private void BindName(XAttribute attribute, CSharpSyntaxNode originatingSyntax, bool isParameter, bool isTypeParameterRef)
{
XmlNameAttributeSyntax attrSyntax = ParseNameAttribute(attribute.ToString(), attribute.Parent.Name.LocalName);
// CONSIDER: It would be easy to construct an XmlLocation from the XAttribute, so that
// we could point the user at the actual problem.
Location sourceLocation = originatingSyntax.Location;
RecordSyntaxDiagnostics(attrSyntax, sourceLocation); // Respects DocumentationMode.
MemberDeclarationSyntax memberDeclSyntax = BinderFactory.GetAssociatedMemberForXmlSyntax(originatingSyntax);
Debug.Assert(memberDeclSyntax != null,
"Why are we processing a documentation comment that is not attached to a member declaration?");
DiagnosticBag nameDiagnostics = DiagnosticBag.GetInstance();
Binder binder = MakeNameBinder(isParameter, isTypeParameterRef, _memberSymbol, _compilation);
DocumentationCommentCompiler.BindName(attrSyntax, binder, _memberSymbol, ref _documentedParameters, ref _documentedTypeParameters, nameDiagnostics);
RecordBindingDiagnostics(nameDiagnostics, sourceLocation); // Respects DocumentationMode.
nameDiagnostics.Free();
}
public override void DefaultVisit(SyntaxNode node)
{
SyntaxKind nodeKind = node.Kind();
bool diagnose = node.SyntaxTree.ReportDocumentationCommentDiagnostics();
if (nodeKind == SyntaxKind.XmlCrefAttribute)
{
XmlCrefAttributeSyntax crefAttr = (XmlCrefAttributeSyntax)node;
CrefSyntax cref = crefAttr.Cref;
BinderFactory factory = _compilation.GetBinderFactory(cref.SyntaxTree);
Binder binder = factory.GetBinder(cref);
// Do this for the diagnostics, even if it won't be written.
DiagnosticBag crefDiagnostics = DiagnosticBag.GetInstance();
string docCommentId = GetDocumentationCommentId(cref, binder, crefDiagnostics);
if (diagnose)
{
_diagnostics.AddRange(crefDiagnostics);
}
crefDiagnostics.Free();
if (_writer != null)
{
Visit(crefAttr.Name);
VisitToken(crefAttr.EqualsToken);
// Not going to visit normally, because we want to skip trivia within
// the attribute value.
crefAttr.StartQuoteToken.WriteTo(_writer, leading: true, trailing: false);
// We're not going to visit the cref because we want to bind it
// and write a doc comment ID in its place.
_writer.Write(docCommentId);
// Not going to visit normally, because we want to skip trivia within
// the attribute value.
crefAttr.EndQuoteToken.WriteTo(_writer, leading: false, trailing: true);
}
// Don't descend - we've already written out everything necessary.
return;
}
else if (diagnose && nodeKind == SyntaxKind.XmlNameAttribute)
{
XmlNameAttributeSyntax nameAttr = (XmlNameAttributeSyntax)node;
BinderFactory factory = _compilation.GetBinderFactory(nameAttr.SyntaxTree);
Binder binder = factory.GetBinder(nameAttr, nameAttr.Identifier.SpanStart);
// Do this for diagnostics, even if we aren't writing.
BindName(nameAttr, binder, _memberSymbol, ref _documentedParameters, ref _documentedTypeParameters, _diagnostics);
// Do descend - we still need to write out the tokens of the attribute.
}
// NOTE: if we're recording any include element nodes (i.e. if includeElementsNodes is non-null),
// then we want to record all of them, because we won't be able to distinguish in the XML DOM.
if (_includeElementNodes != null)
{
XmlNameSyntax nameSyntax = null;
if (nodeKind == SyntaxKind.XmlEmptyElement)
{
nameSyntax = ((XmlEmptyElementSyntax)node).Name;
}
else if (nodeKind == SyntaxKind.XmlElementStartTag)
{
nameSyntax = ((XmlElementStartTagSyntax)node).Name;
}
if (nameSyntax != null && nameSyntax.Prefix == null &&
DocumentationCommentXmlNames.ElementEquals(nameSyntax.LocalName.ValueText, DocumentationCommentXmlNames.IncludeElementName))
{
_includeElementNodes.Add((CSharpSyntaxNode)node);
}
}
base.DefaultVisit(node);
}
/// <summary>
/// In script C#, some field initializers are assignments to fields and others are global
/// statements. There are no restrictions on accessing instance members.
/// </summary>
private static void BindScriptFieldInitializers(
CSharpCompilation compilation,
SynthesizedInteractiveInitializerMethod scriptInitializer,
ImmutableArray <ImmutableArray <FieldOrPropertyInitializer> > initializers,
ArrayBuilder <BoundInitializer> boundInitializers,
DiagnosticBag diagnostics,
out ImportChain firstDebugImports)
{
firstDebugImports = null;
for (int i = 0; i < initializers.Length; i++)
{
ImmutableArray <FieldOrPropertyInitializer> siblingInitializers = initializers[i];
// All sibling initializers share the same parent node and tree so we can reuse the binder
// factory across siblings. Unfortunately, we cannot reuse the binder itself, because
// individual fields might have their own binders (e.g. because of being declared unsafe).
BinderFactory binderFactory = null;
// Label instances must be shared across all global statements.
ScriptLocalScopeBinder.Labels labels = null;
for (int j = 0; j < siblingInitializers.Length; j++)
{
var initializer = siblingInitializers[j];
var fieldSymbol = initializer.FieldOpt;
if ((object)fieldSymbol != null && fieldSymbol.IsConst)
{
// Constants do not need field initializers.
continue;
}
var syntaxRef = initializer.Syntax;
var syntaxTree = syntaxRef.SyntaxTree;
Debug.Assert(syntaxTree.Options.Kind != SourceCodeKind.Regular);
var syntax = (CSharpSyntaxNode)syntaxRef.GetSyntax();
var syntaxRoot = syntaxTree.GetCompilationUnitRoot();
if (binderFactory == null)
{
binderFactory = compilation.GetBinderFactory(syntaxTree);
labels = new ScriptLocalScopeBinder.Labels(scriptInitializer, syntaxRoot);
}
Binder scriptClassBinder = binderFactory.GetBinder(syntax);
Debug.Assert(((NamedTypeSymbol)scriptClassBinder.ContainingMemberOrLambda).IsScriptClass);
if (firstDebugImports == null)
{
firstDebugImports = scriptClassBinder.ImportChain;
}
Binder parentBinder = new ExecutableCodeBinder(
syntaxRoot,
scriptInitializer,
new ScriptLocalScopeBinder(labels, scriptClassBinder));
BoundInitializer boundInitializer;
if ((object)fieldSymbol != null)
{
boundInitializer = BindFieldInitializer(
parentBinder.WithAdditionalFlagsAndContainingMemberOrLambda(BinderFlags.FieldInitializer, fieldSymbol),
fieldSymbol,
(EqualsValueClauseSyntax)syntax,
diagnostics);
}
else
{
boundInitializer = BindGlobalStatement(
parentBinder,
scriptInitializer,
(StatementSyntax)syntax,
diagnostics,
isLast: i == initializers.Length - 1 && j == siblingInitializers.Length - 1);
}
boundInitializers.Add(boundInitializer);
}
}
}