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LibJS/Bytecode: Cache realm, global object, and more in interpreter

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Instead of looking these up in the VM execution context stack whenever
we need them, we now just cache them in the interpreter when entering
a new call frame.
This commit is contained in:
Andreas Kling
2024-02-28 18:49:52 +01:00
parent 01e9eee7dd
commit 953573565c
3 changed files with 11 additions and 10 deletions
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8
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@@ -426,6 +426,9 @@ Interpreter::ValueAndFrame Interpreter::run_and_return_frame(Executable& executa
TemporaryChange restore_executable { m_current_executable, &executable };
TemporaryChange restore_saved_jump { m_scheduled_jump, static_cast<BasicBlock const*>(nullptr) };
TemporaryChange restore_realm { m_realm, vm().current_realm() };
TemporaryChange restore_global_object { m_global_object, &m_realm->global_object() };
TemporaryChange restore_global_declarative_environment { m_global_declarative_environment, &m_realm->global_environment().declarative_record() };
VERIFY(!vm().execution_context_stack().is_empty());
@@ -530,11 +533,6 @@ ThrowCompletionOr<NonnullGCPtr<Bytecode::Executable>> compile(VM& vm, ASTNode co
return bytecode_executable;
}
Realm& Interpreter::realm()
{
return *m_vm.current_realm();
}
void Interpreter::push_call_frame(Variant<NonnullOwnPtr<CallFrame>, CallFrame*> frame)
{
m_call_frames.append(move(frame));