private void ImportModulesFromPackage(FromImportStatement node, PackageImport packageImport)
{
var names = node.Names;
var asNames = node.AsNames;
var importNames = names.Select(n => n.Name).ToArray();
if (importNames.Length == 1 && importNames[0] == "*")
{
// TODO: Need tracking of previous imports to determine possible imports for namespace package
MakeUnresolvedImport(packageImport.Name, node.Root);
return;
}
foreach (var module in packageImport.Modules)
{
var index = importNames.IndexOf(module.Name, StringExtensions.EqualsOrdinal);
if (index == -1)
{
MakeUnresolvedImport(module.FullName, node.Root);
continue;
}
if (!ProjectState.Modules.TryImport(module.FullName, out var moduleReference))
{
MakeUnresolvedImport(module.FullName, node.Root);
continue;
}
_unit.DeclaringModule.AddModuleReference(module.FullName, moduleReference);
moduleReference.Module.Imported(_unit);
var importedModule = moduleReference.Module;
var variableName = asNames[index]?.Name ?? importNames[index];
AssignImportedModuleOrMember(variableName, importedModule, true, names[index], asNames[index]);
}
}
public override void EnterPackageClause(GoParser.PackageClauseContext context)
{
// Go package clause is the first keyword encountered - cache details that
// will be written out after imports. C# import statements (i.e., usings)
// typically occur before namespace and class definitions
string[] paths = PackageImport.Split('/').Select(SanitizedIdentifier).ToArray();
string packageNamespace = $"{RootNamespace}.{string.Join(".", paths)}";
PackageUsing = $"{Package} = {packageNamespace}{ClassSuffix}";
PackageNamespace = packageNamespace.Substring(0, packageNamespace.LastIndexOf('.'));
// Track file name associated with package
AddFileToPackage(Package, TargetFileName, PackageNamespace);
// Define namespaces
List <string> packageNamespaces = new List <string> {
RootNamespace
};
if (paths.Length > 1)
{
packageNamespaces.AddRange(paths);
packageNamespaces.RemoveAt(packageNamespaces.Count - 1);
}
PackageNamespaces = packageNamespaces.ToArray();
string headerLevelComments = CheckForCommentsLeft(context);
m_packageLevelComments = CheckForCommentsRight(context);
if (!string.IsNullOrWhiteSpace(headerLevelComments))
{
if (m_targetFile.Length == 0)
{
headerLevelComments = headerLevelComments.TrimStart();
}
m_targetFile.Append(headerLevelComments);
if (!EndsWithLineFeed(headerLevelComments))
{
m_targetFile.AppendLine();
}
}
if (!Options.ExcludeHeaderComments)
{
m_targetFile.AppendLine($"// package {Package} -- go2cs converted at {DateTime.UtcNow:yyyy MMMM dd HH:mm:ss} UTC");
if (!PackageImport.Equals("main"))
{
m_targetFile.AppendLine($"// import \"{PackageImport}\" ==> using {PackageUsing}");
}
m_targetFile.AppendLine($"// Original source: {SourceFileName}");
}
// Add commonly required using statements
RequiredUsings.Add("static go.builtin");
}
