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LibWeb: Log classic script start, finish, and duration

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When waiting for a page to load, it's nice to see which scripts run,
and how long they take to finish.
This commit is contained in:
Andreas Kling 2021-09-12 21:56:44 +02:00
parent 3f067f8457
commit f6ad7dfc0b
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ElapsedTimer.h>
#include <LibJS/Interpreter.h>
#include <LibWeb/HTML/Scripting/ClassicScript.h>
@ -51,13 +52,16 @@ NonnullRefPtr<ClassicScript> ClassicScript::create(String filename, StringView s
// https://html.spec.whatwg.org/multipage/webappapis.html#run-a-classic-script
JS::Value ClassicScript::run(RethrowErrors rethrow_errors)
{
dbgln("ClassicScript: Running script {}", filename());
(void)rethrow_errors;
auto timer = Core::ElapsedTimer::start_new();
auto interpreter = JS::Interpreter::create_with_existing_realm(m_script_record->realm());
interpreter->run(interpreter->global_object(), m_script_record->parse_node());
auto& vm = interpreter->vm();
if (vm.exception())
vm.clear_exception();
dbgln("ClassicScript: Finished running script {}, Duration: {}ms", filename(), timer.elapsed());
return vm.last_value();
}