public static CompiledAssemblyResult GetAssemblyFromCompilation(
CSharpCompilation compilation)
{
EmitResult result;
using (var ms = new MemoryStream())
{
using (var pdb = new MemoryStream())
{
if (_isMono.Value)
{
result = compilation.Emit(ms, pdbStream: null);
}
else
{
result = compilation.Emit(ms, pdbStream: pdb);
}
if (!result.Success)
{
var formatter = new DiagnosticFormatter();
var errorMessages = result.Diagnostics
.Where(IsError)
.Select(d => formatter.Format(d));
return CompiledAssemblyResult.FromErrorMessages(errorMessages);
}
Assembly assembly;
if (_isMono.Value)
{
var assemblyLoadMethod = typeof(Assembly).GetTypeInfo().GetDeclaredMethods("Load")
.First(
m =>
{
var parameters = m.GetParameters();
return parameters.Length == 1 && parameters[0].ParameterType == typeof(byte[]);
});
assembly = (Assembly)assemblyLoadMethod.Invoke(null, new[] { ms.ToArray() });
}
else
{
var assemblyLoadMethod = typeof(Assembly).GetTypeInfo().GetDeclaredMethods("Load")
.First(
m =>
{
var parameters = m.GetParameters();
return parameters.Length == 2
&& parameters[0].ParameterType == typeof(byte[])
&& parameters[1].ParameterType == typeof(byte[]);
});
assembly = (Assembly)assemblyLoadMethod.Invoke(null, new[] { ms.ToArray(), pdb.ToArray() });
}
return CompiledAssemblyResult.FromAssembly(assembly);
}
}
}
public static bool CompileCSharp(
IEnumerable <string> sourceFiles,
string outputPath,
IEnumerable <string> references,
IEnumerable <string> defines,
out List <string> messages
)
{
CS.CSharpCompilation compilation =
CreateCSharpCompilation(
sourceFiles,
Path.GetFileName(outputPath),
references,
defines,
out messages
);
// compile and write results
var result = compilation.Emit(outputPath);
foreach (var diag in result.Diagnostics)
{
messages.Add(diag.ToString());
}
return(result.Success);
}
public static bool CompileCSharp(
IEnumerable <string> sourceFiles,
string outputPath,
IEnumerable <string> references,
IEnumerable <string> defines,
bool debug,
out List <string> messages
)
{
CS.CSharpCompilation compilation =
CreateCSharpCompilation(
sourceFiles,
Path.GetFileName(outputPath),
references,
defines,
debug,
out messages
);
// compile and write results
EmitResult result;
if (debug)
{
string pdbName = Path.Combine(
Path.GetDirectoryName(outputPath),
Path.GetFileNameWithoutExtension(outputPath) + ".pdb"
);
result = compilation.Emit(outputPath, pdbName);
}
else
{
result = compilation.Emit(outputPath);
}
foreach (var diag in result.Diagnostics)
{
messages.Add(diag.ToString());
}
return(result.Success);
}
private Assembly CreateAssembly(CSharpCompilation compilation)
{
using (var outputStream = new MemoryStream())
using (var pdbStream = new MemoryStream())
{
// Emit assembly to streams
var result = compilation.Emit(outputStream, pdbStream);
if (!result.Success)
{
throw new CompilationException(result);
}
// Load the compiled assembly;
var assembly = Assembly.Load(outputStream.ToArray(), pdbStream.ToArray());
return assembly;
}
}
/// <summary>
/// Compile source files to assembly<br/>
/// 编译源代码到程序集<br/>
/// </summary>
public void Compile(IList <string> sourceFiles,
string assemblyName, string assemblyPath)
{
// Parse source files into syntax trees
// Also define NETCORE for .Net Core
var parseOptions = CSharpParseOptions.Default;
parseOptions = parseOptions.WithPreprocessorSymbols("NETCORE");
var syntaxTrees = sourceFiles
.Select(path => CSharpSyntaxTree.ParseText(
File.ReadAllText(path), parseOptions, path, Encoding.UTF8))
.ToList();
LoadAssembliesFromUsings(syntaxTrees);
// Add loaded assemblies to compile references
var assemblyLoader = new NetAssemblyLoader();
var references = assemblyLoader.GetLoadedAssemblies()
.Select(assembly => assembly.Location)
.Select(path => MetadataReference.CreateFromFile(path))
.ToList();
var optimizationLevel = OptimizationLevel.Release;
var compilationOptions = new CSharpCompilationOptions(
OutputKind.DynamicallyLinkedLibrary,
optimizationLevel: optimizationLevel);
// Compile to assembly, throw exception if error occurred
Microsoft.CodeAnalysis.CSharp.CSharpCompilation compilation = CSharpCompilation.Create(assemblyName)
.WithOptions(compilationOptions)
.AddReferences(references)
.AddSyntaxTrees(syntaxTrees);
Microsoft.CodeAnalysis.Emit.EmitResult emitResult = compilation.Emit(assemblyPath);
if (!emitResult.Success)
{
throw new Exception(string.Join("\r\n",
emitResult.Diagnostics.Where(d => d.WarningLevel == 0)));
}
}
/// <summary>
/// Builds the assembly.
/// </summary>
protected virtual Assembly BuildAssembly(CSharpCompilation compilation)
{
using (var ms = new MemoryStream())
{
var result = compilation.Emit(ms);
if (result.Success)
{
var assembly = Assembly.Load(ms.ToArray());
assemblyCache.AddAssembly(assembly, compilation.ToMetadataReference());
return assembly;
}
else
{
throw new Exception("The compilation failed! This is most probably bug in the DotVVM framework.\r\n\r\n"
+ string.Join("\r\n", result.Diagnostics)
+ "\r\n\r\n" + compilation.SyntaxTrees[0].GetRoot().NormalizeWhitespace() + "\r\n\r\n"
+ "References: " + string.Join("\r\n", compilation.ReferencedAssemblyNames.Select(n => n.Name)));
}
}
}
private void Save()
{
if (Options.FullCompile)
{
var bindingsAssemblyPath = bindingCompiler.OutputFileName;
bindingCompiler.SaveAssembly();
Program.WriteInfo("bindings saved to " + bindingsAssemblyPath);
compilation = compilation.AddReferences(MetadataReference.CreateFromFile(Path.GetFullPath(bindingsAssemblyPath)));
var compiledViewsFileName = Path.Combine(Options.OutputPath, Options.AssemblyName + ".dll");
//Directory.CreateDirectory("outputCS");
//int i = 0;
//foreach (var tree in compilation.SyntaxTrees)
//{
// File.WriteAllText($"outputCS/file{i++}.cs", tree.GetRoot().NormalizeWhitespace().ToString());
//}
var result = compilation.Emit(compiledViewsFileName);
if (!result.Success)
{
throw new Exception("compilation failed");
}
Program.WriteInfo("views saved to " + compiledViewsFileName);
}
}
