feat(furvm): implement duplicate instruction

2026-06-10 19:20:38 +02:00
parent 8afeabfd69
commit 1e19d83d83
1 changed files with 8 additions and 4 deletions
@@ -71,6 +71,12 @@ void executor::step() {
    case instruction_t::Drop: {
        pop_thing();
    } break;
+    case instruction_t::Duplicate: {
+        push_thing(thing());
+    } break;
+    case instruction_t::Clone: {
+        push_thing(thing::clone(thing()));
+    } break;
    case instruction_t::Return: {
        pop_frame();
        if (m_frames.empty()) m_flags = m_flags | executor_flags::Done;
@@ -80,10 +86,8 @@ void executor::step() {
        pop_frame();
        m_stack.push(std::move(value));
    } break;
-    case instruction_t::PushConstant:
-    case instruction_t::Duplicate: {
-        throw std::runtime_error("unimplemented");
-    }
+    case instruction_t::PushConstant: throw std::runtime_error("unimplemented");
+    default: throw std::runtime_error("unknown instruction");
    }
 }