Task <CompilationResult> CompileAsync()
{
Debug.Assert(compileCodeState == null);
if (compileCodeState != null)
{
throw new InvalidOperationException();
}
var state = new CompileCodeState();
compileCodeState = state;
return(Task.Run(() => {
state.CancellationToken.ThrowIfCancellationRequested();
return languageCompiler.CompileAsync(state.CancellationToken);
}, state.CancellationToken));
}
async Task StartCompileAsync()
{
Result = null;
SetDiagnostics(Array.Empty <CompilerDiagnostic>());
bool canceled = false;
Exception caughtException = null;
CompilationResult?result = null;
try {
result = await CompileAsync();
}
catch (OperationCanceledException) {
canceled = true;
}
catch (Exception ex) {
caughtException = ex;
}
ModuleImporter moduleImporterResult = null;
var compilerDiagnostics = result?.Diagnostics ?? Array.Empty <CompilerDiagnostic>();
if (canceled)
{
// It gets canceled when the dialog box gets closed, or when Roslyn cancels the task
// for some unknown reason.
compilerDiagnostics = new CompilerDiagnostic[] {
new CompilerDiagnostic(CompilerDiagnosticSeverity.Error, "The task was canceled", "DSWTF!", null, null),
};
}
else if (caughtException != null)
{
compilerDiagnostics = new CompilerDiagnostic[] { ToCompilerDiagnostic(caughtException) };
}
else if (result?.Success == true)
{
try {
moduleImporterResult = new ModuleImporter(methodToEdit.Module);
moduleImporterResult.Import(result.Value.RawFile, result.Value.DebugFile, methodToEdit);
compilerDiagnostics = moduleImporterResult.Diagnostics;
if (compilerDiagnostics.Any(a => a.Severity == CompilerDiagnosticSeverity.Error))
{
moduleImporterResult = null;
}
}
catch (ModuleImporterAbortedException) {
compilerDiagnostics = moduleImporterResult.Diagnostics;
Debug.Assert(compilerDiagnostics.Length != 0);
moduleImporterResult = null;
}
catch (Exception ex) {
compilerDiagnostics = new CompilerDiagnostic[] { ToCompilerDiagnostic(ex) };
moduleImporterResult = null;
}
}
SetDiagnostics(compilerDiagnostics);
compileCodeState?.Dispose();
compileCodeState = null;
CanCompile = true;
if (moduleImporterResult != null)
{
Result = moduleImporterResult;
CodeCompiled?.Invoke(this, EventArgs.Empty);
}
// The compile button sometimes doesn't get enabled again
CommandManager.InvalidateRequerySuggested();
}
