/// <summary>
/// Displays an error
/// </summary>
/// <param name="targetElementId">HTML id to put error information into</param>
/// <param name="e">Exception to get error info out of</param>
internal static void DisplayError(string targetElementId, Exception e)
{
// we only support displaying one error
if (_displayedError)
{
return;
}
_displayedError = true;
// keep track of the runtime if it exists
if (DynamicApplication.Current.Engine != null)
{
_runtime = DynamicApplication.Current.Engine.Runtime;
}
// show the window in the targetElementId
Window.Show(targetElementId);
// show the Repl if we can get to the current engine
if (DynamicApplication.Current.Engine != null)
{
Repl.Show();
}
// format the Exception
string result;
try {
result = FormatErrorAsHtml(e);
} catch (Exception ex) {
result = EscapeHtml(ex.ToString());
}
// Create a "div" with class/id set as the _errorReportId, and put
// formatted exception into it.
var report = HtmlPage.Document.CreateElement("div");
report.Id = report.CssClass = _errorReportId;
report.SetProperty("innerHTML", result);
// Adds a new panel to the "Window", initialize it, and force the panel to be shown.
Window.Current.AddPanel("Error Report (" + EscapeHtml(new DynamicExceptionInfo(e).ErrorTypeName) + ")", report);
Window.Current.Initialize();
Window.Current.ShowPanel(report.Id);
}
/// <summary>
/// Starts the dynamic application
/// </summary>
void DynamicApplication_Startup(object sender, StartupEventArgs e)
{
Settings.Parse(InitParams = NormalizeInitParams(e.InitParams));
ScriptTags = new DynamicScriptTags(LanguagesConfig);
XamlScriptTags.Load();
LanguagesConfig.DownloadLanguages(AppManifest, () => {
ScriptTags.DownloadExternalCode(() => {
Engine = new DynamicEngine();
if (Settings.ConsoleEnabled && LanguagesConfig.LanguagesUsed.Count > 0)
{
Console = Repl.Show();
}
LanguageTypeExtensions.Load(Engine.LangConfig);
ScriptTags.Run(Engine);
Engine.Run(Settings.EntryPoint);
});
});
}
private void Application_Startup(object sender, StartupEventArgs e)
{
this.RootVisual = new MainPage();
var runtime = Silverlight.DynamicEngine.CreateRuntime();
_python = runtime.GetEngine("python");
_scope = _python.CreateScope();
_repl = Silverlight.Repl.Show(_python, _scope);
_scope.SetVariable("app", this);
try {
test("Execute strings", "4", "2 + 2");
test("Import .NET namespace", "hi", @"import System
System.String('hi')");
_python.Execute(@"import foo
foo.test(app)
foo.test_import(app)", _scope);
} catch(Exception ex) {
_repl.OutputBuffer.WriteLine("[FAIL]");
_repl.OutputBuffer.Write(_python.GetService<Hosting.ExceptionOperations>().FormatException(ex));
}
}
private IReplFormatter GetReplFormatter(Repl instance)
{
_neutralFormatter = new LanguageNeutralFormatter(this);
if (_engine.Setup.FileExtensions.Count > 0)
{
string path = string.Format("repl_formatter{0}", _engine.Setup.FileExtensions[0]);
string code = DynamicApplication.GetResource(path);
if (code != null)
{
var scope = _engine.CreateScope();
try {
_engine.CreateScriptSourceFromString(code, path).Execute(scope);
var CreateReplFormatter = scope.GetVariable <Func <Repl, IReplFormatter, IReplFormatter> >("create_repl_formatter");
if (CreateReplFormatter != null)
{
return(CreateReplFormatter(this, _neutralFormatter));
}
} catch (Exception e) {
DynamicApplication.Current.HandleException(this, e);
}
}
}
return(_neutralFormatter);
}
public ReplInputBuffer(Repl console) {
_console = console;
}
public static HtmlElement Create(ScriptEngine engine, ScriptScope scope) {
HtmlElement replDiv = null;
if (_current == null) {
replDiv = HtmlPage.Document.CreateElement("div");
replDiv.Id = _sdlr;
replDiv.SetProperty("innerHTML", _replHtmlTemplate);
_current = new Repl(engine, scope);
}
return replDiv;
}
public LanguageNeutralFormatter(Repl repl) {
CurrentRepl = repl;
}
private IReplFormatter GetReplFormatter(Repl instance) {
_neutralFormatter = new LanguageNeutralFormatter(this);
if (_engine.Setup.FileExtensions.Count > 0) {
string path = string.Format("repl_formatter{0}", _engine.Setup.FileExtensions[0]);
string code = DynamicApplication.GetResource(path);
if (code != null) {
var scope = _engine.CreateScope();
try {
_engine.CreateScriptSourceFromString(code, path).Execute(scope);
var CreateReplFormatter = scope.GetVariable<Func<Repl, IReplFormatter, IReplFormatter>>("create_repl_formatter");
if (CreateReplFormatter != null) {
return CreateReplFormatter(this, _neutralFormatter);
}
} catch (Exception e) {
DynamicApplication.Current.HandleException(this, e);
}
}
}
return _neutralFormatter;
}
public ReplInputBuffer(Repl console)
{
_console = console;
}
public LanguageNeutralFormatter(Repl repl)
{
CurrentRepl = repl;
}
