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LibJS: Implement generator functions (only in bytecode mode)

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This commit is contained in:
Ali Mohammad Pur 2021-06-11 01:38:30 +04:30 • committed by Andreas Kling
parent c53a86a3fe
commit 3234697eca
21 changed files with 407 additions and 34 deletions
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16
Userland/Libraries/LibJS/Bytecode/Interpreter.h
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@ -30,10 +30,23 @@ public:
GlobalObject& global_object() { return m_global_object; }
VM& vm() { return m_vm; }
Value run(Bytecode::Executable const&);
Value run(Bytecode::Executable const&, Bytecode::BasicBlock const* entry_point = nullptr);
ALWAYS_INLINE Value& accumulator() { return reg(Register::accumulator()); }
Value& reg(Register const& r) { return registers()[r.index()]; }
[[nodiscard]] RegisterWindow snapshot_frame() const { return m_register_windows.last(); }
void enter_frame(RegisterWindow const& frame)
{
++m_manually_entered_frames;
m_register_windows.append(make<RegisterWindow>(frame));
}
void leave_frame()
{
VERIFY(m_manually_entered_frames);
--m_manually_entered_frames;
m_register_windows.take_last();
}
void jump(Label const& label)
{
@ -55,6 +68,7 @@ private:
NonnullOwnPtrVector<RegisterWindow> m_register_windows;
Optional<BasicBlock const*> m_pending_jump;
Value m_return_value;
size_t m_manually_entered_frames { 0 };
Executable const* m_current_executable { nullptr };
Vector<UnwindInfo> m_unwind_contexts;
Handle<Exception> m_saved_exception;