private static void AnalyzeIfGenerationRequired(SyntaxNodeAnalysisContext context, TypeDeclarationSyntax typeDeclaration, INamedTypeSymbol typeSymbol)
{
var recordPartial = RecordPartialGenerator.GetGeneratedPartial(typeDeclaration, typeSymbol);
if (recordPartial == null)
{
// no generated partial found
var missingPartialDiagnostic =
RecordPartialMissingDiagnostic.Create(
typeDeclaration.Identifier.GetLocation(),
typeDeclaration.Identifier.ValueText);
context.ReportDiagnostic(missingPartialDiagnostic);
return;
}
// check partial is equivalent to would-be generated partial
var wouldBePartialRoot = RecordPartialGenerator.GenerateRecordPartialRoot(typeDeclaration, context.CancellationToken);
var currentPartialRoot = recordPartial.SyntaxTree.GetRoot(context.CancellationToken);
var equivalenceResult = wouldBePartialRoot.IsTokenwiseEquivalentTo(currentPartialRoot);
switch (equivalenceResult)
{
case RecordPartialComparer.Result.Equivalent:
return;
case RecordPartialComparer.Result.EquivalentExceptGeneratedCodeAttributeVersion:
{
string version = recordPartial.ExtractGeneratedCodeAttributeVersionArgument();
// report info "record partial might need update"
var differentToolVersionDiagnostic =
GeneratorVersionDifferentDiagnostic.Create(
typeDeclaration.Identifier.GetLocation(),
typeDeclaration.Identifier.ValueText,
version,
Properties.VersionString);
context.ReportDiagnostic(differentToolVersionDiagnostic);
}
return;
case RecordPartialComparer.Result.NotEquivalent:
{
// report error "record partial requires update"
var invalidPartialDiagnostic =
RecordPartialInvalidDiagnostic.Create(
typeDeclaration.Identifier.GetLocation(),
typeDeclaration.Identifier.ValueText);
context.ReportDiagnostic(invalidPartialDiagnostic);
}
return;
default:
break;
}
}
private async Task <Solution> FixMissingRecordPartialAsync(Document document, TypeDeclarationSyntax declaration, CancellationToken c)
{
(document, declaration) = await AddPartialModifierIfRequired(document, declaration, c).ConfigureAwait(false);
var semanticModel = await document.GetSemanticModelAsync(c).ConfigureAwait(false);
var typeSymbol = semanticModel.GetDeclaredSymbol(declaration);
var generatedDocument = RecordPartialGenerator.GenerateRecordPartialDocument(document, declaration, typeSymbol, c);
return(generatedDocument.Project.Solution);
}