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LibJS: Remove {Bytecode::,}Interpreter::global_object()

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The basic idea is that a global object cannot just come out of nowhere,
it must be associated to a realm - so get it from there, if needed.

This is to enforce the changes from all the previous commits by not
handing out global objects unless you actually have an initialized
realm (either stored somewhere, or the VM's current realm).
This commit is contained in:
Linus Groh
2022-08-22 19:35:23 +01:00
parent b345a0acca
commit 275dea9d98
10 changed files with 15 additions and 37 deletions
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9
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@@ -25,9 +25,8 @@ Interpreter* Interpreter::current()
return s_current;
}
Interpreter::Interpreter(GlobalObject& global_object, Realm& realm)
: m_vm(global_object.vm())
, m_global_object(global_object)
Interpreter::Interpreter(Realm& realm)
: m_vm(realm.vm())
, m_realm(realm)
{
VERIFY(!s_current);
@@ -51,7 +50,7 @@ Interpreter::ValueAndFrame Interpreter::run_and_return_frame(Executable const& e
ExecutionContext execution_context(vm().heap());
if (vm().execution_context_stack().is_empty() || !vm().running_execution_context().lexical_environment) {
// The "normal" interpreter pushes an execution context without environment so in that case we also want to push one.
execution_context.this_value = &global_object();
execution_context.this_value = &m_realm.global_object();
static FlyString global_execution_context_name = "(*BC* global execution context)";
execution_context.function_name = global_execution_context_name;
execution_context.lexical_environment = &m_realm.global_environment();
@@ -69,7 +68,7 @@ Interpreter::ValueAndFrame Interpreter::run_and_return_frame(Executable const& e
m_register_windows.append(make<RegisterWindow>(MarkedVector<Value>(vm().heap()), MarkedVector<Environment*>(vm().heap()), MarkedVector<Environment*>(vm().heap())));
registers().resize(executable.number_of_registers);
registers()[Register::global_object_index] = Value(&global_object());
registers()[Register::global_object_index] = Value(&m_realm.global_object());
for (;;) {
Bytecode::InstructionStreamIterator pc(block->instruction_stream());