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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.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 {
// 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);
}
}
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