private static bool CheckMethodMemberForExtensionSyntax(Syntax.InternalSyntax.CSharpSyntaxNode member)
{
if (member.Kind == SyntaxKind.MethodDeclaration)
{
var methodDecl = (Syntax.InternalSyntax.MethodDeclarationSyntax)member;
var paramList = methodDecl.parameterList;
if (paramList != null)
{
var parameters = paramList.Parameters;
if (parameters.Count != 0)
{
var firstParameter = parameters[0];
foreach (var modifier in firstParameter.Modifiers)
{
if (modifier.Kind == SyntaxKind.ThisKeyword)
{
return(true);
}
}
}
}
}
return(false);
}
public override InternalSyntax.CSharpSyntaxNode Visit(
InternalSyntax.CSharpSyntaxNode node
)
{
var visited = base.Visit(node);
return(_rewriteNode == null ? visited : _rewriteNode(visited));
}
private static void AttachAndCheckDiagnostics(InternalSyntax.CSharpSyntaxNode node)
{
var nodeWithDiags = node.SetDiagnostics(new DiagnosticInfo[] { new CSDiagnosticInfo(ErrorCode.ERR_AbstractAndExtern) });
var diags = nodeWithDiags.GetDiagnostics();
Assert.NotEqual(node, nodeWithDiags);
Assert.Equal(1, diags.Length);
Assert.Equal(ErrorCode.ERR_AbstractAndExtern, (ErrorCode)diags[0].Code);
}
private static SyntaxTree CreateSyntaxTree(
this InternalSyntax.CSharpSyntaxNode root,
SourceText text
)
{
return(CSharpSyntaxTree.CreateForDebugger(
(CSharpSyntaxNode)root.CreateRed(),
text,
ParseOptions
));
}
private static bool CheckMemberForAttributes(Syntax.InternalSyntax.CSharpSyntaxNode member)
{
switch (member.Kind)
{
case SyntaxKind.CompilationUnit:
return((((Syntax.InternalSyntax.CompilationUnitSyntax)member).AttributeLists).Any());
case SyntaxKind.ConceptDeclaration: //@t-mawind
case SyntaxKind.InstanceDeclaration: //@t-mawind
case SyntaxKind.ClassDeclaration:
case SyntaxKind.StructDeclaration:
case SyntaxKind.InterfaceDeclaration:
case SyntaxKind.EnumDeclaration:
return((((Syntax.InternalSyntax.BaseTypeDeclarationSyntax)member).AttributeLists).Any());
case SyntaxKind.DelegateDeclaration:
return((((Syntax.InternalSyntax.DelegateDeclarationSyntax)member).AttributeLists).Any());
case SyntaxKind.FieldDeclaration:
case SyntaxKind.EventFieldDeclaration:
return((((Syntax.InternalSyntax.BaseFieldDeclarationSyntax)member).AttributeLists).Any());
case SyntaxKind.MethodDeclaration:
case SyntaxKind.OperatorDeclaration:
case SyntaxKind.ConversionOperatorDeclaration:
case SyntaxKind.ConstructorDeclaration:
case SyntaxKind.DestructorDeclaration:
return((((Syntax.InternalSyntax.BaseMethodDeclarationSyntax)member).AttributeLists).Any());
case SyntaxKind.PropertyDeclaration:
case SyntaxKind.EventDeclaration:
case SyntaxKind.IndexerDeclaration:
var baseProp = (Syntax.InternalSyntax.BasePropertyDeclarationSyntax)member;
bool hasAttributes = baseProp.AttributeLists.Any();
if (!hasAttributes && baseProp.AccessorList != null)
{
foreach (var accessor in baseProp.AccessorList.Accessors)
{
hasAttributes |= accessor.AttributeLists.Any();
}
}
return(hasAttributes);
}
return(false);
}
private void VisitChildren(Syntax.InternalSyntax.CSharpSyntaxNode node)
{
var childCnt = node.SlotCount;
for (int i = 0; i < childCnt; i++)
{
var child = node.GetSlot(i);
if (child != null && child.SlotCount != 0)
{
if (child.IsList)
{
VisitChildren((Syntax.InternalSyntax.CSharpSyntaxNode)child);
}
else
{
((Syntax.InternalSyntax.CSharpSyntaxNode)child).Accept(this);
}
}
}
}
private static GreenNode.NodeFlags GetFlags(SyntaxFactoryContext context)
{
GreenNode.NodeFlags flags = GetFlags();
flags = CSharpSyntaxNode.SetFactoryContext(flags, context);
return(flags);
}
internal WithThreeChildren(CSharpSyntaxNode child0, CSharpSyntaxNode child1, CSharpSyntaxNode child2)
{
this.SlotCount = 3;
this.AdjustFlagsAndWidth(child0);
this.child0 = child0;
this.AdjustFlagsAndWidth(child1);
this.child1 = child1;
this.AdjustFlagsAndWidth(child2);
this.child2 = child2;
}
internal static SyntaxToken Literal(CSharpSyntaxNode leading, string text, char value, CSharpSyntaxNode trailing)
{
return(SyntaxToken.WithValue(SyntaxKind.CharacterLiteralToken, leading, text, value, trailing));
}
internal SyntaxTokenWithTrivia(SyntaxKind kind, CSharpSyntaxNode leading, CSharpSyntaxNode trailing, DiagnosticInfo[] diagnostics, SyntaxAnnotation[] annotations)
: base(kind, diagnostics, annotations)
{
if (leading != null)
{
this.AdjustFlagsAndWidth(leading);
this.LeadingField = leading;
}
if (trailing != null)
{
this.AdjustFlagsAndWidth(trailing);
this.TrailingField = trailing;
}
}
internal override SyntaxToken WithTrailingTrivia(CSharpSyntaxNode trivia)
{
return(new SyntaxTokenWithTrivia(this.Kind, this.LeadingField, trivia, this.GetDiagnostics(), this.GetAnnotations()));
}
internal static SyntaxToken Literal(CSharpSyntaxNode leading, string text, SyntaxKind kind, string value, CSharpSyntaxNode trailing)
{
return(SyntaxToken.WithValue(kind, leading, text, value, trailing));
}
internal static SyntaxToken Identifier(CSharpSyntaxNode leading, string text, CSharpSyntaxNode trailing)
{
return(Identifier(SyntaxKind.IdentifierToken, leading, text, text, trailing));
}
public override void DefaultVisit(Syntax.InternalSyntax.CSharpSyntaxNode node)
{
VisitChildren(node);
}
private static SyntaxTree CreateSyntaxTree(this InternalSyntax.CSharpSyntaxNode root, SourceText text)
{
return(CSharpSyntaxTree.Create((CSharpSyntaxNode)root.CreateRed(), text));
}
internal static SyntaxToken Token(CSharpSyntaxNode leading, SyntaxKind kind, CSharpSyntaxNode trailing)
{
return(SyntaxToken.Create(kind, leading, trailing));
}
internal static CSharpSyntaxNode ListNode(CSharpSyntaxNode node0, CSharpSyntaxNode node1, CSharpSyntaxNode node2)
{
return(SyntaxList.List(node0, node1, node2));
}
internal static SyntaxToken XmlEntity(CSharpSyntaxNode leading, string text, string value, CSharpSyntaxNode trailing)
{
return(SyntaxToken.WithValue(SyntaxKind.XmlEntityLiteralToken, leading, text, value, trailing));
}
internal static SyntaxToken XmlTextNewLine(CSharpSyntaxNode leading, string text, string value, CSharpSyntaxNode trailing)
{
if (leading == null && trailing == null && text == CrLf && value == CrLf)
{
return(XmlCarriageReturnLineFeed);
}
return(SyntaxToken.WithValue(SyntaxKind.XmlTextLiteralNewLineToken, leading, text, value, trailing));
}
internal static SyntaxToken BadToken(CSharpSyntaxNode leading, string text, CSharpSyntaxNode trailing)
{
return(SyntaxToken.WithValue(SyntaxKind.BadToken, leading, text, text, trailing));
}
protected override InternalSyntax.CSharpSyntaxNode DefaultVisit(InternalSyntax.CSharpSyntaxNode node)
{
return(node);
}
internal static SyntaxToken Identifier(SyntaxKind contextualKind, CSharpSyntaxNode leading, string text, string valueText, CSharpSyntaxNode trailing)
{
return(SyntaxToken.Identifier(contextualKind, leading, text, valueText, trailing));
}
internal SyntaxList(CSharpSyntaxNode node)
{
this.node = node;
}
internal static SyntaxToken Literal(CSharpSyntaxNode leading, string text, decimal value, CSharpSyntaxNode trailing)
{
return(SyntaxToken.WithValue(SyntaxKind.NumericLiteralToken, leading, text, value, trailing));
}
protected virtual TResult DefaultVisit(CSharpSyntaxNode node)
{
return(default(TResult));
}
internal SyntaxTokenWithTrivia(SyntaxKind kind, CSharpSyntaxNode leading, CSharpSyntaxNode trailing)
: base(kind)
{
if (leading != null)
{
this.AdjustFlagsAndWidth(leading);
this.LeadingField = leading;
}
if (trailing != null)
{
this.AdjustFlagsAndWidth(trailing);
this.TrailingField = trailing;
}
}
private static void AddNonTypeMemberNames(Syntax.InternalSyntax.CSharpSyntaxNode member, HashSet <string> set, ref bool anyNonTypeMembers)
{
switch (member.Kind)
{
case SyntaxKind.FieldDeclaration:
anyNonTypeMembers = true;
Syntax.InternalSyntax.SeparatedSyntaxList <Syntax.InternalSyntax.VariableDeclaratorSyntax> fieldDeclarators =
((Syntax.InternalSyntax.FieldDeclarationSyntax)member).Declaration.Variables;
int numFieldDeclarators = fieldDeclarators.Count;
for (int i = 0; i < numFieldDeclarators; i++)
{
set.Add(fieldDeclarators[i].Identifier.ValueText);
}
break;
case SyntaxKind.EventFieldDeclaration:
anyNonTypeMembers = true;
Syntax.InternalSyntax.SeparatedSyntaxList <Syntax.InternalSyntax.VariableDeclaratorSyntax> eventDeclarators =
((Syntax.InternalSyntax.EventFieldDeclarationSyntax)member).Declaration.Variables;
int numEventDeclarators = eventDeclarators.Count;
for (int i = 0; i < numEventDeclarators; i++)
{
set.Add(eventDeclarators[i].Identifier.ValueText);
}
break;
case SyntaxKind.MethodDeclaration:
anyNonTypeMembers = true;
// Member names are exposed via NamedTypeSymbol.MemberNames and are used primarily
// as an acid test to determine whether a more in-depth search of a type is worthwhile.
// We decided that it was reasonable to exclude explicit interface implementations
// from the list of member names.
var methodDecl = (Syntax.InternalSyntax.MethodDeclarationSyntax)member;
if (methodDecl.ExplicitInterfaceSpecifier == null)
{
set.Add(methodDecl.Identifier.ValueText);
}
break;
case SyntaxKind.PropertyDeclaration:
anyNonTypeMembers = true;
// Handle in the same way as explicit method implementations
var propertyDecl = (Syntax.InternalSyntax.PropertyDeclarationSyntax)member;
if (propertyDecl.ExplicitInterfaceSpecifier == null)
{
set.Add(propertyDecl.Identifier.ValueText);
}
break;
case SyntaxKind.EventDeclaration:
anyNonTypeMembers = true;
// Handle in the same way as explicit method implementations
var eventDecl = (Syntax.InternalSyntax.EventDeclarationSyntax)member;
if (eventDecl.ExplicitInterfaceSpecifier == null)
{
set.Add(eventDecl.Identifier.ValueText);
}
break;
case SyntaxKind.ConstructorDeclaration:
anyNonTypeMembers = true;
set.Add(((Syntax.InternalSyntax.ConstructorDeclarationSyntax)member).Modifiers.Any(SyntaxKind.StaticKeyword)
? WellKnownMemberNames.StaticConstructorName
: WellKnownMemberNames.InstanceConstructorName);
break;
case SyntaxKind.DestructorDeclaration:
anyNonTypeMembers = true;
set.Add(WellKnownMemberNames.DestructorName);
break;
case SyntaxKind.IndexerDeclaration:
anyNonTypeMembers = true;
set.Add(WellKnownMemberNames.Indexer);
break;
case SyntaxKind.OperatorDeclaration:
anyNonTypeMembers = true;
var opDecl = (Syntax.InternalSyntax.OperatorDeclarationSyntax)member;
var name = OperatorFacts.OperatorNameFromDeclaration(opDecl);
set.Add(name);
break;
case SyntaxKind.ConversionOperatorDeclaration:
anyNonTypeMembers = true;
set.Add(((Syntax.InternalSyntax.ConversionOperatorDeclarationSyntax)member).ImplicitOrExplicitKeyword.Kind == SyntaxKind.ImplicitKeyword
? WellKnownMemberNames.ImplicitConversionName
: WellKnownMemberNames.ExplicitConversionName);
break;
case SyntaxKind.GlobalStatement:
anyNonTypeMembers = true;
break;
}
}
internal static SyntaxToken Token(CSharpSyntaxNode leading, SyntaxKind kind, string text, string valueText, CSharpSyntaxNode trailing)
{
Debug.Assert(SyntaxFacts.IsAnyToken(kind));
Debug.Assert(kind != SyntaxKind.IdentifierToken);
Debug.Assert(kind != SyntaxKind.CharacterLiteralToken);
Debug.Assert(kind != SyntaxKind.NumericLiteralToken);
string defaultText = SyntaxFacts.GetText(kind);
return(kind >= SyntaxToken.FirstTokenWithWellKnownText && kind <= SyntaxToken.LastTokenWithWellKnownText && text == defaultText && valueText == defaultText
? Token(leading, kind, trailing)
: SyntaxToken.WithValue(kind, leading, text, valueText, trailing));
}
