[Interpreter] Unary operators - typeof, void, and logical not.

src/runtime/runtime-interpreter.cc

Index: src/runtime/runtime-interpreter.cc
diff --git a/src/runtime/runtime-interpreter.cc b/src/runtime/runtime-interpreter.cc
index e0a171267fa77b15d6958f618c84d4dc15110b72..2caa2d5c9e4714183f1faa155a23367d75f5f229 100644
--- a/src/runtime/runtime-interpreter.cc
+++ b/src/runtime/runtime-interpreter.cc
@@ -96,7 +96,7 @@ RUNTIME_FUNCTION(Runtime_InterpreterGreaterThanOrEqual) {
 
 
 RUNTIME_FUNCTION(Runtime_InterpreterStrictEquals) {
-  SealHandleScope scope(isolate);
+  SealHandleScope shs(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(Object, x, 0);
   CONVERT_ARG_CHECKED(Object, y, 1);
@@ -105,7 +105,7 @@ RUNTIME_FUNCTION(Runtime_InterpreterStrictEquals) {
 
 
 RUNTIME_FUNCTION(Runtime_InterpreterStrictNotEquals) {
-  SealHandleScope scope(isolate);
+  SealHandleScope shs(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(Object, x, 0);
   CONVERT_ARG_CHECKED(Object, y, 1);
@@ -114,12 +114,28 @@ RUNTIME_FUNCTION(Runtime_InterpreterStrictNotEquals) {
 
 
 RUNTIME_FUNCTION(Runtime_InterpreterToBoolean) {
-  SealHandleScope scope(isolate);
+  SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(Object, x, 0);
   return isolate->heap()->ToBoolean(x->BooleanValue());
 }
 
 
+RUNTIME_FUNCTION(Runtime_InterpreterLogicalNot) {
+  SealHandleScope shs(isolate);
+  DCHECK_EQ(1, args.length());
+  CONVERT_ARG_CHECKED(Object, x, 0);
+  return isolate->heap()->ToBoolean(!x->BooleanValue());
+}
+
+
+RUNTIME_FUNCTION(Runtime_InterpreterTypeOf) {
+  SealHandleScope shs(isolate);
+  DCHECK_EQ(1, args.length());
+  CONVERT_ARG_HANDLE_CHECKED(Object, x, 0);
+  return Object::cast(*Object::TypeOf(isolate, x));
+}
+
+
 }  // namespace internal
 }  // namespace v8