restore(lang): full lang tree from ff3ef452 (306 files) — compiler, vm, shared, runner, c-abi, etc.\n\n- Restores lang/ directory (files≈306, dirs≈64) as per historical branch with selfhost sources\n- Keeps our recent parser index changes in compiler/* (merged clean by checkout)\n- Unblocks selfhost development and documentation references

lang/src/vm/collect_empty_args_using_smoke.hako

@@ -0,0 +1,14 @@
+using "lang/src/vm/boxes/mini_vm_core.hako" as MiniVm
+
+static box Main {
+  main(args) {
+    local json = "{\"kind\":\"Program\",\"statements\":[{\"kind\":\"Print\",\"expression\":{\"kind\":\"FunctionCall\",\"name\":\"echo\",\"arguments\":[]}},{\"kind\":\"Print\",\"expression\":{\"kind\":\"FunctionCall\",\"name\":\"itoa\",\"arguments\":[]}}]}"
+
+    local arr = new MiniVm().collect_prints(json)
+    print("DEBUG: arr.size=" + arr.size())
+    local i = 0
+    loop (i < arr.size()) { print(arr.get(i))  i = i + 1 }
+    return 0
+  }
+}
+// migrated from .nyash to .hako (branding)