Add getter for hasTerminal, terminalColumns and terminalLines on stdout.

runtime/bin/stdin.cc

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#include "bin/builtin.h"
-#include "bin/dartutils.h"
-#include "bin/utils.h"
-#include "bin/stdin.h"
-
-#include "platform/globals.h"
-#include "platform/thread.h"
-#include "platform/utils.h"
-
-#include "include/dart_api.h"
-
-
-namespace dart {
-namespace bin {
-
-void FUNCTION_NAME(Stdin_ReadByte)(Dart_NativeArguments args) {
-  Dart_SetReturnValue(args, Dart_NewInteger(Stdin::ReadByte()));
-}
-
-
-void FUNCTION_NAME(Stdin_GetEchoMode)(Dart_NativeArguments args) {
-  Dart_SetReturnValue(args, Dart_NewBoolean(Stdin::GetEchoMode()));
-}
-
-
-void FUNCTION_NAME(Stdin_SetEchoMode)(Dart_NativeArguments args) {
-  bool enabled = DartUtils::GetBooleanValue(Dart_GetNativeArgument(args, 0));
-  Stdin::SetEchoMode(enabled);
-}
-
-
-void FUNCTION_NAME(Stdin_GetLineMode)(Dart_NativeArguments args) {
-  Dart_SetReturnValue(args, Dart_NewBoolean(Stdin::GetLineMode()));
-}
-
-
-void FUNCTION_NAME(Stdin_SetLineMode)(Dart_NativeArguments args) {
-  bool enabled = DartUtils::GetBooleanValue(Dart_GetNativeArgument(args, 0));
-  Stdin::SetLineMode(enabled);
-}
-
-}  // namespace bin
-}  // namespace dart