.

Typical usage:

bool ok = JS::Evaluate(cx, ...);
AutoSaveExceptionState savedExc(cx);
... cleanup that might re-enter JS ...
return ok;

Fields§

§context: *mut JSContext§status: ExceptionStatus§exceptionValue: Rooted<Value>§exceptionStack: Rooted<*mut JSObject>

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 64 bytes