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/* 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;
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