public override SingleNamespaceOrTypeDeclaration VisitNamespaceDeclaration(NamespaceDeclarationSyntax node)
{
var children = VisitNamespaceChildren(node, node.Members, node.Green.Members);
bool hasUsings = node.Usings.Any();
bool hasExterns = node.Externs.Any();
NameSyntax name = node.Name;
CSharpSyntaxNode currentNode = node;
QualifiedNameSyntax dotted;
while ((dotted = name as QualifiedNameSyntax) != null)
{
var ns = SingleNamespaceDeclaration.Create(
name: dotted.Right.Identifier.ValueText,
hasUsings: hasUsings,
hasExternAliases: hasExterns,
syntaxReference: _syntaxTree.GetReference(currentNode),
nameLocation: new SourceLocation(dotted.Right),
children: children,
diagnostics: ImmutableArray <Diagnostic> .Empty);
var nsDeclaration = new[] { ns };
children = nsDeclaration.AsImmutableOrNull <SingleNamespaceOrTypeDeclaration>();
currentNode = name = dotted.Left;
hasUsings = false;
hasExterns = false;
}
var diagnostics = DiagnosticBag.GetInstance();
if (ContainsGeneric(node.Name))
{
// We're not allowed to have generics.
diagnostics.Add(ErrorCode.ERR_UnexpectedGenericName, node.Name.GetLocation());
}
if (ContainsAlias(node.Name))
{
diagnostics.Add(ErrorCode.ERR_UnexpectedAliasedName, node.Name.GetLocation());
}
// NOTE: *Something* has to happen for alias-qualified names. It turns out that we
// just grab the part after the colons (via GetUnqualifiedName, below). This logic
// must be kept in sync with NamespaceSymbol.GetNestedNamespace.
return(SingleNamespaceDeclaration.Create(
name: name.GetUnqualifiedName().Identifier.ValueText,
hasUsings: hasUsings,
hasExternAliases: hasExterns,
syntaxReference: _syntaxTree.GetReference(currentNode),
nameLocation: new SourceLocation(name),
children: children,
diagnostics: diagnostics.ToReadOnlyAndFree()));
}
private SingleNamespaceOrTypeDeclaration CreateScriptClass(
CompilationUnitSyntax parent,
ImmutableArray <SingleTypeDeclaration> children,
ImmutableHashSet <string> memberNames,
SingleTypeDeclaration.TypeDeclarationFlags declFlags)
{
Debug.Assert(parent.Kind() == SyntaxKind.CompilationUnit && _syntaxTree.Options.Kind != SourceCodeKind.Regular);
// script type is represented by the parent node:
var parentReference = _syntaxTree.GetReference(parent);
var fullName = _scriptClassName.Split('.');
// Note: The symbol representing the merged declarations uses parentReference to enumerate non-type members.
SingleNamespaceOrTypeDeclaration decl = new SingleTypeDeclaration(
kind: _isSubmission ? DeclarationKind.Submission : DeclarationKind.Script,
name: fullName.Last(),
arity: 0,
modifiers: DeclarationModifiers.Internal | DeclarationModifiers.Partial | DeclarationModifiers.Sealed,
declFlags: declFlags,
syntaxReference: parentReference,
nameLocation: new SourceLocation(parentReference),
memberNames: memberNames,
children: children,
diagnostics: ImmutableArray <Diagnostic> .Empty);
for (int i = fullName.Length - 2; i >= 0; i--)
{
decl = SingleNamespaceDeclaration.Create(
name: fullName[i],
hasUsings: false,
hasExternAliases: false,
syntaxReference: parentReference,
nameLocation: new SourceLocation(parentReference),
children: ImmutableArray.Create(decl),
diagnostics: ImmutableArray <Diagnostic> .Empty);
}
return(decl);
}
public static MergedNamespaceDeclaration Create(SingleNamespaceDeclaration declaration)
{
return(new MergedNamespaceDeclaration(ImmutableArray.Create(declaration)));
}