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LibJS: Implement the ParseScript AO (as JS::Script::parse())

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This commit is contained in:
Andreas Kling 2021-09-09 19:02:40 +02:00
parent 35c4a1ebcb
commit d823d7da54
2 changed files with 17 additions and 7 deletions
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16
Userland/Libraries/LibJS/Script.cpp
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@ -4,16 +4,26 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <LibJS/AST.h>
#include <LibJS/Lexer.h>
#include <LibJS/Parser.h>
#include <LibJS/Script.h> #include <LibJS/Script.h>
namespace JS { namespace JS {
NonnullRefPtr<Script> Script::create(GlobalObject& global_object, NonnullRefPtr<ASTNode> parse_node) // 16.1.5 ParseScript ( sourceText, realm, hostDefined ), https://tc39.es/ecma262/#sec-parse-script
NonnullRefPtr<Script> Script::parse(StringView source_text, GlobalObject& global_object)
{ {
return adopt_ref(*new Script(global_object, move(parse_node))); // 1. Let body be ParseText(sourceText, Script).
auto body = Parser(Lexer(source_text)).parse_program();
// FIXME: 2. If body is a List of errors, return body.
// 3. Return Script Record { [[Realm]]: realm, [[ECMAScriptCode]]: body, [[HostDefined]]: hostDefined }.
return adopt_ref(*new Script(global_object, move(body)));
} }
Script::Script(GlobalObject& global_object, NonnullRefPtr<ASTNode> parse_node) Script::Script(GlobalObject& global_object, NonnullRefPtr<Program> parse_node)
: m_global_object(make_handle(&global_object)) : m_global_object(make_handle(&global_object))
, m_parse_node(move(parse_node)) , m_parse_node(move(parse_node))
{ {

8
Userland/Libraries/LibJS/Script.h
View file

@ -18,16 +18,16 @@ namespace JS {
class Script : public RefCounted<Script> { class Script : public RefCounted<Script> {
public: public:
~Script(); ~Script();
static NonnullRefPtr<Script> create(GlobalObject&, NonnullRefPtr<ASTNode> parse_node); static NonnullRefPtr<Script> parse(StringView source_text, GlobalObject&);
GlobalObject& global_object() { return *m_global_object.cell(); } GlobalObject& global_object() { return *m_global_object.cell(); }
ASTNode const& parse_node() const { return *m_parse_node; } Program const& parse_node() const { return *m_parse_node; }
private: private:
Script(GlobalObject&, NonnullRefPtr<ASTNode>); Script(GlobalObject&, NonnullRefPtr<Program>);
Handle<GlobalObject> m_global_object; Handle<GlobalObject> m_global_object;
NonnullRefPtr<ASTNode> m_parse_node; NonnullRefPtr<Program> m_parse_node;
}; };
} }