Add getter for hasTerminal, terminalColumns and terminalLines on stdout.

runtime/bin/stdio_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"
+#include "bin/stdio.h"
 
 
 namespace dart {
 namespace bin {
 
 int Stdin::ReadByte() {
   HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
   uint8_t buffer[1];
   DWORD read = 0;
   int c = -1;
@@ skipping 38 matching lines @@
   DWORD mode;
   if (!GetConsoleMode(h, &mode)) return;
   if (enabled) {
     mode |= ENABLE_LINE_INPUT;
   } else {
     mode &= ~ENABLE_LINE_INPUT;
   }
   SetConsoleMode(h, mode);
 }
 
+
+bool Stdout::GetTerminalSize(int size[2]) {
+  HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
+  CONSOLE_SCREEN_BUFFER_INFO info;
+  if (!GetConsoleScreenBufferInfo(h, &info)) return false;
+  size[0] = info.srWindow.Right - info.srWindow.Left + 1;
+  size[1] = info.srWindow.Bottom - info.srWindow.Top + 1;
+  return true;
+}
+
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)