private WebPageBase CreatePage(ViewContext viewContext, System.IO.TextWriter writer, out WebPageContext pageContext, out WebPageRenderingBase startPage)
{
var basePage = (WebPageBase)Activator.CreateInstance(_viewType);
basePage.VirtualPath = _virtualPath;
basePage.VirtualPathFactory = _viewEngine.VirtualPathFactory;
pageContext = new WebPageContext(viewContext.HttpContext, basePage, viewContext.ViewData?.Model);
startPage = _runViewStart
? StartPage.GetStartPage(basePage, "_ViewStart", _viewEngine.FileExtensions)
: null;
var viewPage = basePage as WebViewPage;
if (viewPage != null)
{
if (!string.IsNullOrEmpty(_masterPath))
{
Hacks.SetOverriddenLayoutPath(viewPage, _masterPath);
}
viewPage.ViewContext = viewContext;
viewPage.ViewData = viewContext.ViewData;
viewPage.InitHelpers();
}
return(basePage);
}
private static Assembly CompileToAssembly(WebPageRazorHost host, SyntaxTree syntaxTree)
{
var compilation = CSharpCompilation.Create(
"RoslynRazor", // Note: using a fixed assembly name, which doesn't matter as long as we don't expect cross references of generated assemblies
new[] { syntaxTree },
BuildManager.GetReferencedAssemblies().OfType <Assembly>().Select(ResolveReference),
new CSharpCompilationOptions(
outputKind: OutputKind.DynamicallyLinkedLibrary,
assemblyIdentityComparer: DesktopAssemblyIdentityComparer.Default,
optimizationLevel: host.DefaultDebugCompilation ? OptimizationLevel.Debug : OptimizationLevel.Release));
compilation = Hacks.MakeValueTuplesWorkWhenRunningOn47RuntimeAndTargetingNet45Plus(compilation);
using (var dllStream = new MemoryStream())
using (var pdbStream = new MemoryStream())
{
EmitResult emitResult = compilation.Emit(dllStream, pdbStream);
if (!emitResult.Success)
{
Diagnostic diagnostic = emitResult.Diagnostics.First(x => x.Severity == DiagnosticSeverity.Error);
string message = diagnostic.ToString();
LinePosition linePosition = diagnostic.Location.GetMappedLineSpan().StartLinePosition;
throw new HttpParseException(message, null, host.VirtualPath, null, linePosition.Line + 1);
}
return(Assembly.Load(dllStream.GetBuffer(), pdbStream.GetBuffer()));
}
}
private static Assembly CompileToAssembly(WebPageRazorHost host, SyntaxTree syntaxTree, ICollection <ICompileModule> compilationModules)
{
var strArgs = new List <string>();
strArgs.Add("/target:library");
strArgs.Add(host.DefaultDebugCompilation ? "/o-" : "/o+");
strArgs.Add(host.DefaultDebugCompilation ? "/debug+" : "/debug-");
var cscArgs = CSharpCommandLineParser.Default.Parse(strArgs, null, null);
var compilation = CSharpCompilation.Create(
"RoslynRazor", // Note: using a fixed assembly name, which doesn't matter as long as we don't expect cross references of generated assemblies
new[] { syntaxTree },
BuildManager.GetReferencedAssemblies().OfType <Assembly>().Select(ResolveReference),
cscArgs.CompilationOptions.WithAssemblyIdentityComparer(DesktopAssemblyIdentityComparer.Default));
compilation = Hacks.MakeValueTuplesWorkWhenRunningOn47RuntimeAndTargetingNet45Plus(compilation);
var diagnostics = new List <Diagnostic>();
var context = new CompileContext(compilationModules);
context.Before(new BeforeCompileContext
{
Arguments = cscArgs,
Compilation = compilation,
Diagnostics = diagnostics,
});
compilation = context.BeforeCompileContext.Compilation;
using (var dllStream = new MemoryStream())
using (var pdbStream = new MemoryStream())
{
EmitResult emitResult = compilation.Emit(dllStream, pdbStream);
diagnostics.AddRange(emitResult.Diagnostics);
if (!emitResult.Success)
{
Diagnostic diagnostic = diagnostics.First(x => x.Severity == DiagnosticSeverity.Error);
string message = diagnostic.ToString();
LinePosition linePosition = diagnostic.Location.GetMappedLineSpan().StartLinePosition;
throw new HttpParseException(message, null, host.VirtualPath, null, linePosition.Line + 1);
}
context.After(new AfterCompileContext
{
Arguments = context.BeforeCompileContext.Arguments,
AssemblyStream = dllStream,
Compilation = compilation,
Diagnostics = diagnostics,
SymbolStream = pdbStream,
XmlDocStream = null,
});
return(Assembly.Load(dllStream.GetBuffer(), pdbStream.GetBuffer()));
}
}
