/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-12.10
/// </summary>
/// <param name="withStatement"></param>
/// <returns></returns>
public Completion ExecuteWithStatement(WithStatement withStatement)
{
var val = _engine.EvaluateExpression(withStatement.Object);
var obj = TypeConverter.ToObject(_engine, _engine.GetValue(val));
var oldEnv = _engine.ExecutionContext.LexicalEnvironment;
var newEnv = new LexicalEnvironment();
newEnv.Setup(new ObjectEnvironmentRecord(_engine, obj, true), oldEnv);
_engine.ExecutionContext.LexicalEnvironment = newEnv;
Completion c;
try
{
c = ExecuteStatement(withStatement.Body);
}
catch (JavaScriptException e)
{
c = new Completion(Completion.Throw, e.Error, null);
c.Location = withStatement.Location;
}
finally
{
_engine.ExecutionContext.LexicalEnvironment = oldEnv;
}
return(c);
}
public Engine(Action <Options> options)
{
_executionContexts = new Stack <ExecutionContext>();
Global = GlobalObject.CreateGlobalObject(this);
Object = ObjectConstructor.CreateObjectConstructor(this);
Function = FunctionConstructor.CreateFunctionConstructor(this);
Array = ArrayConstructor.CreateArrayConstructor(this);
String = StringConstructor.CreateStringConstructor(this);
RegExp = RegExpConstructor.CreateRegExpConstructor(this);
Number = NumberConstructor.CreateNumberConstructor(this);
Boolean = BooleanConstructor.CreateBooleanConstructor(this);
Date = DateConstructor.CreateDateConstructor(this);
Math = MathInstance.CreateMathObject(this);
Json = JsonInstance.CreateJsonObject(this);
Error = ErrorConstructor.CreateErrorConstructor(this, "Error");
EvalError = ErrorConstructor.CreateErrorConstructor(this, "EvalError");
RangeError = ErrorConstructor.CreateErrorConstructor(this, "RangeError");
ReferenceError = ErrorConstructor.CreateErrorConstructor(this, "ReferenceError");
SyntaxError = ErrorConstructor.CreateErrorConstructor(this, "SyntaxError");
TypeError = ErrorConstructor.CreateErrorConstructor(this, "TypeError");
UriError = ErrorConstructor.CreateErrorConstructor(this, "URIError");
// Because the properties might need some of the built-in object
// their configuration is delayed to a later step
Global.Configure();
Object.Configure();
Object.PrototypeObject.Configure();
Function.Configure();
Function.PrototypeObject.Configure();
Array.Configure();
Array.PrototypeObject.Configure();
String.Configure();
String.PrototypeObject.Configure();
RegExp.Configure();
RegExp.PrototypeObject.Configure();
Number.Configure();
Number.PrototypeObject.Configure();
Boolean.Configure();
Boolean.PrototypeObject.Configure();
Date.Configure();
Date.PrototypeObject.Configure();
Math.Configure();
Json.Configure();
Error.Configure();
Error.PrototypeObject.Configure();
// create the global environment http://www.ecma-international.org/ecma-262/5.1/#sec-10.2.3
GlobalEnvironment = new LexicalEnvironment();
GlobalEnvironment.Setup(new ObjectEnvironmentRecord(this, Global, false), null);
// create the global execution context http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.1.1
EnterExecutionContext(GlobalEnvironment, GlobalEnvironment, Global);
Options = new Options();
if (options != null)
{
options(Options);
}
Eval = new EvalFunctionInstance(this, new string[0], LexicalEnvironment.NewDeclarativeEnvironment(this, ExecutionContext.LexicalEnvironment), StrictModeScope.IsStrictModeCode);
Global.FastAddProperty("eval", Eval, true, false, true);
_statements = new StatementInterpreter(this);
_expressions = new ExpressionInterpreter(this);
if (Options._IsClrAllowed)
{
Global.FastAddProperty("System", new NamespaceReference(this, "System"), false, false, false);
Global.FastAddProperty("importNamespace", new ClrFunctionInstance(this, (thisObj, arguments) =>
{
return(new NamespaceReference(this, TypeConverter.ToString(arguments.At(0))));
}), false, false, false);
}
ClrTypeConverter = new DefaultTypeConverter(this);
BreakPoints = new List <BreakPoint>();
DebugHandler = new DebugHandler(this);
}
