public static string GetVisualStudioVCRootPath(this DevEnv visualVersion)
{
string visualStudioVCRootPath = s_visualStudioVCRootPathCache.GetOrAdd(visualVersion, devEnv =>
{
string vsDir = visualVersion.GetVisualStudioDir();
switch (visualVersion)
{
case DevEnv.vs2010:
case DevEnv.vs2012:
case DevEnv.vs2013:
case DevEnv.vs2015:
return(Path.Combine(vsDir, "VC"));
case DevEnv.vs2017:
case DevEnv.vs2019:
string compilerVersion = visualVersion.GetDefaultCompilerVersion(); // default fallback
try
{
string toolchainFile = Path.Combine(vsDir, "VC", "Auxiliary", "Build", "Microsoft.VCToolsVersion.default.txt");
if (File.Exists(toolchainFile))
{
using (StreamReader file = new StreamReader(toolchainFile))
compilerVersion = file.ReadLine().Trim();
}
}
catch { }
return(Path.Combine(vsDir, @"VC\Tools\MSVC", compilerVersion));
}
throw new ArgumentOutOfRangeException("VS version not recognized " + visualVersion);
});
return(visualStudioVCRootPath);
}
public static Version GetVisualStudioVCToolsVersion(this DevEnv visualVersion)
{
if (!visualVersion.IsVisualStudio())
{
throw new Error($"{visualVersion} is not a visual studio version!");
}
Version version = s_visualStudioVCToolsVersionCache.GetOrAdd(visualVersion, devEnv =>
{
string versionString = visualVersion.GetDefaultCompilerVersion(); // default fallback
try
{
string toolchainFile = Path.Combine(visualVersion.GetVisualStudioDir(), "VC", "Auxiliary", "Build", "Microsoft.VCToolsVersion.default.txt");
if (File.Exists(toolchainFile))
{
using (StreamReader file = new StreamReader(toolchainFile))
versionString = file.ReadLine().Trim();
}
}
catch { }
return(new Version(versionString));
});
return(version);
}