public async Task <CompilationResult> Compile(IFileInfo fileInfo)
{
Directory.CreateDirectory(_tempDir);
string outFile = Path.Combine(_tempDir, Path.GetRandomFileName() + ".dll");
StringBuilder args = new StringBuilder("/target:library ");
args.AppendFormat("/out:\"{0}\" ", outFile);
foreach (var file in Directory.EnumerateFiles(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "*.dll"))
{
args.AppendFormat("/R:\"{0}\" ", file);
}
args.AppendFormat("\"{0}\"", fileInfo.PhysicalPath);
var outputStream = new MemoryStream();
// common execute
var process = CreateProcess(args.ToString());
int exitCode = await Start(process, outputStream);
string output = GetString(outputStream);
if (exitCode != 0)
{
IEnumerable <CompilationMessage> messages = output.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries)
.Skip(3)
.Select(e => new CompilationMessage(e));
return(CompilationResult.Failed(String.Empty, messages));
}
var type = Assembly.LoadFrom(outFile)
.GetExportedTypes()
.First();
return(CompilationResult.Successful(String.Empty, type));
}
private async Task <CompilationResult> CompileCore(IFileInfo file)
{
var host = new MvcRazorHost();
var engine = new RazorTemplateEngine(host);
GeneratorResults results;
using (TextReader rdr = new StreamReader(file.CreateReadStream()))
{
results = engine.GenerateCode(rdr, '_' + Path.GetFileNameWithoutExtension(file.Name), "Asp", file.PhysicalPath ?? file.Name);
}
string generatedCode;
using (var writer = new StringWriter())
using (var codeProvider = new CSharpCodeProvider())
{
codeProvider.GenerateCodeFromCompileUnit(results.GeneratedCode, writer, new CodeGeneratorOptions());
generatedCode = writer.ToString();
}
if (!results.Success)
{
return(CompilationResult.Failed(generatedCode, results.ParserErrors.Select(e => new CompilationMessage(e.Message))));
}
Directory.CreateDirectory(_tempPath);
string tempFile = Path.Combine(_tempPath, Path.GetRandomFileName() + ".cs");
File.WriteAllText(tempFile, generatedCode);
_tempFileSystem.TryGetFileInfo(tempFile, out file);
return(await _baseCompilationService.Compile(file));
}
/// <inheritdoc />
public CompilationResult Compile([NotNull] RelativeFileInfo file)
{
GeneratorResults results;
using (var inputStream = file.FileInfo.CreateReadStream())
{
results = _razorHost.GenerateCode(
file.RelativePath, inputStream);
}
if (!results.Success)
{
var messages = results.ParserErrors.Select(e => new CompilationMessage(e.Message));
return(CompilationResult.Failed(file.FileInfo, results.GeneratedCode, messages));
}
return(_compilationService.Compile(file.FileInfo, results.GeneratedCode));
}
internal CompilationResult CompileCore(IFileInfo file)
{
GeneratorResults results;
using (var inputStream = file.CreateReadStream())
{
Contract.Assert(file.PhysicalPath.StartsWith(_appRoot, StringComparison.OrdinalIgnoreCase));
var rootRelativePath = file.PhysicalPath.Substring(_appRoot.Length);
results = _razorHost.GenerateCode(rootRelativePath, inputStream);
}
if (!results.Success)
{
var messages = results.ParserErrors.Select(e => new CompilationMessage(e.Message));
return(CompilationResult.Failed(file, results.GeneratedCode, messages));
}
return(_baseCompilationService.Compile(file, results.GeneratedCode));
}
/// <inheritdoc />
public CompilationResult Compile([NotNull] RelativeFileInfo file)
{
GeneratorResults results;
using (var inputStream = file.FileInfo.CreateReadStream())
{
results = _razorHost.GenerateCode(
file.RelativePath, inputStream);
}
if (!results.Success)
{
var messages = results.ParserErrors
.Select(parseError => new RazorCompilationMessage(parseError, file.RelativePath));
var failure = new RazorCompilationFailure(
file.RelativePath,
ReadFileContentsSafely(file.FileInfo),
messages);
return(CompilationResult.Failed(failure));
}
return(_compilationService.Compile(file, results.GeneratedCode));
}
/// <inheritdoc />
public CompilationResult Compile([NotNull] IFileInfo fileInfo, [NotNull] string compilationContent)
{
// The path passed to SyntaxTreeGenerator.Generate is used by the compiler to generate symbols (pdb) that
// map to the source file. If a file does not exist on a physical file system, PhysicalPath will be null.
// This prevents files that exist in a non-physical file system from being debugged.
var path = fileInfo.PhysicalPath ?? fileInfo.Name;
var compilationSettings = _compilerOptionsProvider.GetCompilationSettings(_environment);
var syntaxTree = SyntaxTreeGenerator.Generate(compilationContent,
path,
compilationSettings);
var references = _applicationReferences.Value;
var assemblyName = Path.GetRandomFileName();
var compilationOptions = compilationSettings.CompilationOptions
.WithOutputKind(OutputKind.DynamicallyLinkedLibrary);
var compilation = CSharpCompilation.Create(assemblyName,
options: compilationOptions,
syntaxTrees: new[] { syntaxTree },
references: references);
using (var ms = new MemoryStream())
{
using (var pdb = new MemoryStream())
{
EmitResult result;
if (_supportsPdbGeneration.Value)
{
result = compilation.Emit(ms, pdbStream: pdb);
}
else
{
result = compilation.Emit(ms);
}
if (!result.Success)
{
var formatter = new DiagnosticFormatter();
var messages = result.Diagnostics
.Where(IsError)
.Select(d => GetCompilationMessage(formatter, d))
.ToList();
return(CompilationResult.Failed(fileInfo, compilationContent, messages));
}
Assembly assembly;
ms.Seek(0, SeekOrigin.Begin);
if (_supportsPdbGeneration.Value)
{
pdb.Seek(0, SeekOrigin.Begin);
assembly = _loader.LoadStream(ms, pdb);
}
else
{
assembly = _loader.LoadStream(ms, assemblySymbols: null);
}
var type = assembly.GetExportedTypes()
.First(t => t.Name.StartsWith(_classPrefix, StringComparison.Ordinal));
return(UncachedCompilationResult.Successful(type, compilationContent));
}
}
}
