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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/shared/platform/stack.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/shared/platform/stack.js')
-rw-r--r-- | devtools/shared/platform/stack.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/devtools/shared/platform/stack.js b/devtools/shared/platform/stack.js new file mode 100644 index 0000000000..65ff644091 --- /dev/null +++ b/devtools/shared/platform/stack.js @@ -0,0 +1,64 @@ +/* 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 chrome code. + +"use strict"; + +/** + * Return the Nth path from the stack excluding substr. + * + * @param {Number} + * n the Nth path from the stack to describe. + * @param {String} substr + * A segment of the path that should be excluded. + */ +function getNthPathExcluding(n, substr) { + let stack = Components.stack.formattedStack.split("\n"); + + // Remove this method from the stack + stack = stack.splice(1); + + stack = stack.map(line => { + if (line.includes(" -> ")) { + return line.split(" -> ")[1]; + } + return line; + }); + + if (substr) { + stack = stack.filter(line => { + return line && !line.includes(substr); + }); + } + + if (!stack[n]) { + n = 0; + } + return stack[n] || ""; +} + +/** + * Return a stack object that can be serialized and, when + * deserialized, passed to callFunctionWithAsyncStack. + */ +function getStack() { + return Components.stack.caller; +} + +/** + * Like Cu.callFunctionWithAsyncStack but handles the isWorker case + * -- |Cu| isn't defined in workers. + */ +function callFunctionWithAsyncStack(callee, stack, id) { + if (isWorker) { + return callee(); + } + return Cu.callFunctionWithAsyncStack(callee, stack, id); +} + +exports.callFunctionWithAsyncStack = callFunctionWithAsyncStack; +exports.getNthPathExcluding = getNthPathExcluding; +exports.getStack = getStack; |