mirror of
https://github.com/roytam1/UXP.git
synced 2026-05-27 12:50:35 +00:00
50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
// A few wrappers for stack-manipulation. This version of the module
|
|
// is used in content code. Note that this particular copy of the
|
|
// file can only be loaded via require(), because Cu.import doesn't
|
|
// exist in the content case. So, we don't need the code to handle
|
|
// both require and import here.
|
|
|
|
"use strict";
|
|
|
|
/**
|
|
* Looks like Cu.callFunctionWithAsyncStack, but just calls the callee.
|
|
*/
|
|
function callFunctionWithAsyncStack(callee, stack, id) {
|
|
return callee();
|
|
}
|
|
|
|
/**
|
|
* Return a description of the Nth caller, suitable for logging.
|
|
*
|
|
* @param {Number} n the caller to describe
|
|
* @return {String} a description of the nth caller.
|
|
*/
|
|
function describeNthCaller(n) {
|
|
if (isWorker) {
|
|
return "";
|
|
}
|
|
|
|
let stack = new Error().stack.split("\n");
|
|
// Add one here to skip this function.
|
|
return stack[n + 1];
|
|
}
|
|
|
|
/**
|
|
* Return a stack object that can be serialized and, when
|
|
* deserialized, passed to callFunctionWithAsyncStack.
|
|
*/
|
|
function getStack() {
|
|
// There's no reason for this to do anything fancy, since it's only
|
|
// used to pass back into callFunctionWithAsyncStack, which we can't
|
|
// implement.
|
|
return null;
|
|
}
|
|
|
|
exports.callFunctionWithAsyncStack = callFunctionWithAsyncStack;
|
|
exports.describeNthCaller = describeNthCaller;
|
|
exports.getStack = getStack;
|