Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Script.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/AST.h>
+#include <LibJS/Lexer.h>
+#include <LibJS/Parser.h>
+#include <LibJS/Runtime/VM.h>
+#include <LibJS/Script.h>
+
+namespace JS {
+
+JS_DEFINE_ALLOCATOR(Script);
+
+// 16.1.5 ParseScript ( sourceText, realm, hostDefined ), https://tc39.es/ecma262/#sec-parse-script
+Result<NonnullGCPtr<Script>, Vector<ParserError>> Script::parse(StringView source_text, Realm& realm, StringView filename, HostDefined* host_defined, size_t line_number_offset)
+{
+    // 1. Let script be ParseText(sourceText, Script).
+    auto parser = Parser(Lexer(source_text, filename, line_number_offset));
+    auto script = parser.parse_program();
+
+    // 2. If script is a List of errors, return body.
+    if (parser.has_errors())
+        return parser.errors();
+
+    // 3. Return Script Record { [[Realm]]: realm, [[ECMAScriptCode]]: script, [[HostDefined]]: hostDefined }.
+    return realm.heap().allocate_without_realm<Script>(realm, filename, move(script), host_defined);
+}
+
+Script::Script(Realm& realm, StringView filename, NonnullRefPtr<Program> parse_node, HostDefined* host_defined)
+    : m_realm(realm)
+    , m_parse_node(move(parse_node))
+    , m_filename(filename)
+    , m_host_defined(host_defined)
+{
+}
+
+Script::~Script()
+{
+}
+
+void Script::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_realm);
+    if (m_host_defined)
+        m_host_defined->visit_host_defined_self(visitor);
+    for (auto const& loaded_module : m_loaded_modules)
+        visitor.visit(loaded_module.module);
+}
+
+}