private void ExecuteInternal(GeneratorExecutionContext context)
{
try
{
var codeGenerator = new Neo4JCodeGenerator();
foreach (GraphQLConfig config in context.GetConfigurations())
{
if (config.Extensions.Neo4J is { } settings&&
context.GetSchemaDocuments(config) is { Count: > 0 } schemaDocuments)
{
var codeGeneratorContext = new CodeGeneratorContext(
settings.Name,
settings.DatabaseName,
settings.Namespace ?? throw new Exception("Namespace is required"), // TODO: Review in PR!!
schemaDocuments);
CodeGenerationResult?result = codeGenerator.Generate(codeGeneratorContext);
foreach (SourceFile?sourceFile in result.SourceFiles)
{
context.AddSource(sourceFile.Name, sourceFile.Source);
}
}
}
}
catch (Exception ex)
{
context.ReportError(ex);
}
}
public static IReadOnlyList <DocumentNode> GetSchemaDocuments(
this GeneratorExecutionContext context,
GraphQLConfig config)
{
var list = new List <DocumentNode>();
var rootDirectory = GetDirectoryName(config.Location) + DirectorySeparatorChar;
var glob = Glob.Parse(config.Documents);
foreach (string file in context.AdditionalFiles
.Select(t => t.Path)
.Where(t => GetExtension(t).Equals(
GraphQLExtension,
StringComparison.OrdinalIgnoreCase))
.Where(t => t.StartsWith(rootDirectory) && glob.IsMatch(t)))
{
try
{
DocumentNode document = Utf8GraphQLParser.Parse(File.ReadAllBytes(file));
if (!document.Definitions.OfType <IExecutableDefinitionNode>().Any())
{
list.Add(document);
}
}
catch (SyntaxException ex)
{
context.ReportError(ex);
}
}
return(list);
}
public static IReadOnlyList <GraphQLConfig> GetConfigurations(
this GeneratorExecutionContext context)
{
var list = new List <GraphQLConfig>();
foreach (var configLocation in GetConfigurationFiles(context))
{
try
{
string json = File.ReadAllText(configLocation);
GraphQLConfig config = GraphQLConfig.FromJson(json);
config.Location = configLocation;
list.Add(config);
}
catch (Exception ex)
{
context.ReportError(
ErrorBuilder.New()
.SetMessage(ex.Message)
.SetException(ex)
.SetExtension(ErrorHelper.File, configLocation)
.AddLocation(new Location(1, 1))
.Build());
}
}
return(list);
}
public static void ReportInternalError(
this GeneratorExecutionContext context,
LocalizableString message,
DiagnosticSeverity severity = DiagnosticSeverity.Error,
Location?location = null
)
{
context.ReportError(
Constants.InternalErrorId,
message,
severity,
location
);
}
public void Execute(GeneratorExecutionContext context)
{
// Add the attribute declaration
context.AddSource("constructFromAttr", ConstructFromGenerator.constructFromAttrSource);
// Get the syntax receiver
if (context.SyntaxReceiver is not ConstructFromSyntaxReceiver syntaxReceiver)
{
context.ReportInternalError("Unexpected error: could not retrieve the syntax.");
return;
}
// Add the conversions
var messages = new List <string>(syntaxReceiver.Messages);
foreach (var candidate in syntaxReceiver.Candidates)
{
messages.Add(
$"Candidate type found: {candidate.TypeDeclaration.Identifier.ValueText} from {candidate.FromType}"
);
// Get the semantic model of the type declaration
var semanticModel =
context.Compilation.GetSemanticModel(candidate.TypeDeclaration.SyntaxTree);
var typeDeclarationSymbol = semanticModel.GetDeclaredSymbol(
candidate.TypeDeclaration,
context.CancellationToken
);
if (typeDeclarationSymbol is null)
{
context.ReportInternalError(
"Unexpected error: could not get type information for fromType.",
location: candidate.FromType.GetLocation()
);
continue;
}
// TODO: reject generic types - not yet implemented
if (typeDeclarationSymbol.IsGenericType)
{
context.ReportInternalError(
"Generic types are currently not supported.",
location: candidate.FromType.GetLocation()
);
continue;
}
// Get the target type's symbol
var fromTypeSymbolInfo = semanticModel.GetSymbolInfo(
candidate.FromType,
context.CancellationToken
);
if (fromTypeSymbolInfo.Symbol is not INamedTypeSymbol fromTypeSymbol)
{
context.ReportInternalError(
"Unexpected error: could not get type information for fromType.",
location: candidate.FromType.GetLocation()
);
continue;
}
// Reject unbound generic types
if (fromTypeSymbol.IsUnboundGenericType)
{
context.ReportError(
Constants.UnboundGenericErrorId,
"Unbound generic types are not supported.",
location: candidate.FromType.GetLocation()
);
continue;
}
// Type kind name
var typeKindName = typeDeclarationSymbol switch
{
{ IsRecord : true } => "record",