private static Dictionary <string, ConditionSpecSource> ExtractConditionSourceInfo(string projectDir)
{
// Attempt to set the version of MSBuild.
var visualStudioInstances = MSBuildLocator.QueryVisualStudioInstances().ToArray();
var instance = visualStudioInstances[0];
Console.WriteLine($"Using MSBuild at '{instance.MSBuildPath}' to load projects.");
// NOTE: Be sure to register an instance with the MSBuildLocator
// before calling MSBuildWorkspace.Create()
// otherwise, MSBuildWorkspace won't MEF compose.
MSBuildLocator.RegisterInstance(instance);
var solutionPath = Path.Join(projectDir, "Core/Core.csproj");
using var workspace = MSBuildWorkspace.Create();
// Print message for WorkspaceFailed event to help diagnosing project load failures.
workspace.WorkspaceFailed += (o, e) => Console.WriteLine(e.Diagnostic.Message);
Console.WriteLine($"Loading solution '{solutionPath}'");
// Attach progress reporter so we print projects as they are loaded.
var project = workspace.OpenProjectAsync(solutionPath).Result;
Console.WriteLine($"Finished loading solution '{solutionPath}'");
var compilation = project.GetCompilationAsync().Result;
var visitor = new SourceVisitor(projectDir);
foreach (var sourceTree in compilation.SyntaxTrees)
{
if (!sourceTree.FilePath.Contains("Conditions"))
{
continue;
}
var semanticModel = compilation.GetSemanticModel(sourceTree);
var root = sourceTree.GetRoot();
visitor.SemanticModel = semanticModel;
visitor.Visit(root);
}
return(visitor.ConditionSpecs);
}
/// <summary>
/// Calls visitor.Visit(LoopInvariant).
/// </summary>
public override void Dispatch(SourceVisitor visitor)
{
visitor.Visit(this);
}
public static Expression Translate(IQueryable query, Expression expression)
{
var visitor = new SourceVisitor(query);
return(visitor.Visit(expression));
}
/// <summary>
/// Calls visitor.Visit((SourceDeclaration)this).
/// </summary>
public virtual void Dispatch(SourceVisitor visitor) {
visitor.Visit(this);
}
/// <summary>
/// Calls the visitor.Visit(SourceCustomAttribute) method.
/// </summary>
public override void Dispatch(SourceVisitor visitor)
{
visitor.Visit(this);
}
/// <summary>
/// Calls visitor.Visit((SourceDeclaration)this).
/// </summary>
public virtual void Dispatch(SourceVisitor visitor)
{
visitor.Visit(this);
}