phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

lang/src/vm/boxes/mini_vm_prints.hako

@@ -106,7 +106,7 @@ static box MiniVmPrints {
     // Prefer plugin result whenever JSON route ran
     local dbg = _trace_enabled()
     local printed = 0
-    printed = printed // placeholder to keep structure; logic in .nyash retained
+    printed = printed // placeholder to keep structure; logic in .hako retained
     return printed
   }
   process_if_once(json) { return new MiniVmPrints().process_if_once(json) }

lang/src/vm/boxes/mir_call_v1_handler.hako

@@ -6,6 +6,7 @@ using selfhost.shared.json.utils.json_frag as JsonFragBox
 using selfhost.shared.common.string_helpers as StringHelpers
 using selfhost.vm.helpers.mini_mir_v1_scan as MiniMirV1Scan
 using selfhost.vm.hakorune-vm.extern_provider as HakoruneExternProviderBox
+using selfhost.vm.helpers.method_alias_policy as MethodAliasPolicy
 
 static box MirCallV1HandlerBox {
   handle(seg, regs) {
@@ -30,10 +31,11 @@ static box MirCallV1HandlerBox {
         }
         // Per‑receiver or global length counter
         local per_recv = env.get("HAKO_VM_MIRCALL_SIZESTATE_PER_RECV"); if per_recv == null { per_recv = "0" }
-        local key = "__vm_len"
-        if StringHelpers.int_to_str(per_recv) == "1" {
-          local rid = MiniMirV1Scan.receiver_id(seg)
-          if rid != null { key = "__vm_len:" + (""+rid) }
+        local rid = MiniMirV1Scan.receiver_id(seg)
+        local key = MethodAliasPolicy.recv_len_key(per_recv, rid)
+        if env.get("HAKO_VM_MIRCALL_TRACE") == "1" {
+          local rid_s = rid == null ? "null" : (""+rid)
+          print("[vm/method/trace:" + mname + ",recv=" + rid_s + ",key=" + key + "]")
         }
         local cur_len_raw = regs.getField(key); if cur_len_raw == null { cur_len_raw = "0" }
         local cur_len = JsonFragBox._str_to_int(cur_len_raw)
@@ -43,7 +45,7 @@ static box MirCallV1HandlerBox {
           local d1 = JsonFragBox.get_int(seg, "dst"); if d1 != null { regs.setField(StringHelpers.int_to_str(d1), "0") }
           return
         }
-        if mname == "len" || mname == "length" || mname == "size" {
+        if MethodAliasPolicy.is_size_alias(mname) == 1 {
           local d2 = JsonFragBox.get_int(seg, "dst"); if d2 != null { regs.setField(StringHelpers.int_to_str(d2), StringHelpers.int_to_str(cur_len)) }
           return
         }

lang/src/vm/boxes/mir_vm_m2.hako

@@ -1,4 +1,4 @@
-// mir_vm_m2.nyash — Ny製の最小MIR(JSON v0)実行器（M2: const/binop/ret）
+// mir_vm_m2.hako — Ny製の最小MIR(JSON v0)実行器（M2: const/binop/ret）
 
 using selfhost.shared.common.string_helpers as StringHelpers
 using selfhost.shared.common.string_ops as StringOps

lang/src/vm/boxes/ret_resolve_simple.hako

@@ -6,14 +6,13 @@
 using selfhost.shared.json.utils.json_frag as JsonFragBox
 using selfhost.shared.common.string_helpers as StringHelpers
 using selfhost.shared.json.core.json_cursor as JsonCursorBox
+using selfhost.vm.hakorune-vm.str_cast as StrCast
 
 static box RetResolveSimpleBox {
   _to_i64(s) { return StringHelpers.to_i64(s) }
   _load_reg(regs, id) {
-    using selfhost.shared.common.string_helpers as StringHelpers
     local v = regs.get(StringHelpers.int_to_str(id))
     if v == null { return 0 }
-    using selfhost.vm.hakorune-vm.str_cast as StrCast
     local s = StrCast.to_str(v)
     if StringHelpers.is_numeric_str(s) == 1 { return me._to_i64(s) }
     return 0

lang/src/vm/boxes/vm_kernel_box.hako

@@ -1,4 +1,4 @@
-// vm_kernel_box.nyash — NYABI Kernel (skeleton, dev-only; not wired)
+// vm_kernel_box.hako — NYABI Kernel (skeleton, dev-only; not wired)
 // Scope: Provide policy/decision helpers behind an explicit OFF toggle.
 // Notes: This box is not referenced by the VM by default.
 

lang/src/vm/collect_empty_args_smoke.hako

@@ -62,4 +62,4 @@ static box Main {
     return 0
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/collect_empty_args_using_smoke.hako

@@ -11,4 +11,4 @@ static box Main {
     return 0
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/collect_literal_eval.hako

@@ -20,4 +20,4 @@ static box Main {
     return 0
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/collect_mixed_using_smoke.hako

@@ -9,4 +9,4 @@ static box Main {
     return 0
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/collect_prints_loader_smoke.hako

@@ -16,4 +16,4 @@ static box Main {
     return 0
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/hakorune-vm/extern_provider.hako

@@ -33,20 +33,22 @@ static box HakoruneExternProviderBox {
       // Optional C‑ABI bridge（既定OFF）: タグを出力しつつ、Rust 側 extern_provider に最小接続
       if env.get("HAKO_V1_EXTERN_PROVIDER_C_ABI") == "1" {
         print("[extern/c-abi:mirbuilder.emit]")
-        // Call through to Core extern dispatcher (ignore return to keep rc=0 policy in this phase)
-        hostbridge.extern_invoke("env.mirbuilder", "emit", args)
+        // Call through to Core extern dispatcher and return the produced JSON (v1)
+        local out = hostbridge.extern_invoke("env.mirbuilder", "emit", args)
+        return "" + out
       }
-      // Phase‑20.38 では空文字を返して rc=0 を維持
+      // Default: return empty string (verify/dev stub keeps rc=0)
       return ""
     }
     if name == "env.codegen.emit_object" {
       // Optional C‑ABI bridge（既定OFF）: タグを出力しつつ、Rust 側 extern_provider に最小接続
       if env.get("HAKO_V1_EXTERN_PROVIDER_C_ABI") == "1" {
         print("[extern/c-abi:codegen.emit_object]")
-        // Call through to Core extern dispatcher (ignore return to keep rc=0 policy in this phase)
-        hostbridge.extern_invoke("env.codegen", "emit_object", args)
+        // Call through to Core extern dispatcher and return produced object path
+        local out = hostbridge.extern_invoke("env.codegen", "emit_object", args)
+        return "" + out
       }
-      // Phase‑20.38 では空文字を返して rc=0 を維持
+      // Default: return empty string (verify/dev stub keeps rc=0)
       return ""
     }
     // Unknown: return null for now (caller decides Fail‑Fast)

lang/src/vm/helpers/method_alias_policy.hako

@@ -0,0 +1,25 @@
+// method_alias_policy.hako — MethodAliasPolicy
+// Responsibility: normalize common method aliases and build stable keys.
+
+using selfhost.shared.common.string_helpers as StringHelpers
+
+static box MethodAliasPolicy {
+  is_size_alias(name) {
+    if name == null { return 0 }
+    if name == "size" { return 1 }
+    if name == "len" { return 1 }
+    if name == "length" { return 1 }
+    return 0
+  }
+  normalize_size(name) { if me.is_size_alias(name) == 1 { return "size" } return name }
+  recv_len_key(per_recv, rid) {
+    if ("" + per_recv) == "1" {
+      return "__vm_len:" + ("" + rid)
+    }
+    return "__vm_len"
+  }
+  itos(n) { return StringHelpers.int_to_str(n) }
+}
+
+static box MethodAliasPolicyMain { method main(args) { return 0 } }
+

lang/src/vm/mini_vm.hako

@@ -9,4 +9,4 @@ static box Main {
     return new MiniVm().run(json)
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)

lang/src/vm/run_core_wrapper.hako

@@ -14,4 +14,4 @@ static box Main {
     return code
   }
 }
-// migrated from .nyash to .hako (branding)
+// migrated from .hako to .hako (branding)