private string?GenerateImplementation(
bool isInput,
GeneratorExecutionContext context,
InterfaceDeclarationSyntax syntax,
INamedTypeSymbol symbol)
{
if (!syntax.Modifiers.Any(Microsoft.CodeAnalysis.CSharp.SyntaxKind.PartialKeyword))
{
// No partial keyword, error to the user
context.ReportDiagnostic(Diagnostic.Create(
Diagnostics.QueryGroupInterfaceMustBePartial,
syntax.GetLocation(),
syntax.Identifier.ValueText));
return(null);
}
if (!SymbolEqualityComparer.Default.Equals(symbol.ContainingSymbol, symbol.ContainingNamespace))
{
// Non-top-level declaration, error to the user
context.ReportDiagnostic(Diagnostic.Create(
Diagnostics.QueryGroupInterfaceMustBeTopLevel,
syntax.GetLocation(),
syntax.Identifier.ValueText));
return(null);
}
// It's a proper interface, generate source code
var namespaceName = symbol.ContainingNamespace.ToDisplayString();
var interfaceName = symbol.Name;
var accessibility = AccessibilityToString(symbol.DeclaredAccessibility);
var baseInterfacePart = isInput ? $": {TypeNames.IInputQueryGroup}" : string.Empty;
var contents = isInput
? GenerateInputQueryContents(context, symbol)
: GenerateQueryContents(context, symbol);
return($@"
namespace {namespaceName}
{{
{accessibility} partial interface {interfaceName} {baseInterfacePart}
{{
{contents}
}}
}}");
}
public override void VisitInterfaceDeclaration(InterfaceDeclarationSyntax node)
{
AddEntry(node.Identifier.Text, node.GetLocation());
base.VisitInterfaceDeclaration(node);
}
public static CreateMemoizeInterfaceContext CreateFromSyntax(InterfaceDeclarationSyntax interfaceWithAttribute, ITypeSymbol interfaceType, SemanticModel interfaceModel, AttributeData createMemoizedAttributeData)
{
return(new CreateMemoizeInterfaceContext(interfaceWithAttribute, interfaceType, interfaceModel, createMemoizedAttributeData, interfaceWithAttribute.GetLocation()));
}
public InterfaceError(InterfaceDeclarationSyntax interfaceDeclaration, string code) :
base(code)
{
this.InterfaceName = interfaceDeclaration.Identifier.Text;
this.SetLocation(interfaceDeclaration.GetLocation());
}
