protected override Completion ExecuteInternal(EvaluationContext context)
{
var engine = context.Engine;
var env = engine.ExecutionContext.LexicalEnvironment;
var F = _classDefinition.BuildConstructor(context, env);
var classBinding = _classDefinition._className;
if (classBinding != null)
{
env.InitializeBinding(classBinding, F);
}
return(Completion.Empty());
}
public Module LoadModule(Engine engine, ResolvedSpecifier resolved)
{
Module module;
try
{
string code;
lock (_fileSystem)
{
var fileName = Path.Combine(_basePath, resolved.Key).Replace('\\', '/');
using var stream = new StreamReader(_fileSystem.OpenFile(fileName, FileMode.Open, FileAccess.Read));
code = stream.ReadToEnd();
}
var parserOptions = new ParserOptions(resolved.Uri?.LocalPath !)
{
AdaptRegexp = true,
Tolerant = true
};
module = new JavaScriptParser(code, parserOptions).ParseModule();
}
catch (ParserException ex)
{
ExceptionHelper.ThrowSyntaxError(engine.Realm, $"Error while loading module: error in module '{resolved.Uri?.LocalPath}': {ex.Error}");
module = null;
}
catch (Exception ex)
{
var message = $"Could not load module {resolved.Uri?.LocalPath}: {ex.Message}";
ExceptionHelper.ThrowJavaScriptException(engine, message, Completion.Empty());
module = null;
}
return(module);
}
protected override Completion ExecuteInternal(EvaluationContext context)
{
var env = context.Engine.ExecutionContext.LexicalEnvironment;
JsValue value;
if (_classDefinition is not null)
{
value = _classDefinition.BuildConstructor(context, env);
var classBinding = _classDefinition._className;
if (classBinding != null)
{
env.CreateMutableBinding(classBinding);
env.InitializeBinding(classBinding, value);
}
}
else if (_functionDeclaration is not null)
{
value = _functionDeclaration.Execute(context).GetValueOrDefault();
}
else if (_assignmentExpression is not null)
{
value = _assignmentExpression.GetValue(context).GetValueOrDefault();
}
else
{
value = _simpleExpression !.GetValue(context).GetValueOrDefault();
}
if (value is ObjectInstance oi && !oi.HasOwnProperty("name"))
{
oi.SetFunctionName("default");
}
env.InitializeBinding("*default*", value);
return(Completion.Empty());
}
protected override Completion ExecuteInternal(EvaluationContext context)
{
return(Completion.Empty());
}
protected override Completion ExecuteInternal(EvaluationContext context)
{
// just to ensure module context or valid
context.Engine.GetActiveScriptOrModule().AsModule(context.Engine, context.LastSyntaxNode.Location);
return(Completion.Empty());
}