private static TemplateDescriptor Compile(
string source,
IReadOnlyList <MetadataReference> references,
AssemblyLoadContext assemblyLoadContext)
{
var csharpCode = ToCSharp(source);
var csharpDocumentAst = CSharpSyntaxTree.ParseText(csharpCode);
var csharpDocumentCompilation = CSharpCompilation.Create(
$"MiniRazor_Assembly_{Guid.NewGuid()}",
new[] { csharpDocumentAst },
references,
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)
);
using var assemblyStream = new MemoryStream();
var csharpDocumentCompilationResult = csharpDocumentCompilation.Emit(assemblyStream);
if (!csharpDocumentCompilationResult.Success)
{
throw MiniRazorException.CompilationFailed(
csharpCode,
csharpDocumentCompilationResult.Diagnostics
);
}
assemblyStream.Seek(0, SeekOrigin.Begin);
var templateAssembly = assemblyLoadContext.LoadFromStream(assemblyStream);
var templateType =
templateAssembly.GetTypes().FirstOrDefault(t => t.Implements(typeof(ITemplate))) ??
throw new InvalidOperationException("Could not locate compiled template in the generated assembly.");
return(new TemplateDescriptor(templateType));
}
private Assembly CompileRazorCode(string assemblyName, RazorCodeDocument codeDocument)
{
var csharpDocument = codeDocument.GetCSharpDocument();
var csharpDocumentAst = CSharpSyntaxTree.ParseText(csharpDocument.GeneratedCode);
var csharpDocumentCompilation = CSharpCompilation.Create(
assemblyName,
new[] { csharpDocumentAst },
_metadataReferencesLazy.Value,
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)
);
using var assemblyStream = new MemoryStream();
var csharpDocumentCompilationResult = csharpDocumentCompilation.Emit(assemblyStream);
if (!csharpDocumentCompilationResult.Success)
{
throw MiniRazorException.CompilationFailed(
csharpDocument.GeneratedCode,
csharpDocumentCompilationResult.Diagnostics
);
}
assemblyStream.Seek(0, SeekOrigin.Begin);
return(_assemblyLoadContext.LoadFromStream(assemblyStream));
}