private Maps Validate(MapReceiver receiver, Compilation compilation)
{
var maps = ImmutableDictionary.CreateBuilder <(ITypeSymbol, ITypeSymbol), (ImmutableArray <Diagnostic>, SyntaxNode, ImmutableArray <string>)>();
foreach (var target in receiver.Targets)
{
MappingInformation.ValidatePairs(target.origination, target.source, target.destination, maps);
}
return(maps.ToImmutable());
}
private static void ValidateMap(List <AttributeSyntax> mapCandidates, Maps.Builder maps, Compilation compilation)
{
var mapAttributeSymbol = compilation.GetTypeByMetadataName(typeof(MapAttribute).FullName);
foreach (var candidateAttributeNode in mapCandidates)
{
var attributeSymbol = compilation.GetSemanticModel(candidateAttributeNode.SyntaxTree)
.GetSymbolInfo(candidateAttributeNode).Symbol !.ContainingSymbol;
if (attributeSymbol.Equals(mapAttributeSymbol, SymbolEqualityComparer.Default))
{
var attributeData = compilation.Assembly.GetAttributes().Single(
_ => _.ApplicationSyntaxReference !.GetSyntax() == candidateAttributeNode);
var sourceType = (INamedTypeSymbol)attributeData.ConstructorArguments[0].Value !;
var destinationType = (INamedTypeSymbol)attributeData.ConstructorArguments[1].Value !;
MappingInformation.ValidatePairs(candidateAttributeNode, sourceType, destinationType, maps);
}
}
}