private SpeculativeSyntaxTreeSemanticModel(SyntaxTreeSemanticModel parentSemanticModel, LanguageSyntaxNode root, Binder rootBinder, int position, SpeculativeBindingOption bindingOption)
: base(parentSemanticModel.Compilation, (LanguageSyntaxTree)parentSemanticModel.SyntaxTree, (LanguageSyntaxTree)root.SyntaxTree)
{
_parentSemanticModel = parentSemanticModel;
_root = root;
_rootBinder = rootBinder;
_position = position;
_bindingOption = bindingOption;
}
private static SpeculativeSyntaxTreeSemanticModel CreateCore(SyntaxTreeSemanticModel parentSemanticModel, LanguageSyntaxNode root, Binder rootBinder, int position, SpeculativeBindingOption bindingOption)
{
Debug.Assert(parentSemanticModel is SyntaxTreeSemanticModel);
Debug.Assert(root != null);
Debug.Assert(rootBinder != null);
Debug.Assert(rootBinder.IsSemanticModelBinder);
var speculativeModel = new SpeculativeSyntaxTreeSemanticModel(parentSemanticModel, root, rootBinder, position, bindingOption);
return(speculativeModel);
}
internal sealed override bool TryGetSpeculativeSemanticModelCore(SyntaxTreeSemanticModel parentModel, int position, LanguageSyntaxNode type, SpeculativeBindingOption bindingOption, out SemanticModel speculativeModel)
{
var expression = SyntaxFactory.GetStandaloneNode(type);
var binder = this.GetSpeculativeBinder(position, expression, bindingOption);
if (binder != null)
{
speculativeModel = new SpeculativeMemberSemanticModel(parentModel, _memberSymbol, type, binder, position);
return(true);
}
speculativeModel = null;
return(false);
}
internal sealed override bool TryGetSpeculativeSemanticModelCore(SyntaxTreeSemanticModel parentModel, int position, LanguageSyntaxNode node, SpeculativeBindingOption bindingOption, out SemanticModel speculativeModel)
{
position = CheckAndAdjustPosition(position);
var model = this.GetMemberModel(position);
if (model != null)
{
return(model.TryGetSpeculativeSemanticModelCore(parentModel, position, node, bindingOption, out speculativeModel));
}
Binder binder = GetSpeculativeBinder(position, node, bindingOption);
if (binder != null)
{
speculativeModel = SpeculativeSyntaxTreeSemanticModel.Create(parentModel, node, binder, position, bindingOption);
return(true);
}
speculativeModel = null;
return(false);
}
/// <summary>
/// Creates a speculative SemanticModel for a TypeSyntax node at a position within an existing MemberSemanticModel.
/// </summary>
public SpeculativeMemberSemanticModel(SyntaxTreeSemanticModel parentSemanticModel, Symbol owner, LanguageSyntaxNode root, Binder rootBinder, int position)
: base(root, owner, rootBinder, containingSemanticModelOpt: null, parentSemanticModelOpt: parentSemanticModel, speculatedPosition: position)
{
}
public static SpeculativeSyntaxTreeSemanticModel Create(SyntaxTreeSemanticModel parentSemanticModel, LanguageSyntaxNode root, Binder rootBinder, int position, SpeculativeBindingOption bindingOption)
{
return(CreateCore(parentSemanticModel, root, rootBinder, position, bindingOption));
}
