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Get or create JSErrorReport
from an exception object.
Syntax
JSErrorReport * JS_ErrorFromException(JSContext *cx, JS::HandleObject obj);
Name | Type | Description |
---|---|---|
cx |
JSContext * |
Pointer to a JS context whose errors should be reported via your function. Other contexts in the same runtime can have their own error reporting functions. |
obj |
JS::HandleObject |
An exception object. |
Description
If obj
is an exception object, the exception will have (or be able to lazily create) an error report struct, and JS_ErrorFromException
will return the address of that struct. Otherwise, it returns nullptr
. The lifetime of the error report struct that might be returned is the same as the lifetime of the exception object.