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feat(furvm): implement return value instruction

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This commit is contained in:
Aleksander Krajewski
2026-06-07 11:43:38 +02:00
parent e7e5f36380
commit 464b24eeed
1 changed files with 10 additions and 6 deletions
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furvm/src/executor.cpp
+10 -6
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@@ -59,10 +59,6 @@ void executor::step() {
instruction_t instr = static_cast<instruction_t>(frame.mod->byte(frame.position++)); instruction_t instr = static_cast<instruction_t>(frame.mod->byte(frame.position++));
switch (instr) { switch (instr) {
case instruction_t::NoOperation: break; case instruction_t::NoOperation: break;
case instruction_t::Return: {
pop_frame();
if (m_frames.empty()) m_flags = m_flags | executor_flags::Done;
} break;
case instruction_t::PushB2I: { case instruction_t::PushB2I: {
auto thing = thing::create(m_context, thing_t::Int32); auto thing = thing::create(m_context, thing_t::Int32);
thing->int32() = frame.mod->byte(frame.position++); thing->int32() = frame.mod->byte(frame.position++);
@@ -71,9 +67,17 @@ void executor::step() {
case instruction_t::Drop: { case instruction_t::Drop: {
m_stack.pop(); m_stack.pop();
} break; } break;
case instruction_t::PushConstant: case instruction_t::Return: {
case instruction_t::Duplicate: pop_frame();
if (m_frames.empty()) m_flags = m_flags | executor_flags::Done;
} break;
case instruction_t::ReturnValue: { case instruction_t::ReturnValue: {
auto value = pop_thing();
pop_frame();
m_stack.push(std::move(value));
} break;
case instruction_t::PushConstant:
case instruction_t::Duplicate: {
throw std::runtime_error("unimplemented"); throw std::runtime_error("unimplemented");
} }
} }