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LibJS: Implement the NewObjectEnvironment() abstract operation

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This commit is contained in:
Andreas Kling 2021-06-22 01:14:27 +02:00
parent d8e9a176cd
commit 395bee07e0
3 changed files with 14 additions and 1 deletions
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3
Userland/Libraries/LibJS/AST.cpp
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@ -14,6 +14,7 @@
#include <LibCrypto/BigInt/SignedBigInteger.h>
#include <LibJS/AST.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/Accessor.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/BigInt.h>
@ -306,7 +307,7 @@ Value WithStatement::execute(Interpreter& interpreter, GlobalObject& global_obje
VERIFY(object);
auto* object_environment_record = interpreter.heap().allocate<ObjectEnvironmentRecord>(global_object, *object, interpreter.vm().call_frame().environment_record);
auto* object_environment_record = new_object_environment(*object, true, interpreter.vm().call_frame().environment_record);
TemporaryChange<EnvironmentRecord*> scope_change(interpreter.vm().call_frame().environment_record, object_environment_record);
return interpreter.execute_statement(global_object, m_body).value_or(js_undefined());
}

11
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
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@ -14,6 +14,7 @@
#include <LibJS/Runtime/Function.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/ObjectEnvironmentRecord.h>
#include <LibJS/Runtime/PropertyName.h>
#include <LibJS/Runtime/ProxyObject.h>
@ -165,4 +166,14 @@ DeclarativeEnvironmentRecord* new_declarative_environment(EnvironmentRecord& env
return global_object.heap().allocate<DeclarativeEnvironmentRecord>(global_object, &environment_record);
}
// 9.1.2.3 NewObjectEnvironment ( O, W, E ), https://tc39.es/ecma262/#sec-newobjectenvironment
ObjectEnvironmentRecord* new_object_environment(Object& object, bool is_with_environment, EnvironmentRecord* environment_record)
{
auto& global_object = object.global_object();
if (!is_with_environment) {
TODO();
}
return global_object.heap().allocate<ObjectEnvironmentRecord>(global_object, object, environment_record);
}
}

1
Userland/Libraries/LibJS/Runtime/AbstractOperations.h
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@ -14,6 +14,7 @@
namespace JS {
DeclarativeEnvironmentRecord* new_declarative_environment(EnvironmentRecord&);
ObjectEnvironmentRecord* new_object_environment(Object&, bool is_with_environment, EnvironmentRecord*);
Value require_object_coercible(GlobalObject&, Value);
Function* get_method(GlobalObject& global_object, Value, PropertyName const&);
size_t length_of_array_like(GlobalObject&, Object const&);