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

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index a66e44a145d48144bc46a4799c0f11a1ecfbe6b3..df9f21cb8529556672d6f84d50d2ffe69200aeb8 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -619,8 +619,41 @@ void BytecodeGenerator::VisitCallRuntime(CallRuntime* expr) {
 }
 
 
+void BytecodeGenerator::VisitVoid(UnaryOperation* expr) {
+  Visit(expr->expression());
+  builder()->LoadUndefined();
+}
+
+
+void BytecodeGenerator::VisitTypeOf(UnaryOperation* expr) {
+  Visit(expr->expression());
+  builder()->TypeOf();
+}
+
+
+void BytecodeGenerator::VisitNot(UnaryOperation* expr) {
+  Visit(expr->expression());
+  builder()->LogicalNot();
+}
+
+
 void BytecodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
-  UNIMPLEMENTED();
+  switch (expr->op()) {
+    case Token::Value::NOT:
+      VisitNot(expr);
+      break;
+    case Token::Value::TYPEOF:
+      VisitTypeOf(expr);
+      break;
+    case Token::Value::VOID:
+      VisitVoid(expr);
+      break;
+    case Token::Value::BIT_NOT:
+    case Token::Value::DELETE:
+      UNIMPLEMENTED();
+    default:
+      UNREACHABLE();
+  }
 }