/// <summary>
/// 拿到异常之后进行后处理，如果处理后可以重编译，将再次编译
/// </summary>
/// <param name="errors"></param>
/// <returns></returns>
private bool CanRetryCompile(ImmutableArray <Diagnostic> errors)
{
if (CanRetry)
{
_retryCount += 1;
if (_retryCount < RetryLimit)
{
return(true);
}
}
Exceptions = NatashaExceptionAnalyzer.GetCompileException(Compiler.AssemblyName, errors);
return(false);
}
/// <summary>
/// 将 SyntaxTrees 中的语法树编译到程序集.如果不成功会抛出 NatashaException.
/// </summary>
/// <remarks>
/// <example>
/// <code>
///
/// //程序集的域加载行为, 该行为决定了编译后的程序集随着依赖加载到域中的处理结果.
/// //和加载插件原理相同.
/// builder.CompileWithAssemblyLoadBehavior(enum);
///
/// //编译单元的引用加载行为, 遇到同名不同版本的引用该如何处理.
/// builder.CompileWithReferenceLoadBehavior(enum);
/// builder.CompileWithReferencesFilter(func);
///
/// </code>
/// </example>
/// </remarks>
public Assembly GetAssembly()
{
#if DEBUG
Stopwatch stopwatch = new();
stopwatch.Start();
#endif
//Mark : 26ms
if (_compileReferenceBehavior == LoadBehaviorEnum.None)
{
_compilerOptions.SetSupersedeLowerVersions(true);
}
var options = _compilerOptions.GetCompilationOptions();
var references = Domain.GetReferences(_compileReferenceBehavior, _referencePickFunc);
var compilation = CSharpCompilation.Create(AssemblyName, SyntaxTrees, references, options);
#if DEBUG
stopwatch.RestartAndShowCategoreInfo("[Compiler]", "获取编译单元", 2);
#endif
if (EnableSemanticHandler)
{
foreach (var item in _semanticAnalysistor)
{
compilation = item(this, compilation);
}
lock (SyntaxTrees)
{
SyntaxTrees.Clear();
SyntaxTrees.AddRange(compilation.SyntaxTrees);
}
}
#if DEBUG
stopwatch.RestartAndShowCategoreInfo("[Semantic]", "语义处理", 2);
#endif
Stream dllStream;
Stream pdbStream;
Stream?xmlStream = null;
if (DllFilePath != string.Empty)
{
dllStream = File.Create(DllFilePath);
}
else
{
dllStream = new MemoryStream();
}
if (PdbFilePath != string.Empty)
{
pdbStream = File.Create(PdbFilePath);
}
else
{
pdbStream = new MemoryStream();
}
if (XmlFilePath != string.Empty)
{
xmlStream = File.Create(XmlFilePath);
}
var compileResult = compilation.Emit(
dllStream,
pdbStream: pdbStream,
xmlDocumentationStream: xmlStream,
options: new EmitOptions(pdbFilePath: PdbFilePath == string.Empty ? null : PdbFilePath, debugInformationFormat: DebugInformationFormat.PortablePdb));
LogCompilationEvent?.Invoke(compilation.GetNatashaLog());
Assembly?assembly = null;
if (compileResult.Success)
{
dllStream.Seek(0, SeekOrigin.Begin);
pdbStream?.Seek(0, SeekOrigin.Begin);
Domain.SetAssemblyLoadBehavior(_compileAssemblyBehavior);
assembly = Domain.LoadAssemblyFromStream(dllStream, pdbStream);
CompileSucceedEvent?.Invoke(compilation, assembly !);
}
dllStream.Dispose();
pdbStream?.Dispose();
xmlStream?.Dispose();
#if DEBUG
stopwatch.StopAndShowCategoreInfo("[ Emit ]", "编译时长", 2);
#endif
if (!compileResult.Success)
{
CompileFailedEvent?.Invoke(compilation, compileResult.Diagnostics);
throw NatashaExceptionAnalyzer.GetCompileException(compilation, compileResult.Diagnostics);
}
return(assembly !);
}