Add getter for hasTerminal, terminalColumns and terminalLines on stdout.

runtime/bin/stdin_win.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 "platform/globals.h"
-#if defined(TARGET_OS_WINDOWS)
-
-#include "bin/stdin.h"
-
-
-namespace dart {
-namespace bin {
-
-int Stdin::ReadByte() {
-  HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
-  uint8_t buffer[1];
-  DWORD read = 0;
-  int c = -1;
-  if (ReadFile(h, buffer, 1, &read, NULL) && read == 1) {
-    c = buffer[0];
-  }
-  return c;
-}
-
-
-bool Stdin::GetEchoMode() {
-  HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
-  DWORD mode;
-  if (!GetConsoleMode(h, &mode)) return false;
-  return (mode & ENABLE_ECHO_INPUT) != 0;
-}
-
-
-void Stdin::SetEchoMode(bool enabled) {
-  HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
-  DWORD mode;
-  if (!GetConsoleMode(h, &mode)) return;
-  if (enabled) {
-    mode |= ENABLE_ECHO_INPUT;
-  } else {
-    mode &= ~ENABLE_ECHO_INPUT;
-  }
-  SetConsoleMode(h, mode);
-}
-
-
-bool Stdin::GetLineMode() {
-  HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
-  DWORD mode;
-  if (!GetConsoleMode(h, &mode)) return false;
-  return (mode & ENABLE_LINE_INPUT) != 0;
-}
-
-
-void Stdin::SetLineMode(bool enabled) {
-  HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
-  DWORD mode;
-  if (!GetConsoleMode(h, &mode)) return;
-  if (enabled) {
-    mode |= ENABLE_LINE_INPUT;
-  } else {
-    mode &= ~ENABLE_LINE_INPUT;
-  }
-  SetConsoleMode(h, mode);
-}
-
-}  // namespace bin
-}  // namespace dart
-
-#endif  // defined(TARGET_OS_WINDOWS)