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73be7e227b
These correspond to "create a classic script" and "run a classic script" from the HTML specification. :^)
74 lines
2.3 KiB
C++
74 lines
2.3 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(StringView source, JS::GlobalObject& global_object, 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)));
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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, global_object);
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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_global_object(m_script_record->global_object());
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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)
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: Script(move(base_url))
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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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