private static ArgumentListSyntax FindBestArgumentsMatch(IMethodSymbol methodSymbol, CancellationToken cancellationToken, MappingSourceFinder mappingSourceFinder, SemanticModel semanticModel)
{
var overloadParameterSets = methodSymbol.DeclaringSyntaxReferences.Select(ds =>
{
var overloadDeclaration = (MethodDeclarationSyntax)ds.GetSyntax(cancellationToken);
var overloadMethod = semanticModel.GetDeclaredSymbol(overloadDeclaration);
return(overloadMethod.Parameters);
});
return(MethodHelper.FindBestArgumentsMatch(mappingSourceFinder, overloadParameterSets));
}
private static ArgumentListSyntax FindMappingConstructorParameters(ITypeSymbol targetType, ITypeSymbol sourceType, MappingSourceFinder mappingSourceFinder, ExpressionSyntax globalSourceAccessor)
{
if (targetType is INamedTypeSymbol namedType)
{
var directlyMappingConstructor = namedType.Constructors.FirstOrDefault(c => c.Parameters.Length == 1 && c.Parameters[0].Type == sourceType);
if (directlyMappingConstructor != null)
{
return(SyntaxFactory.ArgumentList().AddArguments(SyntaxFactory.Argument(globalSourceAccessor)));
}
var constructorOverloadParameterSets = namedType.Constructors.Select(x => x.Parameters);
return(MethodHelper.FindBestArgumentsMatch(mappingSourceFinder, constructorOverloadParameterSets));
}
return(null);
}
