static int get_Define(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
FieldDescriptor obj = (FieldDescriptor)o;
google.protobuf.FieldDescriptorProto ret = obj.Define;
ToLua.PushObject(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index Define on a nil value" : e.Message));
}
}
// because of protobuf-net we're limited to parsing simple types at run-time as we can't parse the protobuf, but options shouldn't be too complex
private void BuildExtension(string key, FieldDescriptorProto[] fields)
{
TypeBuilder extension = moduleBuilder.DefineType(key + "Ext", TypeAttributes.Class);
Type pcType = typeof(ProtoContractAttribute);
ConstructorInfo pcCtor = pcType.GetConstructor(Type.EmptyTypes);
CustomAttributeBuilder pcBuilder = new CustomAttributeBuilder(pcCtor,Type.EmptyTypes);
extension.SetCustomAttribute(pcBuilder);
foreach (var field in fields)
{
DataFormat format;
bool buildEnumProxy;
Type fieldType = ImageFile.LookupBasicType(field.type, out format, out buildEnumProxy);
FieldBuilder fbuilder = extension.DefineField(field.name, fieldType, FieldAttributes.Public);
object defaultValue;
if (String.IsNullOrEmpty(field.default_value))
{
defaultValue = Activator.CreateInstance(fieldType);
}
else
{
try
{
defaultValue = Convert.ChangeType(field.default_value, fieldType);
}
catch (FormatException)
{
Console.WriteLine("Constructor for extension had bad format: {0}", key);
return;
}
}
if (buildEnumProxy)
{
Type epType = typeof(EnumProxyAttribute);
ConstructorInfo epCtor = epType.GetConstructor(new Type[] { typeof(string) });
CustomAttributeBuilder epBuilder = new CustomAttributeBuilder(epCtor, new object[] { field.type_name });
fbuilder.SetCustomAttribute(epBuilder);
}
Type dvType = typeof(DefaultValueAttribute);
ConstructorInfo dvCtor = dvType.GetConstructor(new Type[] { typeof(object) });
CustomAttributeBuilder dvBuilder = new CustomAttributeBuilder(dvCtor, new object[] { defaultValue });
fbuilder.SetCustomAttribute(dvBuilder);
Type pmType = typeof(ProtoMemberAttribute);
ConstructorInfo pmCtor = pmType.GetConstructor(new Type[] { typeof(int) });
CustomAttributeBuilder pmBuilder = new CustomAttributeBuilder(pmCtor, new object[] { field.number },
new PropertyInfo[] { pmType.GetProperty("Name"), pmType.GetProperty("DataFormat") },
new object[] { "(" + field.name + ")", format } );
fbuilder.SetCustomAttribute(pmBuilder);
}
Type extensionType = extension.CreateType();
if (!this.protobufExtensions.ContainsKey(key))
{
this.protobufExtensions[key] = new List<Type>();
}
this.protobufExtensions[key].Add(extensionType);
}
private string BuildDescriptorDeclaration(FieldDescriptorProto field)
{
PushDescriptorName(field);
string type = ResolveType(field);
Dictionary<string, string> options = new Dictionary<string, string>();
if (!String.IsNullOrEmpty(field.default_value))
{
string default_value = field.default_value;
if (field.type == FieldDescriptorProto.Type.TYPE_STRING)
default_value = String.Format("\"{0}\"", default_value);
options.Add("default", default_value);
}
else if (field.type == FieldDescriptorProto.Type.TYPE_ENUM && field.label != FieldDescriptorProto.Label.LABEL_REPEATED)
{
options.Add("default", ResolveOrDeferEnumDefaultValue(type));
}
Dictionary<string, string> fieldOptions = DumpOptions(field.options);
foreach (var pair in fieldOptions)
{
options[pair.Key] = pair.Value;
}
string parameters = String.Empty;
if (options.Count > 0)
{
parameters = " [" + String.Join(", ", options.Select(kvp => String.Format("{0} = {1}", kvp.Key, kvp.Value))) + "]";
}
PopDescriptorName();
return GetLabel(field.label) + " " + type + " " + field.name + " = " + field.number + parameters + ";";
}
private String ResolveType(FieldDescriptorProto field)
{
if (field.type == FieldDescriptorProto.Type.TYPE_MESSAGE)
{
return field.type_name;
}
else if (field.type == FieldDescriptorProto.Type.TYPE_ENUM)
{
return field.type_name;
}
return GetType(field.type);
}
public static Type LookupBasicType(FieldDescriptorProto.Type type, out DataFormat format, out bool buildEnumProxy)
{
buildEnumProxy = false;
format = DataFormat.Default;
switch (type)
{
default:
return null;
case FieldDescriptorProto.Type.TYPE_INT32:
return typeof(Int32);
case FieldDescriptorProto.Type.TYPE_INT64:
return typeof(Int64);
case FieldDescriptorProto.Type.TYPE_SINT32:
return typeof(Int32);
case FieldDescriptorProto.Type.TYPE_SINT64:
return typeof(Int64);
case FieldDescriptorProto.Type.TYPE_UINT32:
return typeof(UInt32);
case FieldDescriptorProto.Type.TYPE_UINT64:
return typeof(UInt64);
case FieldDescriptorProto.Type.TYPE_STRING:
return typeof(String);
case FieldDescriptorProto.Type.TYPE_BOOL:
return typeof(Boolean);
case FieldDescriptorProto.Type.TYPE_BYTES:
return typeof(byte[]);
case FieldDescriptorProto.Type.TYPE_DOUBLE:
return typeof(Double);
case FieldDescriptorProto.Type.TYPE_FLOAT:
return typeof(float);
case FieldDescriptorProto.Type.TYPE_MESSAGE:
return typeof(string);
case FieldDescriptorProto.Type.TYPE_FIXED32:
{
format = DataFormat.FixedSize;
return typeof(Int32);
}
case FieldDescriptorProto.Type.TYPE_FIXED64:
{
format = DataFormat.FixedSize;
return typeof(Int64);
}
case FieldDescriptorProto.Type.TYPE_SFIXED32:
{
format = DataFormat.FixedSize;
return typeof(Int32);
}
case FieldDescriptorProto.Type.TYPE_SFIXED64:
{
format = DataFormat.FixedSize;
return typeof(Int64);
}
case FieldDescriptorProto.Type.TYPE_ENUM:
{
buildEnumProxy = true;
return typeof(Int32);
}
}
}
private static String GetType(FieldDescriptorProto.Type type)
{
switch (type)
{
default:
return type.ToString();
case FieldDescriptorProto.Type.TYPE_INT32:
return "int32";
case FieldDescriptorProto.Type.TYPE_INT64:
return "int64";
case FieldDescriptorProto.Type.TYPE_SINT32:
return "sint32";
case FieldDescriptorProto.Type.TYPE_SINT64:
return "sint64";
case FieldDescriptorProto.Type.TYPE_UINT32:
return "uint32";
case FieldDescriptorProto.Type.TYPE_UINT64:
return "uint64";
case FieldDescriptorProto.Type.TYPE_STRING:
return "string";
case FieldDescriptorProto.Type.TYPE_BOOL:
return "bool";
case FieldDescriptorProto.Type.TYPE_BYTES:
return "bytes";
case FieldDescriptorProto.Type.TYPE_DOUBLE:
return "double";
case FieldDescriptorProto.Type.TYPE_ENUM:
return "enum";
case FieldDescriptorProto.Type.TYPE_FLOAT:
return "float";
case FieldDescriptorProto.Type.TYPE_GROUP:
return "GROUP";
case FieldDescriptorProto.Type.TYPE_MESSAGE:
return "message";
case FieldDescriptorProto.Type.TYPE_FIXED32:
return "fixed32";
case FieldDescriptorProto.Type.TYPE_FIXED64:
return "fixed64";
case FieldDescriptorProto.Type.TYPE_SFIXED32:
return "sfixed32";
case FieldDescriptorProto.Type.TYPE_SFIXED64:
return "sfixed64";
}
}
private static String GetLabel(FieldDescriptorProto.Label label)
{
switch (label)
{
default:
case FieldDescriptorProto.Label.LABEL_OPTIONAL:
return "optional";
case FieldDescriptorProto.Label.LABEL_REQUIRED:
return "required";
case FieldDescriptorProto.Label.LABEL_REPEATED:
return "repeated";
}
}
private void PushDescriptorName(FieldDescriptorProto field)
{
messageNameStack.Push(field.name);
}
private string BuildDescriptorDeclaration(FieldDescriptorProto field, bool emitFieldLabel = true)
{
PushDescriptorName(field);
string type = ResolveType(field);
Dictionary<string, string> options = new Dictionary<string, string>();
if (!String.IsNullOrEmpty(field.default_value))
{
string default_value = field.default_value;
if (field.type == FieldDescriptorProto.Type.TYPE_STRING)
default_value = String.Format("\"{0}\"", default_value);
options.Add("default", default_value);
}
else if (field.type == FieldDescriptorProto.Type.TYPE_ENUM && field.label != FieldDescriptorProto.Label.LABEL_REPEATED)
{
options.Add("default", ResolveOrDeferEnumDefaultValue(type));
}
Dictionary<string, string> fieldOptions = DumpOptions(field.options);
foreach (var pair in fieldOptions)
{
options[pair.Key] = pair.Value;
}
string parameters = String.Empty;
if (options.Count > 0)
{
parameters = " [" + String.Join(", ", options.Select(kvp => String.Format("{0} = {1}", kvp.Key, kvp.Value))) + "]";
}
PopDescriptorName();
var descriptorDeclarationBuilder = new StringBuilder();
if (emitFieldLabel)
{
descriptorDeclarationBuilder.Append(GetLabel(field.label));
descriptorDeclarationBuilder.Append(" ");
}
descriptorDeclarationBuilder.AppendFormat("{0} {1} = {2}{3};", type, field.name, field.number, parameters);
return descriptorDeclarationBuilder.ToString();
}
static void GenFieldParse(google.protobuf.FieldDescriptorProto field, StringBuilder builder)
{
}
