|  | # Copyright 2014 The Chromium Authors. All rights reserved. | 
|  | # Use of this source code is governed by a BSD-style license that can be | 
|  | # found in the LICENSE file. | 
|  |  | 
|  | declare_args() { | 
|  | # Path to Visual Studio. If empty, the default is used which is to use the | 
|  | # automatic toolchain in depot_tools. If set, you must also set the | 
|  | # visual_studio_version and wdk_path. | 
|  | visual_studio_path = "" | 
|  |  | 
|  | # Version of Visual Studio pointed to by the visual_studio_path. | 
|  | # Currently always "2015". | 
|  | visual_studio_version = "" | 
|  |  | 
|  | # Directory of the Windows driver kit. If visual_studio_path is empty, this | 
|  | # will be auto-filled. | 
|  | wdk_path = "" | 
|  |  | 
|  | # Full path to the Windows SDK, not including a backslash at the end. | 
|  | # This value is the default location, override if you have a different | 
|  | # installation location. | 
|  | windows_sdk_path = "C:\Program Files (x86)\Windows Kits\10" | 
|  | } | 
|  |  | 
|  | if (visual_studio_path == "") { | 
|  | toolchain_data = | 
|  | exec_script("../../vs_toolchain.py", [ "get_toolchain_dir" ], "scope") | 
|  | visual_studio_path = toolchain_data.vs_path | 
|  | windows_sdk_path = toolchain_data.sdk_path | 
|  | visual_studio_version = toolchain_data.vs_version | 
|  | wdk_path = toolchain_data.wdk_dir | 
|  | visual_studio_runtime_dirs = toolchain_data.runtime_dirs | 
|  | } else { | 
|  | assert(visual_studio_version != "", | 
|  | "You must set the visual_studio_version if you set the path") | 
|  | assert(wdk_path != "", | 
|  | "You must set the wdk_path if you set the visual studio path") | 
|  | visual_studio_runtime_dirs = [] | 
|  | } |