private bool ParseArguments()
{
ProjectPath = Options.ProjectArgument.Value;
if (string.IsNullOrEmpty(ProjectPath))
{
Application.Error.WriteLine("Project path not specified.");
return(false);
}
if (!OutputPathOption.HasValue())
{
Application.Error.WriteLine($"Option {OutputPathTemplate} does not specify a value.");
return(false);
}
if (!ApplicationNameOption.HasValue())
{
Application.Error.WriteLine($"Option {ApplicationNameTemplate} does not specify a value.");
return(false);
}
if (!Options.ContentRootOption.HasValue())
{
Application.Error.WriteLine($"Option {CommonOptions.ContentRootTemplate} does not specify a value.");
return(false);
}
return(true);
}
private int Execute()
{
if (!ParseArguments())
{
return(1);
}
MvcServiceProvider = new MvcServiceProvider(
ProjectPath,
ApplicationNameOption.Value(),
Options.ContentRootOption.Value(),
Options.ConfigureCompilationType.Value());
Application.Out.WriteLine("Running Razor view precompilation.");
var stopWatch = Stopwatch.StartNew();
var results = GenerateCode();
var success = true;
foreach (var result in results)
{
if (!result.GeneratorResults.Success)
{
success = false;
foreach (var error in result.GeneratorResults.ParserErrors)
{
Application.Error.WriteLine($"{error.Location.FilePath} ({error.Location.LineIndex}): {error.Message}");
}
}
}
if (!success)
{
return(1);
}
var precompileAssemblyName = $"{ApplicationNameOption.Value()}{ViewsFeatureProvider.PrecompiledViewsAssemblySuffix}";
var compilation = CompileViews(results, precompileAssemblyName);
var resources = GetResources(results);
var assemblyPath = Path.Combine(OutputPathOption.Value(), precompileAssemblyName + ".dll");
var emitResult = EmitAssembly(compilation, assemblyPath, resources);
if (!emitResult.Success)
{
foreach (var diagnostic in emitResult.Diagnostics)
{
Application.Error.WriteLine(CSharpDiagnosticFormatter.Instance.Format(diagnostic));
}
return(1);
}
stopWatch.Stop();
Application.Out.WriteLine($"Precompiled views emitted to {assemblyPath}.");
Application.Out.WriteLine($"Successfully compiled {results.Length} Razor views in {stopWatch.ElapsedMilliseconds}ms.");
return(0);
}
private CSharpCompilation CompileViews(ViewCompilationInfo[] results, string assemblyname)
{
var compiler = MvcServiceProvider.Compiler;
var compilation = compiler.CreateCompilation(assemblyname);
var syntaxTrees = new SyntaxTree[results.Length];
string[] additionalReferences = new string[]
{
@"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6\Microsoft.CSharp.dll",
//@"C:\Users\jbato\.nuget\packages\Microsoft.DiaSymReader.Native\1.4.0\runtimes\win-x64\native\Microsoft.DiaSymReader.Native.amd64.dll",
};
compilation = compilation.AddReferences(additionalReferences.Select(r => MetadataReference.CreateFromFile(r)));
Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
compilation = compilation.AddReferences(assemblies.Where(a => !a.IsDynamic).Select(a => MetadataReference.CreateFromFile(a.Location)));
Parallel.For(0, results.Length, ParalellOptions, i =>
{
var result = results[i];
var sourceText = SourceText.From(result.GeneratorResults.GeneratedCode, Encoding.UTF8);
var fileInfo = result.RelativeFileInfo;
var syntaxTree = compiler.CreateSyntaxTree(sourceText)
.WithFilePath(fileInfo.FileInfo.PhysicalPath ?? fileInfo.RelativePath);
syntaxTrees[i] = syntaxTree;
});
compilation = compilation.AddSyntaxTrees(syntaxTrees);
Parallel.For(0, results.Length, ParalellOptions, i =>
{
results[i].TypeName = ReadTypeInfo(compilation, syntaxTrees[i]);
});
// Post process the compilation - run ExpressionRewritter and any user specified callbacks.
compilation = ExpressionRewriter.Rewrite(compilation);
var compilationContext = new RoslynCompilationContext(compilation);
MvcServiceProvider.ViewEngineOptions.CompilationCallback(compilationContext);
compilation = compilationContext.Compilation;
var codeGenerator = new ViewInfoContainerCodeGenerator(compiler, compilation);
codeGenerator.AddViewFactory(results);
var assemblyName = new AssemblyName(ApplicationNameOption.Value());
assemblyName = Assembly.Load(assemblyName).GetName();
codeGenerator.AddAssemblyMetadata(assemblyName, StrongNameOptions);
return(codeGenerator.Compilation);
}
private void ParseArguments()
{
ProjectPath = Options.ProjectArgument.Value;
if (string.IsNullOrEmpty(ProjectPath))
{
throw new ArgumentException("Project path not specified.");
}
if (!OutputPathOption.HasValue())
{
throw new ArgumentException($"Option {OutputPathTemplate} does not specify a value.");
}
if (!ApplicationNameOption.HasValue())
{
throw new ArgumentException($"Option {ApplicationNameTemplate} does not specify a value.");
}
}
private CSharpCompilation CompileViews(ViewCompilationInfo[] results, string assemblyname)
{
var compiler = MvcServiceProvider.Compiler;
var compilation = compiler.CreateCompilation(assemblyname);
var syntaxTrees = new SyntaxTree[results.Length];
Parallel.For(0, results.Length, ParalellOptions, i =>
{
var result = results[i];
var sourceText = SourceText.From(result.GeneratorResults.GeneratedCode, Encoding.UTF8);
var fileInfo = result.RelativeFileInfo;
var syntaxTree = compiler.CreateSyntaxTree(sourceText)
.WithFilePath(fileInfo.FileInfo.PhysicalPath ?? fileInfo.RelativePath);
syntaxTrees[i] = syntaxTree;
});
compilation = compilation.AddSyntaxTrees(syntaxTrees);
Parallel.For(0, results.Length, ParalellOptions, i =>
{
results[i].TypeName = ReadTypeInfo(compilation, syntaxTrees[i]);
});
// Post process the compilation - run ExpressionRewritter and any user specified callbacks.
compilation = ExpressionRewriter.Rewrite(compilation);
var compilationContext = new RoslynCompilationContext(compilation);
MvcServiceProvider.ViewEngineOptions.CompilationCallback(compilationContext);
compilation = compilationContext.Compilation;
var codeGenerator = new ViewInfoContainerCodeGenerator(compiler, compilation);
codeGenerator.AddViewFactory(results);
var assemblyName = new AssemblyName(ApplicationNameOption.Value());
assemblyName = Assembly.Load(assemblyName).GetName();
codeGenerator.AddAssemblyMetadata(assemblyName, StrongNameOptions);
return(codeGenerator.Compilation);
}
