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LibWeb: Update workarounds for the empty execution context stack

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Use the new helper class to perform this workaround.
This commit is contained in:
Timothy Flynn 2023-07-06 07:43:23 -04:00 • committed by Tim Flynn
parent 8ec7b4401a
commit f57310999d
7 changed files with 30 additions and 88 deletions
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22
Userland/Libraries/LibWeb/Fetch/Body.cpp
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@ -16,6 +16,7 @@
#include <LibWeb/Fetch/Body.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
#include <LibWeb/FileAPI/Blob.h>
#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
#include <LibWeb/Infra/JSON.h>
#include <LibWeb/MimeSniff/MimeType.h>
#include <LibWeb/Streams/ReadableStream.h>
@ -165,15 +166,9 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> consume_body(JS::Realm& realm
// 3. Let errorSteps given error be to reject promise with error.
// NOTE: `promise` and `realm` is protected by JS::SafeFunction.
auto error_steps = [promise, &realm](JS::GCPtr<WebIDL::DOMException> error) {
// NOTE: Not part of the spec, but we need to have an execution context on the stack to call native functions.
// (In this case, Promise's reject function)
auto& environment_settings_object = Bindings::host_defined_environment_settings_object(realm);
environment_settings_object.prepare_to_run_script();
// AD-HOC: An execution context is required for Promise's reject function.
HTML::TemporaryExecutionContext execution_context { Bindings::host_defined_environment_settings_object(realm) };
WebIDL::reject_promise(realm, promise, error);
// See above NOTE.
environment_settings_object.clean_up_after_running_script();
};
// 4. Let successSteps given a byte sequence data be to resolve promise with the result of running convertBytesToJSValue
@ -183,15 +178,8 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> consume_body(JS::Realm& realm
auto success_steps = [promise, &realm, &object, type](ByteBuffer const& data) {
auto& vm = realm.vm();
// NOTE: Not part of the spec, but we need to have an execution context on the stack to call native functions.
// (In this case, Promise's reject function and JSON.parse)
auto& environment_settings_object = Bindings::host_defined_environment_settings_object(realm);
environment_settings_object.prepare_to_run_script();
ScopeGuard guard = [&]() {
// See above NOTE.
environment_settings_object.clean_up_after_running_script();
};
// AD-HOC: An execution context is required for Promise's reject function and JSON.parse.
HTML::TemporaryExecutionContext execution_context { Bindings::host_defined_environment_settings_object(realm) };
auto value_or_error = Bindings::throw_dom_exception_if_needed(vm, [&]() -> WebIDL::ExceptionOr<JS::Value> {
return package_data(realm, data, type, TRY_OR_THROW_OOM(vm, object.mime_type_impl()));