public static ITargetMethodInfo OverloadResolve(EvaluationContext context,
ILanguage language,
ITargetStructType stype,
Expression[] types,
ArrayList candidates)
{
// We do a very simple overload resolution here
ITargetType[] argtypes = new ITargetType [types.Length];
for (int i = 0; i < types.Length; i++)
argtypes [i] = types [i].EvaluateType (context);
// Ok, no we need to find an exact match.
ITargetMethodInfo match = null;
foreach (ITargetMethodInfo method in candidates) {
bool ok = true;
for (int i = 0; i < types.Length; i++) {
if (method.Type.ParameterTypes [i].TypeHandle != argtypes [i].TypeHandle) {
ok = false;
break;
}
}
if (!ok)
continue;
// We need to find exactly one match
if (match != null)
return null;
match = method;
}
return match;
}
// Creates the object of the specified class, and wraps a tree node
// around it
ObjectInfo CreateObjectInternal(IDragDropItem sourceNode, ObjectTreeNode targetNode)
{
_sourceNode = sourceNode;
_targetNode = targetNode;
Object obj = null;
ConstructorInfo constructor = null;
ConstructorInfo[] constructors = null;
try {
if (sourceNode is ITargetType && !((ITargetType)sourceNode).IsMember)
{
ITargetType targetTypeNode = (ITargetType)sourceNode;
Type t = targetTypeNode.Type;
if (!CheckCreateType(t, sourceNode, !THROW))
{
return(null);
}
// String is a special case, we just do it with the
// string parameter value
if (t.Equals(typeof(String)))
{
ObjectBrowser.ParamPanel.GetParameterValues(!Constants.IGNORE_EXCEPTION, ParamPanel.SET_MEMBER, out obj);
}
else
{
constructors = t.GetConstructors(ReflectionHelper.ALL_BINDINGS);
if (constructors.Length == 0)
{
obj = Activator.CreateInstance(t);
}
else
{
constructor = FindConstructor(constructors);
if (constructor == null)
{
return(null);
}
}
}
}
else if (sourceNode is MemberTreeNode)
{
constructor = (ConstructorInfo)((MemberTreeNode)sourceNode).Member;
}
else if (sourceNode is AssemblyTreeNode)
{
CreateFromEntry(((AssemblyTreeNode)sourceNode).Assembly);
// This gets finished when the event processing
// is finished and we go to idle
return(null);
}
else
{
throw new Exception("Bug: invalid node being dragged: " + sourceNode.GetType());
}
// Invoke the constructor with the parameters
// defined in the param panel
if (obj == null)
{
Object fieldPropValue;
obj = constructor.Invoke(ObjectBrowser.ParamPanel.GetParameterValues(!Constants.IGNORE_EXCEPTION,
ParamPanel.SET_MEMBER, out fieldPropValue));
}
return(FinishObjectCreation(obj));
} catch (Exception ex) {
Exception showException = ex;
// Remove the useless wrapper exception
if (showException is TargetInvocationException)
{
showException = ex.InnerException;
}
ErrorDialog.Show(showException,
"Error creating object",
MessageBoxIcon.Error);
return(null);
}
}
public TypeExpression(ITargetType type)
{
this.type = type;
resolved = true;
}
