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7b92889e6b
We need both a GlobalObject and Realm now, but can get the former from the latter (once initialized). This also fixes JS execution in LibWeb, as we failed to set the Realm of the newly created Interpreter in this function.
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Interpreter.h>
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#include <LibWeb/HTML/Scripting/ClassicScript.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/webappapis.html#creating-a-classic-script
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NonnullRefPtr<ClassicScript> ClassicScript::create(String filename, StringView source, JS::Realm& realm, URL base_url, MutedErrors muted_errors)
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{
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// 1. If muted errors was not provided, let it be false. (NOTE: This is taken care of by the default argument.)
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// 2. If muted errors is true, then set baseURL to about:blank.
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if (muted_errors == MutedErrors::Yes)
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base_url = "about:blank";
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// FIXME: 3. If scripting is disabled for settings, then set source to the empty string.
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// 4. Let script be a new classic script that this algorithm will subsequently initialize.
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auto script = adopt_ref(*new ClassicScript(move(base_url), move(filename)));
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// FIXME: 5. Set script's settings object to settings.
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// 6. Set script's base URL to baseURL. (NOTE: This was already done when constructing.)
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// FIXME: 7. Set script's fetch options to options.
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// 8. Set script's muted errors to muted errors.
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script->m_muted_errors = muted_errors;
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// FIXME: 9. Set script's parse error and error to rethrow to null.
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// 10. Let result be ParseScript(source, settings's Realm, script).
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auto result = JS::Script::parse(source, realm, script->filename());
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// FIXME: 11. If result is a list of errors, then:
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// 1. Set script's parse error and its error to rethrow to result[0].
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// 2. Return script.
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// 12. Set script's record to result.
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script->m_script_record = move(result);
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// 13. Return script.
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return script;
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}
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// https://html.spec.whatwg.org/multipage/webappapis.html#run-a-classic-script
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JS::Value ClassicScript::run(RethrowErrors rethrow_errors)
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{
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(void)rethrow_errors;
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auto interpreter = JS::Interpreter::create_with_existing_realm(m_script_record->realm());
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interpreter->run(interpreter->global_object(), m_script_record->parse_node());
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auto& vm = interpreter->vm();
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if (vm.exception())
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vm.clear_exception();
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return vm.last_value();
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}
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ClassicScript::ClassicScript(URL base_url, String filename)
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: Script(move(base_url), move(filename))
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{
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}
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ClassicScript::~ClassicScript()
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{
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}
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}
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