catch.go

// Copyright 2019 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.

package errorutil

import (
	"runtime"

	"github.com/cockroachdb/errors"
)

// ShouldCatch is used for catching errors thrown as panics. Its argument is the
// object returned by recover(); it succeeds if the object is an error. If the
// error is a runtime.Error, it is converted to an internal error (see
// errors.AssertionFailedf).
func ShouldCatch(obj interface{}) (ok bool, err error) {
	err, ok = obj.(error)
	if ok {
		if _, isRuntime := err.(runtime.Error); isRuntime {
			// Convert runtime errors to internal errors, which display the stack and
			// get reported to Sentry.
			err = errors.NewAssertionErrorWithWrappedErrf(err, "")
		}
	}
	return ok, err
}