private static bool IsValidContextForMember(CSharpSyntaxContext context, CancellationToken cancellationToken)
{
if (context.SyntaxTree.IsGlobalMemberDeclarationContext(context.Position, SyntaxKindSet.AllGlobalMemberModifiers, cancellationToken) ||
context.IsMemberDeclarationContext(
validModifiers: SyntaxKindSet.AllMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken))
{
return(CheckPreviousAccessibilityModifiers(context));
}
return(false);
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
return
(context.IsGlobalStatementContext ||
IsRefReadOnlyContext(context) ||
IsValidContextForType(context, cancellationToken) ||
context.SyntaxTree.IsGlobalMemberDeclarationContext(context.Position, SyntaxKindSet.AllGlobalMemberModifiers, cancellationToken) ||
context.IsMemberDeclarationContext(
validModifiers: s_validMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken) ||
IsStructAccessorContext(context));
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
if (context.IsMemberDeclarationContext(validModifiers: s_validMemberModifiers, validTypeDeclarations: SyntaxKindSet.ClassStructTypeDeclarations, canBePartial: false, cancellationToken: cancellationToken))
{
// operators must be both public and static
var modifiers = context.PrecedingModifiers;
return
(modifiers.Contains(SyntaxKind.PublicKeyword) &&
modifiers.Contains(SyntaxKind.StaticKeyword));
}
return(false);
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
var syntaxTree = context.SyntaxTree;
return
(IsExternAliasContext(context) ||
context.IsGlobalStatementContext ||
syntaxTree.IsGlobalMemberDeclarationContext(position, s_validGlobalModifiers, cancellationToken) ||
context.IsMemberDeclarationContext(
validModifiers: s_validModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken));
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
return
(context.IsGlobalStatementContext ||
context.IsMemberDeclarationContext(
validModifiers: s_validMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassOnlyTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken) ||
context.IsTypeDeclarationContext(
validModifiers: s_validTypeModifiers,
validTypeDeclarations: SyntaxKindSet.ClassStructTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken));
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
return
context.IsGlobalStatementContext ||
context.IsMemberDeclarationContext(
validModifiers: s_validMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassOnlyTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken) ||
context.IsTypeDeclarationContext(
validModifiers: s_validTypeModifiers,
validTypeDeclarations: SyntaxKindSet.ClassStructTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken);
}
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
if (!context.IsMemberDeclarationContext(
validModifiers: s_validMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassStructRecordTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken))
{
return(false);
}
var modifiers = context.PrecedingModifiers;
return(!modifiers.Contains(SyntaxKind.PrivateKeyword) || modifiers.Contains(SyntaxKind.ProtectedKeyword));
}
protected override bool IsValidContext(
int position,
CSharpSyntaxContext context,
CancellationToken cancellationToken
)
{
var syntaxTree = context.SyntaxTree;
return(context.IsNonAttributeExpressionContext ||
context.IsDefiniteCastTypeContext ||
context.IsStatementContext ||
context.IsGlobalStatementContext ||
context.IsObjectCreationTypeContext ||
(
context.IsGenericTypeArgumentContext &&
!context.TargetToken.Parent.HasAncestor <XmlCrefAttributeSyntax>()
) ||
context.IsFunctionPointerTypeArgumentContext ||
context.IsIsOrAsTypeContext ||
context.IsLocalVariableDeclarationContext ||
context.IsParameterTypeContext ||
context.IsPossibleLambdaOrAnonymousMethodParameterTypeContext ||
context.IsImplicitOrExplicitOperatorTypeContext ||
context.IsTypeOfExpressionContext ||
context.IsCrefContext ||
syntaxTree.IsDefaultExpressionContext(position, context.LeftToken) ||
syntaxTree.IsAfterKeyword(position, SyntaxKind.ConstKeyword, cancellationToken) ||
syntaxTree.IsAfterKeyword(position, SyntaxKind.RefKeyword, cancellationToken) ||
syntaxTree.IsAfterKeyword(
position,
SyntaxKind.ReadOnlyKeyword,
cancellationToken
) ||
context.IsDelegateReturnTypeContext ||
syntaxTree.IsGlobalMemberDeclarationContext(
position,
SyntaxKindSet.AllGlobalMemberModifiers,
cancellationToken
) ||
context.IsPossibleTupleContext ||
context.IsMemberDeclarationContext(
validModifiers: SyntaxKindSet.AllMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken
));
}
private static bool IsValidContextForMember(
CSharpSyntaxContext context,
CancellationToken cancellationToken
)
{
return(context.SyntaxTree.IsGlobalMemberDeclarationContext(
context.Position,
s_validGlobalMemberModifiers,
cancellationToken
) ||
context.IsMemberDeclarationContext(
validModifiers: s_validMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken
));
}
private bool IsMemberDeclarationContext(CSharpSyntaxContext context, CancellationToken cancellationToken)
{
if (context.IsMemberDeclarationContext(validModifiers: ValidMemberModifiers, validTypeDeclarations: SyntaxKindSet.ClassStructTypeDeclarations, canBePartial: false, cancellationToken: cancellationToken))
{
var token = context.LeftToken;
var decl = token.GetAncestor <TypeDeclarationSyntax>();
// partial methods must be in partial types
if (!decl.Modifiers.Any(t => t.IsKindOrHasMatchingText(SyntaxKind.PartialKeyword)))
{
return(false);
}
return(true);
}
return(false);
}
private static bool InMemberDeclarationContext(
int position,
CSharpSyntaxContext context,
CancellationToken cancellationToken
)
{
return(context.IsGlobalStatementContext ||
context.SyntaxTree.IsGlobalMemberDeclarationContext(
position,
SyntaxKindSet.AllGlobalMemberModifiers,
cancellationToken
) ||
context.IsMemberDeclarationContext(
validModifiers: SyntaxKindSet.AllMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations,
canBePartial: true,
cancellationToken: cancellationToken
));
}
private static bool IsMemberDeclarationContext(
CSharpSyntaxContext context,
CancellationToken cancellationToken
)
{
return(context.TargetToken.IsUnsafeContext() &&
(
context.SyntaxTree.IsGlobalMemberDeclarationContext(
context.Position,
SyntaxKindSet.AllGlobalMemberModifiers,
cancellationToken
) ||
context.IsMemberDeclarationContext(
validModifiers: s_validModifiers,
validTypeDeclarations: SyntaxKindSet.StructOnlyTypeDeclarations,
canBePartial: false,
cancellationToken: cancellationToken
)
));
}
private static bool IsValidContextForMember(CSharpSyntaxContext context, CancellationToken cancellationToken)
{
if (context.SyntaxTree.IsGlobalMemberDeclarationContext(context.Position, SyntaxKindSet.AllGlobalMemberModifiers, cancellationToken) ||
context.IsMemberDeclarationContext(validModifiers: SyntaxKindSet.AllMemberModifiers, validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations, canBePartial: false, cancellationToken: cancellationToken))
{
var modifiers = context.PrecedingModifiers;
// can't have private + abstract/virtual/override/sealed
if (modifiers.Contains(SyntaxKind.AbstractKeyword) ||
modifiers.Contains(SyntaxKind.VirtualKeyword) ||
modifiers.Contains(SyntaxKind.OverrideKeyword) ||
modifiers.Contains(SyntaxKind.SealedKeyword))
{
return(false);
}
return(CheckPreviousAccessibilityModifiers(context));
}
return(false);
}
private static bool IsValidNewByRefContext(
SyntaxTree syntaxTree,
int position,
CSharpSyntaxContext context,
CancellationToken cancellationToken
)
{
return(IsValidRefExpressionContext(context) ||
context.IsDelegateReturnTypeContext ||
syntaxTree.IsGlobalMemberDeclarationContext(
position,
syntaxTree.IsScript()
? RefGlobalMemberScriptModifiers
: RefGlobalMemberModifiers,
cancellationToken
) ||
context.IsMemberDeclarationContext(
validModifiers: RefMemberModifiers,
validTypeDeclarations: SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations,
canBePartial: true,
cancellationToken: cancellationToken
));
}
private static bool IsMemberReturnTypeContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken) => context.SyntaxTree.IsGlobalMemberDeclarationContext(position, SyntaxKindSet.AllGlobalMemberModifiers, cancellationToken) || context.IsMemberDeclarationContext(validModifiers: s_validClassInterfaceRecordModifiers, validTypeDeclarations: SyntaxKindSet.ClassInterfaceRecordTypeDeclarations, canBePartial: true, cancellationToken) || context.IsMemberDeclarationContext(validModifiers: s_validStructModifiers, validTypeDeclarations: SyntaxKindSet.StructOnlyTypeDeclarations, canBePartial: false, cancellationToken);
protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
{
return(context.IsMemberDeclarationContext(s_validModifiers, s_validTypeDeclarations, canBePartial: true, cancellationToken));
}