public void ExecuteCallback(object obj, object state, object args)
{
var visitor = (IJintVisitor)obj;
JsInstance[] jsPrameters = JsClr.ConvertParametersBack(visitor, new[] { state, args });
visitor.ExecuteFunction(this, null, jsPrameters);
}
public void ExecuteStandalone(object obj, params object[] parameters)
{
var visitor = (IJintVisitor)obj;
JsInstance[] jsPrameters = JsClr.ConvertParametersBack(visitor, parameters);
visitor.ExecuteFunction(this, null, jsPrameters);
}
public JsClr WrapClr(object value)
{
if (value == null)
{
return(new JsClr(Visitor, null));
}
JsClr clr = new JsClr(Visitor, value);
switch (Convert.GetTypeCode(value))
{
case TypeCode.Boolean:
clr.Prototype = BooleanClass.Prototype;
break;
case TypeCode.Char:
case TypeCode.String:
clr.Prototype = StringClass.Prototype;
break;
case TypeCode.DateTime:
clr.Prototype = DateClass.Prototype;
break;
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Single:
clr.Prototype = NumberClass.Prototype;
break;
case TypeCode.Object:
case TypeCode.DBNull:
case TypeCode.Empty:
default:
if (value is System.Collections.IEnumerable)
{
clr.Prototype = ArrayClass.Prototype;
}
else
{
clr.Prototype = ObjectClass.Prototype;
}
break;
}
return(clr);
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
object[] nativeValue = JsClr.ConvertParameters(value);
System.Reflection.PropertyInfo pi = getter.GetValue(that.Value, Name, nativeValue);
object val = nativeValue [0];
if (!pi.PropertyType.Equals(val.GetType()))
{
Type t = pi.PropertyType;
if (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable <>))
{
t = Nullable.GetUnderlyingType(t);
}
val = Convert.ChangeType(val, t);
}
pi.SetValue(that.Value, val, null);
}
public JsClr WrapClr(object value)
{
if (value == null)
{
return new JsClr(Visitor, null);
}
JsClr clr = new JsClr(Visitor, value);
switch (Convert.GetTypeCode(value))
{
case TypeCode.Boolean:
clr.Prototype = BooleanClass.Prototype;
break;
case TypeCode.Char:
case TypeCode.String:
clr.Prototype = StringClass.Prototype;
break;
case TypeCode.DateTime:
clr.Prototype = DateClass.Prototype;
break;
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Single:
clr.Prototype = NumberClass.Prototype;
break;
case TypeCode.Object:
case TypeCode.DBNull:
case TypeCode.Empty:
default:
if (value is System.Collections.IEnumerable)
clr.Prototype = ArrayClass.Prototype;
else
clr.Prototype = ObjectClass.Prototype;
break;
}
return clr;
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
object[] nativeValue = JsClr.ConvertParameters(value);
getter.GetValue(that.Value, Name, nativeValue).SetValue(that.Value, nativeValue[0], null);
}
public void Visit(PropertyExpression expression)
{
Result = null;
string propertyName = lastIdentifier = expression.Text;
if (propertyName == JsDictionaryObject.PROTOTYPE)
{
Result = CurrentScope.Prototype;
return;
}
JsInstance result = null;
JsDictionaryObject oldCallTarget = callTarget;
callTarget = CurrentScope;
try
{// Closure ?
callTarget = CurrentScope;
if (CurrentScope.Class == JsFunction.TYPEOF)
{
JsScope scope = ((JsFunction)CurrentScope).Scope;
if (scope.TryGetProperty(propertyName, out result))
{
Result = result;
return;
}
}
callTarget = CurrentScope;
if (CurrentScope.TryGetProperty(propertyName, out result))
{
Result = result;
return;
}
}
finally
{
callTarget = oldCallTarget;
}
// Search for .NET property or method
if (CurrentScope.IsClr && CurrentScope.Value != null)
{
EnsureClrAllowed();
// enum ?
var type = CurrentScope.Value as Type;
if (type != null && type.IsEnum)
{
Result = new JsClr(this, Enum.Parse(type, propertyName));
return;
}
var propertyInfo = propertyGetter.GetValue(CurrentScope.Value, propertyName);
if (propertyInfo != null)
{
Result = Global.WrapClr(propertyInfo.GetValue(CurrentScope.Value, null));
return;
}
var fieldInfo = fieldGetter.GetValue(CurrentScope.Value, propertyName);
if (fieldInfo != null)
{
Result = Global.WrapClr(fieldInfo.GetValue(CurrentScope.Value));
return;
}
// Not a property, then must be a method
Result = new JsClrMethodInfo(propertyName);
return;
throw new JintException("Invalid property name: " + propertyName);
}
// Search for a static CLR call
if (Result == null && typeFullname.Length > 0)
{
Type type = typeResolver.ResolveType(typeFullname.ToString());
if (type != null)
{
EnsureClrAllowed();
var propertyInfo = propertyGetter.GetValue(type, propertyName);
if (propertyInfo != null)
{
Result = Global.WrapClr(propertyInfo.GetValue(type, null));
return;
}
var fieldInfo = fieldGetter.GetValue(type, propertyName);
if (fieldInfo != null)
{
Result = Global.WrapClr(fieldInfo.GetValue(type));
return;
}
// Not a property, then must be a method
Result = new JsClrMethodInfo(propertyName);
return;
throw new JintException("Invalid property name: " + propertyName);
}
}
if (Result == null && typeFullname.Length > 0)
{
typeFullname.Append('.').Append(propertyName);
}
Result = JsUndefined.Instance;
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
int clrParameterCount = Delegate.Method.GetParameters().Length;
object[] clrParameters = new object[clrParameterCount];
for (int i = 0; i < parameters.Length; i++)
{
// First see if either the JsInstance or it's value can be directly accepted without converstion
if (typeof(JsInstance).IsAssignableFrom(Parameters[i].ParameterType) && Parameters[i].ParameterType.IsInstanceOfType(parameters[i]))
{
clrParameters[i] = parameters[i];
}
else if (Parameters[i].ParameterType.IsInstanceOfType(parameters[i].Value))
{
clrParameters[i] = parameters[i].Value;
}
else
{
clrParameters[i] = JsClr.ConvertParameter(parameters[i]);
}
}
object result;
try
{
result = Delegate.DynamicInvoke(clrParameters);
}
catch (TargetInvocationException e)
{
throw e.InnerException;
}
catch (Exception e)
{
if (e.InnerException is JsException)
{
throw e.InnerException;
}
throw;
}
if (result != null)
{
// Don't wrap if the result should be a JsInstance
if (typeof(JsInstance).IsInstanceOfType(result))
{
visitor.Return((JsInstance)result);
}
else
{
visitor.Return(visitor.Global.WrapClr(result));
}
}
else
{
visitor.Return(JsUndefined.Instance);
}
return(null);
}
public Exception CreateException(object innerObject)
{
var jsClr = new JsClr(visitor, innerObject);
return new JsException(jsClr);
}