public static string GetType(ParamDecl element)
{
string type = element.Value != null?CppElementBuilder.GetValue(element.Value) :
element.Data != null ? $"{element.Data.Name.Underscore()}_data" :
element.Key != null ? $"{element.Key.Name.Underscore()}_key" :
element.Enum != null?element.Enum.Name.Underscore() :
throw new ArgumentException("Can't deduct type");
return(element.Vector == YesNo.Y ? $"dot::list<{type}>" : type);
}
private static void BuildClassDeclaration(TypeDecl decl, CodeWriter writer)
{
var settings = GeneratorSettingsProvider.Get(decl.Module.ModuleName);
var type = decl.Name.Underscore();
bool isRecord = decl.Keys.Any();
bool isDerived = decl.Inherit != null;
// Self-forward
writer.AppendLine($"class {type}_data_impl; using {type}_data = dot::ptr<{type}_data_impl>;");
if (isRecord)
{
writer.AppendLine($"class {type}_key_impl; using {type}_key = dot::ptr<{type}_key_impl>;");
}
// Get unique keys and data from elements
var dataForwards = decl.Elements.Where(e => e.Data != null)
.Where(e => e.Data.Module.ModuleName == decl.Module.ModuleName)
.Select(e => $"{e.Data.Name.Underscore()}_data").ToList();
var keysForwards = decl.Elements.Where(e => e.Key != null)
.Where(e => e.Key.Module.ModuleName == decl.Module.ModuleName)
.Select(e => $"{e.Key.Name.Underscore()}_key").ToList();
var forwards = keysForwards.Union(dataForwards).Distinct();
// Appends forwards
foreach (var f in forwards)
{
writer.AppendLine($"class {f}_impl; using {f} = dot::ptr<{f}_impl>;");
}
writer.AppendNewLineWithoutIndent();
writer.AppendLine($"inline {type}_data make_{type}_data();");
writer.AppendNewLineWithoutIndent();
writer.AppendLines(CommentHelper.FormatComment(decl.Comment));
var baseType = isRecord ? $"record_impl<{type}_key_impl, {type}_data_impl>" :
isDerived ? $"{decl.Inherit.Name.Underscore()}_data_impl" :
"data_impl";
writer.AppendLine($"class {settings.DeclSpec} {type}_data_impl : public {baseType}");
writer.AppendLine("{");
writer.PushIndent();
writer.AppendLine($"typedef {type}_data_impl self;");
writer.AppendLine($"friend {type}_data make_{type}_data();");
writer.PopIndent();
writer.AppendNewLineWithoutIndent();
writer.AppendLine("public: // FIELDS");
writer.AppendNewLineWithoutIndent();
var elements = decl.Elements;
if (elements.Any())
{
writer.PushIndent();
CppElementBuilder.WriteElements(decl.Elements, writer);
writer.PopIndent();
}
if (decl.Declare != null)
{
writer.AppendLine("public: // METHODS");
writer.AppendNewLineWithoutIndent();
writer.PushIndent();
CppMethodBuilder.WriteElements(decl, writer);
writer.PopIndent();
}
writer.AppendLine("public:");
writer.PushIndent();
writer.AppendLine("virtual dot::type_t type();");
writer.AppendLine("static dot::type_t typeof();");
writer.PopIndent();
writer.AppendLine("};");
writer.AppendNewLineWithoutIndent();
writer.AppendLine("/// Create an empty instance.");
writer.AppendLine($"inline {type}_data make_{type}_data() {{ return new {type}_data_impl; }}");
}