public GenerationResult(
Document document,
SemanticModel semanticModel,
IReadOnlyList <Diagnostic> generatorDiagnostics,
IReadOnlyList <Diagnostic> compilationDiagnostics)
{
this.Document = document;
this.SemanticModel = semanticModel;
this.Declarations = CSharpDeclarationComputer.GetDeclarationsInSpan(semanticModel, TextSpan.FromBounds(0, semanticModel.SyntaxTree.Length), true, CancellationToken.None);
this.GeneratorDiagnostics = generatorDiagnostics;
this.CompilationDiagnostics = compilationDiagnostics;
}
public ImmutableArray <DeclarationInfo> GetDeclarationsInSpan(SemanticModel model, TextSpan span, bool getSymbol, CancellationToken cancellationToken)
{
return(CSharpDeclarationComputer.GetDeclarationsInSpan(model, span, getSymbol, cancellationToken));
}
public GenerationResult(Document document, SemanticModel semanticModel)
{
this.Document = document;
this.SemanticModel = semanticModel;
this.Declarations = CSharpDeclarationComputer.GetDeclarationsInSpan(semanticModel, TextSpan.FromBounds(0, semanticModel.SyntaxTree.Length), true, CancellationToken.None);
}
public void Execute()
{
Task.Run(async delegate
{
AppDomain.CurrentDomain.AssemblyResolve += (s, e) =>
{
return(this.TryLoadAssembly(new AssemblyName(e.Name)));
};
var project = this.CreateProject();
var outputFiles = new List <ITaskItem>();
var writtenFiles = new List <ITaskItem>();
string generatorAssemblyInputsFile = Path.Combine(this.IntermediateOutputDirectory, "CodeGeneration.Roslyn.InputAssemblies.txt");
// For incremental build, we want to consider the input->output files as well as the assemblies involved in code generation.
DateTime assembliesLastModified = GetLastModifiedAssemblyTime(generatorAssemblyInputsFile);
var explicitIncludeList = new HashSet <string>(
from item in this.Compile
where string.Equals(item.GetMetadata("Generator"), $"MSBuild:{this.TargetName}", StringComparison.OrdinalIgnoreCase)
select item.ItemSpec,
StringComparer.OrdinalIgnoreCase);
foreach (var inputDocument in project.Documents)
{
this.CancellationToken.ThrowIfCancellationRequested();
// Skip over documents that aren't on the prescribed list of files to scan.
if (!explicitIncludeList.Contains(inputDocument.Name))
{
continue;
}
string sourceHash = inputDocument.Name.GetHashCode().ToString("x", CultureInfo.InvariantCulture);
string outputFilePath = Path.Combine(this.IntermediateOutputDirectory, Path.GetFileNameWithoutExtension(inputDocument.Name) + $".{sourceHash}.generated.cs");
// Code generation is relatively fast, but it's not free.
// And when we run the Simplifier.ReduceAsync it's dog slow.
// So skip files that haven't changed since we last generated them.
bool generated = false;
DateTime outputLastModified = File.GetLastWriteTime(outputFilePath);
if (File.GetLastWriteTime(inputDocument.Name) > outputLastModified || assembliesLastModified > outputLastModified)
{
this.Log.LogMessage(MessageImportance.Normal, "{0} -> {1}", inputDocument.Name, outputFilePath);
var outputDocument = await DocumentTransform.TransformAsync(
inputDocument,
new ProgressLogger(this.Log, inputDocument.Name));
// Only produce a new file if the generated document is not empty.
var semanticModel = await outputDocument.GetSemanticModelAsync(this.CancellationToken);
if (!CSharpDeclarationComputer.GetDeclarationsInSpan(semanticModel, TextSpan.FromBounds(0, semanticModel.SyntaxTree.Length), false, this.CancellationToken).IsEmpty)
{
var outputText = await outputDocument.GetTextAsync(this.CancellationToken);
using (var outputFileStream = File.OpenWrite(outputFilePath))
using (var outputWriter = new StreamWriter(outputFileStream))
{
outputText.Write(outputWriter);
// Truncate any data that may be beyond this point if the file existed previously.
outputWriter.Flush();
outputFileStream.SetLength(outputFileStream.Position);
}
generated = true;
}
}
else
{
generated = true;
}
if (generated)
{
var outputItem = new TaskItem(outputFilePath);
outputFiles.Add(outputItem);
}
}
SaveGeneratorAssemblyList(generatorAssemblyInputsFile);
writtenFiles.Add(new TaskItem(generatorAssemblyInputsFile));
this.GeneratedCompile = outputFiles.ToArray();
this.AdditionalWrittenFiles = writtenFiles.ToArray();
}).GetAwaiter().GetResult();
}
public void Execute()
{
Task.Run(async delegate
{
var project = this.CreateProject();
var outputFiles = new List <ITaskItem>();
// For incremental build, we want to consider the input->output files as well as the assemblies involved in code generation.
DateTime assembliesLastModified = GetLastModifiedAssemblyTime();
foreach (var inputDocument in project.Documents)
{
this.CancellationToken.ThrowIfCancellationRequested();
// Skip over documents that aren't on the prescribed list of files to scan.
if (!this.CompileToGenerateFromAttributes.Any(i => i.ItemSpec == inputDocument.Name))
{
continue;
}
string outputFilePath = Path.Combine(this.IntermediateOutputDirectory, Path.GetFileNameWithoutExtension(inputDocument.Name) + ".generated.cs");
// Code generation is relatively fast, but it's not free.
// And when we run the Simplifier.ReduceAsync it's dog slow.
// So skip files that haven't changed since we last generated them.
bool generated = false;
DateTime outputLastModified = File.GetLastWriteTime(outputFilePath);
if (File.GetLastWriteTime(inputDocument.Name) > outputLastModified || assembliesLastModified > outputLastModified)
{
this.Log.LogMessage(MessageImportance.Normal, "{0} -> {1}", inputDocument.Name, outputFilePath);
var outputDocument = await DocumentTransform.TransformAsync(inputDocument, new ProgressLogger(this.Log, inputDocument.Name));
// Only produce a new file if the generated document is not empty.
var semanticModel = await outputDocument.GetSemanticModelAsync(this.CancellationToken);
if (!CSharpDeclarationComputer.GetDeclarationsInSpan(semanticModel, TextSpan.FromBounds(0, semanticModel.SyntaxTree.Length), false, this.CancellationToken).IsEmpty)
{
var outputText = await outputDocument.GetTextAsync(this.CancellationToken);
using (var outputFileStream = File.OpenWrite(outputFilePath))
using (var outputWriter = new StreamWriter(outputFileStream))
{
outputText.Write(outputWriter);
// Truncate any data that may be beyond this point if the file existed previously.
outputWriter.Flush();
outputFileStream.SetLength(outputFileStream.Position);
}
generated = true;
}
}
else
{
generated = true;
}
if (generated)
{
var outputItem = new TaskItem(outputFilePath);
outputFiles.Add(outputItem);
}
}
this.GeneratedCompile = outputFiles.ToArray();
}).GetAwaiter().GetResult();
}