protected override Action <ITextControl> ExecutePsiTransaction(ISolution solution, IProgressIndicator progress)
{
var accessExpression = _error.Reference.GetTreeNode() as IExpression;
var replacementNode = accessExpression;
if (replacementNode == null)
{
return(null);
}
var modifiers = _declaredElement as IModifiersOwner;
if (modifiers == null)
{
return(null);
}
bool isAssign = replacementNode.Parent is IAssignmentExpression;
bool needsCasting = !isAssign && !(replacementNode.Parent is IExpressionStatement) &&
!_declaredElement.Type().IsVoid() && !_declaredElement.Type().IsObject();
if (replacementNode.Parent is IInvocationExpression || replacementNode.Parent is IAssignmentExpression)
{
replacementNode = (IExpression)replacementNode.Parent;
}
CSharpElementFactory factory = CSharpElementFactory.GetInstance(replacementNode, applyCodeFormatter: true);
AddSystemReflectionNamespace(factory);
BindingFlags flags = BindingFlags.NonPublic;
if (modifiers.IsStatic)
{
flags |= BindingFlags.Static;
}
else
{
flags |= BindingFlags.Instance;
}
flags |= GetInvokeMemberBindingFlag(_declaredElement, isAssign);
IExpression instanceExpression = modifiers.IsStatic ? factory.CreateExpression("null") : ((IReferenceExpression)accessExpression).QualifierExpression;
IExpression argsExpression = factory.CreateExpression("null");
if (isAssign)
{
argsExpression = factory.CreateExpression("new object[] { $0 }",
((IAssignmentExpression)replacementNode).Source);
}
if (replacementNode is IInvocationExpression)
{
var invocationExpression = (IInvocationExpression)replacementNode;
if (invocationExpression.Arguments.Count != 0)
{
argsExpression = CreateArrayCreationExpression(
TypeFactory.CreateTypeByCLRName(
"System.Object",
accessExpression.GetPsiModule(),
accessExpression.GetResolveContext()), factory);
var arrayCreationExpression = argsExpression as IArrayCreationExpression;
foreach (var arg in invocationExpression.ArgumentsEnumerable)
{
var initiallizer = factory.CreateVariableInitializer((ICSharpExpression)arg.Expression);
arrayCreationExpression.ArrayInitializer.AddElementInitializerBefore(initiallizer, null);
}
}
}
var reflectionExpression = factory.CreateExpression("typeof($0).InvokeMember(\"$1\", $2, null, $3, $4)",
((IClrDeclaredElement)_declaredElement).GetContainingType(),
_declaredElement.ShortName,
flags.GetFullString(),
instanceExpression,
argsExpression);
if (needsCasting)
{
reflectionExpression = factory.CreateExpression("($0)$1",
_declaredElement.Type(),
reflectionExpression);
}
replacementNode.ReplaceBy(reflectionExpression);
return(null);
}
